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7cf5c29615
hdf5/src/H5MF.c
David Young a0445d806c
Simplify function enter macros for performance benefits (#1024) 
* Take a stab at using constructors to initialize instead of
function-entry macros.  This is a work in progress.  It's good enough to
run `many_dsets`.

* Committing clang-format changes

* Add the `many_dsets` benchmark and some scripts I used on jelly for
setting up the build/test environment and for recording/flame-graphing
profiles.

* Committing clang-format changes

* Change my Makefile and environment script to work both on jelly
and on mayll (and probably on Summit).

* Disable clang-format "fix."

* Replace the `if (!H5_TERM_GLOBAL)` test in each FUNC_ENTER_ macro with
`if (true)`.

* Fix bad grammar in a comment.

* Instead of labeling the H5*__init_package routines constructors, fold
each into an initialization routine, H5*_init(), and call each of
the H5*_init() routines.  Call most of the H5*_init() routines from
H5_init_library() in an explicit order that I found out earlier by
instrumenting each __init_package routine and running the library
tests.  Roll H5FD*__init_package routines into H5FD*_init() routines.
This change ends just-in-time initialization of package dependencies by
package initializers.

Don't track in per-package variables (H5_PKG_INIT_VAR) whether each
package has been initialized.  Instead, track in a single library
variable whether the whole library is initialized or not.

Drive the initialization of packages by H5_init_library() with a table
of initializer routines.  Also drive the termination of packages by
H5_term_library() with a table.

Perform initialization as needed from FUNC_ENTER_API_INIT(err).  This
basically restores the old behavior of that macro.

Delete a bunch of #definitions in H5private.h that have fallen out of
use with these changes.

* Committing clang-format changes

* Undo the bad auto-formatting that appears to have occurred in spite
of my disabling it.  Bracket some code in /* clang-format off */ /*
clang-format on */ to prevent a recurrence.

* Remove a diagnostic abort().

* Fix a logic error: print a comma between every package terminator run,
and don't print an initial comma.

* Complete the changes I started in H5_term_library() that undo the bad
auto-formatting.

Stop tracking whether package "tops" were initialized in per-package
variables H5*_top_package_initialize_s.  H5_term_library() takes care of
that for them.

Remove H5R_top_term_package() and H5R_term_package(), they don't do
anything.

* Committing clang-format changes

* NFCI.  Simplify macro text: replace `if (true) {` with `{`.

* Fix formatting and suppress clang-format on a longer range.

* Quiet some unused label, unused variable complaints that cropped up
after I simplified the FUNC_ENTER_ macros for the sake of performance.

* Committing clang-format changes

* Delete some programs and scripts that don't belong in the pull request.

* Use the right function-entry macro.

* Use a sensible format and disable auto-formatting.

* Stop calling do-nothing initializer H5FS_init().  Delete it.

* Document what changes to make if the default VFD changes.

* While I am here, change an `await_prior` flag on the terminator table
to `true` to match the previous, non-table-driven code that was here.
Found the oversight making the following changes:

NFCI: insert an empty line and copy over slightly-edited comments from
the previous version, where those comments still correctly explained how
library termination operated.

* NFCI: lower a staircase.

* Replace every occurrence of FUNC_ENTER_NOAPI_INIT(...) with H5_PUSH_FUNC
since that is all that that macro does any more.

Quiet a bunch of new warnings by changing FUNC_ENTER_NOAPI(...) to
FUNC_ENTER_NOAPI_NOERR and removing disused `done:` labels.

* NFCI: add curly braces around a multiline statement.

* Quiet a signed/unsigned comparison warning.

* Add some documentation about library initialization and shutdown.

* Make sure that the library is initialized, or else that initialization
is already underway, before performing any VFD's initialization.

* Committing clang-format changes

* Committing clang-format changes

* Reduce differences from `develop` branch.

* Always initialize `tot_init`.

* Committing clang-format changes

* Fix typo: H5SL_init initializes skip lists, not VOL.

* Remove H5_TERM_GLOBAL test in H5T_init.  H5T_init was unusual in that
it tested H5_TERM_GLOBAL and exited early if it was set.  No other
module initializers did that, and I cannot find any reason that should
be necessary.  Tests still pass when I remove it, so away it goes.

* Use HD prefix.

* Add function header comments.

* Drop the intermediate variable, it's only used once.

* Extract subroutine `H5FDperform_init(hid_t (*init)(void))` that
initializes the library, if necessary, before calling its VFD-initializer
argument.  Use H5FDperform_init in the definition of the symbols
H5FD_<vfd> (e.g., H5FD_SEC2), which may be evaluated before the library
is initialized, like so:

```
```

I implement H5FDperform_init in its own source file, H5FDperform.c,
and exclude that file from trace processing because the `bin/trace`
cannot deal with the function-pointer type.

* Straggler from last: add new source file src/H5FDperform.c.

* Committing clang-format changes

* Add a missing file to the MANIFEST.

* Switch to FUNC_ENTER_API_NOINIT in H5FDperform_init() and hbool_t in
H5_term_library().

