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authorQuincey Koziol <koziol@hdfgroup.org>2015-06-18 00:58:49 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2015-06-18 00:58:49 (GMT)
commitf30ab55f41296667eab0b273132ffc20c4323717 (patch)
tree2fd6a85b7c15e3505e308e21b41e67297cc58508 /src/H5FAcache.c
parent6e9e9e0dd200979642de8d2a2bce2f66f9728237 (diff)
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[svn-r27237] Description:
Merge v3 metadata cache changes to trunk. Yay! :-) Tested on: MacOSX/64 10.10.3 (amazon) w/serial & parallel Linux/32 2.6.x (jam) w/serial & parallel (daily tested on branch)
Diffstat (limited to 'src/H5FAcache.c')
-rw-r--r--src/H5FAcache.c1099
1 files changed, 496 insertions, 603 deletions
diff --git a/src/H5FAcache.c b/src/H5FAcache.c
index 9a1fc57..298eb56 100644
--- a/src/H5FAcache.c
+++ b/src/H5FAcache.c
@@ -55,11 +55,6 @@
#define H5FA_HDR_VERSION 0 /* Header */
#define H5FA_DBLOCK_VERSION 0 /* Data block */
-/* Size of stack buffer for serialization buffers */
-#define H5FA_HDR_BUF_SIZE 512
-#define H5FA_DBLOCK_BUF_SIZE 512
-#define H5FA_DBLK_PAGE_BUF_SIZE 512
-
/******************/
/* Local Typedefs */
@@ -76,23 +71,35 @@
/********************/
/* Metadata cache (H5AC) callbacks */
-static H5FA_hdr_t *H5FA__cache_hdr_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *udata);
-static herr_t H5FA__cache_hdr_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5FA_hdr_t *hdr, unsigned * flags_ptr);
-static herr_t H5FA__cache_hdr_clear(H5F_t *f, H5FA_hdr_t *hdr, hbool_t destroy);
-static herr_t H5FA__cache_hdr_size(const H5F_t *f, const H5FA_hdr_t *hdr, size_t *size_ptr);
-static herr_t H5FA__cache_hdr_dest(H5F_t *f, H5FA_hdr_t *hdr);
-
-static H5FA_dblock_t *H5FA__cache_dblock_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *udata);
-static herr_t H5FA__cache_dblock_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5FA_dblock_t *dblock, unsigned * flags_ptr);
-static herr_t H5FA__cache_dblock_clear(H5F_t *f, H5FA_dblock_t *dblock, hbool_t destroy);
-static herr_t H5FA__cache_dblock_size(const H5F_t *f, const H5FA_dblock_t *dblock, size_t *size_ptr);
-static herr_t H5FA__cache_dblock_dest(H5F_t *f, H5FA_dblock_t *dblock);
-
-static H5FA_dblk_page_t *H5FA__cache_dblk_page_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *udata);
-static herr_t H5FA__cache_dblk_page_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5FA_dblk_page_t *dblk_page, unsigned * flags_ptr);
-static herr_t H5FA__cache_dblk_page_clear(H5F_t *f, H5FA_dblk_page_t *dblk_page, hbool_t destroy);
-static herr_t H5FA__cache_dblk_page_size(const H5F_t *f, const H5FA_dblk_page_t *dblk_page, size_t *size_ptr);
-static herr_t H5FA__cache_dblk_page_dest(H5F_t *f, H5FA_dblk_page_t *dblk_page);
+static herr_t H5FA__cache_hdr_get_load_size(const void *udata, size_t *image_len);
+static void *H5FA__cache_hdr_deserialize(const void *image, size_t len,
+ void *udata, hbool_t *dirty);
+static herr_t H5FA__cache_hdr_image_len(const void *thing, size_t *image_len,
+ hbool_t *compressed_ptr, size_t *compressed_image_len_ptr);
+static herr_t H5FA__cache_hdr_serialize(const H5F_t *f, void *image, size_t len,
+ void *thing);
+static herr_t H5FA__cache_hdr_free_icr(void *thing);
+
+static herr_t H5FA__cache_dblock_get_load_size(const void *udata, size_t *image_len);
+static void *H5FA__cache_dblock_deserialize(const void *image, size_t len,
+ void *udata, hbool_t *dirty);
+static herr_t H5FA__cache_dblock_image_len(const void *thing,
+ size_t *image_len, hbool_t *compressed_ptr,
+ size_t *compressed_image_len_ptr);
+static herr_t H5FA__cache_dblock_serialize(const H5F_t *f, void *image, size_t len,
+ void *thing);
+static herr_t H5FA__cache_dblock_free_icr(void *thing);
+static herr_t H5FA__cache_dblock_fsf_size(const void *thing, size_t *fsf_size);
+
+static herr_t H5FA__cache_dblk_page_get_load_size(const void *udata, size_t *image_len);
+static void *H5FA__cache_dblk_page_deserialize(const void *image, size_t len,
+ void *udata, hbool_t *dirty);
+static herr_t H5FA__cache_dblk_page_image_len(const void *thing,
+ size_t *image_len, hbool_t *compressed_ptr,
+ size_t *compressed_image_len_ptr);
+static herr_t H5FA__cache_dblk_page_serialize(const H5F_t *f, void *image, size_t len,
+ void *thing);
+static herr_t H5FA__cache_dblk_page_free_icr(void *thing);
/*********************/
@@ -101,36 +108,53 @@ static herr_t H5FA__cache_dblk_page_dest(H5F_t *f, H5FA_dblk_page_t *dblk_page);
/* H5FA header inherits cache-like properties from H5AC */
const H5AC_class_t H5AC_FARRAY_HDR[1] = {{
- H5AC_FARRAY_HDR_ID,
- (H5AC_load_func_t)H5FA__cache_hdr_load,
- (H5AC_flush_func_t)H5FA__cache_hdr_flush,
- (H5AC_dest_func_t)H5FA__cache_hdr_dest,
- (H5AC_clear_func_t)H5FA__cache_hdr_clear,
- (H5AC_notify_func_t)NULL,
- (H5AC_size_func_t)H5FA__cache_hdr_size,
+ H5AC_FARRAY_HDR_ID, /* Metadata client ID */
+ "Fixed-array Header", /* Metadata client name (for debugging) */
+ H5FD_MEM_FARRAY_HDR, /* File space memory type for client */
+ H5AC__CLASS_NO_FLAGS_SET, /* Client class behavior flags */
+ H5FA__cache_hdr_get_load_size, /* 'get_load_size' callback */
+ H5FA__cache_hdr_deserialize, /* 'deserialize' callback */
+ H5FA__cache_hdr_image_len, /* 'image_len' callback */
+ NULL, /* 'pre_serialize' callback */
+ H5FA__cache_hdr_serialize, /* 'serialize' callback */
+ NULL, /* 'notify' callback */
+ H5FA__cache_hdr_free_icr, /* 'free_icr' callback */
+ NULL, /* 'clear' callback */
+ NULL, /* 'fsf_size' callback */
}};
-
/* H5FA data block inherits cache-like properties from H5AC */
const H5AC_class_t H5AC_FARRAY_DBLOCK[1] = {{
- H5AC_FARRAY_DBLOCK_ID,
- (H5AC_load_func_t)H5FA__cache_dblock_load,
- (H5AC_flush_func_t)H5FA__cache_dblock_flush,
- (H5AC_dest_func_t)H5FA__cache_dblock_dest,
- (H5AC_clear_func_t)H5FA__cache_dblock_clear,
- (H5AC_notify_func_t)NULL,
- (H5AC_size_func_t)H5FA__cache_dblock_size,
+ H5AC_FARRAY_DBLOCK_ID, /* Metadata client ID */
+ "Fixed Array Data Block", /* Metadata client name (for debugging) */
+ H5FD_MEM_FARRAY_DBLOCK, /* File space memory type for client */
+ H5AC__CLASS_NO_FLAGS_SET, /* Client class behavior flags */
+ H5FA__cache_dblock_get_load_size, /* 'get_load_size' callback */
+ H5FA__cache_dblock_deserialize, /* 'deserialize' callback */
+ H5FA__cache_dblock_image_len, /* 'image_len' callback */
+ NULL, /* 'pre_serialize' callback */
+ H5FA__cache_dblock_serialize, /* 'serialize' callback */
+ NULL, /* 'notify' callback */
+ H5FA__cache_dblock_free_icr, /* 'free_icr' callback */
+ NULL, /* 'clear' callback */
+ H5FA__cache_dblock_fsf_size, /* 'fsf_size' callback */
}};
/* H5FA data block page inherits cache-like properties from H5AC */
const H5AC_class_t H5AC_FARRAY_DBLK_PAGE[1] = {{
- H5AC_FARRAY_DBLK_PAGE_ID,
- (H5AC_load_func_t)H5FA__cache_dblk_page_load,
- (H5AC_flush_func_t)H5FA__cache_dblk_page_flush,
- (H5AC_dest_func_t)H5FA__cache_dblk_page_dest,
- (H5AC_clear_func_t)H5FA__cache_dblk_page_clear,
- (H5AC_notify_func_t)NULL,
- (H5AC_size_func_t)H5FA__cache_dblk_page_size,
+ H5AC_FARRAY_DBLK_PAGE_ID, /* Metadata client ID */
+ "Fixed Array Data Block Page", /* Metadata client name (for debugging) */
+ H5FD_MEM_FARRAY_DBLK_PAGE, /* File space memory type for client */
+ H5AC__CLASS_NO_FLAGS_SET, /* Client class behavior flags */
