[svn-r13139] Fixed the MULTI problem (Bug #731) that corrupted the data. The problem

came from the EOA for the whole MULTI file.  It's taken out because it's
meaningless for MULTI file.  Instead, each individual file has its EOA.

16 files changed, 282 insertions, 118 deletions

diff --git a/src/H5F.c b/src/H5F.c
index cb809e0..a073e9a 100644
--- a/src/H5F.c
+++ b/src/H5F.c
@@ -766,7 +766,7 @@ H5F_locate_signature(H5FD_t *file, hid_t dxpl_id)
 
     /* Find the least N such that 2^N is larger than the file size */
     if (HADDR_UNDEF==(addr=H5FD_get_eof(file)) ||
-            HADDR_UNDEF==(eoa=H5FD_get_eoa(file)))
+            HADDR_UNDEF==(eoa=H5FD_get_eoa(file, H5FD_MEM_SUPER)))
 	HGOTO_ERROR(H5E_IO, H5E_CANTINIT, HADDR_UNDEF, "unable to obtain EOF/EOA value")
     for (maxpow=0; addr; maxpow++)
         addr>>=1;
@@ -778,7 +778,7 @@ H5F_locate_signature(H5FD_t *file, hid_t dxpl_id)
      */
     for (n=8; n<maxpow; n++) {
 	addr = (8==n) ? 0 : (haddr_t)1 << n;
-	if (H5FD_set_eoa(file, addr+H5F_SIGNATURE_LEN) < 0)
+	if (H5FD_set_eoa(file, H5FD_MEM_SUPER, addr+H5F_SIGNATURE_LEN) < 0)
 	    HGOTO_ERROR(H5E_IO, H5E_CANTINIT, HADDR_UNDEF, "unable to set EOA value for file signature")
 	if (H5FD_read(file, H5FD_MEM_SUPER, dxpl_id, addr, (size_t)H5F_SIGNATURE_LEN, buf) < 0)
 	    HGOTO_ERROR(H5E_IO, H5E_CANTINIT, HADDR_UNDEF, "unable to read file signature")
@@ -791,7 +791,7 @@ H5F_locate_signature(H5FD_t *file, hid_t dxpl_id)
      * failure.
      */
     if (n>=maxpow) {
-	(void)H5FD_set_eoa(file, eoa); /* Ignore return value */
+	(void)H5FD_set_eoa(file, H5FD_MEM_SUPER, eoa); /* Ignore return value */
 	HGOTO_ERROR(H5E_IO, H5E_CANTINIT, HADDR_UNDEF, "unable to find a valid file signature")
     }
 
@@ -2718,7 +2718,7 @@ H5F_get_eoa(const H5F_t *f)
     assert(f->shared);
 
     /* Dispatch to driver */
-    if (HADDR_UNDEF==(ret_value=H5FD_get_eoa(f->shared->lf)))
+    if (HADDR_UNDEF==(ret_value=H5FD_get_eoa(f->shared->lf, H5FD_MEM_DEFAULT)))
 	HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, HADDR_UNDEF, "driver get_eoa request failed")
 
 done:
diff --git a/src/H5FD.c b/src/H5FD.c
index 6264c3d..95dad3e 100644
--- a/src/H5FD.c
+++ b/src/H5FD.c
@@ -2117,7 +2117,7 @@ H5FD_update_eoa(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size)
     assert(type >= H5FD_MEM_DEFAULT && type < H5FD_MEM_NTYPES);
     assert(size > 0);
 
-    eoa = file->cls->get_eoa(file);
+    eoa = file->cls->get_eoa(file, type);
 
 #ifdef H5F_DEBUG
     if(file->alignment * file->threshold != 1 && H5DEBUG(F))
@@ -2138,7 +2138,7 @@ H5FD_update_eoa(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size)
 
         eoa += wasted;
 
-        if(file->cls->set_eoa(file, eoa) < 0)
+        if(file->cls->set_eoa(file, type, eoa) < 0)
             HGOTO_ERROR(H5E_VFL, H5E_NOSPACE, HADDR_UNDEF, "file allocation request failed")
     } /* end if */
 