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
2021-11-08 15:08:07 -06:00

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5MF.c
* Jul 11 1997
* Robb Matzke
*
* Purpose: File memory management functions.
*
*-------------------------------------------------------------------------
*/
/****************/
/* Module Setup */
/****************/
#define H5F_FRIEND /*suppress error about including H5Fpkg */
#define H5FS_FRIEND /*suppress error about including H5Fpkg */
#include "H5MFmodule.h" /* This source code file is part of the H5MF module */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5Fpkg.h" /* File access */
#include "H5FSpkg.h" /* File free space */
#include "H5Iprivate.h" /* IDs */
#include "H5MFpkg.h" /* File memory management */
#include "H5VMprivate.h" /* Vectors and arrays */
/****************/
/* Local Macros */
/****************/
#define H5MF_FSPACE_SHRINK 80 /* Percent of "normal" size to shrink serialized free space size */
#define H5MF_FSPACE_EXPAND 120 /* Percent of "normal" size to expand serialized free space size */
#define H5MF_CHECK_FSM(FSM, CF) \
do { \
HDassert(*CF == FALSE); \
if (!H5F_addr_defined(FSM->addr) || !H5F_addr_defined(FSM->sect_addr)) \
*CF = TRUE; \
} while (0)
/* For non-paged aggregation: map allocation request type to tracked free-space type */
/* F_SH -- pointer to H5F_shared_t; T -- H5FD_mem_t */
#define H5MF_ALLOC_TO_FS_AGGR_TYPE(F_SH, T) \
((H5FD_MEM_DEFAULT == (F_SH)->fs_type_map[T]) ? (T) : (F_SH)->fs_type_map[T])
/******************/
/* Local Typedefs */
/******************/
/* Enum for kind of free space section+aggregator merging allowed for a file */
typedef enum {
H5MF_AGGR_MERGE_SEPARATE, /* Everything in separate free list */
H5MF_AGGR_MERGE_DICHOTOMY, /* Metadata in one free list and raw data in another */
H5MF_AGGR_MERGE_TOGETHER /* Metadata & raw data in one free list */
} H5MF_aggr_merge_t;
/* User data for section info iterator callback for iterating over free space sections */
typedef struct {
H5F_sect_info_t *sects; /* section info to be retrieved */
size_t sect_count; /* # of sections requested */
size_t sect_idx; /* the current count of sections */
} H5MF_sect_iter_ud_t;
/********************/
/* Package Typedefs */
/********************/
/********************/
/* Local Prototypes */
/********************/
/* Allocator routines */
static haddr_t H5MF__alloc_pagefs(H5F_t *f, H5FD_mem_t alloc_type, hsize_t size);
/* "File closing" routines */
static herr_t H5MF__close_aggrfs(H5F_t *f);
static herr_t H5MF__close_pagefs(H5F_t *f);
static herr_t H5MF__close_shrink_eoa(H5F_t *f);
/* General routines */
static herr_t H5MF__get_free_sects(H5F_t *f, H5FS_t *fspace, H5MF_sect_iter_ud_t *sect_udata, size_t *nums);
static hbool_t H5MF__fsm_type_is_self_referential(H5F_shared_t *f_sh, H5F_mem_page_t fsm_type);
static hbool_t H5MF__fsm_is_self_referential(H5F_shared_t *f_sh, H5FS_t *fspace);
static herr_t H5MF__continue_alloc_fsm(H5F_shared_t *f_sh, H5FS_t *sm_hdr_fspace, H5FS_t *sm_sinfo_fspace,
H5FS_t *lg_hdr_fspace, H5FS_t *lg_sinfo_fspace,
hbool_t *continue_alloc_fsm);
/* Free-space type manager routines */
static herr_t H5MF__create_fstype(H5F_t *f, H5F_mem_page_t type);
static herr_t H5MF__close_fstype(H5F_t *f, H5F_mem_page_t type);
static herr_t H5MF__delete_fstype(H5F_t *f, H5F_mem_page_t type);
static herr_t H5MF__close_delete_fstype(H5F_t *f, H5F_mem_page_t type);
/* Callbacks */
static herr_t H5MF__sects_cb(H5FS_section_info_t *_sect, void *_udata);
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/*-------------------------------------------------------------------------
* Function: H5MF_init_merge_flags
*
* Purpose: Initialize the free space section+aggregator merge flags
* for the file.
*
* Return: SUCCEED/FAIL
*
* Programmer: Quincey Koziol
* Friday, February 1, 2008
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF_init_merge_flags(H5F_shared_t *f_sh)
{
H5MF_aggr_merge_t mapping_type; /* Type of free list mapping */
H5FD_mem_t type; /* Memory type for iteration */
hbool_t all_same; /* Whether all the types map to the same value */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
/* check args */
HDassert(f_sh);
HDassert(f_sh->lf);
/* Iterate over all the free space types to determine if sections of that type
* can merge with the metadata or small 'raw' data aggregator
*/
all_same = TRUE;
for (type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; type++)
/* Check for any different type mappings */
if (f_sh->fs_type_map[type] != f_sh->fs_type_map[H5FD_MEM_DEFAULT]) {
all_same = FALSE;
break;
} /* end if */
/* Check for all allocation types mapping to the same free list type */
if (all_same) {
if (f_sh->fs_type_map[H5FD_MEM_DEFAULT] == H5FD_MEM_DEFAULT)
mapping_type = H5MF_AGGR_MERGE_SEPARATE;
else
mapping_type = H5MF_AGGR_MERGE_TOGETHER;
} /* end if */
else {
/* Check for raw data mapping into same list as metadata */
if (f_sh->fs_type_map[H5FD_MEM_DRAW] == f_sh->fs_type_map[H5FD_MEM_SUPER])
mapping_type = H5MF_AGGR_MERGE_SEPARATE;
else {
hbool_t all_metadata_same; /* Whether all metadata go in same free list */
/* One or more allocation type don't map to the same free list type */
/* Check if all the metadata allocation types map to the same type */
all_metadata_same = TRUE;
for (type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; type++)
/* Skip checking raw data free list mapping */
/* (global heap is treated as raw data) */
if (type != H5FD_MEM_DRAW && type != H5FD_MEM_GHEAP) {
/* Check for any different type mappings */
if (f_sh->fs_type_map[type] != f_sh->fs_type_map[H5FD_MEM_SUPER]) {
all_metadata_same = FALSE;
break;
} /* end if */
} /* end if */
/* Check for all metadata on same free list */
if (all_metadata_same)
mapping_type = H5MF_AGGR_MERGE_DICHOTOMY;
else
mapping_type = H5MF_AGGR_MERGE_SEPARATE;
} /* end else */
} /* end else */
/* Based on mapping type, initialize merging flags for each free list type */
switch (mapping_type) {
case H5MF_AGGR_MERGE_SEPARATE:
/* Don't merge any metadata together */
HDmemset(f_sh->fs_aggr_merge, 0, sizeof(f_sh->fs_aggr_merge));
/* Check if merging raw data should be allowed */
/* (treat global heaps as raw data) */
if (H5FD_MEM_DRAW == f_sh->fs_type_map[H5FD_MEM_DRAW] ||
H5FD_MEM_DEFAULT == f_sh->fs_type_map[H5FD_MEM_DRAW]) {
f_sh->fs_aggr_merge[H5FD_MEM_DRAW] = H5F_FS_MERGE_RAWDATA;
f_sh->fs_aggr_merge[H5FD_MEM_GHEAP] = H5F_FS_MERGE_RAWDATA;
} /* end if */
break;
case H5MF_AGGR_MERGE_DICHOTOMY:
/* Merge all metadata together (but not raw data) */
HDmemset(f_sh->fs_aggr_merge, H5F_FS_MERGE_METADATA, sizeof(f_sh->fs_aggr_merge));
/* Allow merging raw data allocations together */
/* (treat global heaps as raw data) */
f_sh->fs_aggr_merge[H5FD_MEM_DRAW] = H5F_FS_MERGE_RAWDATA;
f_sh->fs_aggr_merge[H5FD_MEM_GHEAP] = H5F_FS_MERGE_RAWDATA;
break;
case H5MF_AGGR_MERGE_TOGETHER:
/* Merge all allocation types together */
HDmemset(f_sh->fs_aggr_merge, (H5F_FS_MERGE_METADATA | H5F_FS_MERGE_RAWDATA),
sizeof(f_sh->fs_aggr_merge));
break;
default:
HGOTO_ERROR(H5E_RESOURCE, H5E_BADVALUE, FAIL, "invalid mapping type")
} /* end switch */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF_init_merge_flags() */
/*-------------------------------------------------------------------------
* Function: H5MF__alloc_to_fs_type
*
* Purpose: Map "alloc_type" to the free-space manager type
*
* Return: Success: non-negative
* Failure: negative
*
* Programmer: Vailin Choi; Nov 2016
*
*-------------------------------------------------------------------------
*/
void
H5MF__alloc_to_fs_type(H5F_shared_t *f_sh, H5FD_mem_t alloc_type, hsize_t size, H5F_mem_page_t *fs_type)
{
FUNC_ENTER_PACKAGE_NOERR
/* Check arguments */
HDassert(f_sh);
HDassert(fs_type);
if (H5F_SHARED_PAGED_AGGR(f_sh)) { /* paged aggregation */
if (size >= f_sh->fs_page_size) {
if (H5F_SHARED_HAS_FEATURE(f_sh, H5FD_FEAT_PAGED_AGGR)) { /* multi or split driver */
/* For non-contiguous address space, map to large size free-space manager for each alloc_type
*/
if (H5FD_MEM_DEFAULT == f_sh->fs_type_map[alloc_type])
*fs_type = (H5F_mem_page_t)(alloc_type + (H5FD_MEM_NTYPES - 1));
else
*fs_type = (H5F_mem_page_t)(f_sh->fs_type_map[alloc_type] + (H5FD_MEM_NTYPES - 1));
} /* end if */
else
/* For contiguous address space, map to generic large size free-space manager */
*fs_type = H5F_MEM_PAGE_GENERIC; /* H5F_MEM_PAGE_SUPER */
} /* end if */
else
*fs_type = (H5F_mem_page_t)H5MF_ALLOC_TO_FS_AGGR_TYPE(f_sh, alloc_type);
} /* end if */
else /* non-paged aggregation */
*fs_type = (H5F_mem_page_t)H5MF_ALLOC_TO_FS_AGGR_TYPE(f_sh, alloc_type);
FUNC_LEAVE_NOAPI_VOID
} /* end H5MF__alloc_to_fs_type() */
/*-------------------------------------------------------------------------
* Function: H5MF__open_fstype
*
* Purpose: Open an existing free space manager of TYPE for file by
* creating a free-space structure.
* Note that TYPE can be H5F_mem_page_t or H5FD_mem_t enum types.
*
* Return: Success: non-negative
* Failure: negative
*
* Programmer: Quincey Koziol
* Jan 8 2008
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF__open_fstype(H5F_t *f, H5F_mem_page_t type)
{
const H5FS_section_class_t *classes[] = {/* Free space section classes implemented for file */
H5MF_FSPACE_SECT_CLS_SIMPLE, H5MF_FSPACE_SECT_CLS_SMALL,
H5MF_FSPACE_SECT_CLS_LARGE};
hsize_t alignment; /* Alignment to use */
hsize_t threshold; /* Threshold to use */
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t fsm_ring; /* Ring of FSM */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_PACKAGE_TAG(H5AC__FREESPACE_TAG)
/*
* Check arguments.
*/
HDassert(f);
if (H5F_PAGED_AGGR(f))
HDassert(type < H5F_MEM_PAGE_NTYPES);
else {
HDassert((H5FD_mem_t)type < H5FD_MEM_NTYPES);
HDassert((H5FD_mem_t)type != H5FD_MEM_NOLIST);
} /* end else */
HDassert(f->shared);
HDassert(H5F_addr_defined(f->shared->fs_addr[type]));
HDassert(f->shared->fs_state[type] == H5F_FS_STATE_CLOSED);
/* Set up the alignment and threshold to use depending on the manager type */
if (H5F_PAGED_AGGR(f)) {
alignment = (type == H5F_MEM_PAGE_GENERIC) ? f->shared->fs_page_size : (hsize_t)H5F_ALIGN_DEF;
threshold = H5F_ALIGN_THRHD_DEF;
} /* end if */
else {
alignment = f->shared->alignment;
threshold = f->shared->threshold;
} /* end else */
/* Set the ring type in the API context */
if (H5MF__fsm_type_is_self_referential(f->shared, type))
fsm_ring = H5AC_RING_MDFSM;
else
fsm_ring = H5AC_RING_RDFSM;
H5AC_set_ring(fsm_ring, &orig_ring);
/* Open an existing free space structure for the file */
if (NULL == (f->shared->fs_man[type] = H5FS_open(f, f->shared->fs_addr[type], NELMTS(classes), classes, f,
alignment, threshold)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize free space info")
/* Set the state for the free space manager to "open", if it is now */
if (f->shared->fs_man[type])
f->shared->fs_state[type] = H5F_FS_STATE_OPEN;
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* end H5MF__open_fstype() */
/*-------------------------------------------------------------------------
* Function: H5MF__create_fstype
*
* Purpose: Create free space manager of TYPE for the file by creating
* a free-space structure
* Note that TYPE can be H5F_mem_page_t or H5FD_mem_t enum types.
*
* Return: Success: non-negative
* Failure: negative
*
* Programmer: Quincey Koziol
* Jan 8 2008
*
*-------------------------------------------------------------------------
*/
static herr_t
H5MF__create_fstype(H5F_t *f, H5F_mem_page_t type)
{
const H5FS_section_class_t *classes[] = {/* Free space section classes implemented for file */
H5MF_FSPACE_SECT_CLS_SIMPLE, H5MF_FSPACE_SECT_CLS_SMALL,
H5MF_FSPACE_SECT_CLS_LARGE};
H5FS_create_t fs_create; /* Free space creation parameters */
hsize_t alignment; /* Alignment to use */
hsize_t threshold; /* Threshold to use */
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t fsm_ring; /* Ring of FSM */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/*
* Check arguments.
*/
HDassert(f);
if (H5F_PAGED_AGGR(f))
HDassert(type < H5F_MEM_PAGE_NTYPES);
else {
HDassert((H5FD_mem_t)type < H5FD_MEM_NTYPES);
HDassert((H5FD_mem_t)type != H5FD_MEM_NOLIST);
} /* end else */
HDassert(f->shared);
HDassert(!H5F_addr_defined(f->shared->fs_addr[type]));
HDassert(f->shared->fs_state[type] == H5F_FS_STATE_CLOSED);
/* Set the free space creation parameters */
fs_create.client = H5FS_CLIENT_FILE_ID;
fs_create.shrink_percent = H5MF_FSPACE_SHRINK;
fs_create.expand_percent = H5MF_FSPACE_EXPAND;
fs_create.max_sect_addr = 1 + H5VM_log2_gen((uint64_t)f->shared->maxaddr);
fs_create.max_sect_size = f->shared->maxaddr;
/* Set up alignment and threshold to use depending on TYPE */
if (H5F_PAGED_AGGR(f)) {
alignment = (type == H5F_MEM_PAGE_GENERIC) ? f->shared->fs_page_size : (hsize_t)H5F_ALIGN_DEF;
threshold = H5F_ALIGN_THRHD_DEF;
} /* end if */
else {
alignment = f->shared->alignment;
threshold = f->shared->threshold;
} /* end else */
/* Set the ring type in the API context */
if (H5MF__fsm_type_is_self_referential(f->shared, type))
fsm_ring = H5AC_RING_MDFSM;
else
fsm_ring = H5AC_RING_RDFSM;
H5AC_set_ring(fsm_ring, &orig_ring);
if (NULL == (f->shared->fs_man[type] =
H5FS_create(f, NULL, &fs_create, NELMTS(classes), classes, f, alignment, threshold)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize free space info")
/* Set the state for the free space manager to "open", if it is now */
if (f->shared->fs_man[type])
f->shared->fs_state[type] = H5F_FS_STATE_OPEN;
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF__create_fstype() */
/*-------------------------------------------------------------------------
* Function: H5MF__start_fstype
*
* Purpose: Open or create a free space manager of a given TYPE.
* Note that TYPE can be H5F_mem_page_t or H5FD_mem_t enum types.
*
* Return: Success: non-negative
* Failure: negative
*
* Programmer: Quincey Koziol
* Jan 8 2008
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF__start_fstype(H5F_t *f, H5F_mem_page_t type)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_PACKAGE
/*
* Check arguments.
*/
HDassert(f);
HDassert(f->shared);
if (H5F_PAGED_AGGR(f))
HDassert(type < H5F_MEM_PAGE_NTYPES);
else {
HDassert((H5FD_mem_t)type < H5FD_MEM_NTYPES);
HDassert((H5FD_mem_t)type != H5FD_MEM_NOLIST);
} /* end else */
/* Check if the free space manager exists already */
if (H5F_addr_defined(f->shared->fs_addr[type])) {
/* Open existing free space manager */
if (H5MF__open_fstype(f, type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTOPENOBJ, FAIL, "can't initialize file free space")
} /* end if */
else {
/* Create new free space manager */
if (H5MF__create_fstype(f, type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTCREATE, FAIL, "can't initialize file free space")
} /* end else */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF__start_fstype() */
/*-------------------------------------------------------------------------
* Function: H5MF__delete_fstype
*
* Purpose: Delete the free-space manager as specified by TYPE.
* Note that TYPE can be H5F_mem_page_t or H5FD_mem_t enum types.
*
* Return: Success: non-negative
* Failure: negative
*
* Programmer: Vailin Choi; April 2013
*
*-------------------------------------------------------------------------
*/
static herr_t
H5MF__delete_fstype(H5F_t *f, H5F_mem_page_t type)
{
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t fsm_ring = H5AC_RING_INV; /* Ring of FSM */
haddr_t tmp_fs_addr; /* Temporary holder for free space manager address */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* check args */
HDassert(f);
if (H5F_PAGED_AGGR(f))
HDassert(type < H5F_MEM_PAGE_NTYPES);
else
HDassert((H5FD_mem_t)type < H5FD_MEM_NTYPES);
HDassert(H5F_addr_defined(f->shared->fs_addr[type]));
/* Put address into temporary variable and reset it */
/* (Avoids loopback in file space freeing routine) */
tmp_fs_addr = f->shared->fs_addr[type];
f->shared->fs_addr[type] = HADDR_UNDEF;
/* Shift to "deleting" state, to make certain we don't track any
* file space freed as a result of deleting the free space manager.
*/
f->shared->fs_state[type] = H5F_FS_STATE_DELETING;
/* Set the ring type in the API context */
if (H5MF__fsm_type_is_self_referential(f->shared, type))
fsm_ring = H5AC_RING_MDFSM;
else
fsm_ring = H5AC_RING_RDFSM;
H5AC_set_ring(fsm_ring, &orig_ring);
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: Before deleting free space manager\n", __func__);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* Delete free space manager for this type */
if (H5FS_delete(f, tmp_fs_addr) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, FAIL, "can't delete free space manager")
/* Shift [back] to closed state */
HDassert(f->shared->fs_state[type] == H5F_FS_STATE_DELETING);
f->shared->fs_state[type] = H5F_FS_STATE_CLOSED;