+ H5FA__cache_dblk_page_get_load_size, /* 'get_load_size' callback */
+ H5FA__cache_dblk_page_deserialize, /* 'deserialize' callback */
+ H5FA__cache_dblk_page_image_len, /* 'image_len' callback */
+ NULL, /* 'pre_serialize' callback */
+ H5FA__cache_dblk_page_serialize, /* 'serialize' callback */
+ NULL, /* 'notify' callback */
+ H5FA__cache_dblk_page_free_icr, /* 'free_icr' callback */
+ NULL, /* 'clear' callback */
+ NULL, /* 'fsf_size' callback */
}};
@@ -146,88 +170,101 @@ const H5AC_class_t H5AC_FARRAY_DBLK_PAGE[1] = {{
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_hdr_load
+ * Function: H5FA__cache_hdr_get_load_size
+ *
+ * Purpose: Compute the size of the data structure on disk.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * July 31, 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+BEGIN_FUNC(STATIC, NOERR,
+herr_t, SUCCEED, -,
+H5FA__cache_hdr_get_load_size(const void *_udata, size_t *image_len))
+
+ /* Local variables */
+ const H5FA_hdr_cache_ud_t *udata = (const H5FA_hdr_cache_ud_t *)_udata; /* User data for callback */
+
+ /* Check arguments */
+ HDassert(udata);
+ HDassert(udata->f);
+ HDassert(image_len);
+
+ /* Set the image length size */
+ *image_len = (size_t)H5FA_HEADER_SIZE_FILE(udata->f);
+
+END_FUNC(STATIC) /* end H5FA__cache_hdr_get_load_size() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FA__cache_hdr_deserialize
*
- * Purpose: Loads a fixed array header from the disk.
+ * Purpose: Loads a data structure from the disk.
*
- * Return: Success: Pointer to a new fixed array
+ * Return: Success: Pointer to a new B-tree.
* Failure: NULL
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 12, 2013
*
*-------------------------------------------------------------------------
*/
BEGIN_FUNC(STATIC, ERR,
-H5FA_hdr_t *, NULL, NULL,
-H5FA__cache_hdr_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *udata))
+void *, NULL, NULL,
+H5FA__cache_hdr_deserialize(const void *_image, size_t len,
+ void *_udata, hbool_t H5_ATTR_UNUSED *dirty))
/* Local variables */
H5FA_cls_id_t id; /* ID of fixed array class, as found in file */
H5FA_hdr_t *hdr = NULL; /* Fixed array info */
- size_t size; /* Header size */
- H5WB_t *wb = NULL; /* Wrapped buffer for header data */
- uint8_t hdr_buf[H5FA_HDR_BUF_SIZE]; /* Buffer for header */
- uint8_t *buf; /* Pointer to header buffer */
- const uint8_t *p; /* Pointer into raw data buffer */
+ H5FA_hdr_cache_ud_t *udata = (H5FA_hdr_cache_ud_t *)_udata;
+ const uint8_t *image = (const uint8_t *)_image; /* Pointer into raw data buffer */
uint32_t stored_chksum; /* Stored metadata checksum value */
uint32_t computed_chksum; /* Computed metadata checksum value */
/* Check arguments */
- HDassert(f);
- HDassert(H5F_addr_defined(addr));
+ HDassert(udata);
+ HDassert(udata->f);
+ HDassert(H5F_addr_defined(udata->addr));
/* Allocate space for the fixed array data structure */
- if(NULL == (hdr = H5FA__hdr_alloc(f)))
+ if(NULL == (hdr = H5FA__hdr_alloc(udata->f)))
H5E_THROW(H5E_CANTALLOC, "memory allocation failed for fixed array shared header")
/* Set the fixed array header's address */
- hdr->addr = addr;
-
- /* Wrap the local buffer for serialized info */
- if(NULL == (wb = H5WB_wrap(hdr_buf, sizeof(hdr_buf))))
- H5E_THROW(H5E_CANTINIT, "can't wrap buffer")
-
- /* Compute the 'base' size of the fixed array header on disk */
- size = H5FA_HEADER_SIZE_HDR(hdr);
-
- /* Get a pointer to a buffer that's large enough for serialized header */
- if(NULL == (buf = (uint8_t *)H5WB_actual(wb, size)))
- H5E_THROW(H5E_CANTGET, "can't get actual buffer")
-
- /* Read header from disk */
- if(H5F_block_read(f, H5FD_MEM_FARRAY_HDR, addr, size, dxpl_id, buf) < 0)
- H5E_THROW(H5E_READERROR, "can't read fixed array header")
-
- /* Get temporary pointer to serialized header */
- p = buf;
+ hdr->addr = udata->addr;
/* Magic number */
- if(HDmemcmp(p, H5FA_HDR_MAGIC, (size_t)H5_SIZEOF_MAGIC))
+ if(HDmemcmp(image, H5FA_HDR_MAGIC, (size_t)H5_SIZEOF_MAGIC))
H5E_THROW(H5E_BADVALUE, "wrong fixed array header signature")
- p += H5_SIZEOF_MAGIC;
+ image += H5_SIZEOF_MAGIC;
/* Version */
- if(*p++ != H5FA_HDR_VERSION)
+ if(*image++ != H5FA_HDR_VERSION)
H5E_THROW(H5E_VERSION, "wrong fixed array header version")
/* Fixed array class */
- id = (H5FA_cls_id_t)*p++;
+ id = (H5FA_cls_id_t)*image++;
if(id >= H5FA_NUM_CLS_ID)
H5E_THROW(H5E_BADTYPE, "incorrect fixed array class")
hdr->cparam.cls = H5FA_client_class_g[id];
/* General array creation/configuration information */
- hdr->cparam.raw_elmt_size = *p++; /* Element size in file (in bytes) */
- hdr->cparam.max_dblk_page_nelmts_bits = *p++; /* Log2(Max. # of elements in data block page) -
- i.e. # of bits needed to store max. # of
- elements in data block page. */
+ hdr->cparam.raw_elmt_size = *image++; /* Element size in file (in bytes) */
+ hdr->cparam.max_dblk_page_nelmts_bits = *image++; /* Log2(Max. # of elements in data block page) -
+ i.e. # of bits needed to store max. # of
+ elements in data block page. */
/* Array statistics */
- H5F_DECODE_LENGTH(f, p, hdr->cparam.nelmts); /* Number of elements */
+ H5F_DECODE_LENGTH(udata->f, image, hdr->cparam.nelmts); /* Number of elements */
/* Internal information */
- H5F_addr_decode(f, &p, &hdr->dblk_addr); /* Address of index block */
+ H5F_addr_decode(udata->f, &image, &hdr->dblk_addr); /* Address of index block */
/* Check for data block */
if(H5F_addr_defined(hdr->dblk_addr)) {
@@ -250,26 +287,26 @@ H5FA__cache_hdr_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *udata))
/* Sanity check */
/* (allow for checksum not decoded yet) */
- HDassert((size_t)(p - buf) == (size - H5FA_SIZEOF_CHKSUM));
+ HDassert((size_t)(image - (const uint8_t *)_image) == (len - H5FA_SIZEOF_CHKSUM));
/* Compute checksum on entire header */
/* (including the filter information, if present) */
- computed_chksum = H5_checksum_metadata(buf, (size_t)(p - buf), 0);
+ computed_chksum = H5_checksum_metadata(_image, (size_t)(image - (const uint8_t *)_image), 0);
/* Metadata checksum */
- UINT32DECODE(p, stored_chksum);
+ UINT32DECODE(image, stored_chksum);
/* Sanity check */
- HDassert((size_t)(p - buf) == size);
+ HDassert((size_t)(image - (const uint8_t *)_image) == len);
/* Verify checksum */
if(stored_chksum != computed_chksum)
H5E_THROW(H5E_BADVALUE, "incorrect metadata checksum for fixed array header")
/* Finish initializing fixed array header */
- if(H5FA__hdr_init(hdr, udata) < 0)
+ if(H5FA__hdr_init(hdr, udata->ctx_udata) < 0)
H5E_THROW(H5E_CANTINIT, "initialization failed for fixed array header")
- HDassert(hdr->size == size);
+ HDassert(hdr->size == len);
/* Set return value */
ret_value = hdr;
@@ -277,326 +314,277 @@ H5FA__cache_hdr_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *udata))
CATCH
/* Release resources */
- if(wb && H5WB_unwrap(wb) < 0)
- H5E_THROW(H5E_CLOSEERROR, "can't close wrapped buffer")
if(!ret_value)
if(hdr && H5FA__hdr_dest(hdr) < 0)
H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array header")
-END_FUNC(STATIC) /* end H5FA__cache_hdr_load() */
+END_FUNC(STATIC) /* end H5FA__cache_hdr_deserialize() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_hdr_flush
+ * Function: H5FA__cache_hdr_image_len
*
- * Purpose: Flushes a dirty fixed array header to disk.