@@ -2149,7 +2149,7 @@ H5FD_update_eoa(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size)
     ret_value = eoa;
     eoa += size;
 
-    if(file->cls->set_eoa(file, eoa) < 0)
+    if(file->cls->set_eoa(file, type, eoa) < 0)
         HGOTO_ERROR(H5E_VFL, H5E_NOSPACE, HADDR_UNDEF, "file allocation request failed")
 
     /* Free the wasted memory */
@@ -2440,9 +2440,9 @@ HDfprintf(stderr, "%s: type = %u, addr = %a, size = %Hu\n", FUNC, (unsigned)type
         if(file->cls->get_eoa) {
             haddr_t     eoa;
 
-            eoa = file->cls->get_eoa(file);
+            eoa = file->cls->get_eoa(file, type);
             if(eoa == (last->addr+last->size)) {
-                if(file->cls->set_eoa(file, last->addr) < 0)
+                if(file->cls->set_eoa(file, type, last->addr) < 0)
                     HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, FAIL, "set end of space allocation request failed")
 
                 /* Remove this free block from the list */
@@ -2618,7 +2618,7 @@ H5FD_can_extend(const H5FD_t *file, H5FD_mem_t type, haddr_t addr, hsize_t size,
     FUNC_ENTER_NOAPI(H5FD_can_extend, FAIL)
 
     /* Retrieve the end of the address space */
-    if(HADDR_UNDEF==(eoa=H5FD_get_eoa(file)))
+    if(HADDR_UNDEF==(eoa=H5FD_get_eoa(file, type)))
 	HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, FAIL, "driver get_eoa request failed")
 
     /* Check if the block is exactly at the end of the file */
@@ -2713,7 +2713,7 @@ HDfprintf(stderr, "%s: type = %u, addr = %a, size = %Hu, extra_requested = %Hu\n
 #endif /* H5FD_ALLOC_DEBUG */
 
     /* Retrieve the end of the address space */
-    if(HADDR_UNDEF==(eoa=H5FD_get_eoa(file)))
+    if(HADDR_UNDEF==(eoa=H5FD_get_eoa(file, type)))
 	HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, FAIL, "driver get_eoa request failed")
 
     /* Map request type to free list */
@@ -2760,7 +2760,7 @@ HDfprintf(stderr, "%s: type = %u, addr = %a, size = %Hu, extra_requested = %Hu\n
 
         /* Extend the file */
         eoa += extra_requested;
-        if(file->cls->set_eoa(file, eoa) < 0)
+        if(file->cls->set_eoa(file, type, eoa) < 0)
             HGOTO_ERROR(H5E_VFL, H5E_NOSPACE, FAIL, "file allocation request failed")
 
         /* Update the metadata and/or small data block */
@@ -2835,11 +2835,14 @@ done:
  *              Friday, July 30, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 haddr_t
-H5FDget_eoa(H5FD_t *file)
+H5FDget_eoa(H5FD_t *file, H5FD_mem_t type)
 {
     haddr_t	ret_value;
 
@@ -2849,9 +2852,11 @@ H5FDget_eoa(H5FD_t *file)
     /* Check args */
     if(!file || !file->cls)
 	HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, HADDR_UNDEF, "invalid file pointer")
+    if(type<H5FD_MEM_DEFAULT || type >= H5FD_MEM_NTYPES)
+	HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, HADDR_UNDEF, "invalid file type")
 
     /* The real work */
-    if(HADDR_UNDEF==(ret_value=H5FD_get_eoa(file)))
+    if(HADDR_UNDEF==(ret_value=H5FD_get_eoa(file, type)))
 	HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, HADDR_UNDEF, "file get eoa request failed")
 
 done:
@@ -2872,11 +2877,14 @@ done:
  *              Wednesday, August  4, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 haddr_t
-H5FD_get_eoa(const H5FD_t *file)
+H5FD_get_eoa(const H5FD_t *file, H5FD_mem_t type)
 {
     haddr_t	ret_value;
 