/* Sanity check that the free space manager for this type wasn't started up again */
HDassert(!H5F_addr_defined(f->shared->fs_addr[type]));
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF__delete_fstype() */
/*-------------------------------------------------------------------------
* Function: H5MF__close_fstype
*
* Purpose: Close the free space manager of TYPE for file
* Note that TYPE can be H5F_mem_page_t or H5FD_mem_t enum types.
*
* Return: Success: non-negative
* Failure: negative
*
* Programmer: Vailin Choi; July 1st, 2009
*
*-------------------------------------------------------------------------
*/
static herr_t
H5MF__close_fstype(H5F_t *f, H5F_mem_page_t type)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/*
* Check arguments.
*/
HDassert(f);
if (H5F_PAGED_AGGR(f))
HDassert(type < H5F_MEM_PAGE_NTYPES);
else
HDassert((H5FD_mem_t)type < H5FD_MEM_NTYPES);
HDassert(f->shared);
HDassert(f->shared->fs_man[type]);
HDassert(f->shared->fs_state[type] != H5F_FS_STATE_CLOSED);
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: Before closing free space manager\n", __func__);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* Close an existing free space structure for the file */
if (H5FS_close(f, f->shared->fs_man[type]) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't release free space info")
f->shared->fs_man[type] = NULL;
f->shared->fs_state[type] = H5F_FS_STATE_CLOSED;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF__close_fstype() */
/*-------------------------------------------------------------------------
* Function: H5MF__add_sect
*
* Purpose: To add a section to the specified free-space manager.
*
* Return: Success: non-negative
* Failure: negative
*
* Programmer: Vailin Choi; April 2013
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF__add_sect(H5F_t *f, H5FD_mem_t alloc_type, H5FS_t *fspace, H5MF_free_section_t *node)
{
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t fsm_ring = H5AC_RING_INV; /* Ring of FSM */
H5MF_sect_ud_t udata; /* User data for callback */
H5F_mem_page_t fs_type; /* Free space type (mapped from allocation type) */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_PACKAGE
HDassert(f);
HDassert(fspace);
HDassert(node);
H5MF__alloc_to_fs_type(f->shared, alloc_type, node->sect_info.size, &fs_type);
/* Construct user data for callbacks */
udata.f = f;
udata.alloc_type = alloc_type;
udata.allow_sect_absorb = TRUE;
udata.allow_eoa_shrink_only = FALSE;
/* Set the ring type in the API context */
if (H5MF__fsm_is_self_referential(f->shared, fspace))
fsm_ring = H5AC_RING_MDFSM;
else
fsm_ring = H5AC_RING_RDFSM;
H5AC_set_ring(fsm_ring, &orig_ring);
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: adding node, node->sect_info.addr = %a, node->sect_info.size = %Hu\n", __func__,
node->sect_info.addr, node->sect_info.size);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* Add the section */
if (H5FS_sect_add(f, fspace, (H5FS_section_info_t *)node, H5FS_ADD_RETURNED_SPACE, &udata) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINSERT, FAIL, "can't re-add section to file free space")
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF__add_sect() */
/*-------------------------------------------------------------------------
* Function: H5MF__find_sect
*
* Purpose: To find a section from the specified free-space manager to fulfill the request.
* If found, re-add the left-over space back to the manager.
*
* Return: TRUE if a section is found to fulfill the request
* FALSE if not
*
* Programmer: Vailin Choi; April 2013
*
*-------------------------------------------------------------------------
*/
htri_t
H5MF__find_sect(H5F_t *f, H5FD_mem_t alloc_type, hsize_t size, H5FS_t *fspace, haddr_t *addr)
{
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t fsm_ring = H5AC_RING_INV; /* Ring of FSM */
H5MF_free_section_t *node; /* Free space section pointer */
htri_t ret_value = FAIL; /* Whether an existing free list node was found */
FUNC_ENTER_PACKAGE
HDassert(f);
HDassert(fspace);
/* Set the ring type in the API context */
if (H5MF__fsm_is_self_referential(f->shared, fspace))
fsm_ring = H5AC_RING_MDFSM;
else
fsm_ring = H5AC_RING_RDFSM;
H5AC_set_ring(fsm_ring, &orig_ring);
/* Try to get a section from the free space manager */
if ((ret_value = H5FS_sect_find(f, fspace, size, (H5FS_section_info_t **)&node)) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL, "error locating free space in file")
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: section found = %t\n", __func__, ret_value);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* Check for actually finding section */
if (ret_value) {
/* Sanity check */
HDassert(node);
/* Retrieve return value */
if (addr)
*addr = node->sect_info.addr;
/* Check for eliminating the section */
if (node->sect_info.size == size) {
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: freeing node\n", __func__);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* Free section node */
if (H5MF__sect_free((H5FS_section_info_t *)node) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't free simple section node")
} /* end if */
else {
/* Adjust information for section */
node->sect_info.addr += size;
node->sect_info.size -= size;
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: re-adding node, node->sect_info.size = %Hu\n", __func__,
node->sect_info.size);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* Re-add the section to the free-space manager */
if (H5MF__add_sect(f, alloc_type, fspace, node) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINSERT, FAIL, "can't re-add section to file free space")
} /* end else */
} /* end if */
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF__find_sect() */
/*-------------------------------------------------------------------------
* Function: H5MF_alloc
*
* Purpose: Allocate SIZE bytes of file memory and return the relative
* address where that contiguous chunk of file memory exists.
* The TYPE argument describes the purpose for which the storage
* is being requested.
*
* Return: Success: The file address of new chunk.
* Failure: HADDR_UNDEF
*
* Programmer: Robb Matzke
* Jul 11 1997
*
*-------------------------------------------------------------------------
*/
haddr_t
H5MF_alloc(H5F_t *f, H5FD_mem_t alloc_type, hsize_t size)
{
H5AC_ring_t fsm_ring = H5AC_RING_INV; /* free space manager ring */
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5F_mem_page_t fs_type; /* Free space type (mapped from allocation type) */
haddr_t ret_value = HADDR_UNDEF; /* Return value */
FUNC_ENTER_NOAPI_TAG(H5AC__FREESPACE_TAG, HADDR_UNDEF)
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: alloc_type = %u, size = %Hu\n", __func__, (unsigned)alloc_type, size);
#endif /* H5MF_ALLOC_DEBUG */
/* check arguments */
HDassert(f);
HDassert(f->shared);
HDassert(f->shared->lf);
HDassert(size > 0);
H5MF__alloc_to_fs_type(f->shared, alloc_type, size, &fs_type);
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: Check 1.0\n", __func__);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* Set the ring type in the API context */
if (H5MF__fsm_type_is_self_referential(f->shared, fs_type))
fsm_ring = H5AC_RING_MDFSM;
else
fsm_ring = H5AC_RING_RDFSM;
H5AC_set_ring(fsm_ring, &orig_ring);
/* Check if we are using the free space manager for this file */
if (H5F_HAVE_FREE_SPACE_MANAGER(f)) {
/* We are about to change the contents of the free space manager --
* notify metadata cache that the associated fsm ring is
* unsettled
*/
if (H5AC_unsettle_ring(f, fsm_ring) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_SYSTEM, HADDR_UNDEF,
"attempt to notify cache that ring is unsettled failed")
/* Check if the free space manager for the file has been initialized */
if (!f->shared->fs_man[fs_type] && H5F_addr_defined(f->shared->fs_addr[fs_type])) {
/* Open the free-space manager */
if (H5MF__open_fstype(f, fs_type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTOPENOBJ, HADDR_UNDEF, "can't initialize file free space")
HDassert(f->shared->fs_man[fs_type]);
} /* end if */
/* Search for large enough space in the free space manager */
if (f->shared->fs_man[fs_type])
if (H5MF__find_sect(f, alloc_type, size, f->shared->fs_man[fs_type], &ret_value) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, HADDR_UNDEF, "error locating a node")
} /* end if */
/* If no space is found from the free-space manager, continue further action */
if (!H5F_addr_defined(ret_value)) {
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: Check 2.0\n", __func__);
#endif /* H5MF_ALLOC_DEBUG_MORE */
if (f->shared->fs_strategy == H5F_FSPACE_STRATEGY_PAGE) {
HDassert(f->shared->fs_page_size >= H5F_FILE_SPACE_PAGE_SIZE_MIN);
if (HADDR_UNDEF == (ret_value = H5MF__alloc_pagefs(f, alloc_type, size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, HADDR_UNDEF,
"allocation failed from paged aggregation")
} /* end if */
else { /* For non-paged aggregation, continue further action */
if (HADDR_UNDEF == (ret_value = H5MF_aggr_vfd_alloc(f, alloc_type, size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, HADDR_UNDEF, "allocation failed from aggr/vfd")
} /* end else */
} /* end if */
HDassert(H5F_addr_defined(ret_value));
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: Check 3.0\n", __func__);
#endif /* H5MF_ALLOC_DEBUG_MORE */
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Leaving: ret_value = %a, size = %Hu\n", __func__, ret_value, size);
#endif /* H5MF_ALLOC_DEBUG */
#ifdef H5MF_ALLOC_DEBUG_DUMP
H5MF__sects_dump(f, stderr);
#endif /* H5MF_ALLOC_DEBUG_DUMP */
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* end H5MF_alloc() */
/*-------------------------------------------------------------------------
* Function: H5MF__alloc_pagefs
*
* Purpose: Allocate space from either the large or small free-space manager.
* For "large" request:
* Allocate request from VFD
* Determine mis-aligned fragment and return the fragment to the
* appropriate manager
* For "small" request:
* Allocate a page from the large manager
* Determine whether space is available from a mis-aligned fragment
* being returned to the manager
* Return left-over space to the manager after fulfilling request
*
* Return: Success: The file address of new chunk.
* Failure: HADDR_UNDEF
*
* Programmer: Vailin Choi; Dec 2012
*
*-------------------------------------------------------------------------
*/
static haddr_t
H5MF__alloc_pagefs(H5F_t *f, H5FD_mem_t alloc_type, hsize_t size)
{
H5F_mem_page_t ptype; /* Free-space manager type */
H5MF_free_section_t *node = NULL; /* Free space section pointer */
haddr_t ret_value = HADDR_UNDEF; /* Return value */
FUNC_ENTER_STATIC
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: alloc_type = %u, size = %Hu\n", __func__, (unsigned)alloc_type, size);
#endif /* H5MF_ALLOC_DEBUG */
H5MF__alloc_to_fs_type(f->shared, alloc_type, size, &ptype);
switch (ptype) {
case H5F_MEM_PAGE_GENERIC:
case H5F_MEM_PAGE_LARGE_BTREE:
case H5F_MEM_PAGE_LARGE_DRAW:
case H5F_MEM_PAGE_LARGE_GHEAP:
case H5F_MEM_PAGE_LARGE_LHEAP:
case H5F_MEM_PAGE_LARGE_OHDR: {
haddr_t eoa; /* EOA for the file */
hsize_t frag_size = 0; /* Fragment size */
/* Get the EOA for the file */
if (HADDR_UNDEF == (eoa = H5F_get_eoa(f, alloc_type)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, HADDR_UNDEF, "Unable to get eoa")
HDassert(!(eoa % f->shared->fs_page_size));
H5MF_EOA_MISALIGN(f, (eoa + size), f->shared->fs_page_size, frag_size);
/* Allocate from VFD */
if (HADDR_UNDEF == (ret_value = H5F__alloc(f, alloc_type, size + frag_size, NULL, NULL)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, HADDR_UNDEF, "can't allocate file space")
/* If there is a mis-aligned fragment at EOA */
if (frag_size) {
/* Start up the free-space manager */
if (!(f->shared->fs_man[ptype]))
if (H5MF__start_fstype(f, ptype) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, HADDR_UNDEF,
"can't initialize file free space")
/* Create free space section for the fragment */
if (NULL == (node = H5MF__sect_new(H5MF_FSPACE_SECT_LARGE, ret_value + size, frag_size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, HADDR_UNDEF,
"can't initialize free space section")
/* Add the fragment to the large free-space manager */
if (H5MF__add_sect(f, alloc_type, f->shared->fs_man[ptype], node) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINSERT, HADDR_UNDEF,
"can't re-add section to file free space")
node = NULL;
} /* end if */
} break;
case H5F_MEM_PAGE_META:
case H5F_MEM_PAGE_DRAW:
case H5F_MEM_PAGE_BTREE:
case H5F_MEM_PAGE_GHEAP:
case H5F_MEM_PAGE_LHEAP:
case H5F_MEM_PAGE_OHDR: {
haddr_t new_page; /* The address for the new file size page */
/* Allocate one file space page */
if (HADDR_UNDEF == (new_page = H5MF_alloc(f, alloc_type, f->shared->fs_page_size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, HADDR_UNDEF, "can't allocate file space")
/* Start up the free-space manager */
if (!(f->shared->fs_man[ptype]))
if (H5MF__start_fstype(f, ptype) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, HADDR_UNDEF, "can't initialize file free space")
HDassert(f->shared->fs_man[ptype]);
if (NULL == (node = H5MF__sect_new(H5MF_FSPACE_SECT_SMALL, (new_page + size),
(f->shared->fs_page_size - size))))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, HADDR_UNDEF, "can't initialize free space section")
/* Add the remaining space in the page to the manager */
if (H5MF__add_sect(f, alloc_type, f->shared->fs_man[ptype], node) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINSERT, HADDR_UNDEF,
"can't re-add section to file free space")
node = NULL;
/* Insert the new page into the Page Buffer list of new pages so
we don't read an empty page from disk */
if (f->shared->page_buf != NULL && H5PB_add_new_page(f->shared, alloc_type, new_page) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINSERT, HADDR_UNDEF,
"can't add new page to Page Buffer new page list")
ret_value = new_page;
} break;
case H5F_MEM_PAGE_NTYPES:
case H5F_MEM_PAGE_DEFAULT:
default:
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, HADDR_UNDEF,
"can't allocate file space: unrecognized type")
break;
} /* end switch */
done:
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Leaving: ret_value = %a, size = %Hu\n", __func__, ret_value, size);
#endif /* H5MF_ALLOC_DEBUG */
#ifdef H5MF_ALLOC_DEBUG_DUMP
H5MF__sects_dump(f, stderr);
#endif /* H5MF_ALLOC_DEBUG_DUMP */
/* Release section node, if allocated and not added to section list or merged */
if (node)
if (H5MF__sect_free((H5FS_section_info_t *)node) < 0)
HDONE_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, HADDR_UNDEF, "can't free section node")
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF__alloc_pagefs() */
/*-------------------------------------------------------------------------
* Function: H5MF_alloc_tmp
*
* Purpose: Allocate temporary space in the file
*
* Note: The address returned is non-overlapping with any other address
* in the file and suitable for insertion into the metadata
* cache.
*
* The address is _not_ suitable for actual file I/O and will
* cause an error if it is so used.
*
* The space allocated with this routine should _not_ be freed,
* it should just be abandoned. Calling H5MF_xfree() with space
* from this routine will cause an error.
*
* Return: Success: Temporary file address
* Failure: HADDR_UNDEF
*
* Programmer: Quincey Koziol
* Thursday, June 4, 2009
*
*-------------------------------------------------------------------------
*/
haddr_t
H5MF_alloc_tmp(H5F_t *f, hsize_t size)
{
haddr_t eoa; /* End of allocated space in the file */
haddr_t ret_value = HADDR_UNDEF; /* Return value */
FUNC_ENTER_NOAPI(HADDR_UNDEF)
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: size = %Hu\n", __func__, size);
#endif /* H5MF_ALLOC_DEBUG */
/* check args */
HDassert(f);
HDassert(f->shared);
HDassert(f->shared->lf);
HDassert(size > 0);
/* Retrieve the 'eoa' for the file */
if (HADDR_UNDEF == (eoa = H5F_get_eoa(f, H5FD_MEM_DEFAULT)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, HADDR_UNDEF, "driver get_eoa request failed")
/* Compute value to return */
ret_value = f->shared->tmp_addr - size;
/* Check for overlap into the actual allocated space in the file */
if (H5F_addr_le(ret_value, eoa))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, HADDR_UNDEF, "driver get_eoa request failed")
/* Adjust temporary address allocator in the file */
f->shared->tmp_addr = ret_value;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF_alloc_tmp() */
/*-------------------------------------------------------------------------
* Function: H5MF_xfree
*
* Purpose: Frees part of a file, making that part of the file
* available for reuse.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Jul 17 1997
