diff options
author | Quincey Koziol <koziol@hdfgroup.org> | 2009-06-18 17:49:17 (GMT) |
---|---|---|
committer | Quincey Koziol <koziol@hdfgroup.org> | 2009-06-18 17:49:17 (GMT) |
commit | b1b2c88b2c759bd02b8e24e0f3c43d30b6681a40 (patch) | |
tree | 852a37416b5c585274d38b492f4cb92b53465ac3 /src/H5HFdblock.c | |
parent | b6cfe32b73a7fd3e4c9ace7bcec1e27156db67d3 (diff) | |
download | hdf5-b1b2c88b2c759bd02b8e24e0f3c43d30b6681a40.zip hdf5-b1b2c88b2c759bd02b8e24e0f3c43d30b6681a40.tar.gz hdf5-b1b2c88b2c759bd02b8e24e0f3c43d30b6681a40.tar.bz2 |
[svn-r17084] Description:
Bring r17038-17039,17045,17062 from trunk to 1.8 branch:
Switch fractal heap direct & indirect blocks to use temp. space alloc.
Improvements to metadata accumulator
Tested on:
FreeBSD/32 6.3 (duty) in debug mode
FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode
Linux/32 2.6 (jam) w/PGI compilers, w/C++ & FORTRAN, w/threadsafe,
in debug mode
Linux/64-amd64 2.6 (smirom) w/Intel compilers w/default API=1.6.x,
w/C++ & FORTRAN, in production mode
Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN,
w/szip filter, in production mode
Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN,
in production mode
Linux/64-ia64 2.4 (tg-login3) w/parallel, w/FORTRAN, in debug mode
Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode
Mac OS X/32 10.5.7 (amazon) in debug mode
Mac OS X/32 10.5.7 (amazon) w/C++ & FORTRAN, w/threadsafe,
in production mode
Diffstat (limited to 'src/H5HFdblock.c')
-rw-r--r-- | src/H5HFdblock.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/src/H5HFdblock.c b/src/H5HFdblock.c index a4ce8b2..77b1e33 100644 --- a/src/H5HFdblock.c +++ b/src/H5HFdblock.c @@ -149,8 +149,8 @@ H5HF_man_dblock_create(hid_t dxpl_id, H5HF_hdr_t *hdr, H5HF_indirect_t *par_iblo HDmemset(dblock->blk, 0, dblock->size); #endif /* H5_CLEAR_MEMORY */ - /* Allocate space for the direct block on disk */ - if(HADDR_UNDEF == (dblock_addr = H5MF_alloc(hdr->f, H5FD_MEM_FHEAP_DBLOCK, dxpl_id, (hsize_t)dblock->size))) + /* Allocate [temporary] space for the direct block on disk */ + if(HADDR_UNDEF == (dblock_addr = H5MF_alloc_tmp(hdr->f, (hsize_t)dblock->size))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "file allocation failed for fractal heap direct block") #ifdef QAK HDfprintf(stderr, "%s: direct block address = %a\n", FUNC, dblock_addr); @@ -696,22 +696,26 @@ HDfprintf(stderr, "%s: Done expunging direct block from cache\n", FUNC); #endif /* QAK */ } /* end if */ - /* Release direct block's disk space */ - /* (XXX: Under the best of circumstances, this block's space in the file - * would be freed in the H5AC_expunge_entry() call above (and the - * H5AC__FREE_FILE_SPACE_FLAG used there), but since the direct - * block structure might have a different size on disk than in - * the heap's 'abstract' address space, we would need to set the - * "file_size" field for the direct block structure. In order to - * do that, we'd have to protect/unprotect the direct block and - * that would add a bunch of unnecessary overhead to the process, - * so we just release the file space here, directly. When the - * revised metadata cache is operating, it will "know" the file - * size of each entry in the cache and we can the the - * H5AC_expunge_entry() method. -QAK) - */ - if(H5MF_xfree(f, H5FD_MEM_FHEAP_DBLOCK, dxpl_id, dblock_addr, dblock_size) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTFREE, FAIL, "unable to free fractal heap direct block") + /* Check if the direct block is NOT currently allocated in temp. file space */ + /* (temp. file space does not need to be freed) */ + if(!H5F_IS_TMP_ADDR(f, dblock_addr)) { + /* Release direct block's disk space */ + /* (XXX: Under the best of circumstances, this block's space in the file + * would be freed in the H5AC_expunge_entry() call above (and the + * H5AC__FREE_FILE_SPACE_FLAG used there), but since the direct + * block structure might have a different size on disk than in + * the heap's 'abstract' address space, we would need to set the + * "file_size" field for the direct block structure. In order to + * do that, we'd have to protect/unprotect the direct block and + * that would add a bunch of unnecessary overhead to the process, + * so we just release the file space here, directly. When the + * revised metadata cache is operating, it will "know" the file + * size of each entry in the cache and we can the the + * H5AC_expunge_entry() method. -QAK) + */ + if(H5MF_xfree(f, H5FD_MEM_FHEAP_DBLOCK, dxpl_id, dblock_addr, dblock_size) < 0) + HGOTO_ERROR(H5E_HEAP, H5E_CANTFREE, FAIL, "unable to free fractal heap direct block") + } /* end if */ done: FUNC_LEAVE_NOAPI(ret_value) |