@@ -2884,7 +2892,7 @@ H5FD_get_eoa(const H5FD_t *file)
     assert(file && file->cls);
 
     /* Dispatch to driver */
-    if(HADDR_UNDEF==(ret_value=(file->cls->get_eoa)(file)))
+    if(HADDR_UNDEF==(ret_value=(file->cls->get_eoa)(file, type)))
 	HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, HADDR_UNDEF, "driver get_eoa request failed")
 
 done:
@@ -2916,11 +2924,14 @@ done:
  *              Friday, July 30, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 herr_t
-H5FDset_eoa(H5FD_t *file, haddr_t addr)
+H5FDset_eoa(H5FD_t *file, H5FD_mem_t type, haddr_t addr)
 {
     herr_t      ret_value=SUCCEED;       /* Return value */
 
@@ -2930,12 +2941,14 @@ H5FDset_eoa(H5FD_t *file, haddr_t addr)
     /* Check args */
     if(!file || !file->cls)
 	HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid file pointer")
+    if(type<H5FD_MEM_DEFAULT || type >= H5FD_MEM_NTYPES)
+	HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, HADDR_UNDEF, "invalid file type")
 
     if(!H5F_addr_defined(addr) || addr>file->maxaddr)
 	HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid end-of-address value")
 
     /* The real work */
-    if(H5FD_set_eoa(file, addr) < 0)
+    if(H5FD_set_eoa(file, type, addr) < 0)
 	HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, FAIL, "file set eoa request failed")
 
 done:
@@ -2956,11 +2969,14 @@ done:
  *              Wednesday, August  4, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 herr_t
-H5FD_set_eoa(H5FD_t *file, haddr_t addr)
+H5FD_set_eoa(H5FD_t *file, H5FD_mem_t UNUSED type, haddr_t addr)
 {
     herr_t      ret_value=SUCCEED;       /* Return value */
 
@@ -2970,7 +2986,7 @@ H5FD_set_eoa(H5FD_t *file, haddr_t addr)
     assert(H5F_addr_defined(addr) && addr<=file->maxaddr);
 
     /* Dispatch to driver */
-    if((file->cls->set_eoa)(file, addr) < 0)
+    if((file->cls->set_eoa)(file, type, addr) < 0)
 	HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, FAIL, "driver set_eoa request failed")
 
 done:
@@ -3801,6 +3817,12 @@ done:
  * Programmer:  Quincey Koziol
  *              Monday, October  6, 2003
  *
+ * Modifications:
+ *              Raymond Lu
+ *              5 January 2007
+ *              Due to the complexity EOA for Multi driver, this function
+ *              is made failed for now.
+ * 
  *-------------------------------------------------------------------------
  */
 hssize_t
@@ -3812,7 +3834,7 @@ H5FD_get_freespace(const H5FD_t *file)
     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" */
-    haddr_t eoa;                /* End of allocated space in the file */
+    haddr_t eoa = 0;            /* End of allocated space in the file */
     hssize_t ret_value = 0;     /* Return value */
 
     FUNC_ENTER_NOAPI(H5FD_get_freespace, FAIL)
@@ -3821,8 +3843,13 @@ H5FD_get_freespace(const H5FD_t *file)
     HDassert(file);
     HDassert(file->cls);
 
+    /* Multi driver doesn't support this function because of the complexity.
+     * It doesn't have eoa for the whole file. */
+    if(file->driver_id == H5FD_MULTI)
+        HGOTO_ERROR(H5E_VFL, H5E_CANTGET, FAIL, "Multi driver doesn't support this function")
+    
     /* Retrieve the 'eoa' for the file */
-    eoa = file->cls->get_eoa(file);
+    eoa = file->cls->get_eoa(file, H5FD_MEM_DEFAULT);
 