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF_xfree(H5F_t *f, H5FD_mem_t alloc_type, haddr_t addr, hsize_t size)
{
H5F_mem_page_t fs_type; /* Free space type (mapped from allocation type) */
H5MF_free_section_t *node = NULL; /* Free space section pointer */
unsigned ctype; /* section class type */
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t fsm_ring; /* Ring of FSM */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_TAG(H5AC__FREESPACE_TAG, FAIL)
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Entering - alloc_type = %u, addr = %a, size = %Hu\n", __func__,
(unsigned)alloc_type, addr, size);
#endif /* H5MF_ALLOC_DEBUG */
/* check arguments */
HDassert(f);
if (!H5F_addr_defined(addr) || 0 == size)
HGOTO_DONE(SUCCEED)
HDassert(addr != 0); /* Can't deallocate the superblock :-) */
H5MF__alloc_to_fs_type(f->shared, alloc_type, size, &fs_type);
/* Set the ring type in the API context */
if (H5MF__fsm_type_is_self_referential(f->shared, fs_type))
fsm_ring = H5AC_RING_MDFSM;
else
fsm_ring = H5AC_RING_RDFSM;
H5AC_set_ring(fsm_ring, &orig_ring);
/* we are about to change the contents of the free space manager --
* notify metadata cache that the associated fsm ring is
* unsettled
*/
/* Only do so for strategies that use free-space managers */
if (H5F_HAVE_FREE_SPACE_MANAGER(f))
if (H5AC_unsettle_ring(f, fsm_ring) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_SYSTEM, FAIL,
"attempt to notify cache that ring is unsettled failed")
/* Check for attempting to free space that's a 'temporary' file address */
if (H5F_addr_le(f->shared->tmp_addr, addr))
HGOTO_ERROR(H5E_RESOURCE, H5E_BADRANGE, FAIL, "attempting to free temporary file space")
/* If it's metadata, check if the space to free intersects with the file's
* metadata accumulator
*/
if (H5FD_MEM_DRAW != alloc_type) {
/* Check if the space to free intersects with the file's metadata accumulator */
if (H5F__accum_free(f->shared, alloc_type, addr, size) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, FAIL,
"can't check free space intersection w/metadata accumulator")
} /* end if */
/* Check if the free space manager for the file has been initialized */
if (!f->shared->fs_man[fs_type]) {
/* If there's no free space manager for objects of this type,
* see if we can avoid creating one by checking if the freed
* space is at the end of the file
*/
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: fs_addr = %a\n", __func__, f->shared->fs_addr[fs_type]);
#endif /* H5MF_ALLOC_DEBUG_MORE */
if (!H5F_addr_defined(f->shared->fs_addr[fs_type])) {
htri_t status; /* "can absorb" status for section into */
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: Trying to avoid starting up free space manager\n", __func__);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* Try to shrink the file or absorb the block into a block aggregator */
if ((status = H5MF_try_shrink(f, alloc_type, addr, size)) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTMERGE, FAIL, "can't check for absorbing block")
else if (status > 0)
/* Indicate success */
HGOTO_DONE(SUCCEED)
else if (size < f->shared->fs_threshold) {
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: dropping addr = %a, size = %Hu, on the floor!\n", __func__, addr,
size);
#endif /* H5MF_ALLOC_DEBUG_MORE */
HGOTO_DONE(SUCCEED)
} /* end else-if */
} /* end if */
/* If we are deleting the free space manager, leave now, to avoid
* [re-]starting it.
* or if file space strategy type is not using a free space manager
* (H5F_FSPACE_STRATEGY_AGGR or H5F_FSPACE_STRATEGY_NONE), drop free space
* section on the floor.
*
* Note: this drops the space to free on the floor...
*
*/
if (f->shared->fs_state[fs_type] == H5F_FS_STATE_DELETING || !H5F_HAVE_FREE_SPACE_MANAGER(f)) {
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: dropping addr = %a, size = %Hu, on the floor!\n", __func__, addr, size);
#endif /* H5MF_ALLOC_DEBUG_MORE */
HGOTO_DONE(SUCCEED)
} /* end if */
/* There's either already a free space manager, or the freed
* space isn't at the end of the file, so start up (or create)
* the file space manager
*/
if (H5MF__start_fstype(f, fs_type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize file free space")
} /* end if */
/* Create the free-space section for the freed section */
ctype = H5MF_SECT_CLASS_TYPE(f, size);
if (NULL == (node = H5MF__sect_new(ctype, addr, size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize free space section")
/* If size of the freed section is larger than threshold, add it to the free space manager */
if (size >= f->shared->fs_threshold) {
HDassert(f->shared->fs_man[fs_type]);
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: Before H5FS_sect_add()\n", __func__);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* Add to the free space for the file */
if (H5MF__add_sect(f, alloc_type, f->shared->fs_man[fs_type], node) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINSERT, FAIL, "can't add section to file free space")
node = NULL;
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: After H5FS_sect_add()\n", __func__);
#endif /* H5MF_ALLOC_DEBUG_MORE */
} /* end if */
else {
htri_t merged; /* Whether node was merged */
H5MF_sect_ud_t udata; /* User data for callback */
/* Construct user data for callbacks */
udata.f = f;
udata.alloc_type = alloc_type;
udata.allow_sect_absorb = TRUE;
udata.allow_eoa_shrink_only = FALSE;
/* Try to merge the section that is smaller than threshold */
if ((merged = H5FS_sect_try_merge(f, f->shared->fs_man[fs_type], (H5FS_section_info_t *)node,
H5FS_ADD_RETURNED_SPACE, &udata)) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINSERT, FAIL, "can't merge section to file free space")
else if (merged == TRUE) /* successfully merged */
/* Indicate that the node was used */
node = NULL;
} /* end else */
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
/* Release section node, if allocated and not added to section list or merged */
if (node)
if (H5MF__sect_free((H5FS_section_info_t *)node) < 0)
HDONE_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't free simple section node")
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Leaving, ret_value = %d\n", __func__, ret_value);
#endif /* H5MF_ALLOC_DEBUG */
#ifdef H5MF_ALLOC_DEBUG_DUMP
H5MF__sects_dump(f, stderr);
#endif /* H5MF_ALLOC_DEBUG_DUMP */
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* end H5MF_xfree() */
/*-------------------------------------------------------------------------
* Function: H5MF_try_extend
*
* Purpose: Extend a block in the file if possible.
* For non-paged aggregation:
* --try to extend at EOA
* --try to extend into the aggregators
* --try to extend into a free-space section if adjoined
* For paged aggregation:
* --try to extend at EOA
* --try to extend into a free-space section if adjoined
* --try to extend into the page end threshold if a metadata block
*
* Return: Success: TRUE(1) - Block was extended
* FALSE(0) - Block could not be extended
* Failure: FAIL
*
* Programmer: Quincey Koziol
* Friday, June 11, 2004
*
*-------------------------------------------------------------------------
*/
htri_t
H5MF_try_extend(H5F_t *f, H5FD_mem_t alloc_type, haddr_t addr, hsize_t size, hsize_t extra_requested)
{
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t fsm_ring; /* Ring of FSM */
haddr_t end; /* End of block to extend */
H5FD_mem_t map_type; /* Mapped type */
H5F_mem_page_t fs_type; /* free space type */
htri_t allow_extend = TRUE; /* Possible to extend the block */
hsize_t frag_size = 0; /* Size of mis-aligned fragment */
htri_t ret_value = FALSE; /* Return value */
FUNC_ENTER_NOAPI_TAG(H5AC__FREESPACE_TAG, FAIL)
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Entering: alloc_type = %u, addr = %a, size = %Hu, extra_requested = %Hu\n",
__func__, (unsigned)alloc_type, addr, size, extra_requested);
#endif /* H5MF_ALLOC_DEBUG */
/* Sanity check */
HDassert(f);
HDassert(H5F_INTENT(f) & H5F_ACC_RDWR);
/* Set mapped type, treating global heap as raw data */
map_type = (alloc_type == H5FD_MEM_GHEAP) ? H5FD_MEM_DRAW : alloc_type;
/* Compute end of block to extend */
end = addr + size;
/* For paged aggregation:
* To extend a small block: can only extend if not crossing page boundary
* To extend a large block at EOA: calculate in advance mis-aligned fragment so EOA will still end at
* page boundary
*/
if (H5F_PAGED_AGGR(f)) {
if (size < f->shared->fs_page_size) {
/* To extend a small block: cannot cross page boundary */
if ((addr / f->shared->fs_page_size) != (((end + extra_requested) - 1) / f->shared->fs_page_size))
allow_extend = FALSE;
} /* end if */
else {
haddr_t eoa; /* EOA for the file */
/* To extend a large block: calculate in advance the mis-aligned fragment so EOA will end at
* page boundary if extended */
if (HADDR_UNDEF == (eoa = H5F_get_eoa(f, alloc_type)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "Unable to get eoa")
HDassert(!(eoa % f->shared->fs_page_size));
H5MF_EOA_MISALIGN(f, (eoa + extra_requested), f->shared->fs_page_size, frag_size);
} /* end else */
} /* end if */
/* Get free space type from allocation type */
H5MF__alloc_to_fs_type(f->shared, alloc_type, size, &fs_type);
/* Set the ring type in the API context */
if (H5MF__fsm_type_is_self_referential(f->shared, fs_type))
fsm_ring = H5AC_RING_MDFSM;
else
fsm_ring = H5AC_RING_RDFSM;
H5AC_set_ring(fsm_ring, &orig_ring);
if (allow_extend) {
/* Try extending the block at EOA */
if ((ret_value = H5F__try_extend(f, map_type, end, extra_requested + frag_size)) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTEXTEND, FAIL, "error extending file")
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: extended = %t\n", __func__, ret_value);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* If extending at EOA succeeds: */
/* for paged aggregation, put the fragment into the large-sized free-space manager */
if (ret_value == TRUE && H5F_PAGED_AGGR(f) && frag_size) {
H5MF_free_section_t *node = NULL; /* Free space section pointer */
/* Should be large-sized block */
HDassert(size >= f->shared->fs_page_size);
/* Start up the free-space manager */
if (!(f->shared->fs_man[fs_type]))
if (H5MF__start_fstype(f, fs_type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize file free space")
/* Create free space section for the fragment */
if (NULL == (node = H5MF__sect_new(H5MF_FSPACE_SECT_LARGE, end + extra_requested, frag_size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize free space section")
/* Add the fragment to the large-sized free-space manager */
if (H5MF__add_sect(f, alloc_type, f->shared->fs_man[fs_type], node) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINSERT, FAIL, "can't re-add section to file free space")
node = NULL;
} /* end if */
/* For non-paged aggregation: try to extend into the aggregators */
if (ret_value == FALSE && (f->shared->fs_strategy == H5F_FSPACE_STRATEGY_FSM_AGGR ||
f->shared->fs_strategy == H5F_FSPACE_STRATEGY_AGGR)) {
H5F_blk_aggr_t *aggr; /* Aggregator to use */
/* Check if the block is able to extend into aggregation block */
aggr = (map_type == H5FD_MEM_DRAW) ? &(f->shared->sdata_aggr) : &(f->shared->meta_aggr);
if ((ret_value = H5MF__aggr_try_extend(f, aggr, map_type, end, extra_requested)) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTEXTEND, FAIL, "error extending aggregation block")
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: H5MF__aggr_try_extend = %t\n", __func__, ret_value);
#endif /* H5MF_ALLOC_DEBUG_MORE */
} /* end if */
/* If no extension so far, try to extend into a free-space section */
if (ret_value == FALSE &&
((f->shared->fs_strategy == H5F_FSPACE_STRATEGY_FSM_AGGR) || (H5F_PAGED_AGGR(f)))) {
H5MF_sect_ud_t udata; /* User data */
/* Construct user data for callbacks */
udata.f = f;
udata.alloc_type = alloc_type;
/* Check if the free space for the file has been initialized */
if (!f->shared->fs_man[fs_type] && H5F_addr_defined(f->shared->fs_addr[fs_type]))
/* Open the free-space manager */
if (H5MF__open_fstype(f, fs_type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize file free space")
/* Try to extend the block into a free-space section */
if (f->shared->fs_man[fs_type]) {
if ((ret_value = H5FS_sect_try_extend(f, f->shared->fs_man[fs_type], addr, size,
extra_requested, H5FS_ADD_RETURNED_SPACE, &udata)) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTEXTEND, FAIL,
"error extending block in free space manager")
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: Try to H5FS_sect_try_extend = %t\n", __func__, ret_value);
#endif /* H5MF_ALLOC_DEBUG_MORE */
} /* end if */
/* For paged aggregation and a metadata block: try to extend into page end threshold */
if (ret_value == FALSE && H5F_PAGED_AGGR(f) && map_type != H5FD_MEM_DRAW) {
H5MF_EOA_MISALIGN(f, end, f->shared->fs_page_size, frag_size);
if (frag_size <= H5F_PGEND_META_THRES(f) && extra_requested <= frag_size)
ret_value = TRUE;
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: Try to extend into the page end threshold = %t\n", __func__,
ret_value);
#endif /* H5MF_ALLOC_DEBUG_MORE */
} /* end if */
} /* end if */
} /* allow_extend */
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Leaving: ret_value = %t\n", __func__, ret_value);
#endif /* H5MF_ALLOC_DEBUG */
#ifdef H5MF_ALLOC_DEBUG_DUMP
H5MF__sects_dump(f, stderr);
#endif /* H5MF_ALLOC_DEBUG_DUMP */
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* end H5MF_try_extend() */
/*-------------------------------------------------------------------------
* Function: H5MF_try_shrink
*
* Purpose: Try to shrink the size of a file with a block or absorb it
* into a block aggregator.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Feb 14 2008
*
*-------------------------------------------------------------------------
*/
htri_t
H5MF_try_shrink(H5F_t *f, H5FD_mem_t alloc_type, haddr_t addr, hsize_t size)
{
H5MF_free_section_t * node = NULL; /* Free space section pointer */
H5MF_sect_ud_t udata; /* User data for callback */
const H5FS_section_class_t *sect_cls; /* Section class */
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t fsm_ring = H5AC_RING_INV; /* Ring of FSM */
H5F_mem_page_t fs_type; /* Free space type */
htri_t ret_value = FALSE; /* Return value */
FUNC_ENTER_NOAPI_TAG(H5AC__FREESPACE_TAG, FAIL)
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Entering - alloc_type = %u, addr = %a, size = %Hu\n", __func__,
(unsigned)alloc_type, addr, size);
#endif /* H5MF_ALLOC_DEBUG */
/* check arguments */
HDassert(f);
HDassert(f->shared);
HDassert(f->shared->lf);
HDassert(H5F_addr_defined(addr));
HDassert(size > 0);
/* Set up free-space section class information */
sect_cls = H5MF_SECT_CLS_TYPE(f, size);
HDassert(sect_cls);
/* Get free space type from allocation type */
H5MF__alloc_to_fs_type(f->shared, alloc_type, size, &fs_type);
/* Set the ring type in the API context */
if (H5MF__fsm_type_is_self_referential(f->shared, fs_type))
fsm_ring = H5AC_RING_MDFSM;
else
fsm_ring = H5AC_RING_RDFSM;
H5AC_set_ring(fsm_ring, &orig_ring);
/* Create free-space section for block */
if (NULL == (node = H5MF__sect_new(sect_cls->type, addr, size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize free space section")
/* Construct user data for callbacks */
udata.f = f;
udata.alloc_type = alloc_type;
udata.allow_sect_absorb = FALSE; /* Force section to be absorbed into aggregator */
udata.allow_eoa_shrink_only = FALSE;
/* Check if the block can shrink the container */
if (sect_cls->can_shrink) {
if ((ret_value = (*sect_cls->can_shrink)((const H5FS_section_info_t *)node, &udata)) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTMERGE, FAIL, "can't check if section can shrink container")
if (ret_value > 0) {
HDassert(sect_cls->shrink);
if ((*sect_cls->shrink)((H5FS_section_info_t **)&node, &udata) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink container")
} /* end if */
} /* end if */
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
/* Free section node allocated */
if (node && H5MF__sect_free((H5FS_section_info_t *)node) < 0)
HDONE_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't free simple section node")
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Leaving, ret_value = %d\n", __func__, ret_value);
#endif /* H5MF_ALLOC_DEBUG */
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* end H5MF_try_shrink() */
/*-------------------------------------------------------------------------
* Function: H5MF_close
*
* Purpose: Close the free space tracker(s) for a file:
* paged or non-paged aggregation
*
* Return: SUCCEED/FAIL
*
* Programmer: Vailin Choi; Dec 2012
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF_close(H5F_t *f)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_TAG(H5AC__FREESPACE_TAG, FAIL)