+ * Purpose: Compute the size of the data structure on disk.
*
- * Return: Non-negative on success/Negative on failure
+ * Return: Non-negative on success/Negative on failure
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 12, 2013
*
*-------------------------------------------------------------------------
*/
-BEGIN_FUNC(STATIC, ERR,
-herr_t, SUCCEED, FAIL,
-H5FA__cache_hdr_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr,
- H5FA_hdr_t *hdr, unsigned H5_ATTR_UNUSED * flags_ptr))
+BEGIN_FUNC(STATIC, NOERR,
+herr_t, SUCCEED, -,
+H5FA__cache_hdr_image_len(const void *_thing, size_t *image_len,
+ hbool_t H5_ATTR_UNUSED *compressed_ptr, size_t H5_ATTR_UNUSED *compressed_image_len_ptr))
- H5WB_t *wb = NULL; /* Wrapped buffer for header data */
- uint8_t hdr_buf[H5FA_HDR_BUF_SIZE]; /* Buffer for header */
+ /* Local variables */
+ const H5FA_hdr_t *hdr = (const H5FA_hdr_t *)_thing; /* Pointer to the object */
- /* check arguments */
- HDassert(f);
- HDassert(H5F_addr_defined(addr));
+ /* Check arguments */
HDassert(hdr);
+ HDassert(image_len);
- if(hdr->cache_info.is_dirty) {
- uint8_t *buf; /* Temporary raw data buffer */
- uint8_t *p; /* Pointer into raw data buffer */
- size_t size; /* Header size on disk */
- uint32_t metadata_chksum; /* Computed metadata checksum value */
-
- /* Wrap the local buffer for serialized header info */
- if(NULL == (wb = H5WB_wrap(hdr_buf, sizeof(hdr_buf))))
- H5E_THROW(H5E_CANTINIT, "can't wrap buffer")
-
- /* Compute the size of the array header on disk */
- size = hdr->size;
-
- /* Get a pointer to a buffer that's large enough for serialized header */
- if(NULL == (buf = (uint8_t *)H5WB_actual(wb, size)))
- H5E_THROW(H5E_CANTGET, "can't get actual buffer")
-
- /* Get temporary pointer to serialized header */
- p = buf;
+ /* Set the image length size */
+ *image_len = hdr->size;
- /* Magic number */
- HDmemcpy(p, H5FA_HDR_MAGIC, (size_t)H5_SIZEOF_MAGIC);
- p += H5_SIZEOF_MAGIC;
+END_FUNC(STATIC) /* end H5FA__cache_hdr_image_len() */
- /* Version # */
- *p++ = H5FA_HDR_VERSION;
+
+/*-------------------------------------------------------------------------
+ * Function: H5FA__cache_hdr_serialize
+ *
+ * Purpose: Flushes a dirty object to disk.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 12, 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+BEGIN_FUNC(STATIC, NOERR,
+herr_t, SUCCEED, -,
+H5FA__cache_hdr_serialize(const H5F_t *f, void *_image, size_t H5_ATTR_UNUSED len,
+ void *_thing))
- /* Fixed array type */
- *p++ = hdr->cparam.cls->id;
+ /* Local variables */
+ H5FA_hdr_t *hdr = (H5FA_hdr_t *)_thing; /* Pointer to the fixed array header */
+ uint8_t *image = (uint8_t *)_image; /* Pointer into raw data buffer */
+ uint32_t metadata_chksum; /* Computed metadata checksum value */
- /* General array creation/configuration information */
- *p++ = hdr->cparam.raw_elmt_size; /* Element size in file (in bytes) */
- *p++ = hdr->cparam.max_dblk_page_nelmts_bits; /* Log2(Max. # of elements in data block page) - i.e. # of bits needed to store max. # of elements in data block page */
+ /* check arguments */
+ HDassert(f);
+ HDassert(image);
+ HDassert(hdr);
- /* Array statistics */
- H5F_ENCODE_LENGTH(f, p, hdr->stats.nelmts); /* Number of elements for the fixed array */
+ /* Magic number */
+ HDmemcpy(image, H5FA_HDR_MAGIC, (size_t)H5_SIZEOF_MAGIC);
+ image += H5_SIZEOF_MAGIC;
- /* Internal information */
- H5F_addr_encode(f, &p, hdr->dblk_addr); /* Address of fixed array data block */
+ /* Version # */
+ *image++ = H5FA_HDR_VERSION;
- /* Compute metadata checksum */
- metadata_chksum = H5_checksum_metadata(buf, (size_t)(p - buf), 0);
+ /* Fixed array type */
+ *image++ = hdr->cparam.cls->id;
- /* Metadata checksum */
- UINT32ENCODE(p, metadata_chksum);
+ /* General array creation/configuration information */
+ *image++ = hdr->cparam.raw_elmt_size; /* Element size in file (in bytes) */
+ *image++ = hdr->cparam.max_dblk_page_nelmts_bits; /* Log2(Max. # of elements in data block page) - i.e. # of bits needed to store max. # of elements in data block page */
- /* Write the array header. */
- HDassert((size_t)(p - buf) == size);
- if(H5F_block_write(f, H5FD_MEM_FARRAY_HDR, addr, size, dxpl_id, buf) < 0)
- H5E_THROW(H5E_WRITEERROR, "unable to save fixed array header to disk")
+ /* Array statistics */
+ H5F_ENCODE_LENGTH(f, image, hdr->stats.nelmts); /* Number of elements for the fixed array */
- hdr->cache_info.is_dirty = FALSE;
- } /* end if */
+ /* Internal information */
+ H5F_addr_encode(f, &image, hdr->dblk_addr); /* Address of fixed array data block */
- if(destroy)
- if(H5FA__cache_hdr_dest(f, hdr) < 0)
- H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array header")
+ /* Compute metadata checksum */
+ metadata_chksum = H5_checksum_metadata(_image, (size_t)(image - (uint8_t *)_image), 0);
-CATCH
+ /* Metadata checksum */
+ UINT32ENCODE(image, metadata_chksum);
- /* Release resources */
- if(wb && H5WB_unwrap(wb) < 0)
- H5E_THROW(H5E_CLOSEERROR, "can't close wrapped buffer")
+ /* Sanity check */
+ HDassert((size_t)(image - (uint8_t *)_image) <= len);
-END_FUNC(STATIC) /* end H5FA__cache_hdr_flush() */
+END_FUNC(STATIC) /* end H5FA__cache_hdr_serialize() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_hdr_clear
+ * Function: H5FA__cache_hdr_free_icr
*
- * Purpose: Mark a fixed array header in memory as non-dirty.