     /* Check for aggregating metadata allocations */
     if(file->feature_flags & H5FD_FEAT_AGGREGATE_METADATA) {
diff --git a/src/H5FDcore.c b/src/H5FDcore.c
index 72ed14d..4c0d906 100644
--- a/src/H5FDcore.c
+++ b/src/H5FDcore.c
@@ -90,8 +90,8 @@ static H5FD_t *H5FD_core_open(const char *name, unsigned flags, hid_t fapl_id,
 			      haddr_t maxaddr);
 static herr_t H5FD_core_close(H5FD_t *_file);
 static int H5FD_core_cmp(const H5FD_t *_f1, const H5FD_t *_f2);
-static haddr_t H5FD_core_get_eoa(const H5FD_t *_file);
-static herr_t H5FD_core_set_eoa(H5FD_t *_file, haddr_t addr);
+static haddr_t H5FD_core_get_eoa(const H5FD_t *_file, H5FD_mem_t type);
+static herr_t H5FD_core_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr);
 static haddr_t H5FD_core_get_eof(const H5FD_t *_file);
 static herr_t  H5FD_core_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle);
 static herr_t H5FD_core_read(H5FD_t *_file, H5FD_mem_t type, hid_t fapl_id, haddr_t addr,
@@ -570,11 +570,14 @@ done:
  *              Monday, August  2, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static haddr_t
-H5FD_core_get_eoa(const H5FD_t *_file)
+H5FD_core_get_eoa(const H5FD_t *_file, H5FD_mem_t type)
 {
     haddr_t ret_value;   /* Return value */
 
