summaryrefslogtreecommitdiffstats
path: root/src/H5MF.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/H5MF.c')
-rw-r--r--src/H5MF.c133
1 files changed, 67 insertions, 66 deletions
diff --git a/src/H5MF.c b/src/H5MF.c
index 00d6b28..23f128f 100644
--- a/src/H5MF.c
+++ b/src/H5MF.c
@@ -1251,18 +1251,18 @@ done:
* 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.
+ * raw data free space manager ring.
*
* Specifically, 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.
- * As of this writing, the plan is to move to only two free space
+ * space allocation for free space manager header or section
+ * info will reside in the raw data free space manager ring.
+ * As of this writing, the plan is to move to only two free space
* managers, one for raw data and one for metadata -- which
* means that only the raw data free space manager will reside
* in the free space manager ring. However, this has not been
* fully implemented yet, so this code must support the
* possibilty of multiple metadata free space managers, at most
- * two of which handle free space manager header or section info,
+ * two of which handle free space manager header or section info,
* and thus reside in the metadata free space manager ring.
*
* At present, the task list is:
@@ -1271,20 +1271,20 @@ done:
*
* 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.
+ * 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
@@ -1309,6 +1309,7 @@ done:
* 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
@@ -1348,9 +1349,9 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
/* a) Free the space in aggregators:
*
- * (for space not at EOF, it may be put into free space managers)
+ * (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
+ * 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
@@ -1371,23 +1372,23 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
/* 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
+ * 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 at this point. Thus we
- * can examine such free space managers and only re-allocate space for
+ * 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
+ * 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
+ * referential nature of the problem. These FSMs are dealt with in
* H5MF_settle_meta_data_fsm().
*/
for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) {
@@ -1403,8 +1404,8 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
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
+ /* 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]) {
@@ -1429,8 +1430,8 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
else
needed_ring = H5AC_RING_RDFSM;
if(needed_ring != curr_ring) {
- if(H5AC_set_ring(dxpl_id, needed_ring, &dxpl, &curr_ring)< 0)
- HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSET, FAIL, "unable to set ring value.")
+ if(H5AC_set_ring(dxpl_id, needed_ring, &dxpl, &curr_ring) < 0)
+ HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSET, FAIL, "unable to set ring value")
curr_ring = needed_ring;
} /* end if */
@@ -1456,11 +1457,11 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
} /* end if */
} /* end for */
- /* c) Delete the free space manager superblock extension message
+ /* 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
+ * extension messages will choke if the target message is
* unexpectedly either absent or present.
*/
if(H5F_addr_defined(f->shared->sblock->ext_addr))
@@ -1471,39 +1472,39 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
if(H5MF__close_shrink_eoa(f, dxpl_id) < 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
+
+ /* 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
+ * 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
+ *
+ * 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(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type))
- fsinfo.fs_addr[type-1] = HADDR_UNDEF;
+ for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type))
+ fsinfo.fs_addr[type - 1] = HADDR_UNDEF;
fsinfo.strategy = f->shared->fs_strategy;
fsinfo.threshold = f->shared->fs_threshold;
if(H5F_super_ext_write_msg(f, dxpl_id, H5O_FSINFO_ID, &fsinfo, TRUE, H5O_MSG_NO_FLAGS_SET) < 0)
- HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL, "error in writing message to superblock extension")
+ 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
+ * 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
+ * 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
+ * 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.
*
@@ -1529,11 +1530,11 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
if(needed_ring != curr_ring) {
if(H5AC_set_ring(dxpl_id, needed_ring, &dxpl, &curr_ring)< 0)
- HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSET, FAIL, "unable to set ring value.")
+ HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSET, FAIL, "unable to set ring value")
curr_ring = needed_ring;
} /* end if */
- /* Since there can be a many-to-one mapping from memory types
+ /* 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.
*/
@@ -1555,10 +1556,10 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
/* 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")
+ 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
+ /* 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).