+ * Purpose: Destroy/release an "in core representation" of a data
+ * structure
*
* Return: Non-negative on success/Negative on failure
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 12, 2013
*
*-------------------------------------------------------------------------
*/
BEGIN_FUNC(STATIC, ERR,
herr_t, SUCCEED, FAIL,
-H5FA__cache_hdr_clear(H5F_t *f, H5FA_hdr_t *hdr, hbool_t destroy))
-
- /* Sanity check */
- HDassert(hdr);
+H5FA__cache_hdr_free_icr(void *thing))
- /* Reset the dirty flag. */
- hdr->cache_info.is_dirty = FALSE;
+ /* Check arguments */
+ HDassert(thing);
- if(destroy)
- if(H5FA__cache_hdr_dest(f, hdr) < 0)
- H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array header")
+ /* Release the extensible array header */
+ if(H5FA__hdr_dest((H5FA_hdr_t *)thing) < 0)
+ H5E_THROW(H5E_CANTFREE, "can't free fixed array header")
CATCH
-END_FUNC(STATIC) /* end H5FA__cache_hdr_clear() */
+END_FUNC(STATIC) /* end H5FA__cache_hdr_free_icr() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_hdr_size
+ * Function: H5FA__cache_dblock_get_load_size
*
- * Purpose: Compute the size in bytes of a fixed array header
- * on disk, and return it in *size_ptr. On failure,
- * the value of *size_ptr is undefined.
+ * Purpose: Compute the size of the data structure on disk.
*
- * Return: Non-negative on success/Negative on failure
+ * Return: Non-negative on success/Negative on failure
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 12, 2013
*
*-------------------------------------------------------------------------
*/
-/* ARGSUSED */
BEGIN_FUNC(STATIC, NOERR,
herr_t, SUCCEED, -,
-H5FA__cache_hdr_size(const H5F_t H5_ATTR_UNUSED *f, const H5FA_hdr_t *hdr,
- size_t *size_ptr))
-
- /* Sanity check */
- HDassert(f);
- HDassert(hdr);
- HDassert(size_ptr);
-
- /* Set size value */
- *size_ptr = hdr->size;
-
-END_FUNC(STATIC) /* end H5FA__cache_hdr_size() */
+H5FA__cache_dblock_get_load_size(const void *_udata, size_t *image_len))
-
-/*-------------------------------------------------------------------------
- * Function: H5FA__cache_hdr_dest
- *
- * Purpose: Destroys a fixed array header in memory.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
- *
- *-------------------------------------------------------------------------
- */
-/* ARGSUSED */
-BEGIN_FUNC(STATIC, ERR,
-herr_t, SUCCEED, FAIL,
-H5FA__cache_hdr_dest(H5F_t *f, H5FA_hdr_t *hdr))
+ /* Local variables */
+ const H5FA_dblock_cache_ud_t *udata = (const H5FA_dblock_cache_ud_t *)_udata; /* User data */
+ H5FA_dblock_t dblock; /* Fake data block for computing size */
+ size_t dblk_page_nelmts; /* # of elements per data block page */
/* Check arguments */
- HDassert(f);
- HDassert(hdr);
-
- /* Verify that header is clean */
- HDassert(hdr->cache_info.is_dirty == FALSE);
-
- /* If we're going to free the space on disk, the address must be valid */
- HDassert(!hdr->cache_info.free_file_space_on_destroy || H5F_addr_defined(hdr->cache_info.addr));
-
- /* Check for freeing file space for fixed array header */
- if(hdr->cache_info.free_file_space_on_destroy) {
- /* Sanity check address */
- HDassert(H5F_addr_eq(hdr->addr, hdr->cache_info.addr));
-
- /* Release the space on disk */
- /* (XXX: Nasty usage of internal DXPL value! -QAK) */
- if(H5MF_xfree(f, H5FD_MEM_FARRAY_HDR, H5AC_dxpl_id, hdr->cache_info.addr, (hsize_t)hdr->size) < 0)
- H5E_THROW(H5E_CANTFREE, "unable to free fixed array header")
+ HDassert(udata);
+ HDassert(udata->hdr);
+ HDassert(image_len);
+
+ /* Set up fake data block for computing size on disk */
+ /* (Note: extracted from H5FA__dblock_alloc) */
+ HDmemset(&dblock, 0, sizeof(dblock));
+
+ /* Set up fake data block for computing size on disk
+ *
+ * need: dblock->hdr
+ * dblock->npages
+ * dblock->dblk_page_init_size
+ */
+
+ dblock.hdr = udata->hdr;
+ dblk_page_nelmts = (size_t)1 << udata->hdr->cparam.max_dblk_page_nelmts_bits;
+ if(udata->hdr->cparam.nelmts > dblk_page_nelmts) {
+ dblock.npages = (size_t)(((udata->hdr->cparam.nelmts + dblk_page_nelmts) - 1) / dblk_page_nelmts);
+ dblock.dblk_page_init_size = (dblock.npages + 7) / 8;
} /* end if */
- /* Release the fixed array header */
- if(H5FA__hdr_dest(hdr) < 0)
- H5E_THROW(H5E_CANTFREE, "can't free fixed array header")
-
-CATCH
+ /* Set the image length size */
+ if(!dblock.npages)
+ *image_len = (size_t)H5FA_DBLOCK_SIZE(&dblock);
+ else
+ *image_len = (size_t)H5FA_DBLOCK_PREFIX_SIZE(&dblock);
-END_FUNC(STATIC) /* end H5FA__cache_hdr_dest() */
+END_FUNC(STATIC) /* end H5FA__cache_dblock_get_load_size() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_dblock_load
+ * Function: H5FA__cache_dblock_deserialize
*
- * Purpose: Loads a fixed array data block from the disk.
+ * Purpose: Loads a data structure from the disk.
*
- * Return: Success: Pointer to a new fixed array data block
+ * Return: Success: Pointer to a new B-tree.
* Failure: NULL
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 14, 2013
*
*-------------------------------------------------------------------------
*/
BEGIN_FUNC(STATIC, ERR,
-H5FA_dblock_t *, NULL, NULL,
-H5FA__cache_dblock_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_udata))
+void *, NULL, NULL,
+H5FA__cache_dblock_deserialize(const void *_image, size_t len,
+ void *_udata, hbool_t H5_ATTR_UNUSED *dirty))
/* Local variables */
H5FA_dblock_t *dblock = NULL; /* Data block info */
H5FA_dblock_cache_ud_t *udata = (H5FA_dblock_cache_ud_t *)_udata; /* User data for loading data block */
- size_t size; /* Data block size */
- H5WB_t *wb = NULL; /* Wrapped buffer for data block data */
- uint8_t dblock_buf[H5FA_DBLOCK_BUF_SIZE]; /* Buffer for data block */
- uint8_t *buf; /* Pointer to data block buffer */
- const uint8_t *p; /* Pointer into raw data buffer */
+ const uint8_t *image = (const uint8_t *)_image; /* Pointer into raw data buffer */
uint32_t stored_chksum; /* Stored metadata checksum value */
uint32_t computed_chksum; /* Computed metadata checksum value */
haddr_t arr_addr; /* Address of array header in the file */
/* Sanity check */
- HDassert(f);
- HDassert(H5F_addr_defined(addr));
- HDassert(udata && udata->hdr);
+ HDassert(udata);
+ HDassert(udata->hdr);
/* Allocate the fixed array data block */
if(NULL == (dblock = H5FA__dblock_alloc(udata->hdr)))
H5E_THROW(H5E_CANTALLOC, "memory allocation failed for fixed array data block")
- /* Set the fixed array data block's information */
- dblock->addr = addr;
-
- /* Wrap the local buffer for serialized info */
- if(NULL == (wb = H5WB_wrap(dblock_buf, sizeof(dblock_buf))))
- H5E_THROW(H5E_CANTINIT, "can't wrap buffer")
-
- /* Compute the size of the fixed array data block on disk */
- if(!dblock->npages)
- size = (size_t)H5FA_DBLOCK_SIZE(dblock);
- else
- size = H5FA_DBLOCK_PREFIX_SIZE(dblock);
-
- /* Get a pointer to a buffer that's large enough for serialized info */