@@ -605,11 +608,14 @@ done:
  *              Thursday, July 29, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static herr_t
-H5FD_core_set_eoa(H5FD_t *_file, haddr_t addr)
+H5FD_core_set_eoa(H5FD_t *_file, H5FD_mem_t UNUSED type, haddr_t addr)
 {
     H5FD_core_t	*file = (H5FD_core_t*)_file;
     herr_t      ret_value=SUCCEED;       /* Return value */
diff --git a/src/H5FDdirect.c b/src/H5FDdirect.c
index b981e13..6a68743 100644
--- a/src/H5FDdirect.c
+++ b/src/H5FDdirect.c
@@ -160,8 +160,8 @@ static H5FD_t *H5FD_direct_open(const char *name, unsigned flags, hid_t fapl_id,
 static herr_t H5FD_direct_close(H5FD_t *_file);
 static int H5FD_direct_cmp(const H5FD_t *_f1, const H5FD_t *_f2);
 static herr_t H5FD_direct_query(const H5FD_t *_f1, unsigned long *flags);
-static haddr_t H5FD_direct_get_eoa(const H5FD_t *_file);
-static herr_t H5FD_direct_set_eoa(H5FD_t *_file, haddr_t addr);
+static haddr_t H5FD_direct_get_eoa(const H5FD_t *_file, H5FD_mem_t type);
+static herr_t H5FD_direct_set_eoa(H5FD_t *_file, H5FD_mem_t UNUSED type, haddr_t addr);
 static haddr_t H5FD_direct_get_eof(const H5FD_t *_file);
 static herr_t  H5FD_direct_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle);
 static herr_t H5FD_direct_read(H5FD_t *_file, H5FD_mem_t type, hid_t fapl_id, haddr_t addr,
@@ -717,11 +717,14 @@ done:
  *              Wednesday, 20 September 2006
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static haddr_t
-H5FD_direct_get_eoa(const H5FD_t *_file)
+H5FD_direct_get_eoa(const H5FD_t *_file, H5FD_mem_t UNUSED type)
 {
     const H5FD_direct_t	*file = (const H5FD_direct_t*)_file;
     haddr_t ret_value;  /* Return value */
@@ -751,11 +754,14 @@ done:
  *              Wednesday, 20 September 2006
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static herr_t
-H5FD_direct_set_eoa(H5FD_t *_file, haddr_t addr)
+H5FD_direct_set_eoa(H5FD_t *_file, H5FD_mem_t UNUSED type, haddr_t addr)
 {
     H5FD_direct_t	*file = (H5FD_direct_t*)_file;
     herr_t ret_value=SUCCEED;   /* Return value */
diff --git a/src/H5FDfamily.c b/src/H5FDfamily.c
index 8b678b5..249edbb 100644
--- a/src/H5FDfamily.c
+++ b/src/H5FDfamily.c
@@ -97,8 +97,8 @@ static H5FD_t *H5FD_family_open(const char *name, unsigned flags,
 static herr_t H5FD_family_close(H5FD_t *_file);
 static int H5FD_family_cmp(const H5FD_t *_f1, const H5FD_t *_f2);
 static herr_t H5FD_family_query(const H5FD_t *_f1, unsigned long *flags);
-static haddr_t H5FD_family_get_eoa(const H5FD_t *_file);
-static herr_t H5FD_family_set_eoa(H5FD_t *_file, haddr_t eoa);
+static haddr_t H5FD_family_get_eoa(const H5FD_t *_file, H5FD_mem_t type);
+static herr_t H5FD_family_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t eoa);
 static haddr_t H5FD_family_get_eof(const H5FD_t *_file);
 static herr_t  H5FD_family_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle);
 static herr_t H5FD_family_read(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr,
@@ -1012,11 +1012,14 @@ done:
  *              Wednesday, August  4, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static haddr_t
-H5FD_family_get_eoa(const H5FD_t *_file)
+H5FD_family_get_eoa(const H5FD_t *_file, H5FD_mem_t UNUSED type)
 {
     const H5FD_family_t	*file = (const H5FD_family_t*)_file;
     haddr_t ret_value;   /* Return value */
@@ -1044,11 +1047,14 @@ done:
  *              Wednesday, August  4, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static herr_t
-H5FD_family_set_eoa(H5FD_t *_file, haddr_t eoa)
+H5FD_family_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t eoa)
 {
     H5FD_family_t	*file = (H5FD_family_t*)_file;
     haddr_t		addr=eoa;
@@ -1087,11 +1093,11 @@ H5FD_family_set_eoa(H5FD_t *_file, haddr_t eoa)
         /* Set the EOA marker for the member */
         H5_CHECK_OVERFLOW(file->memb_size,hsize_t,haddr_t);
         if (addr>(haddr_t)file->memb_size) {
-            if(H5FD_set_eoa(file->memb[u], (haddr_t)file->memb_size)<0)
+            if(H5FD_set_eoa(file->memb[u], type, (haddr_t)file->memb_size)<0)
                 HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to set file eoa")
             addr -= file->memb_size;
         } else {
-            if(H5FD_set_eoa(file->memb[u], addr)<0)
+            if(H5FD_set_eoa(file->memb[u], type, addr)<0)
                 HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to set file eoa")
             addr = 0;
         }
diff --git a/src/H5FDlog.c b/src/H5FDlog.c
index 06212e8..ce48d16 100644
--- a/src/H5FDlog.c
+++ b/src/H5FDlog.c
@@ -181,8 +181,8 @@ static herr_t H5FD_log_close(H5FD_t *_file);
 static int H5FD_log_cmp(const H5FD_t *_f1, const H5FD_t *_f2);
 static herr_t H5FD_log_query(const H5FD_t *_f1, unsigned long *flags);
 static haddr_t H5FD_log_alloc(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size);
-static haddr_t H5FD_log_get_eoa(const H5FD_t *_file);
-static herr_t H5FD_log_set_eoa(H5FD_t *_file, haddr_t addr);
+static haddr_t H5FD_log_get_eoa(const H5FD_t *_file, H5FD_mem_t type);
+static herr_t H5FD_log_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr);
 static haddr_t H5FD_log_get_eof(const H5FD_t *_file);
 static herr_t  H5FD_log_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle);
 static herr_t H5FD_log_read(H5FD_t *_file, H5FD_mem_t type, hid_t fapl_id, haddr_t addr,
@@ -886,11 +886,14 @@ done:
  *              Monday, August  2, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static haddr_t
-H5FD_log_get_eoa(const H5FD_t *_file)