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Entering\n", __func__);
#endif /* H5MF_ALLOC_DEBUG */
/* check args */
HDassert(f);
HDassert(f->shared);
if (H5F_PAGED_AGGR(f)) {
if ((ret_value = H5MF__close_pagefs(f)) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTFREE, FAIL, "can't close free-space managers for 'page' file space")
}
else {
if ((ret_value = H5MF__close_aggrfs(f)) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTFREE, FAIL, "can't close free-space managers for 'aggr' file space")
}
done:
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Leaving\n", __func__);
#endif /* H5MF_ALLOC_DEBUG */
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* end H5MF_close() */
/*-------------------------------------------------------------------------
* Function: H5MF__close_delete_fstype
*
* Purpose: Common code for closing and deleting the freespace manager
* of TYPE for file.
* Note that TYPE can be H5F_mem_page_t or H5FD_mem_t enum types.
*
* Return: SUCCEED/FAIL
*
* Programmer: Vailin Choi
* Jan 2016
*
*-------------------------------------------------------------------------
*/
static herr_t
H5MF__close_delete_fstype(H5F_t *f, H5F_mem_page_t type)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Entering\n", __func__);
#endif /* H5MF_ALLOC_DEBUG */
/* check args */
HDassert(f);
HDassert(f->shared);
if (H5F_PAGED_AGGR(f))
HDassert(type < H5F_MEM_PAGE_NTYPES);
else
HDassert((H5FD_mem_t)type < H5FD_MEM_NTYPES);
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: Check 1.0 - f->shared->fs_man[%u] = %p, f->shared->fs_addr[%u] = %a\n", __func__,
(unsigned)type, f->shared->fs_man[type], (unsigned)type, f->shared->fs_addr[type]);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* If the free space manager for this type is open, close it */
if (f->shared->fs_man[type])
if (H5MF__close_fstype(f, type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't close the free space manager")
#ifdef H5MF_ALLOC_DEBUG_MORE
HDfprintf(stderr, "%s: Check 2.0 - f->shared->fs_man[%u] = %p, f->shared->fs_addr[%u] = %a\n", __func__,
(unsigned)type, f->shared->fs_man[type], (unsigned)type, f->shared->fs_addr[type]);
#endif /* H5MF_ALLOC_DEBUG_MORE */
/* If there is free space manager info for this type, delete it */
if (H5F_addr_defined(f->shared->fs_addr[type]))
if (H5MF__delete_fstype(f, type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't delete the free space manager")
done:
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Leaving\n", __func__);
#endif /* H5MF_ALLOC_DEBUG */
FUNC_LEAVE_NOAPI(ret_value)
} /* H5MF__close_delete() */
/*-------------------------------------------------------------------------
* Function: H5MF_try_close
*
* Purpose: This is called by H5Fformat_convert() to close and delete
* free-space managers when downgrading persistent free-space
* to non-persistent.
*
* Return: SUCCEED/FAIL
*
* Programmer: Vailin Choi
* Jan 2016
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF_try_close(H5F_t *f)
{
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t curr_ring = H5AC_RING_INV; /* Current ring value */
H5AC_ring_t needed_ring = H5AC_RING_INV; /* Ring value needed for this iteration */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_TAG(H5AC__FREESPACE_TAG, FAIL)
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Entering\n", __func__);
#endif /* H5MF_ALLOC_DEBUG */
/* check args */
HDassert(f);
/* If there have been no file space allocations / deallocation so
* far, must call H5MF_tidy_self_referential_fsm_hack() to float
* all self referential FSMs and release file space allocated to
* them. Otherwise, the function will be called after the format
* conversion, and will become very confused.
*
* The situation is further complicated if a cache image exists
* and had not yet been loaded into the metadata cache. In this
* case, call H5AC_force_cache_image_load() instead of
* H5MF_tidy_self_referential_fsm_hack(). H5AC_force_cache_image_load()
* will load the cache image, and then call
* H5MF_tidy_self_referential_fsm_hack() to discard the cache image
* block.
*/
/* Set the ring type in the API context. In most cases, we will
* need H5AC_RING_RDFSM, so initially set the ring in
* the context to that value. We will alter this later if needed.
*/
H5AC_set_ring(H5AC_RING_RDFSM, &orig_ring);
curr_ring = H5AC_RING_RDFSM;
if (H5F_PAGED_AGGR(f)) {
H5F_mem_page_t ptype; /* Memory type for iteration */
/* Iterate over all the free space types that have managers and
* get each free list's space
*/
for (ptype = H5F_MEM_PAGE_META; ptype < H5F_MEM_PAGE_NTYPES; ptype++) {
/* Test to see if we need to switch rings -- do so if required */
if (H5MF__fsm_type_is_self_referential(f->shared, ptype))
needed_ring = H5AC_RING_MDFSM;
else
needed_ring = H5AC_RING_RDFSM;
if (needed_ring != curr_ring) {
H5AC_set_ring(needed_ring, NULL);
curr_ring = needed_ring;
} /* end if */
if (H5MF__close_delete_fstype(f, ptype) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't close the free space manager")
} /* end for */
} /* end if */
else {
H5FD_mem_t type; /* Memory type for iteration */
/* Iterate over all the free space types that have managers and
* get each free list's space
*/
for (type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; type++) {
/* Test to see if we need to switch rings -- do so if required */
if (H5MF__fsm_type_is_self_referential(f->shared, (H5F_mem_page_t)type))
needed_ring = H5AC_RING_MDFSM;
else
needed_ring = H5AC_RING_RDFSM;
if (needed_ring != curr_ring) {
H5AC_set_ring(needed_ring, NULL);
curr_ring = needed_ring;
} /* end if */
if (H5MF__close_delete_fstype(f, (H5F_mem_page_t)type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't close the free space manager")
} /* end for */
} /* end else */
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Leaving\n", __func__);
#endif /* H5MF_ALLOC_DEBUG */
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* H5MF_try_close() */
/*-------------------------------------------------------------------------
* Function: H5MF__close_aggrfs
*
* Purpose: Close the free space tracker(s) for a file: non-paged aggregation
*
* Return: SUCCEED/FAIL
*
* Programmer: Quincey Koziol
* Tuesday, January 22, 2008
*
*-------------------------------------------------------------------------
*/
static herr_t
H5MF__close_aggrfs(H5F_t *f)
{
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t curr_ring = H5AC_RING_INV; /* Current ring value */
H5AC_ring_t needed_ring = H5AC_RING_INV; /* Ring value needed for this iteration. */
H5FD_mem_t type; /* Memory type for iteration */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Entering\n", __func__);
#endif /* H5MF_ALLOC_DEBUG */
/* check args */
HDassert(f);
HDassert(f->shared);
HDassert(f->shared->lf);
HDassert(f->shared->sblock);
/* Set the ring type in the API context. In most cases, we will
* need H5AC_RING_RDFSM, so initially set the ring in
* the context to that value. We will alter this later if needed.
*/
H5AC_set_ring(H5AC_RING_RDFSM, &orig_ring);
curr_ring = H5AC_RING_RDFSM;
/* Free the space in aggregators */
/* (for space not at EOA, it may be put into free space managers) */
if (H5MF_free_aggrs(f) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTFREE, FAIL, "can't free aggregators")
/* Trying shrinking the EOA for the file */
if (H5MF__close_shrink_eoa(f) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa")
/* Making free-space managers persistent for superblock version >= 2 */
if (f->shared->sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2 && f->shared->fs_persist) {
H5O_fsinfo_t fsinfo; /* File space info message */
haddr_t final_eoa; /* Final eoa -- for sanity check */
H5F_mem_page_t ptype; /* Memory type for iteration */
/* superblock extension and free space manager message should
* exist at this point -- verify at least the former.
*/
HDassert(H5F_addr_defined(f->shared->sblock->ext_addr));
/* file space for all non-empty free space managers should be
* allocated at this point, and these free space managers should
* be written to file and thus their headers and section info
* entries in the metadata cache should be clean.
*/
/* gather data for the free space manager superblock extension message.
*
* In passing, verify that all the free space managers are closed.
*/
for (ptype = H5F_MEM_PAGE_META; ptype < H5F_MEM_PAGE_NTYPES; ptype++)
fsinfo.fs_addr[ptype - 1] = HADDR_UNDEF;
for (type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; type++)
fsinfo.fs_addr[type - 1] = f->shared->fs_addr[type];
fsinfo.strategy = f->shared->fs_strategy;
fsinfo.persist = f->shared->fs_persist;
fsinfo.threshold = f->shared->fs_threshold;
fsinfo.page_size = f->shared->fs_page_size;
fsinfo.pgend_meta_thres = f->shared->pgend_meta_thres;
fsinfo.eoa_pre_fsm_fsalloc = f->shared->eoa_fsm_fsalloc;
fsinfo.version = f->shared->fs_version;
/* Write the free space manager message -- message must already exist */
if (H5F__super_ext_write_msg(f, H5O_FSINFO_ID, &fsinfo, FALSE, H5O_MSG_FLAG_MARK_IF_UNKNOWN) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL,
"error in writing message to superblock extension")
/* Close the free space managers */
for (type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; type++) {
if (f->shared->fs_man[type]) {
/* Test to see if we need to switch rings -- do so if required */
if (H5MF__fsm_type_is_self_referential(f->shared, (H5F_mem_page_t)type))
needed_ring = H5AC_RING_MDFSM;
else
needed_ring = H5AC_RING_RDFSM;
if (needed_ring != curr_ring) {
H5AC_set_ring(needed_ring, NULL);
curr_ring = needed_ring;
} /* end if */
HDassert(f->shared->fs_state[type] == H5F_FS_STATE_OPEN);
if (H5FS_close(f, f->shared->fs_man[type]) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't close free space manager")
f->shared->fs_man[type] = NULL;
f->shared->fs_state[type] = H5F_FS_STATE_CLOSED;
} /* end if */
f->shared->fs_addr[type] = HADDR_UNDEF;
} /* end for */
/* verify that we haven't dirtied any metadata cache entries
* from the metadata free space manager ring out.
*/
HDassert(H5AC_cache_is_clean(f, H5AC_RING_MDFSM));
/* verify that the aggregators are still shutdown. */
HDassert(f->shared->sdata_aggr.tot_size == 0);
HDassert(f->shared->sdata_aggr.addr == 0);
HDassert(f->shared->sdata_aggr.size == 0);
HDassert(f->shared->meta_aggr.tot_size == 0);
HDassert(f->shared->meta_aggr.addr == 0);
HDassert(f->shared->meta_aggr.size == 0);
/* Trying shrinking the EOA for the file */
/* (in case any free space is now at the EOA) */
if (H5MF__close_shrink_eoa(f) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa")
/* get the eoa, and verify that it has the expected value */
if (HADDR_UNDEF == (final_eoa = H5FD_get_eoa(f->shared->lf, H5FD_MEM_DEFAULT)))
HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get file size")
/* f->shared->eoa_post_fsm_fsalloc is undefined if there has
* been no file space allocation or deallocation since file
* open.
*/
HDassert(H5F_NULL_FSM_ADDR(f) || final_eoa == f->shared->eoa_fsm_fsalloc);
} /* end if */
else { /* super_vers can be 0, 1, 2 */
for (type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; type++)
if (H5MF__close_delete_fstype(f, (H5F_mem_page_t)type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize file free space")
} /* end else */
/* Free the space in aggregators (again) */
/* (in case any free space information re-started them) */
if (H5MF_free_aggrs(f) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTFREE, FAIL, "can't free aggregators")
/* Trying shrinking the EOA for the file */
/* (in case any free space is now at the EOA) */
if (H5MF__close_shrink_eoa(f) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa")
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Leaving\n", __func__);
#endif /* H5MF_ALLOC_DEBUG */
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF__close_aggrfs() */
/*-------------------------------------------------------------------------
* Function: H5MF__close_pagefs
*
* Purpose: Close the free space tracker(s) for a file: paged aggregation
*
* Return: SUCCEED/FAIL
*
* Programmer: Vailin Choi; Dec 2012
*
*-------------------------------------------------------------------------
*/
static herr_t
H5MF__close_pagefs(H5F_t *f)
{
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t curr_ring = H5AC_RING_INV; /* Current ring value */
H5AC_ring_t needed_ring = H5AC_RING_INV; /* Ring value needed for this iteration. */
H5F_mem_page_t ptype; /* Memory type for iteration */
H5O_fsinfo_t fsinfo; /* File space info message */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Entering\n", __func__);
#endif /* H5MF_ALLOC_DEBUG */
/* check args */
HDassert(f);
HDassert(f->shared);
HDassert(f->shared->lf);
HDassert(f->shared->sblock);
HDassert(f->shared->fs_page_size);
HDassert(f->shared->sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2);
/* Set the ring type in the API context. In most cases, we will
* need H5AC_RING_RDFSM, so initially set the ring in
* the context to that value. We will alter this later if needed.
*/
H5AC_set_ring(H5AC_RING_RDFSM, &orig_ring);
curr_ring = H5AC_RING_RDFSM;
/* Trying shrinking the EOA for the file */
if (H5MF__close_shrink_eoa(f) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa")
/* Set up file space info message */
fsinfo.strategy = f->shared->fs_strategy;
fsinfo.persist = f->shared->fs_persist;
fsinfo.threshold = f->shared->fs_threshold;
fsinfo.page_size = f->shared->fs_page_size;
fsinfo.pgend_meta_thres = f->shared->pgend_meta_thres;
fsinfo.eoa_pre_fsm_fsalloc = HADDR_UNDEF;
fsinfo.version = f->shared->fs_version;
for (ptype = H5F_MEM_PAGE_META; ptype < H5F_MEM_PAGE_NTYPES; ptype++)
fsinfo.fs_addr[ptype - 1] = HADDR_UNDEF;
if (f->shared->fs_persist) {
haddr_t final_eoa; /* final eoa -- for sanity check */
/* superblock extension and free space manager message should
* exist at this point -- verify at least the former.
*/
HDassert(H5F_addr_defined(f->shared->sblock->ext_addr));
/* file space for all non-empty free space managers should be
* allocated at this point, and these free space managers should
* be written to file and thus their headers and section info
* entries in the metadata cache should be clean.
*/
/* gather data for the free space manager superblock extension message.
* Only need addresses of FSMs and eoa prior to allocation of
* file space for the self referential free space managers. Other
* data was gathered above.
*/
for (ptype = H5F_MEM_PAGE_META; ptype < H5F_MEM_PAGE_NTYPES; ptype++)
fsinfo.fs_addr[ptype - 1] = f->shared->fs_addr[ptype];
fsinfo.eoa_pre_fsm_fsalloc = f->shared->eoa_fsm_fsalloc;
/* Write the free space manager message -- message must already exist */
if (H5F__super_ext_write_msg(f, H5O_FSINFO_ID, &fsinfo, FALSE, H5O_MSG_FLAG_MARK_IF_UNKNOWN) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL,
"error in writing message to superblock extension")
/* Close the free space managers */
/* use H5MF__close_fstype() for this? */
for (ptype = H5F_MEM_PAGE_META; ptype < H5F_MEM_PAGE_NTYPES; ptype++) {
if (f->shared->fs_man[ptype]) {
/* Test to see if we need to switch rings -- do so if required */
if (H5MF__fsm_type_is_self_referential(f->shared, ptype))
needed_ring = H5AC_RING_MDFSM;
else
needed_ring = H5AC_RING_RDFSM;
if (needed_ring != curr_ring) {
H5AC_set_ring(needed_ring, NULL);
curr_ring = needed_ring;
} /* end if */
HDassert(f->shared->fs_state[ptype] == H5F_FS_STATE_OPEN);
if (H5FS_close(f, f->shared->fs_man[ptype]) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't close free space manager")
f->shared->fs_man[ptype] = NULL;
f->shared->fs_state[ptype] = H5F_FS_STATE_CLOSED;
} /* end if */
f->shared->fs_addr[ptype] = HADDR_UNDEF;
} /* end for */
/* verify that we haven't dirtied any metadata cache entries
* from the metadata free space manager ring out.
*/
HDassert(H5AC_cache_is_clean(f, H5AC_RING_MDFSM));
/* Trying shrinking the EOA for the file */
/* (in case any free space is now at the EOA) */
if (H5MF__close_shrink_eoa(f) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa")
/* get the eoa, and verify that it has the expected value */
if (HADDR_UNDEF == (final_eoa = H5FD_get_eoa(f->shared->lf, H5FD_MEM_DEFAULT)))
HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get file size")
/* f->shared->eoa_post_fsm_fsalloc is undefined if there has
* been no file space allocation or deallocation since file
* open.
*
* If there is a cache image in the file at file open,
* f->shared->first_alloc_dealloc will always be FALSE unless
* the file is opened R/O, as otherwise, the image will have been
* read and discarded by this point.
*
* If a cache image was created on file close, the actual EOA
* should be in f->shared->eoa_post_mdci_fsalloc. Note that in