- if(NULL == (buf = (uint8_t *)H5WB_actual(wb, size)))
- H5E_THROW(H5E_CANTGET, "can't get actual buffer")
+ HDassert(((!dblock->npages) && (len == (size_t)H5FA_DBLOCK_SIZE(dblock)))
+ || (len == (size_t)H5FA_DBLOCK_PREFIX_SIZE(dblock)));
- /* Read data block from disk */
- if(H5F_block_read(f, H5FD_MEM_FARRAY_DBLOCK, addr, size, dxpl_id, buf) < 0)
- H5E_THROW(H5E_READERROR, "can't read fixed array data block")
-
- /* Get temporary pointer to serialized header */
- p = buf;
+ /* Set the fixed array data block's information */
+ dblock->addr = udata->dblk_addr;
/* Magic number */
- if(HDmemcmp(p, H5FA_DBLOCK_MAGIC, (size_t)H5_SIZEOF_MAGIC))
+ if(HDmemcmp(image, H5FA_DBLOCK_MAGIC, (size_t)H5_SIZEOF_MAGIC))
H5E_THROW(H5E_BADVALUE, "wrong fixed array data block signature")
- p += H5_SIZEOF_MAGIC;
+ image += H5_SIZEOF_MAGIC;
/* Version */
- if(*p++ != H5FA_DBLOCK_VERSION)
+ if(*image++ != H5FA_DBLOCK_VERSION)
H5E_THROW(H5E_VERSION, "wrong fixed array data block version")
/* Fixed array type */
- if(*p++ != (uint8_t)udata->hdr->cparam.cls->id)
+ if(*image++ != (uint8_t)udata->hdr->cparam.cls->id)
H5E_THROW(H5E_BADTYPE, "incorrect fixed array class")
/* Address of header for array that owns this block (just for file integrity checks) */
- H5F_addr_decode(f, &p, &arr_addr);
+ H5F_addr_decode(udata->hdr->f, &image, &arr_addr);
if(H5F_addr_ne(arr_addr, udata->hdr->addr))
H5E_THROW(H5E_BADVALUE, "wrong fixed array header address")
/* Page initialization flags */
if(dblock->npages > 0) {
- HDmemcpy(dblock->dblk_page_init, p, dblock->dblk_page_init_size);
- p += dblock->dblk_page_init_size;
+ HDmemcpy(dblock->dblk_page_init, image, dblock->dblk_page_init_size);
+ image += dblock->dblk_page_init_size;
} /* end if */
/* Only decode elements if the data block is not paged */
if(!dblock->npages) {
/* Decode elements in data block */
/* Convert from raw elements on disk into native elements in memory */
- if((udata->hdr->cparam.cls->decode)(p, dblock->elmts, (size_t)udata->hdr->stats.nelmts, udata->hdr->cb_ctx) < 0)
+ if((udata->hdr->cparam.cls->decode)(image, dblock->elmts, (size_t)udata->hdr->cparam.nelmts, udata->hdr->cb_ctx) < 0)
H5E_THROW(H5E_CANTDECODE, "can't decode fixed array data elements")
- p += (udata->hdr->stats.nelmts * udata->hdr->cparam.raw_elmt_size);
+ image += (udata->hdr->cparam.nelmts * udata->hdr->cparam.raw_elmt_size);
} /* end if */
/* Sanity check */
/* (allow for checksum not decoded yet) */
- HDassert((size_t)(p - buf) == (size - H5FA_SIZEOF_CHKSUM));
+ HDassert((size_t)(image - (const uint8_t *)_image) == (len - H5FA_SIZEOF_CHKSUM));
/* Set the data block's size */
dblock->size = H5FA_DBLOCK_SIZE(dblock);
/* Compute checksum on data block */
- computed_chksum = H5_checksum_metadata(buf, (size_t)(p - buf), 0);
+ computed_chksum = H5_checksum_metadata(_image, (size_t)(image - (const uint8_t *)_image), 0);
/* Metadata checksum */
- UINT32DECODE(p, stored_chksum);
+ UINT32DECODE(image, stored_chksum);
/* Sanity check */
- HDassert((size_t)(p - buf) == size);
+ HDassert((size_t)(image - (const uint8_t *)_image) == len);
/* Verify checksum */
if(stored_chksum != computed_chksum)
@@ -608,317 +596,292 @@ H5FA__cache_dblock_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_udata))
CATCH
/* Release resources */
- if(wb && H5WB_unwrap(wb) < 0)
- H5E_THROW(H5E_CLOSEERROR, "can't close wrapped buffer")
if(!ret_value)
if(dblock && H5FA__dblock_dest(dblock) < 0)
H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block")
-END_FUNC(STATIC) /* end H5FA__cache_dblock_load() */
+END_FUNC(STATIC) /* end H5FA__cache_dblock_deserialize() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_dblock_flush
+ * Function: H5FA__cache_dblock_image_len
*
- * Purpose: Flushes a dirty fixed array data block to disk.
+ * Purpose: Compute the size of the data structure on disk.
*
- * Return: Non-negative on success/Negative on failure
+ * Return: Non-negative on success/Negative on failure
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 14, 2013
*
*-------------------------------------------------------------------------
*/
-BEGIN_FUNC(STATIC, ERR,
-herr_t, SUCCEED, FAIL,
-H5FA__cache_dblock_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr,
- H5FA_dblock_t *dblock, unsigned H5_ATTR_UNUSED * flags_ptr))
+BEGIN_FUNC(STATIC, NOERR,
+herr_t, SUCCEED, -,
+H5FA__cache_dblock_image_len(const void *_thing, size_t *image_len,
+ hbool_t H5_ATTR_UNUSED *compressed_ptr, size_t H5_ATTR_UNUSED *compressed_image_len_ptr))
/* Local variables */
- H5WB_t *wb = NULL; /* Wrapped buffer for serializing data */
- uint8_t ser_buf[H5FA_DBLOCK_BUF_SIZE]; /* Serialization buffer */
+ const H5FA_dblock_t *dblock = (const H5FA_dblock_t *)_thing; /* Pointer to the object */
- /* Sanity check */
- HDassert(f);
- HDassert(H5F_addr_defined(addr));
+ /* Check arguments */
HDassert(dblock);
- HDassert(dblock->hdr);
-
- if(dblock->cache_info.is_dirty) {
- uint8_t *buf; /* Temporary raw data buffer */
- uint8_t *p; /* Pointer into raw data buffer */
- size_t size; /* Index block size on disk */
- uint32_t metadata_chksum; /* Computed metadata checksum value */
+ HDassert(image_len);
- /* Wrap the local buffer for serialized info */
- if(NULL == (wb = H5WB_wrap(ser_buf, sizeof(ser_buf))))
- H5E_THROW(H5E_CANTINIT, "can't wrap buffer")
-
- /* Compute the size of the data block on disk */
- if(!dblock->npages)
- size = (size_t)dblock->size;
- else
- size = H5FA_DBLOCK_PREFIX_SIZE(dblock);
+ /* Set the image length size */
+ if(!dblock->npages)
+ *image_len = (size_t)dblock->size;
+ else
+ *image_len = H5FA_DBLOCK_PREFIX_SIZE(dblock);
- /* Get a pointer to a buffer that's large enough for serialized info */
- if(NULL == (buf = (uint8_t *)H5WB_actual(wb, size)))
- H5E_THROW(H5E_CANTGET, "can't get actual buffer")
+END_FUNC(STATIC) /* end H5FA__cache_dblock_image_len() */
- /* Get temporary pointer to serialized info */
- p = buf;
+
+/*-------------------------------------------------------------------------
+ * Function: H5FA__cache_dblock_serialize
+ *
+ * Purpose: Flushes a dirty object to disk.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 14, 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+BEGIN_FUNC(STATIC, ERR,
+herr_t, SUCCEED, FAIL,
+H5FA__cache_dblock_serialize(const H5F_t *f, void *_image, size_t H5_ATTR_UNUSED len,
+ void *_thing))
- /* Magic number */
- HDmemcpy(p, H5FA_DBLOCK_MAGIC, (size_t)H5_SIZEOF_MAGIC);
- p += H5_SIZEOF_MAGIC;
+ /* Local variables */
+ H5FA_dblock_t *dblock = (H5FA_dblock_t *)_thing; /* Pointer to the object to serialize */
+ uint8_t *image = (uint8_t *)_image; /* Pointer into raw data buffer */
+ uint32_t metadata_chksum; /* Computed metadata checksum value */
- /* Version # */
- *p++ = H5FA_DBLOCK_VERSION;
+ /* Check arguments */
+ HDassert(f);
+ HDassert(image);