+H5FD_log_get_eoa(const H5FD_t *_file, H5FD_mem_t UNUSED type)
 {
     const H5FD_log_t	*file = (const H5FD_log_t*)_file;
     haddr_t ret_value;          /* Return value */
@@ -920,11 +923,14 @@ done:
  *              Thursday, July 29, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static herr_t
-H5FD_log_set_eoa(H5FD_t *_file, haddr_t addr)
+H5FD_log_set_eoa(H5FD_t *_file, H5FD_mem_t UNUSED type, haddr_t addr)
 {
     H5FD_log_t	*file = (H5FD_log_t*)_file;
     herr_t ret_value=SUCCEED;   /* Return value */
diff --git a/src/H5FDmpio.c b/src/H5FDmpio.c
index 8178b7a..b2bca34 100644
--- a/src/H5FDmpio.c
+++ b/src/H5FDmpio.c
@@ -72,8 +72,8 @@ static H5FD_t *H5FD_mpio_open(const char *name, unsigned flags, hid_t fapl_id,
 			      haddr_t maxaddr);
 static herr_t H5FD_mpio_close(H5FD_t *_file);
 static herr_t H5FD_mpio_query(const H5FD_t *_f1, unsigned long *flags);
-static haddr_t H5FD_mpio_get_eoa(const H5FD_t *_file);
-static herr_t H5FD_mpio_set_eoa(H5FD_t *_file, haddr_t addr);
+static haddr_t H5FD_mpio_get_eoa(const H5FD_t *_file, H5FD_mem_t type);
+static herr_t H5FD_mpio_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr);
 static haddr_t H5FD_mpio_get_eof(const H5FD_t *_file);
 static herr_t  H5FD_mpio_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle);
 static herr_t H5FD_mpio_read(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr,
@@ -1175,11 +1175,14 @@ done:
  *              Friday, August  6, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static haddr_t
-H5FD_mpio_get_eoa(const H5FD_t *_file)
+H5FD_mpio_get_eoa(const H5FD_t *_file, H5FD_mem_t UNUSED type)
 {
     const H5FD_mpio_t	*file = (const H5FD_mpio_t*)_file;
     haddr_t ret_value;          /* Return value */
@@ -1212,11 +1215,14 @@ done:
  *              Friday, August 6, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static herr_t
-H5FD_mpio_set_eoa(H5FD_t *_file, haddr_t addr)
+H5FD_mpio_set_eoa(H5FD_t *_file, H5FD_mem_t UNUSED type, haddr_t addr)
 {
     H5FD_mpio_t	*file = (H5FD_mpio_t*)_file;
     herr_t ret_value=SUCCEED;   /* Return value */
diff --git a/src/H5FDmpiposix.c b/src/H5FDmpiposix.c
index df76070..548bdc7 100644
--- a/src/H5FDmpiposix.c
+++ b/src/H5FDmpiposix.c
@@ -181,8 +181,8 @@ static H5FD_t *H5FD_mpiposix_open(const char *name, unsigned flags, hid_t fapl_i
 static herr_t H5FD_mpiposix_close(H5FD_t *_file);
 static int H5FD_mpiposix_cmp(const H5FD_t *_f1, const H5FD_t *_f2);
 static herr_t H5FD_mpiposix_query(const H5FD_t *_f1, unsigned long *flags);
-static haddr_t H5FD_mpiposix_get_eoa(const H5FD_t *_file);
-static herr_t H5FD_mpiposix_set_eoa(H5FD_t *_file, haddr_t addr);
+static haddr_t H5FD_mpiposix_get_eoa(const H5FD_t *_file, H5FD_mem_t UNUSED type);
+static herr_t H5FD_mpiposix_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr);
 static haddr_t H5FD_mpiposix_get_eof(const H5FD_t *_file);
 static herr_t  H5FD_mpiposix_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle);
 static herr_t H5FD_mpiposix_read(H5FD_t *_file, H5FD_mem_t type, hid_t fapl_id, haddr_t addr,
@@ -951,11 +951,14 @@ done:
  *              Thursday, July 11, 2002
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static haddr_t
-H5FD_mpiposix_get_eoa(const H5FD_t *_file)
+H5FD_mpiposix_get_eoa(const H5FD_t *_file, H5FD_mem_t UNUSED type)
 {
     const H5FD_mpiposix_t *file = (const H5FD_mpiposix_t*)_file;
     haddr_t ret_value;          /* Return value */
@@ -987,11 +990,14 @@ done:
  *              Thursday, July 11, 2002
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static herr_t
-H5FD_mpiposix_set_eoa(H5FD_t *_file, haddr_t addr)
+H5FD_mpiposix_set_eoa(H5FD_t *_file, H5FD_mem_t UNUSED type, haddr_t addr)
 {
     H5FD_mpiposix_t	*file = (H5FD_mpiposix_t*)_file;
     herr_t ret_value=SUCCEED;   /* Return value */
diff --git a/src/H5FDmulti.c b/src/H5FDmulti.c
index b4c4277..6131db1 100644
--- a/src/H5FDmulti.c
+++ b/src/H5FDmulti.c
@@ -106,7 +106,9 @@ typedef struct H5FD_multi_t {
     H5FD_multi_fapl_t fa;	/*driver-specific file access properties*/
     haddr_t	memb_next[H5FD_MEM_NTYPES];/*addr of next member	*/
     H5FD_t	*memb[H5FD_MEM_NTYPES];	/*member pointers		*/
-    haddr_t	eoa;		/*end of allocated addresses		*/
+    /*haddr_t	eoa;*/		/*end of allocated addresses.  Took it out
+                                 *because individual files have their own
+                                 *eoa.                                  */
     unsigned	flags;		/*file open flags saved for debugging	*/
     char	*name;		/*name passed to H5Fopen or H5Fcreate	*/
 } H5FD_multi_t;
@@ -137,8 +139,8 @@ static H5FD_t *H5FD_multi_open(const char *name, unsigned flags,
 static herr_t H5FD_multi_close(H5FD_t *_file);
 static int H5FD_multi_cmp(const H5FD_t *_f1, const H5FD_t *_f2);
 static herr_t H5FD_multi_query(const H5FD_t *_f1, unsigned long *flags);
-static haddr_t H5FD_multi_get_eoa(const H5FD_t *_file);
-static herr_t H5FD_multi_set_eoa(H5FD_t *_file, haddr_t eoa);
+static haddr_t H5FD_multi_get_eoa(const H5FD_t *_file, H5FD_mem_t type);
+static herr_t H5FD_multi_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t eoa);
 static haddr_t H5FD_multi_get_eof(const H5FD_t *_file);
 static herr_t  H5FD_multi_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle);
 static haddr_t H5FD_multi_alloc(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size);
@@ -777,8 +779,10 @@ H5FD_multi_sb_encode(H5FD_t *_file, char *name/*out*/,
     name[8] = '\0';
 