*/
@@ -1600,7 +1601,7 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
/* Close any opened FSMs */
if(fsm_opened[fsm_type]) {
if(H5MF__alloc_close(f, dxpl_id, fsm_type) < 0)
- HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't close file free space manager")
+ HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't close file free space manager")
fsm_opened[fsm_type] = FALSE;
} /* end if */
} /* end if */
@@ -1788,7 +1789,7 @@ H5MF_settle_meta_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
} /* end if */
#endif /* NDEBUG */
- /* Free the space in the metadata aggregator. Do this via the
+ /* 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?
*/
@@ -1802,18 +1803,18 @@ H5MF_settle_meta_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
/* ******************* PROBLEM: ********************
*
- * If the file has an alignement other than 1, and if
- * the EOA is not a multiple of this alignment, allocating sapce
- * for the section via the VFD info has the potential of generating
- * a fragment that will be added to the free space manager. This
+ * If the file has an alignement other than 1, and if
+ * the EOA is not a multiple of this alignment, allocating sapce
+ * for the section via the VFD info has the potential of generating
+ * a fragment that will be added to the free space manager. This
* of course undoes everything we have been doing here.
*
- * Need a way around this. Obvious solution is to force the EOA to
- * be a multiple of the alignment.
+ * Need a way around this. Obvious solution is to force the EOA to
+ * be a multiple of the alignment.
*
* Fortunately, alignment is typically 1, so this is a non-issue in
- * most cases. In cases where the alignment is not 1, for now we
- * have decided to drop the fragment on the floor.
+ * most cases. In cases where the alignment is not 1, for now we
+ * have decided to drop the fragment on the floor.
*
* Eventually, we should fix this by modifying the on disk representations
* of free space managers to allow for empty space, so as to bypass the
@@ -1823,30 +1824,30 @@ H5MF_settle_meta_data_fsm(H5F_t *f, hid_t dxpl_id, hbool_t *fsm_settled)
/* HDassert(f->shared->alignment == 1); */
- /* The free space manager(s) that handle space allocations for free
- * space managers should be settled now, albeit without file space
+ /* The free space manager(s) that handle space allocations for free
+ * space managers should be settled now, albeit without file space
* allocated to them. To avoid the possibility of changing the sizes
- * of their section info blocks, allocate space for them now at the
+ * of their section info blocks, allocate space for them now at the
* end of file via H5FD_alloc().
*
- * In the past, this issue of allocating space without touching the
- * free space managers has been deal with by calling
- * H5MF_aggr_vfd_alloc(), which in turn calls H5MF_aggr_alloc().
- * This is problematic since (if I read the code correctly) it will
- * re-constitute the metadata aggregator, which will add any left
- * over space to one of the free space managers when freed.
+ * In the past, this issue of allocating space without touching the
+ * free space managers has been deal with by calling
+ * H5MF_aggr_vfd_alloc(), which in turn calls H5MF_aggr_alloc().
+ * This is problematic since (if I read the code correctly) it will
+ * re-constitute the metadata aggregator, which will add any leftover
+ * space to one of the free space managers when freed.
*
* This is a non-starter, since the entire objective is to settle the
* free space managers.
*
- * Hence the decision to call H5FD_alloc() directly.
- *
- * As discussed in PROBLEM above, if f->shared->alignment is not 1,
+ * Hence the decision to call H5FD_alloc() directly.
+ *
+ * As discussed in PROBLEM above, if f->shared->alignment is not 1,
* this has the possibility of generating a fragment of file space
* that would typically be inserted into one of the free space managers.
*
* This is isn't good, but due to schedule pressure, we will just drop
- * the fragement on the floor for now.
+ * the fragment on the floor for now.
*/
if(hdr_fspace)
if(H5FS_alloc_vfd_alloc_hdr_and_section_info(f, dxpl_id, hdr_fspace,