+ HDassert(dblock);
+ HDassert(dblock->hdr);
- /* Fixed array type */
- *p++ = dblock->hdr->cparam.cls->id;
+ /* Magic number */
+ HDmemcpy(image, H5FA_DBLOCK_MAGIC, (size_t)H5_SIZEOF_MAGIC);
+ image += H5_SIZEOF_MAGIC;
- /* Address of array header for array which owns this block */
- H5F_addr_encode(f, &p, dblock->hdr->addr);
+ /* Version # */
+ *image++ = H5FA_DBLOCK_VERSION;
- /* Page init flags */
- if(dblock->npages > 0) {
- /* Store the 'page init' bitmasks */
- HDmemcpy(p, dblock->dblk_page_init, dblock->dblk_page_init_size);
- p += dblock->dblk_page_init_size;
- } /* end if */
+ /* Fixed array type */
+ *image++ = dblock->hdr->cparam.cls->id;
- /* Only encode elements if the data block is not paged */
- if(!dblock->npages) {
- /* Encode elements in data block */
+ /* Address of array header for array which owns this block */
+ H5F_addr_encode(f, &image, dblock->hdr->addr);
- /* Convert from native elements in memory into raw elements on disk */
- H5_CHECK_OVERFLOW(dblock->hdr->cparam.nelmts, /* From: */hsize_t, /* To: */size_t);
- if((dblock->hdr->cparam.cls->encode)(p, dblock->elmts, (size_t)dblock->hdr->cparam.nelmts, dblock->hdr->cb_ctx) < 0)
- H5E_THROW(H5E_CANTENCODE, "can't encode fixed array data elements")
- p += (dblock->hdr->cparam.nelmts * dblock->hdr->cparam.raw_elmt_size);
- } /* end if */
+ /* Page init flags */
+ if(dblock->npages > 0) {
+ /* Store the 'page init' bitmasks */
+ HDmemcpy(image, dblock->dblk_page_init, dblock->dblk_page_init_size);
+ image += dblock->dblk_page_init_size;
+ } /* end if */
- /* Compute metadata checksum */
- metadata_chksum = H5_checksum_metadata(buf, (size_t)(p - buf), 0);
+ /* Only encode elements if the data block is not paged */
+ if(!dblock->npages) {
+ /* Encode elements in data block */
- /* Metadata checksum */
- UINT32ENCODE(p, metadata_chksum);
+ /* Convert from native elements in memory into raw elements on disk */
+ H5_CHECK_OVERFLOW(dblock->hdr->cparam.nelmts, /* From: */hsize_t, /* To: */size_t);
+ if((dblock->hdr->cparam.cls->encode)(image, dblock->elmts, (size_t)dblock->hdr->cparam.nelmts, dblock->hdr->cb_ctx) < 0)
+ H5E_THROW(H5E_CANTENCODE, "can't encode fixed array data elements")
+ image += (dblock->hdr->cparam.nelmts * dblock->hdr->cparam.raw_elmt_size);
+ } /* end if */
- /* Write the data block */
- HDassert((size_t)(p - buf) == size);
- if(H5F_block_write(f, H5FD_MEM_FARRAY_DBLOCK, addr, size, dxpl_id, buf) < 0)
- H5E_THROW(H5E_WRITEERROR, "unable to save fixed array data block to disk")
+ /* Compute metadata checksum */
+ metadata_chksum = H5_checksum_metadata(_image, (size_t)(image - (uint8_t *)_image), 0);
- dblock->cache_info.is_dirty = FALSE;
- } /* end if */
+ /* Metadata checksum */
+ UINT32ENCODE(image, metadata_chksum);
- if(destroy)
- if(H5FA__cache_dblock_dest(f, dblock) < 0)
- H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block")
+ /* Sanity check */
+ HDassert((size_t)(image - (uint8_t *)_image) <= len);
CATCH
- /* Release resources */
- if(wb && H5WB_unwrap(wb) < 0)
- H5E_THROW(H5E_CLOSEERROR, "can't close wrapped buffer")
-
-END_FUNC(STATIC) /* end H5FA__cache_dblock_flush() */
+END_FUNC(STATIC) /* end H5FA__cache_dblock_serialize() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_dblock_clear
+ * Function: H5FA__cache_dblock_free_icr
*
- * Purpose: Mark a fixed array data block in memory as non-dirty.
+ * Purpose: Destroy/release an "in core representation" of a data
+ * structure
*
* Return: Non-negative on success/Negative on failure
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 14, 2013
*
*-------------------------------------------------------------------------
*/
BEGIN_FUNC(STATIC, ERR,
herr_t, SUCCEED, FAIL,
-H5FA__cache_dblock_clear(H5F_t *f, H5FA_dblock_t *dblock, hbool_t destroy))
+H5FA__cache_dblock_free_icr(void *_thing))
- /* Sanity check */
- HDassert(dblock);
+ H5FA_dblock_t *dblock = (H5FA_dblock_t *)_thing; /* Pointer to the object */
- /* Reset the dirty flag */
- dblock->cache_info.is_dirty = FALSE;
+ /* Check arguments */
+ HDassert(dblock);
- if(destroy)
- if(H5FA__cache_dblock_dest(f, dblock) < 0)
- H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block")
+ /* Release the fixed array data block */
+ if(H5FA__dblock_dest(dblock) < 0)
+ H5E_THROW(H5E_CANTFREE, "can't free fixed array data block")
CATCH
-END_FUNC(STATIC) /* end H5FA__cache_dblock_clear() */
+END_FUNC(STATIC) /* end H5FA__cache_dblock_free_icr() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_dblock_size
- *
- * Purpose: Compute the size in bytes of a fixed array data block
- * on disk, and return it in *size_ptr. On failure,
- * the value of *size_ptr is undefined.
- *
+ * Function: H5FA__cache_dblock_fsf_size
+ *
+ * Purpose: Tell the metadata cache the actual amount of file space
+ * to free when a dblock entry is destroyed with the free
+ * file space block set.
+ *
+ * This function is needed when the data block is paged, as
+ * the datablock header and all its pages are allocted as a
+ * single contiguous chunk of file space, and must be
+ * deallocated the same way.
+ *
+ * The size of the chunk of memory in which the dblock
+ * header and all its pages is stored in the size field,
+ * so we simply pass that value back to the cache.
+ *
+ * If the datablock is not paged, then the size field of
+ * the cache_info contains the correct size. However this
+ * value will be the same as the size field, so we return
+ * the contents of the size field to the cache in this case
+ * as well.
+ *
* Return: Non-negative on success/Negative on failure
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: John Mainzer
+ * 12/5/14
*
*-------------------------------------------------------------------------
*/
-/* ARGSUSED */
BEGIN_FUNC(STATIC, NOERR,
herr_t, SUCCEED, -,
-H5FA__cache_dblock_size(const H5F_t H5_ATTR_UNUSED *f, const H5FA_dblock_t *dblock,
- size_t *size_ptr))
+H5FA__cache_dblock_fsf_size(const void *_thing, size_t *fsf_size))
- /* Sanity check */
- HDassert(f);
+ const H5FA_dblock_t *dblock = (const H5FA_dblock_t *)_thing; /* Pointer to the object */
+
+ /* Check arguments */
HDassert(dblock);
- HDassert(size_ptr);
+ HDassert(dblock->cache_info.magic == H5C__H5C_CACHE_ENTRY_T_MAGIC);
+ HDassert(dblock->cache_info.type == H5AC_FARRAY_DBLOCK);
+ HDassert(fsf_size);
- /* Set size value */
- if(!dblock->npages)
- *size_ptr = (size_t)dblock->size;
- else
- *size_ptr = H5FA_DBLOCK_PREFIX_SIZE(dblock);
+ *fsf_size = dblock->size;
-END_FUNC(STATIC) /* end H5FA__cache_dblock_size() */
+END_FUNC(STATIC) /* end H5FA__cache_dblock_fsf_size() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_dblock_dest
+ * Function: H5FA__cache_dblk_page_get_load_size
*
- * Purpose: Destroys a fixed array data block in memory.
+ * Purpose: Compute the size of the data structure on disk.