* this case, it is conceivable that f->shared->first_alloc_dealloc
* will still be TRUE, as the cache image is allocated directly from
* the file driver layer. However, as this possibility seems remote,
* it is ignored in the following assert.
*/
HDassert((H5F_NULL_FSM_ADDR(f)) || (final_eoa == f->shared->eoa_fsm_fsalloc) ||
((H5F_addr_defined(f->shared->eoa_post_mdci_fsalloc)) &&
(final_eoa == f->shared->eoa_post_mdci_fsalloc)));
} /* end if */
else {
/* Iterate over all the free space types that have managers
* and get each free list's space
*/
for (ptype = H5F_MEM_PAGE_META; ptype < H5F_MEM_PAGE_NTYPES; ptype++)
if (H5MF__close_delete_fstype(f, ptype) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't close the free space manager")
/* Write file space info message to superblock extension object header */
/* Create the superblock extension object header in advance if needed */
if (H5F__super_ext_write_msg(f, H5O_FSINFO_ID, &fsinfo, FALSE, H5O_MSG_FLAG_MARK_IF_UNKNOWN) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL,
"error in writing message to superblock extension")
} /* end else */
/* Trying shrinking the EOA for the file */
/* (in case any free space is now at the EOA) */
if (H5MF__close_shrink_eoa(f) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa")
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
#ifdef H5MF_ALLOC_DEBUG
HDfprintf(stderr, "%s: Leaving\n", __func__);
#endif /* H5MF_ALLOC_DEBUG */
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF__close_pagefs() */
/*-------------------------------------------------------------------------
* Function: H5MF__close_shrink_eoa
*
* Purpose: Shrink the EOA while closing
*
* Return: SUCCEED/FAIL
*
* Programmer: Quincey Koziol
* Saturday, July 7, 2012
*
*-------------------------------------------------------------------------
*/
static herr_t
H5MF__close_shrink_eoa(H5F_t *f)
{
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t curr_ring = H5AC_RING_INV; /* Current ring value */
H5AC_ring_t needed_ring = H5AC_RING_INV; /* Ring value needed for this iteration. */
H5F_mem_t type;
H5F_mem_page_t ptype; /* Memory type for iteration */
hbool_t eoa_shrank; /* Whether an EOA shrink occurs */
htri_t status; /* Status value */
H5MF_sect_ud_t udata; /* User data for callback */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* check args */
HDassert(f);
HDassert(f->shared);
/* Construct user data for callbacks */
udata.f = f;
udata.allow_sect_absorb = FALSE;
udata.allow_eoa_shrink_only = TRUE;
/* Set the ring type in the API context */
H5AC_set_ring(H5AC_RING_RDFSM, &orig_ring);
curr_ring = H5AC_RING_RDFSM;
/* Iterate until no more EOA shrinking occurs */
do {
eoa_shrank = FALSE;
if (H5F_PAGED_AGGR(f)) {
/* Check the last section of each free-space manager */
for (ptype = H5F_MEM_PAGE_META; ptype < H5F_MEM_PAGE_NTYPES; ptype++) {
if (f->shared->fs_man[ptype]) {
/* Test to see if we need to switch rings -- do so if required */
if (H5MF__fsm_type_is_self_referential(f->shared, ptype))
needed_ring = H5AC_RING_MDFSM;
else
needed_ring = H5AC_RING_RDFSM;
if (needed_ring != curr_ring) {
H5AC_set_ring(needed_ring, NULL);
curr_ring = needed_ring;
} /* end if */
udata.alloc_type = (H5FD_mem_t)(
(H5FD_mem_t)ptype < H5FD_MEM_NTYPES ? ptype : ((ptype % H5FD_MEM_NTYPES) + 1));
if ((status = H5FS_sect_try_shrink_eoa(f, f->shared->fs_man[ptype], &udata)) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't check for shrinking eoa")
else if (status > 0)
eoa_shrank = TRUE;
} /* end if */
} /* end for */
} /* end if */
else {
/* Check the last section of each free-space manager */
for (type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; type++) {
if (f->shared->fs_man[type]) {
/* Test to see if we need to switch rings -- do so if required */
if (H5MF__fsm_type_is_self_referential(f->shared, (H5F_mem_page_t)type))
needed_ring = H5AC_RING_MDFSM;
else
needed_ring = H5AC_RING_RDFSM;
if (needed_ring != curr_ring) {
H5AC_set_ring(needed_ring, NULL);
curr_ring = needed_ring;
} /* end if */
udata.alloc_type = type;
if ((status = H5FS_sect_try_shrink_eoa(f, f->shared->fs_man[type], &udata)) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't check for shrinking eoa")
else if (status > 0)
eoa_shrank = TRUE;
} /* end if */
} /* end for */
/* check the two aggregators */
if ((status = H5MF__aggrs_try_shrink_eoa(f)) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't check for shrinking eoa")
else if (status > 0)
eoa_shrank = TRUE;
} /* end else */
} while (eoa_shrank);
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5MF__close_shrink_eoa() */
/*-------------------------------------------------------------------------
* Function: H5MF_get_freespace
*
* Purpose: Retrieve the amount of free space in the file
*
* Return: Success: Amount of free space in file
* Failure: Negative
*
* Programmer: Quincey Koziol
* Monday, October 6, 2003
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF_get_freespace(H5F_t *f, hsize_t *tot_space, hsize_t *meta_size)
{
haddr_t ma_addr = HADDR_UNDEF; /* Base "metadata aggregator" address */
hsize_t ma_size = 0; /* Size of "metadata aggregator" */
haddr_t sda_addr = HADDR_UNDEF; /* Base "small data aggregator" address */
hsize_t sda_size = 0; /* Size of "small data aggregator" */
hsize_t tot_fs_size = 0; /* Amount of all free space managed */
hsize_t tot_meta_size = 0; /* Amount of metadata for free space managers */
H5FD_mem_t tt; /* Memory type for iteration */
H5F_mem_page_t type; /* Memory type for iteration */
H5F_mem_page_t start_type; /* Memory type for iteration */
H5F_mem_page_t end_type; /* Memory type for iteration */
htri_t fs_started[H5F_MEM_PAGE_NTYPES]; /* Indicate whether the free-space manager has been started */
haddr_t fs_eoa[H5FD_MEM_NTYPES]; /* EAO for each free-space manager */
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t curr_ring = H5AC_RING_INV; /* Current ring value */
H5AC_ring_t needed_ring = H5AC_RING_INV; /* Ring value needed for this iteration. */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_TAG(H5AC__FREESPACE_TAG, FAIL)
/* check args */
HDassert(f);
HDassert(f->shared);
HDassert(f->shared->lf);
/* Set the ring type in the API context. In most cases, we will
* need H5AC_RING_RDFSM, so initially set the ring in
* the context to that value. We will alter this later if needed.
*/
H5AC_set_ring(H5AC_RING_RDFSM, &orig_ring);
curr_ring = H5AC_RING_RDFSM;
/* Determine start/end points for loop */
if (H5F_PAGED_AGGR(f)) {
start_type = H5F_MEM_PAGE_META;
end_type = H5F_MEM_PAGE_NTYPES;
} /* end if */
else {
start_type = (H5F_mem_page_t)H5FD_MEM_SUPER;
end_type = (H5F_mem_page_t)H5FD_MEM_NTYPES;
} /* end else */
for (tt = H5FD_MEM_SUPER; tt < H5FD_MEM_NTYPES; tt++)
if (HADDR_UNDEF == (fs_eoa[tt] = H5F_get_eoa(f, tt)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "driver get_eoa request failed")
if (!H5F_PAGED_AGGR(f)) {
/* Retrieve metadata aggregator info, if available */
if (H5MF__aggr_query(f, &(f->shared->meta_aggr), &ma_addr, &ma_size) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query metadata aggregator stats")
/* Retrieve 'small data' aggregator info, if available */
if (H5MF__aggr_query(f, &(f->shared->sdata_aggr), &sda_addr, &sda_size) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query small data aggregator stats")
} /* end if */
/* Iterate over all the free space types that have managers and get each free list's space */
for (type = start_type; type < end_type; type++) {
fs_started[type] = FALSE;
/* Check if the free space for the file has been initialized */
if (!f->shared->fs_man[type] && H5F_addr_defined(f->shared->fs_addr[type])) {
if (H5MF__open_fstype(f, type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize file free space")
HDassert(f->shared->fs_man[type]);
fs_started[type] = TRUE;
} /* end if */
/* Test to see if we need to switch rings -- do so if required */
if (H5MF__fsm_type_is_self_referential(f->shared, (H5F_mem_page_t)type))
needed_ring = H5AC_RING_MDFSM;
else
needed_ring = H5AC_RING_RDFSM;
if (needed_ring != curr_ring) {
H5AC_set_ring(needed_ring, NULL);
curr_ring = needed_ring;
} /* end if */
/* Check if there's free space of this type */
if (f->shared->fs_man[type]) {
hsize_t type_fs_size = 0; /* Amount of free space managed for each type */
hsize_t type_meta_size = 0; /* Amount of free space metadata for each type */
/* Retrieve free space size from free space manager */
if (H5FS_sect_stats(f->shared->fs_man[type], &type_fs_size, NULL) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query free space stats")
if (H5FS_size(f->shared->fs_man[type], &type_meta_size) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query free space metadata stats")
/* Increment total free space for types */
tot_fs_size += type_fs_size;
tot_meta_size += type_meta_size;
} /* end if */
} /* end for */
/* Close the free-space managers if they were opened earlier in this routine */
for (type = start_type; type < end_type; type++) {
/* Test to see if we need to switch rings -- do so if required */
if (H5MF__fsm_type_is_self_referential(f->shared, (H5F_mem_page_t)type))
needed_ring = H5AC_RING_MDFSM;
else
needed_ring = H5AC_RING_RDFSM;
if (needed_ring != curr_ring) {
H5AC_set_ring(needed_ring, &curr_ring);
curr_ring = needed_ring;
} /* end if */
if (fs_started[type])
if (H5MF__close_fstype(f, type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't close file free space")
} /* end for */
/* Set the value(s) to return */
/* (The metadata & small data aggregators count as free space now, since they aren't at EOA) */
if (tot_space)
*tot_space = tot_fs_size + ma_size + sda_size;
if (meta_size)
*meta_size = tot_meta_size;
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* end H5MF_get_freespace() */
/*-------------------------------------------------------------------------
* Function: H5MF_get_free_sections()
*
* Purpose: To retrieve free-space section information for
* paged or non-paged aggregation
*
* Return: SUCCEED/FAIL
*
* Programmer: Vailin Choi; Dec 2012
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF_get_free_sections(H5F_t *f, H5FD_mem_t type, size_t nsects, H5F_sect_info_t *sect_info,
size_t *sect_count)
{
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t curr_ring = H5AC_RING_INV; /* Current ring value */
H5AC_ring_t needed_ring = H5AC_RING_INV; /* Ring value needed for this iteration. */
size_t total_sects = 0; /* Total number of sections */
H5MF_sect_iter_ud_t sect_udata; /* User data for callback */
H5F_mem_page_t start_type, end_type; /* Memory types to iterate over */
H5F_mem_page_t ty; /* Memory type for iteration */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_TAG(H5AC__FREESPACE_TAG, FAIL)
/* check args */
HDassert(f);
HDassert(f->shared);
HDassert(f->shared->lf);
/* H5MF_tidy_self_referential_fsm_hack() will fail if any self
* referential FSM is opened prior to the call to it. Thus call
* it here if necessary and if it hasn't been called already.
*
* The situation is further complicated if a cache image exists
* and had not yet been loaded into the metadata cache. In this
* case, call H5AC_force_cache_image_load() instead of
* H5MF_tidy_self_referential_fsm_hack(). H5AC_force_cache_image_load()
* will load the cache image, and then call
* H5MF_tidy_self_referential_fsm_hack() to discard the cache image
* block.
*/
if (type == H5FD_MEM_DEFAULT) {
start_type = H5F_MEM_PAGE_SUPER;
end_type = H5F_MEM_PAGE_NTYPES;
} /* end if */
else {
start_type = end_type = (H5F_mem_page_t)type;
if (H5F_PAGED_AGGR(f)) /* set to the corresponding LARGE free-space manager */
end_type = (H5F_mem_page_t)(end_type + H5FD_MEM_NTYPES);
else
end_type++;
} /* end else */
/* Set up user data for section iteration */
sect_udata.sects = sect_info;
sect_udata.sect_count = nsects;
sect_udata.sect_idx = 0;
/* Set the ring type in the API context. In most cases, we will
* need H5AC_RING_RDFSM, so initially set the ring in
* the context to that value. We will alter this later if needed.
*/
H5AC_set_ring(H5AC_RING_RDFSM, &orig_ring);
curr_ring = H5AC_RING_RDFSM;
/* Iterate over memory types, retrieving the number of sections of each type */
for (ty = start_type; ty < end_type; ty++) {
hbool_t fs_started = FALSE; /* The free-space manager is opened or not */
size_t nums = 0; /* The number of free-space sections */
/* Test to see if we need to switch rings -- do so if required */
if (H5MF__fsm_type_is_self_referential(f->shared, ty))
needed_ring = H5AC_RING_MDFSM;
else
needed_ring = H5AC_RING_RDFSM;
if (needed_ring != curr_ring) {
H5AC_set_ring(needed_ring, &curr_ring);
curr_ring = needed_ring;
} /* end if */
if (!f->shared->fs_man[ty] && H5F_addr_defined(f->shared->fs_addr[ty])) {
if (H5MF__open_fstype(f, ty) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't open the free space manager")
HDassert(f->shared->fs_man[ty]);
fs_started = TRUE;
} /* end if */
/* Check if there's free space sections of this type */
if (f->shared->fs_man[ty])
if (H5MF__get_free_sects(f, f->shared->fs_man[ty], &sect_udata, &nums) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL,
"can't get section info for the free space manager")
/* Increment total # of sections */
total_sects += nums;
/* Close the free space manager of this type, if we started it here */
if (fs_started)
if (H5MF__close_fstype(f, ty) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTCLOSEOBJ, FAIL, "can't close file free space")
if ((H5F_PAGED_AGGR(f)) && (type != H5FD_MEM_DEFAULT))
ty = (H5F_mem_page_t)(ty + H5FD_MEM_NTYPES - 2);
} /* end for */
/* Set value to return */
*sect_count = total_sects;
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* H5MF_get_free_sections() */
/*-------------------------------------------------------------------------
* Function: H5MF__sects_cb()
*
* Purpose: Iterator callback for each free-space section
* Retrieve address and size into user data
*
* Return: Always succeed
*
* Programmer: Vailin Choi
* July 1st, 2009
*
*-------------------------------------------------------------------------
*/
static herr_t
H5MF__sects_cb(H5FS_section_info_t *_sect, void *_udata)
{
H5MF_free_section_t *sect = (H5MF_free_section_t *)_sect;
H5MF_sect_iter_ud_t *udata = (H5MF_sect_iter_ud_t *)_udata;
FUNC_ENTER_STATIC_NOERR
if (udata->sect_idx < udata->sect_count) {
udata->sects[udata->sect_idx].addr = sect->sect_info.addr;
udata->sects[udata->sect_idx].size = sect->sect_info.size;
udata->sect_idx++;
} /* end if */
FUNC_LEAVE_NOAPI(SUCCEED)
} /* H5MF__sects_cb() */
/*-------------------------------------------------------------------------
* Function: H5MF__get_free_sects
*
* Purpose: Retrieve section information for the specified free-space manager.
*
* Return: Success: non-negative
* Failure: negative
*
* Programmer: Vailin Choi; Dec 2012
*
*-------------------------------------------------------------------------
*/
static herr_t
H5MF__get_free_sects(H5F_t *f, H5FS_t *fspace, H5MF_sect_iter_ud_t *sect_udata, size_t *nums)
{
hsize_t hnums = 0; /* # of sections */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* check args */
HDassert(f);
HDassert(sect_udata);
HDassert(nums);
HDassert(fspace);
/* Query how many sections of this type */
if (H5FS_sect_stats(fspace, NULL, &hnums) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query free space stats")
H5_CHECKED_ASSIGN(*nums, size_t, hnums, hsize_t);
/* Check if we should retrieve the section info */
if (sect_udata->sects && *nums > 0)
/* Iterate over all the free space sections of this type, adding them to the user's section info */
if (H5FS_sect_iterate(f, fspace, H5MF__sects_cb, sect_udata) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_BADITER, FAIL, "can't iterate over sections")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5MF__get_free_sects() */
/*-------------------------------------------------------------------------
* Function: H5MF_settle_raw_data_fsm()
*
* Purpose: Handle any tasks required before the metadata cache
* can serialize or flush the raw data free space manager
* and any metadata free space managers that reside in the
* raw data free space manager ring.
*
* Specifically, this means any metadata managers that DON'T
* handle space allocation for free space manager header or
* section info will reside in the raw data free space manager
* ring.
*
* In the absence of page allocation, there is at most one
* free space manager per memory type defined in H5F_mem_t.
* Of these, the one that allocates H5FD_MEM_DRAW will
* always reside in the raw data free space manager ring.
* If there is more than one metadata free space manager,
* all that don't handle H5FD_MEM_FSPACE_HDR or
* H5FD_MEM_FSPACE_SINFO (which map to H5FD_MEM_OHDR and
