[svn-r16094] Description:

Add initial support for data block 'page init' bitmasks to super
blocks.

Tested on:
        Mac OS X/32 10.5.5 (amazon) in debug mode
        Mac OS X/32 10.5.5 (amazon) w/C++ & FORTRAN, w/threadsafe,
                                in production mode
        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 production mode
        Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode
This commit is contained in:
Quincey Koziol
2008-11-17 22:42:13 -05:00
parent a28e8407cf
commit a19434caa0
6 changed files with 157 additions and 47 deletions

View File

@@ -407,6 +407,7 @@ func_init_failed: \
+ (s)->hdr->arr_off_size /* Offset of the block in the array */ \
\
/* Extensible Array Super Block specific fields */ \
+ ((s)->ndblks * (s)->dblk_page_init_size) /* Data block 'page init' bitmasks in super block (can be 0 if no pages) */ \
+ ((s)->ndblks * (s)->hdr->sizeof_addr) /* Data block addresses in super block */ \
)
@@ -425,8 +426,10 @@ func_init_failed: \
)
/* Compute the # of bytes required to store an offset into a given buffer size */
#define H5EA_SIZEOF_OFFSET_BITS(b) (((b) + 7) / 8)
#define H5EA_SIZEOF_OFFSET_BITS(b) (((b) + 7) / 8)
/* Compute the first super block index that will hold a certain # of data block pointers */
#define H5EA_SBLK_FIRST_IDX(m) (2 * H5V_log2_of2((uint32_t)m))
/****************************/
/* Package Private Typedefs */
@@ -477,6 +480,9 @@ typedef struct H5EA_hdr_t {
/* Super block information (not stored) */
size_t nsblks; /* Number of superblocks needed for array */
H5EA_sblk_info_t *sblk_info; /* Array of information for each super block */
/* Data block information (not stored) */
size_t dblk_page_nelmts; /* # of elements per data block page */
} H5EA_hdr_t;
/* The extensible array index block information */
@@ -508,7 +514,8 @@ typedef struct H5EA_sblock_t {
/* Extensible array information (stored) */
hsize_t block_off; /* Offset of the block within the array's address space */
haddr_t *dblk_addrs; /* Buffer for addresses of data blocks in super block */
haddr_t *dblk_addrs; /* Addresses of data blocks in super block */
uint8_t *page_init; /* Bitmap of whether a data block page is initialized */
/* Internal array information (not stored) */
size_t rc; /* Reference count of objects using this block */
@@ -520,6 +527,8 @@ typedef struct H5EA_sblock_t {
unsigned idx; /* Super block index within the extensible array */
size_t ndblks; /* # of data block addresses that are in super block */
size_t dblk_nelmts; /* # of elements for data blocks reachable through this super block */
size_t dblk_npages; /* # of pages in each data block */
size_t dblk_page_init_size; /* Size of 'page init' bitmask for each data block */
} H5EA_sblock_t;
/* The extensible array data block information */