*
- * Return: Non-negative on success/Negative on failure
+ * Return: Non-negative on success/Negative on failure
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 14, 2013
*
*-------------------------------------------------------------------------
*/
-/* ARGSUSED */
-BEGIN_FUNC(STATIC, ERR,
-herr_t, SUCCEED, FAIL,
-H5FA__cache_dblock_dest(H5F_t *f, H5FA_dblock_t *dblock))
-
- /* Sanity check */
- HDassert(f);
- HDassert(dblock);
-
- /* Verify that data block is clean */
- HDassert(dblock->cache_info.is_dirty == FALSE);
-
- /* If we're going to free the space on disk, the address must be valid */
- HDassert(!dblock->cache_info.free_file_space_on_destroy || H5F_addr_defined(dblock->cache_info.addr));
-
- /* Check for freeing file space for fixed array data block */
- if(dblock->cache_info.free_file_space_on_destroy) {
- /* Sanity check address */
- HDassert(H5F_addr_eq(dblock->addr, dblock->cache_info.addr));
+BEGIN_FUNC(STATIC, NOERR,
+herr_t, SUCCEED, -,
+H5FA__cache_dblk_page_get_load_size(const void *_udata, size_t *image_len))
- /* Release the space on disk */
- /* (Includes space for pages!) */
- /* (XXX: Nasty usage of internal DXPL value! -QAK) */
- if(H5MF_xfree(f, H5FD_MEM_FARRAY_DBLOCK, H5AC_dxpl_id, dblock->cache_info.addr, (hsize_t)dblock->size) < 0)
- H5E_THROW(H5E_CANTFREE, "unable to free fixed array data block")
- } /* end if */
+ /* Local variables */
+ const H5FA_dblk_page_cache_ud_t *udata = (const H5FA_dblk_page_cache_ud_t *)_udata; /* User data */
- /* Release the data block */
- if(H5FA__dblock_dest(dblock) < 0)
- H5E_THROW(H5E_CANTFREE, "can't free fixed array data block")
+ /* Check arguments */
+ HDassert(udata);
+ HDassert(udata->hdr);
+ HDassert(udata->nelmts > 0);
+ HDassert(image_len);
-CATCH
+ *image_len = (size_t)H5FA_DBLK_PAGE_SIZE(udata->hdr, udata->nelmts);
-END_FUNC(STATIC) /* end H5FA__cache_dblock_dest() */
+END_FUNC(STATIC) /* end H5FA__cache_dblk_page_get_load_size() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_dblk_page_load
+ * Function: H5FA__cache_dblk_page_deserialize
*
- * Purpose: Loads a fixed array data block page from the disk.
+ * Purpose: Loads a data structure from the disk.
*
- * Return: Success: Pointer to a new fixed array data block page
+ * Return: Success: Pointer to a new B-tree.
* Failure: NULL
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 14, 2013
*
*-------------------------------------------------------------------------
*/
BEGIN_FUNC(STATIC, ERR,
-H5FA_dblk_page_t *, NULL, NULL,
-H5FA__cache_dblk_page_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_udata))
+void *, NULL, NULL,
+H5FA__cache_dblk_page_deserialize(const void *_image, size_t len,
+ void *_udata, hbool_t H5_ATTR_UNUSED *dirty))
/* Local variables */
H5FA_dblk_page_t *dblk_page = NULL; /* Data block page info */
H5FA_dblk_page_cache_ud_t *udata = (H5FA_dblk_page_cache_ud_t *)_udata; /* User data for loading data block page */
- size_t size; /* Data block page size */
- H5WB_t *wb = NULL; /* Wrapped buffer for data block page data */
- uint8_t dblk_page_buf[H5FA_DBLK_PAGE_BUF_SIZE]; /* Buffer for data block page */
- uint8_t *buf; /* Pointer to data block page buffer */
- const uint8_t *p; /* Pointer into raw data buffer */
+ const uint8_t *image = (const uint8_t *)_image; /* Pointer into raw data buffer */
uint32_t stored_chksum; /* Stored metadata checksum value */
uint32_t computed_chksum; /* Computed metadata checksum value */
/* Sanity check */
- HDassert(f);
- HDassert(H5F_addr_defined(addr));
- HDassert(udata && udata->hdr && udata->nelmts > 0);
+ HDassert(udata);
+ HDassert(udata->hdr);
+ HDassert(udata->nelmts > 0);
+ HDassert(H5F_addr_defined(udata->dblk_page_addr));
/* Allocate the fixed array data block page */
if(NULL == (dblk_page = H5FA__dblk_page_alloc(udata->hdr, udata->nelmts)))
H5E_THROW(H5E_CANTALLOC, "memory allocation failed for fixed array data block page")
/* Set the fixed array data block's information */
- dblk_page->addr = addr;
-
- /* Wrap the local buffer for serialized info */
- if(NULL == (wb = H5WB_wrap(dblk_page_buf, sizeof(dblk_page_buf))))
- H5E_THROW(H5E_CANTINIT, "can't wrap buffer")
-
- /* Compute the size of the fixed array data block page on disk */
- size = H5FA_DBLK_PAGE_SIZE(udata->hdr, udata->nelmts);
-
- /* Get a pointer to a buffer that's large enough for serialized info */
- if(NULL == (buf = (uint8_t *)H5WB_actual(wb, size)))
- H5E_THROW(H5E_CANTGET, "can't get actual buffer")
-
- /* Read data block page from disk */
- if(H5F_block_read(f, H5FD_MEM_FARRAY_DBLK_PAGE, addr, size, dxpl_id, buf) < 0)
- H5E_THROW(H5E_READERROR, "can't read fixed array data block page")
-
- /* Get temporary pointer to serialized header */
- p = buf;
+ dblk_page->addr = udata->dblk_page_addr;
/* Internal information */
/* Decode elements in data block page */
/* Convert from raw elements on disk into native elements in memory */
- if((udata->hdr->cparam.cls->decode)(p, dblk_page->elmts, udata->nelmts, udata->hdr->cb_ctx) < 0)
+ if((udata->hdr->cparam.cls->decode)(image, dblk_page->elmts, udata->nelmts, udata->hdr->cb_ctx) < 0)
H5E_THROW(H5E_CANTDECODE, "can't decode fixed array data elements")
- p += (udata->nelmts * udata->hdr->cparam.raw_elmt_size);
+ image += (udata->nelmts * udata->hdr->cparam.raw_elmt_size);
/* Sanity check */
/* (allow for checksum not decoded yet) */
- HDassert((size_t)(p - buf) == (size - H5FA_SIZEOF_CHKSUM));
+ HDassert((size_t)(image - (const uint8_t *)_image) == (len - H5FA_SIZEOF_CHKSUM));
/* Set the data block page's size */
- dblk_page->size = size;
+ dblk_page->size = len;
/* Compute checksum on data block */
- computed_chksum = H5_checksum_metadata(buf, (size_t)(p - buf), 0);
+ computed_chksum = H5_checksum_metadata(_image, (size_t)(image - (const uint8_t *)_image), 0);
/* Metadata checksum */
- UINT32DECODE(p, stored_chksum);
+ UINT32DECODE(image, stored_chksum);
/* Sanity check */
- HDassert((size_t)(p - buf) == dblk_page->size);
+ HDassert((size_t)(image - (const uint8_t *)_image) == dblk_page->size);
/* Verify checksum */
if(stored_chksum != computed_chksum)
@@ -930,192 +893,122 @@ H5FA__cache_dblk_page_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_udata))
CATCH
/* Release resources */
- if(wb && H5WB_unwrap(wb) < 0)
- H5E_THROW(H5E_CLOSEERROR, "can't close wrapped buffer")
if(!ret_value)
if(dblk_page && H5FA__dblk_page_dest(dblk_page) < 0)
H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block page")
-END_FUNC(STATIC) /* end H5FA__cache_dblk_page_load() */
+END_FUNC(STATIC) /* end H5FA__cache_dblk_page_deserialize() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_dblk_page_flush
+ * Function: H5FA__cache_dblk_page_image_len
*
- * Purpose: Flushes a dirty fixed array data block page to disk.
+ * Purpose: Compute the size of the data structure on disk.