* H5FD_MEM_LHEAP respectively) will reside in the raw
* data free space manager ring as well
*
* With page allocation, the situation is conceptually
* identical, but more complex in practice.
*
* In the worst case (multi file driver) page allocation
* can result in two free space managers for each memory
* type -- one for small (less than on equal to one page)
* allocations, and one for large (greater than one page)
* allocations.
*
* In the more common one file case, page allocation will
* result in a total of three free space managers -- one for
* small (<= one page) raw data allocations, one for small
* metadata allocations (i.e, all memory types other than
* H5FD_MEM_DRAW), and one for all large (> one page)
* allocations.
*
* Despite these complications, the solution is the same in
* the page allocation case -- free space managers (be they
* small data or large) are assigned to the raw data free
* space manager ring if they don't allocate file space for
* free space managers. Note that in the one file case, the
* large free space manager must be assigned to the metadata
* free space manager ring, as it both allocates pages for
* the metadata free space manager, and allocates space for
* large (> 1 page) metadata cache entries.
*
* At present, the task list for this routine is:
*
* 1) Reduce the EOA to the extent possible. To do this:
*
* a) Free both aggregators. Space not at EOA will be
* added to the appropriate free space manager.
*
* The raw data aggregator should not be restarted
* after this point. It is possible that the metadata
* aggregator will be.
*
* b) Free all file space currently allocated to free
* space managers.
*
* c) Delete the free space manager superblock
* extension message if allocated.
*
* This done, reduce the EOA by moving it to just before
* the last piece of free memory in the file.
*
* 2) Ensure that space is allocated for the free space
* manager superblock extension message. Must do this
* now, before reallocating file space for free space
* managers, as it is possible that this allocation may
* grab the last section in a FSM -- making it unnecessary
* to re-allocate file space for it.
*
* 3) Scan all free space managers not involved in allocating
* space for free space managers. For each such free space
* manager, test to see if it contains free space. If
* it does, allocate file space for its header and section
* data. If it contains no free space, leave it without
* allocated file space as there is no need to save it to
* file.
*
* Note that all free space managers in this class should
* see no further space allocations / deallocations as
* at this point, all raw data allocations should be
* finalized, as should all metadata allocations not
* involving free space managers.
*
* We will allocate space for free space managers involved
* in the allocation of file space for free space managers
* in H5MF_settle_meta_data_fsm()
*
* Return: SUCCEED/FAIL
*
* Programmer: John Mainzer
* 5/25/16
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF_settle_raw_data_fsm(H5F_t *f, hbool_t *fsm_settled)
{
int pass_count;
hsize_t alloc_size;
H5F_mem_t mem_type; /* Memory type for iteration */
H5F_mem_page_t fsm_type; /* FSM type for iteration */
H5O_fsinfo_t fsinfo; /* Free space manager info message */
H5FS_stat_t fs_stat; /* Information for free-space manager */
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
H5AC_ring_t curr_ring = H5AC_RING_INV; /* Current ring value */
H5AC_ring_t needed_ring = H5AC_RING_INV; /* Ring value needed for this iteration */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_TAG(H5AC__FREESPACE_TAG, FAIL)
/* Check args */
HDassert(f);
HDassert(f->shared);
HDassert(fsm_settled);
/* Initialize structs */
HDmemset(&fsinfo, 0, sizeof(fsinfo));
HDmemset(&fs_stat, 0, sizeof(fs_stat));
/*
* Only need to settle things if we are persisting free space and
* the private property in f->shared->null_fsm_addr is not enabled.
*/
if (f->shared->fs_persist && !H5F_NULL_FSM_ADDR(f)) {
hbool_t fsm_opened[H5F_MEM_PAGE_NTYPES]; /* State of FSM */
hbool_t fsm_visited[H5F_MEM_PAGE_NTYPES]; /* State of FSM */
/* Sanity check */
HDassert(f->shared->sblock);
/* should only be called if file is opened R/W */
HDassert(H5F_INTENT(f) & H5F_ACC_RDWR);
/* shouldn't be called unless we have a superblock supporting the
* superblock extension.
*/
HDassert(f->shared->sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2);
/* Initialize fsm_opened and fsm_visited */
HDmemset(fsm_opened, 0, sizeof(fsm_opened));
HDmemset(fsm_visited, 0, sizeof(fsm_visited));
/* 1) Reduce the EOA to the extent possible. */
/* a) Free the space in aggregators:
*
* (for space not at EOF, it may be put into free space managers)
*
* Do this now so that the raw data FSM (and any other FSM that isn't
* involved in space allocation for FSMs) will have no further activity.
*
* Note that while the raw data aggregator should not be restarted during
* the close process, this need not be the case for the metadata aggregator.
*
* Note also that the aggregators will not exist if page aggregation
* is enabled -- skip this if so.
*/
/* Vailin -- is this correct? */
if (!H5F_PAGED_AGGR(f) && (H5MF_free_aggrs(f) < 0))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, FAIL, "can't free aggregators")
/* Set the ring type in the DXPL. In most cases, we will
* need H5AC_RING_MDFSM first, so initially set the ring in
* the DXPL to that value. We will alter this later if
* needed.
*/
H5AC_set_ring(H5AC_RING_MDFSM, &orig_ring);
curr_ring = H5AC_RING_MDFSM;
/* b) Free the file space (if any) allocated to each free space manager.
*
* Do this to facilitate reduction of the size of the file to the
* extent possible. We will re-allocate space to free space managers
* that have free space to save after this reduction.
*
* In the case of the raw data free space manager, and any other free
* space manager that does not allocate space for free space managers,
* allocations should be complete at this point, as all raw data should
* have space allocated and be flushed to file by now. Thus we
* can examine such free space managers and only re-allocate space for
* them if they contain free space. Do this later in this function after
* the EOA has been reduced to the extent possible.
*
* For free space managers that allocate file space for free space
* managers (usually just a single metadata free space manager, but for
* now at least, free space managers for different types of metadata
* are possible), the matter is more ticklish due to the self-
* referential nature of the problem. These FSMs are dealt with in
* H5MF_settle_meta_data_fsm().
*
* Since paged allocation may be enabled, there may be up to two
* free space managers per memory type -- one for small and one for
* large allocation. Hence we must loop over the memory types twice
* setting the allocation size accordingly if paged allocation is
* enabled.
*/
for (pass_count = 0; pass_count <= 1; pass_count++) {
if (pass_count == 0)
alloc_size = 1;
else if (H5F_PAGED_AGGR(f))
alloc_size = f->shared->fs_page_size + 1;
else /* no need for a second pass */
break;
for (mem_type = H5FD_MEM_SUPER; mem_type < H5FD_MEM_NTYPES; mem_type++) {
H5MF__alloc_to_fs_type(f->shared, mem_type, alloc_size, &fsm_type);
if (pass_count == 0) { /* this is the first pass */
HDassert(fsm_type > H5F_MEM_PAGE_DEFAULT);
HDassert(fsm_type < H5F_MEM_PAGE_LARGE_SUPER);
} /* end if */
else if (H5F_PAGED_AGGR(f)) { /* page alloc active */
HDassert(fsm_type >= H5F_MEM_PAGE_LARGE_SUPER);
HDassert(fsm_type < H5F_MEM_PAGE_NTYPES);
} /* end else-if */
else /* paged allocation disabled -- should be unreachable */
HDassert(FALSE);
if (!fsm_visited[fsm_type]) {
fsm_visited[fsm_type] = TRUE;
/* If there is no active FSM for this type, but such a FSM has
* space allocated in file, open it so that we can free its file
* space.
*/
if (NULL == f->shared->fs_man[fsm_type]) {
if (H5F_addr_defined(f->shared->fs_addr[fsm_type])) {
/* Sanity check */
HDassert(fsm_opened[fsm_type] == FALSE);
if (H5MF__open_fstype(f, fsm_type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL,
"can't initialize file free space manager")
fsm_opened[fsm_type] = TRUE;
} /* end if */
} /* end if */
if (f->shared->fs_man[fsm_type]) {
/* Test to see if we need to switch rings -- do so if required */
if (H5MF__fsm_type_is_self_referential(f->shared, fsm_type))
needed_ring = H5AC_RING_MDFSM;
else
needed_ring = H5AC_RING_RDFSM;
if (needed_ring != curr_ring) {
H5AC_set_ring(needed_ring, NULL);
curr_ring = needed_ring;
} /* end if */
/* Query free space manager info for this type */
if (H5FS_stat_info(f, f->shared->fs_man[fsm_type], &fs_stat) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't get free-space info")
/* Check if the free space manager has space in the file */
if (H5F_addr_defined(fs_stat.addr) || H5F_addr_defined(fs_stat.sect_addr)) {
/* Delete the free space manager in the file. Will
* reallocate later if the free space manager contains
* any free space.
*/
if (H5FS_free(f, f->shared->fs_man[fsm_type], TRUE) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL,
"can't release free-space headers")
f->shared->fs_addr[fsm_type] = HADDR_UNDEF;
} /* end if */
} /* end if */
/* note that we are tracking opened FSM -- we will close them
* at the end of the function.
*/
} /* end if */
} /* end for */
} /* end for */
/* c) Delete the free space manager superblock extension message
* if allocated.
*
* Must do this since the routine that writes / creates superblock
* extension messages will choke if the target message is
* unexpectedly either absent or present.
*
* Update: This is probably unnecessary, as I gather that the
* file space manager info message is guaranteed to exist.
* Leave it in for now, but consider removing it.
*/
if (H5F_addr_defined(f->shared->sblock->ext_addr))
if (H5F__super_ext_remove_msg(f, H5O_FSINFO_ID) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL,
"error in removing message from superblock extension")
/* As the final element in 1), shrink the EOA for the file */
if (H5MF__close_shrink_eoa(f) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa")
/* 2) Ensure that space is allocated for the free space manager superblock
* extension message. Must do this now, before reallocating file space
* for free space managers, as it is possible that this allocation may
* grab the last section in a FSM -- making it unnecessary to
* re-allocate file space for it.
*
* Do this by writing a free space manager superblock extension message.
*
* Since no free space manager has file space allocated for it, this
* message must be invalid since we can't save addresses of FSMs when
* those addresses are unknown. This is OK -- we will write the correct
* values to the message at free space manager shutdown.
*/
for (fsm_type = H5F_MEM_PAGE_SUPER; fsm_type < H5F_MEM_PAGE_NTYPES; fsm_type++)
fsinfo.fs_addr[fsm_type - 1] = HADDR_UNDEF;
fsinfo.strategy = f->shared->fs_strategy;
fsinfo.persist = f->shared->fs_persist;
fsinfo.threshold = f->shared->fs_threshold;
fsinfo.page_size = f->shared->fs_page_size;
fsinfo.pgend_meta_thres = f->shared->pgend_meta_thres;
fsinfo.eoa_pre_fsm_fsalloc = HADDR_UNDEF;
if (H5F__super_ext_write_msg(f, H5O_FSINFO_ID, &fsinfo, TRUE, H5O_MSG_FLAG_MARK_IF_UNKNOWN) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL,
"error in writing fsinfo message to superblock extension")
/* 3) Scan all free space managers not involved in allocating
* space for free space managers. For each such free space
* manager, test to see if it contains free space. If
* it does, allocate file space for its header and section
* data. If it contains no free space, leave it without
* allocated file space as there is no need to save it to
* file.
*
* Note that all free space managers in this class should
* see no further space allocations / deallocations as
* at this point, all raw data allocations should be
* finalized, as should all metadata allocations not involving
* free space managers.
*
* We will allocate space for free space managers involved
* in the allocation of file space for free space managers
* in H5MF_settle_meta_data_fsm()
*/
/* Reinitialize fsm_visited */
for (fsm_type = H5F_MEM_PAGE_SUPER; fsm_type < H5F_MEM_PAGE_NTYPES; fsm_type++)
fsm_visited[fsm_type] = FALSE;
for (pass_count = 0; pass_count <= 1; pass_count++) {
if (pass_count == 0)
alloc_size = 1;
else if (H5F_PAGED_AGGR(f))
alloc_size = f->shared->fs_page_size + 1;
else /* no need for a second pass */
break;
for (mem_type = H5FD_MEM_SUPER; mem_type < H5FD_MEM_NTYPES; mem_type++) {
H5MF__alloc_to_fs_type(f->shared, mem_type, alloc_size, &fsm_type);
if (pass_count == 0) { /* this is the first pass */
HDassert(fsm_type > H5F_MEM_PAGE_DEFAULT);
HDassert(fsm_type < H5F_MEM_PAGE_LARGE_SUPER);
} /* end if */
else if (H5F_PAGED_AGGR(f)) { /* page alloc active */
HDassert(fsm_type >= H5F_MEM_PAGE_LARGE_SUPER);
HDassert(fsm_type < H5F_MEM_PAGE_NTYPES);
} /* end else-if */
else /* paged allocation disabled -- should be unreachable */
HDassert(FALSE);
/* Test to see if we need to switch rings -- do so if required */
if (H5MF__fsm_type_is_self_referential(f->shared, fsm_type))
needed_ring = H5AC_RING_MDFSM;
else
needed_ring = H5AC_RING_RDFSM;
if (needed_ring != curr_ring) {
H5AC_set_ring(needed_ring, NULL);
curr_ring = needed_ring;
} /* end if */
/* Since there can be a many-to-one mapping from memory types
* to free space managers, ensure that we don't visit any FSM
* more than once.
*/
if (!fsm_visited[fsm_type]) {
fsm_visited[fsm_type] = TRUE;
if (f->shared->fs_man[fsm_type]) {
/* Only allocate file space if the target free space manager
* doesn't allocate file space for free space managers. Note
* that this is also the deciding factor as to whether a FSM
* in in the raw data FSM ring.
*/
if (!H5MF__fsm_type_is_self_referential(f->shared, fsm_type)) {
/* The current ring should be H5AC_RING_RDFSM */
HDassert(curr_ring == H5AC_RING_RDFSM);
/* Query free space manager info for this type */
if (H5FS_stat_info(f, f->shared->fs_man[fsm_type], &fs_stat) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't get free-space info")
/* If the free space manager contains section info,
* allocate space for the header and sinfo (note that
* space must not be allocated at present -- verify
* verify this with assertions).
*/
if (fs_stat.serial_sect_count > 0) {
/* Sanity check */
HDassert(!H5F_addr_defined(fs_stat.addr));
/* Allocate FSM header */
if (H5FS_alloc_hdr(f, f->shared->fs_man[fsm_type],
&f->shared->fs_addr[fsm_type]) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL,
"can't allocated free-space header")
/* Allocate FSM section info */
HDassert(!H5F_addr_defined(fs_stat.sect_addr));
HDassert(fs_stat.alloc_sect_size == 0);
if (H5FS_alloc_sect(f, f->shared->fs_man[fsm_type]) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL,
"can't allocate free-space section info")
#ifndef NDEBUG
/* Re-Query free space manager info for this type */
if (H5FS_stat_info(f, f->shared->fs_man[fsm_type], &fs_stat) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL,
"can't get free-space info")
HDassert(H5F_addr_defined(fs_stat.addr));
HDassert(H5F_addr_defined(fs_stat.sect_addr));
HDassert(fs_stat.serial_sect_count > 0);
HDassert(fs_stat.alloc_sect_size > 0);
HDassert(fs_stat.alloc_sect_size == fs_stat.sect_size);
#endif /* NDEBUG */
} /* end if */
else {
HDassert(!H5F_addr_defined(fs_stat.addr));
HDassert(!H5F_addr_defined(fs_stat.sect_addr));
HDassert(fs_stat.serial_sect_count == 0);
HDassert(fs_stat.alloc_sect_size == 0);
} /* end else */
} /* end if */
} /* end if */
/* Close any opened FSMs */
if (fsm_opened[fsm_type]) {
if (H5MF__close_fstype(f, fsm_type) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL,
"can't close file free space manager")
fsm_opened[fsm_type] = FALSE;
} /* end if */
} /* end if */
} /* end for */
} /* end for */
/* verify that all opened FSMs were closed */
for (fsm_type = H5F_MEM_PAGE_SUPER; fsm_type < H5F_MEM_PAGE_NTYPES; fsm_type++)
HDassert(!fsm_opened[fsm_type]);
/* Indicate that the FSM was settled successfully */
*fsm_settled = TRUE;
} /* end if */
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* H5MF_settle_raw_data_fsm() */
/*-------------------------------------------------------------------------
* Function: H5MF_settle_meta_data_fsm()
*
* Purpose: If the free space manager is persistent, handle any tasks
* required before the metadata cache can serialize or flush
* the metadata free space manager(s) that handle file space
* allocation for free space managers.
*
* In most cases, there will be only one manager assigned
* to this role. However, since for reasons unknown,
* free space manager headers and section info blocks are
* different classes of memory, it is possible that two free
* space managers will be involved.
*
* On entry to this function, the raw data settle routine
* (H5MF_settle_raw_data_fsm()) should have:
*
* 1) Freed the aggregators.
*
* 2) Freed all file space allocated to the free space managers.
*
* 3) Deleted the free space manager superblock extension message
*
* 4) Reduced the EOA to the extent possible.
*
* 5) Re-created the free space manager superblock extension
* message.
*
* 6) Reallocated file space for all non-empty free space
* managers NOT involved in allocation of space for free
* space managers.
*
* Note that these free space managers (if not empty) should
* have been written to file by this point, and that no
* further space allocations involving them should take
* place during file close.
*
* On entry to this routine, the free space manager(s) involved
* in allocation of file space for free space managers should
* still be floating. (i.e. should not have any file space
* allocated to them.)
*
* Similarly, the raw data aggregator should not have been
* restarted. Note that it is probable that reallocation of
* space in 5) and 6) above will have re-started the metadata
* aggregator.
*
*
* In this routine, we proceed as follows:
*
* 1) Verify that the free space manager(s) involved in file
* space allocation for free space managers are still floating.
*
* 2) Free the aggregators.
*
* 3) Reduce the EOA to the extent possible, and make note
* of the resulting value. This value will be stored
* in the fsinfo superblock extension message and be used
* in the subsequent file open.
*
* 4) Re-allocate space for any free space manager(s) that:
*
* a) are involved in allocation of space for free space
* managers, and
*
* b) contain free space.
*
* It is possible that we could allocate space for one
* of these free space manager(s) only to have the allocation
* result in the free space manager being empty and thus
* obliging us to free the space again. Thus there is the
* potential for an infinite loop if we want to avoid saving
* empty free space managers.
*
* Similarly, it is possible that we could allocate space
* for a section info block, only to discover that this
* allocation has changed the size of the section info --
* forcing us to deallocate and start the loop over again.
*
* The solution is to modify the FSM code to
* save empty FSMs to file, and to allow section info blocks
* to be oversized. That is, only allow section info to increase
* in size, not shrink. The solution is now implemented.
*
* 5) Make note of the EOA -- used for sanity checking on
* FSM shutdown. This is saved as eoa_pre_fsm_fsalloc in
* the free-space info message for backward compatibility
* with the 1.10 library that has the hack.
*
* Return: SUCCEED/FAIL
*
* Programmer: John Mainzer
* 5/25/16
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF_settle_meta_data_fsm(H5F_t *f, hbool_t *fsm_settled)
{
H5F_mem_page_t sm_fshdr_fs_type; /* small fs hdr fsm */
H5F_mem_page_t sm_fssinfo_fs_type; /* small fs sinfo fsm */
H5F_mem_page_t lg_fshdr_fs_type = H5F_MEM_PAGE_DEFAULT; /* large fs hdr fsm */
H5F_mem_page_t lg_fssinfo_fs_type = H5F_MEM_PAGE_DEFAULT; /* large fs sinfo fsm */
H5FS_t * sm_hdr_fspace = NULL; /* ptr to sm FSM hdr alloc FSM */
H5FS_t * sm_sinfo_fspace = NULL; /* ptr to sm FSM sinfo alloc FSM */
H5FS_t * lg_hdr_fspace = NULL; /* ptr to lg FSM hdr alloc FSM */
H5FS_t * lg_sinfo_fspace = NULL; /* ptr to lg FSM sinfo alloc FSM */
haddr_t eoa_fsm_fsalloc; /* eoa after file space allocation */
/* for self referential FSMs */
hbool_t continue_alloc_fsm = FALSE; /* Continue allocating addr and sect_addr for FSMs */
H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_TAG(H5AC__FREESPACE_TAG, FAIL)
/* Check args */
HDassert(f);
HDassert(f->shared);
HDassert(fsm_settled);
/*
* Only need to settle things if we are persisting free space and
* the private property in f->shared->null_fsm_addr is not enabled.
*/
if (f->shared->fs_persist && !H5F_NULL_FSM_ADDR(f)) {
/* Sanity check */
HDassert(f->shared->lf);
/* should only be called if file is opened R/W */
HDassert(H5F_INTENT(f) & H5F_ACC_RDWR);
H5MF__alloc_to_fs_type(f->shared, H5FD_MEM_FSPACE_HDR, (size_t)1, &sm_fshdr_fs_type);
H5MF__alloc_to_fs_type(f->shared, H5FD_MEM_FSPACE_SINFO, (size_t)1, &sm_fssinfo_fs_type);
HDassert(sm_fshdr_fs_type > H5F_MEM_PAGE_DEFAULT);
HDassert(sm_fshdr_fs_type < H5F_MEM_PAGE_LARGE_SUPER);
HDassert(sm_fssinfo_fs_type > H5F_MEM_PAGE_DEFAULT);
HDassert(sm_fssinfo_fs_type < H5F_MEM_PAGE_LARGE_SUPER);
HDassert(!H5F_addr_defined(f->shared->fs_addr[sm_fshdr_fs_type]));
HDassert(!H5F_addr_defined(f->shared->fs_addr[sm_fssinfo_fs_type]));
/* Note that in most cases, sm_hdr_fspace will equal sm_sinfo_fspace. */
sm_hdr_fspace = f->shared->fs_man[sm_fshdr_fs_type];
sm_sinfo_fspace = f->shared->fs_man[sm_fssinfo_fs_type];
if (H5F_PAGED_AGGR(f)) {
H5MF__alloc_to_fs_type(f->shared, H5FD_MEM_FSPACE_HDR, f->shared->fs_page_size + 1,
&lg_fshdr_fs_type);
H5MF__alloc_to_fs_type(f->shared, H5FD_MEM_FSPACE_SINFO, f->shared->fs_page_size + 1,
&lg_fssinfo_fs_type);
HDassert(lg_fshdr_fs_type >= H5F_MEM_PAGE_LARGE_SUPER);
HDassert(lg_fshdr_fs_type < H5F_MEM_PAGE_NTYPES);
HDassert(lg_fssinfo_fs_type >= H5F_MEM_PAGE_LARGE_SUPER);
HDassert(lg_fssinfo_fs_type < H5F_MEM_PAGE_NTYPES);
HDassert(!H5F_addr_defined(f->shared->fs_addr[lg_fshdr_fs_type]));
HDassert(!H5F_addr_defined(f->shared->fs_addr[lg_fssinfo_fs_type]));
/* Note that in most cases, lg_hdr_fspace will equal lg_sinfo_fspace. */
lg_hdr_fspace = f->shared->fs_man[lg_fshdr_fs_type];
lg_sinfo_fspace = f->shared->fs_man[lg_fssinfo_fs_type];
} /* end if */
/* Set the ring in the API context appropriately for subsequent calls */
H5AC_set_ring(H5AC_RING_MDFSM, &orig_ring);
#ifndef NDEBUG
{
H5FS_stat_t fs_stat; /* Information for hdr FSM */
if (sm_hdr_fspace) {
/* Query free space manager info for this type */
if (H5FS_stat_info(f, sm_hdr_fspace, &fs_stat) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't get free-space info")
HDassert(!H5F_addr_defined(fs_stat.addr));
HDassert(!H5F_addr_defined(fs_stat.sect_addr));
HDassert(fs_stat.alloc_sect_size == 0);
} /* end if */
/* Verify that sm_sinfo_fspace is floating if it exists and is distinct */
if ((sm_sinfo_fspace) && (sm_hdr_fspace != sm_sinfo_fspace)) {
/* Query free space manager info for this type */
if (H5FS_stat_info(f, sm_sinfo_fspace, &fs_stat) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't get free-space info")
HDassert(!H5F_addr_defined(fs_stat.addr));
HDassert(!H5F_addr_defined(fs_stat.sect_addr));
HDassert(fs_stat.alloc_sect_size == 0);
} /* end if */
if (H5F_PAGED_AGGR(f)) {
/* Verify that lg_hdr_fspace is floating if it exists */
if (lg_hdr_fspace) {
/* Query free space manager info for this type */
if (H5FS_stat_info(f, lg_hdr_fspace, &fs_stat) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't get free-space info (3)")
HDassert(!H5F_addr_defined(fs_stat.addr));
HDassert(!H5F_addr_defined(fs_stat.sect_addr));
HDassert(fs_stat.alloc_sect_size == 0);
} /* end if */
/* Verify that lg_sinfo_fspace is floating if it
* exists and is distinct
*/
if ((lg_sinfo_fspace) && (lg_hdr_fspace != lg_sinfo_fspace)) {
/* Query free space manager info for this type */
if (H5FS_stat_info(f, lg_sinfo_fspace, &fs_stat) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't get free-space info (4)")
HDassert(!H5F_addr_defined(fs_stat.addr));
HDassert(!H5F_addr_defined(fs_stat.sect_addr));
HDassert(fs_stat.alloc_sect_size == 0);
} /* end if */
} /* end if */
}
#endif /* NDEBUG */
/* Free the space in the metadata aggregator. Do this via the
* H5MF_free_aggrs() call. Note that the raw data aggregator must
* have already been freed. Sanity checks for this?
*
* Note that the aggregators will not exist if paged aggregation
* is enabled -- don't attempt to free if this is the case.
*/
/* (for space not at EOF, it may be put into free space managers) */
if ((!H5F_PAGED_AGGR(f)) && (H5MF_free_aggrs(f) < 0))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, FAIL, "can't free aggregators")
/* Trying shrinking the EOA for the file */
if (H5MF__close_shrink_eoa(f) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa")
/* WARNING: This approach settling the self referential free space
* managers and allocating space for them in the file will
* not work as currently implemented with the split and
* multi file drivers, as the self referential free space
* manager header and section info can be stored in up to
* two different files -- requiring that up to two EOA's
* be stored in the the free space managers super block
* extension message.
*
* As of this writing, we are solving this problem by
* simply not supporting persistent FSMs with the split
* and multi file drivers.
*
* Current plans are to do away with the multi file
* driver, so this should be a non-issue in this case.
*
* We should be able to support the split file driver
* without a file format change. However, the code to
* do so does not exist at present.
* NOTE: not sure whether to remove or keep the above comments
*/
/*
* Continue allocating file space for the header and section info until
* they are all settled,
*/
do {
continue_alloc_fsm = FALSE;
if (sm_hdr_fspace)
if (H5FS_vfd_alloc_hdr_and_section_info_if_needed(
f, sm_hdr_fspace, &(f->shared->fs_addr[sm_fshdr_fs_type])) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL, "can't vfd allocate sm hdr FSM file space")
if (sm_sinfo_fspace && (sm_sinfo_fspace != sm_hdr_fspace))
if (H5FS_vfd_alloc_hdr_and_section_info_if_needed(
f, sm_sinfo_fspace, &(f->shared->fs_addr[sm_fssinfo_fs_type])) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL,
"can't vfd allocate sm sinfo FSM file space")
if (H5F_PAGED_AGGR(f)) {
if (lg_hdr_fspace)
if (H5FS_vfd_alloc_hdr_and_section_info_if_needed(
f, lg_hdr_fspace, &(f->shared->fs_addr[lg_fshdr_fs_type])) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL,
"can't vfd allocate lg hdr FSM file space")
if (lg_sinfo_fspace && (lg_sinfo_fspace != lg_hdr_fspace))
if (H5FS_vfd_alloc_hdr_and_section_info_if_needed(
f, lg_sinfo_fspace, &(f->shared->fs_addr[lg_fssinfo_fs_type])) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL,
"can't vfd allocate lg sinfo FSM file space")
} /* end if */
sm_hdr_fspace = f->shared->fs_man[sm_fshdr_fs_type];
sm_sinfo_fspace = f->shared->fs_man[sm_fssinfo_fs_type];
if (H5F_PAGED_AGGR(f)) {
lg_hdr_fspace = f->shared->fs_man[lg_fshdr_fs_type];
lg_sinfo_fspace = f->shared->fs_man[lg_fssinfo_fs_type];
}
if (H5MF__continue_alloc_fsm(f->shared, sm_hdr_fspace, sm_sinfo_fspace, lg_hdr_fspace,
lg_sinfo_fspace, &continue_alloc_fsm) < 0)
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL, "can't vfd allocate lg sinfo FSM file space")
} while (continue_alloc_fsm);
/* All free space managers should have file space allocated for them
* now, and should see no further allocations / deallocations.
* For backward compatibility, store the eoa in f->shared->eoa_fsm_fsalloc
* which will be set to fsinfo.eoa_pre_fsm_fsalloc when we actually write
* the free-space info message to the superblock extension.
* This will allow the 1.10 library with the hack to open the file with
* the new solution.
*/
/* Get the eoa after allocation of file space for the self referential
* free space managers. Assuming no cache image, this should be the
* final EOA of the file.
*/
if (HADDR_UNDEF == (eoa_fsm_fsalloc = H5FD_get_eoa(f->shared->lf, H5FD_MEM_DEFAULT)))
HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get file size")
f->shared->eoa_fsm_fsalloc = eoa_fsm_fsalloc;
/* Indicate that the FSM was settled successfully */
*fsm_settled = TRUE;
} /* end if */
done:
/* Reset the ring in the API context */
if (orig_ring != H5AC_RING_INV)
H5AC_set_ring(orig_ring, NULL);
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* H5MF_settle_meta_data_fsm() */
/*-------------------------------------------------------------------------
* Function: H5MF__continue_alloc_fsm
*
* Purpose: To determine whether any of the input FSMs has allocated
* its "addr" and "sect_addr".
* Return TRUE or FALSE in *continue_alloc_fsm.
*
* Return: SUCCEED/FAIL
*
* Programmer: Vailin Choi
* 6/24/2019
*-------------------------------------------------------------------------
*/
static herr_t
H5MF__continue_alloc_fsm(H5F_shared_t *f_sh, H5FS_t *sm_hdr_fspace, H5FS_t *sm_sinfo_fspace,
H5FS_t *lg_hdr_fspace, H5FS_t *lg_sinfo_fspace, hbool_t *continue_alloc_fsm)
{
FUNC_ENTER_STATIC_NOERR
/* Sanity checks */
HDassert(f_sh);
HDassert(continue_alloc_fsm);
/* Check sm_hdr_fspace */
if (sm_hdr_fspace && sm_hdr_fspace->serial_sect_count > 0 && sm_hdr_fspace->sinfo)
H5MF_CHECK_FSM(sm_hdr_fspace, continue_alloc_fsm);
if (!(*continue_alloc_fsm))
if (sm_sinfo_fspace && sm_sinfo_fspace != sm_hdr_fspace && sm_sinfo_fspace->serial_sect_count > 0 &&
sm_sinfo_fspace->sinfo)
H5MF_CHECK_FSM(sm_hdr_fspace, continue_alloc_fsm);
if (H5F_SHARED_PAGED_AGGR(f_sh) && !(*continue_alloc_fsm)) {
/* Check lg_hdr_fspace */
if (lg_hdr_fspace && lg_hdr_fspace->serial_sect_count > 0 && lg_hdr_fspace->sinfo)
H5MF_CHECK_FSM(lg_hdr_fspace, continue_alloc_fsm);
/* Check lg_sinfo_fspace */
if (!(*continue_alloc_fsm))
if (lg_sinfo_fspace && lg_sinfo_fspace != lg_hdr_fspace &&
lg_sinfo_fspace->serial_sect_count > 0 && lg_sinfo_fspace->sinfo)
H5MF_CHECK_FSM(lg_sinfo_fspace, continue_alloc_fsm);
} /* end if */
FUNC_LEAVE_NOAPI(SUCCEED)
} /* H5MF__continue_alloc_fsm() */
/*-------------------------------------------------------------------------
* Function: H5MF__fsm_type_is_self_referential()
*
* Purpose: Return TRUE if the indicated free space manager allocates
* file space for free space managers. Return FALSE otherwise.
*
* Return: TRUE/FALSE
*
* Programmer: John Mainzer
* 12/6/16
*
*-------------------------------------------------------------------------
*/
static hbool_t
H5MF__fsm_type_is_self_referential(H5F_shared_t *f_sh, H5F_mem_page_t fsm_type)
{
H5F_mem_page_t sm_fshdr_fsm;
H5F_mem_page_t sm_fssinfo_fsm;
H5F_mem_page_t lg_fshdr_fsm;
H5F_mem_page_t lg_fssinfo_fsm;
hbool_t result = FALSE;
FUNC_ENTER_STATIC_NOERR
/* Sanity check */
HDassert(f_sh);
HDassert(fsm_type >= H5F_MEM_PAGE_DEFAULT);
HDassert(fsm_type < H5F_MEM_PAGE_NTYPES);
H5MF__alloc_to_fs_type(f_sh, H5FD_MEM_FSPACE_HDR, (size_t)1, &sm_fshdr_fsm);
H5MF__alloc_to_fs_type(f_sh, H5FD_MEM_FSPACE_SINFO, (size_t)1, &sm_fssinfo_fsm);
if (H5F_SHARED_PAGED_AGGR(f_sh)) {
H5MF__alloc_to_fs_type(f_sh, H5FD_MEM_FSPACE_HDR, f_sh->fs_page_size + 1, &lg_fshdr_fsm);
H5MF__alloc_to_fs_type(f_sh, H5FD_MEM_FSPACE_SINFO, f_sh->fs_page_size + 1, &lg_fssinfo_fsm);
result = (fsm_type == sm_fshdr_fsm) || (fsm_type == sm_fssinfo_fsm) || (fsm_type == lg_fshdr_fsm) ||
(fsm_type == lg_fssinfo_fsm);
} /* end if */
else {
/* In principle, fsm_type should always be less than
* H5F_MEM_PAGE_LARGE_SUPER whenever paged aggregation
* is not enabled. However, since there is code that does
* not observe this principle, force the result to FALSE if
* fsm_type is greater than or equal to H5F_MEM_PAGE_LARGE_SUPER.
*/
if (fsm_type >= H5F_MEM_PAGE_LARGE_SUPER)
result = FALSE;
else
result = (fsm_type == sm_fshdr_fsm) || (fsm_type == sm_fssinfo_fsm);
} /* end else */
FUNC_LEAVE_NOAPI(result)
} /* H5MF__fsm_type_is_self_referential() */
/*-------------------------------------------------------------------------
* Function: H5MF__fsm_is_self_referential()
*
* Purpose: Return TRUE if the indicated free space manager allocates
* file space for free space managers. Return FALSE otherwise.
*
* Return: TRUE/FALSE
*
* Programmer: John Mainzer
* 12/6/16
*
*-------------------------------------------------------------------------
*/
static hbool_t
H5MF__fsm_is_self_referential(H5F_shared_t *f_sh, H5FS_t *fspace)
{
H5F_mem_page_t sm_fshdr_fsm;
H5F_mem_page_t sm_fssinfo_fsm;
hbool_t result = FALSE;
FUNC_ENTER_STATIC_NOERR
/* Sanity check */
HDassert(f_sh);
HDassert(fspace);
H5MF__alloc_to_fs_type(f_sh, H5FD_MEM_FSPACE_HDR, (size_t)1, &sm_fshdr_fsm);
H5MF__alloc_to_fs_type(f_sh, H5FD_MEM_FSPACE_SINFO, (size_t)1, &sm_fssinfo_fsm);
if (H5F_SHARED_PAGED_AGGR(f_sh)) {
H5F_mem_page_t lg_fshdr_fsm;
H5F_mem_page_t lg_fssinfo_fsm;
H5MF__alloc_to_fs_type(f_sh, H5FD_MEM_FSPACE_HDR, f_sh->fs_page_size + 1, &lg_fshdr_fsm);
H5MF__alloc_to_fs_type(f_sh, H5FD_MEM_FSPACE_SINFO, f_sh->fs_page_size + 1, &lg_fssinfo_fsm);
result = (fspace == f_sh->fs_man[sm_fshdr_fsm]) || (fspace == f_sh->fs_man[sm_fssinfo_fsm]) ||
(fspace == f_sh->fs_man[lg_fshdr_fsm]) || (fspace == f_sh->fs_man[lg_fssinfo_fsm]);
} /* end if */
else
result = (fspace == f_sh->fs_man[sm_fshdr_fsm]) || (fspace == f_sh->fs_man[sm_fssinfo_fsm]);
FUNC_LEAVE_NOAPI(result)
} /* H5MF__fsm_is_self_referential() */
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