*
- * Return: Non-negative on success/Negative on failure
+ * Return: Non-negative on success/Negative on failure
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 14, 2013
*
*-------------------------------------------------------------------------
*/
-BEGIN_FUNC(STATIC, ERR,
-herr_t, SUCCEED, FAIL,
-H5FA__cache_dblk_page_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr,
- H5FA_dblk_page_t *dblk_page, unsigned H5_ATTR_UNUSED * flags_ptr))
+BEGIN_FUNC(STATIC, NOERR,
+herr_t, SUCCEED, -,
+H5FA__cache_dblk_page_image_len(const void *_thing, size_t *image_len,
+ hbool_t H5_ATTR_UNUSED *compressed_ptr, size_t H5_ATTR_UNUSED *compressed_image_len_ptr))
/* Local variables */
- H5WB_t *wb = NULL; /* Wrapped buffer for serializing data */
- uint8_t ser_buf[H5FA_DBLK_PAGE_BUF_SIZE]; /* Serialization buffer */
+ const H5FA_dblk_page_t *dblk_page = (const H5FA_dblk_page_t *)_thing; /* Pointer to the object */
- /* Sanity check */
- HDassert(f);
- HDassert(H5F_addr_defined(addr));
+ /* Check arguments */
HDassert(dblk_page);
- HDassert(dblk_page->hdr);
-
- if(dblk_page->cache_info.is_dirty) {
- uint8_t *buf; /* Temporary raw data buffer */
- uint8_t *p; /* Pointer into raw data buffer */
- size_t size; /* Index block size on disk */
- uint32_t metadata_chksum; /* Computed metadata checksum value */
-
- /* Wrap the local buffer for serialized info */
- if(NULL == (wb = H5WB_wrap(ser_buf, sizeof(ser_buf))))
- H5E_THROW(H5E_CANTINIT, "can't wrap buffer")
-
- /* Compute the size of the data block on disk */
- size = dblk_page->size;
-
- /* Get a pointer to a buffer that's large enough for serialized info */
- if(NULL == (buf = (uint8_t *)H5WB_actual(wb, size)))
- H5E_THROW(H5E_CANTGET, "can't get actual buffer")
-
- /* Get temporary pointer to serialized info */
- p = buf;
-
- /* Internal information */
-
- /* Encode elements in data block page */
-
- /* Convert from native elements in memory into raw elements on disk */
- if((dblk_page->hdr->cparam.cls->encode)(p, dblk_page->elmts, dblk_page->nelmts, dblk_page->hdr->cb_ctx) < 0)
- H5E_THROW(H5E_CANTENCODE, "can't encode fixed array data elements")
- p += (dblk_page->nelmts * dblk_page->hdr->cparam.raw_elmt_size);
-
- /* Compute metadata checksum */
- metadata_chksum = H5_checksum_metadata(buf, (size_t)(p - buf), 0);
-
- /* Metadata checksum */
- UINT32ENCODE(p, metadata_chksum);
-
- /* Write the data block */
- HDassert((size_t)(p - buf) == size);
- if(H5F_block_write(f, H5FD_MEM_FARRAY_DBLK_PAGE, addr, size, dxpl_id, buf) < 0)
- H5E_THROW(H5E_WRITEERROR, "unable to save fixed array data block page to disk")
-
- dblk_page->cache_info.is_dirty = FALSE;
- } /* end if */
-
- if(destroy)
- if(H5FA__cache_dblk_page_dest(f, dblk_page) < 0)
- H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block page")
+ HDassert(image_len);
-CATCH
-
- /* Release resources */
- if(wb && H5WB_unwrap(wb) < 0)
- H5E_THROW(H5E_CLOSEERROR, "can't close wrapped buffer")
+ /* Set the image length size */
+ *image_len = dblk_page->size;
-END_FUNC(STATIC) /* end H5FA__cache_dblk_page_flush() */
+END_FUNC(STATIC) /* end H5FA__cache_dblk_page_image_len() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_dblk_page_clear
+ * Function: H5FA__cache_dblk_page_serialize
*
- * Purpose: Mark a fixed array data block page in memory as non-dirty.
+ * Purpose: Flushes a dirty object to disk.
*
* Return: Non-negative on success/Negative on failure
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 14, 2013
*
*-------------------------------------------------------------------------
*/
BEGIN_FUNC(STATIC, ERR,
herr_t, SUCCEED, FAIL,
-H5FA__cache_dblk_page_clear(H5F_t *f, H5FA_dblk_page_t *dblk_page, hbool_t destroy))
+H5FA__cache_dblk_page_serialize(const H5F_t *f, void *_image, size_t H5_ATTR_UNUSED len,
+ void *_thing))
+
+ /* Local variables */
+ H5FA_dblk_page_t *dblk_page = (H5FA_dblk_page_t *)_thing; /* Pointer to the object to serialize */
+ uint8_t *image = (uint8_t *)_image; /* Pointer into raw data buffer */
+ uint32_t metadata_chksum; /* Computed metadata checksum value */
/* Sanity check */
+ HDassert(f);
+ HDassert(image);
HDassert(dblk_page);
+ HDassert(dblk_page->hdr);
- /* Reset the dirty flag */
- dblk_page->cache_info.is_dirty = FALSE;
+ /* Internal information */
- if(destroy)
- if(H5FA__cache_dblk_page_dest(f, dblk_page) < 0)
- H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block page")
+ /* Encode elements in data block page */
-CATCH
+ /* Convert from native elements in memory into raw elements on disk */
+ if((dblk_page->hdr->cparam.cls->encode)(image, dblk_page->elmts, dblk_page->nelmts, dblk_page->hdr->cb_ctx) < 0)
+ H5E_THROW(H5E_CANTENCODE, "can't encode fixed array data elements")
+ image += (dblk_page->nelmts * dblk_page->hdr->cparam.raw_elmt_size);
-END_FUNC(STATIC) /* end H5FA__cache_dblk_page_clear() */
+ /* Compute metadata checksum */
+ metadata_chksum = H5_checksum_metadata(_image, (size_t)(image - (uint8_t *)_image), 0);
-
-/*-------------------------------------------------------------------------
- * Function: H5FA__cache_dblk_page_size
- *
- * Purpose: Compute the size in bytes of a fixed array data block page
- * on disk, and return it in *size_ptr. On failure,
- * the value of *size_ptr is undefined.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
- *
- *-------------------------------------------------------------------------
- */
-/* ARGSUSED */
-BEGIN_FUNC(STATIC, NOERR,
-herr_t, SUCCEED, -,
-H5FA__cache_dblk_page_size(const H5F_t H5_ATTR_UNUSED *f, const H5FA_dblk_page_t *dblk_page,
- size_t *size_ptr))
+ /* Metadata checksum */
+ UINT32ENCODE(image, metadata_chksum);
/* Sanity check */
- HDassert(f);
- HDassert(dblk_page);
- HDassert(size_ptr);
+ HDassert((size_t)(image - (uint8_t *)_image) <= len);
- /* Set size value */
- *size_ptr = dblk_page->size;
+CATCH
-END_FUNC(STATIC) /* end H5FA__cache_dblk_page_size() */
+END_FUNC(STATIC) /* end H5FA__cache_dblk_page_serialize() */
/*-------------------------------------------------------------------------
- * Function: H5FA__cache_dblk_page_dest
- *
- * Purpose: Destroys a fixed array data block page in memory.
+ * Function: H5FA__cache_dblk_page_free_icr
*
- * Note: Does _not_ free the space for the page on disk, that is
- * handled through the data block that "owns" the page.
+ * Purpose: Destroy/release an "in core representation" of a data
+ * structure
*
* Return: Non-negative on success/Negative on failure
*
- * Programmer: Vailin Choi
- * Thursday, April 30, 2009
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * August 14, 2013
*
*-------------------------------------------------------------------------
*/
-/* ARGSUSED */
BEGIN_FUNC(STATIC, ERR,
herr_t, SUCCEED, FAIL,
-H5FA__cache_dblk_page_dest(H5F_t H5_ATTR_UNUSED *f, H5FA_dblk_page_t *dblk_page))
+H5FA__cache_dblk_page_free_icr(void *thing))
- /* Sanity check */
- HDassert(f);
- HDassert(dblk_page);
-
- /* Verify that data block page is clean */
- HDassert(dblk_page->cache_info.is_dirty == FALSE);
+ /* Check arguments */
+ HDassert(thing);
- /* Release the data block page */
- if(H5FA__dblk_page_dest(dblk_page) < 0)
+ /* Release the fixed array data block page */
+ if(H5FA__dblk_page_dest((H5FA_dblk_page_t *)thing) < 0)
H5E_THROW(H5E_CANTFREE, "can't free fixed array data block page")
CATCH
-END_FUNC(STATIC) /* end H5FA__cache_dblk_page_dest() */
+END_FUNC(STATIC) /* end H5FA__cache_dblk_page_free_icr() */