     assert(7==H5FD_MEM_NTYPES);
-    for (m=H5FD_MEM_SUPER; m<H5FD_MEM_NTYPES; m=(H5FD_mem_t)(m+1))
+
+    for (m=H5FD_MEM_SUPER; m<H5FD_MEM_NTYPES; m=(H5FD_mem_t)(m+1)) {
         buf[m-1] = (unsigned char)file->fa.memb_map[m];
+    }
     buf[6] = 0;
     buf[7] = 0;
 
@@ -792,7 +796,7 @@ H5FD_multi_sb_encode(H5FD_t *_file, char *name/*out*/,
     p = buf+8;
     assert(sizeof(haddr_t)<=8);
     UNIQUE_MEMBERS(file->fa.memb_map, mt) {
-        memb_eoa = H5FDget_eoa(file->memb[mt]);
+        memb_eoa = H5FDget_eoa(file->memb[mt], mt);
         memcpy(p, &(file->fa.memb_addr[mt]), sizeof(haddr_t));
         p += sizeof(haddr_t);
         memcpy(p, &memb_eoa, sizeof(haddr_t));
@@ -872,11 +876,13 @@ H5FD_multi_sb_decode(H5FD_t *_file, const char *name, const unsigned char *buf)
      * Read the map and count the unique members.
      */
     memset(map, 0, sizeof map);
+
     for (i=0; i<6; i++) {
         map[i+1] = (H5FD_mem_t)buf[i];
         if (file->fa.memb_map[i+1]!=map[i+1])
             map_changed=TRUE;
     }
+
     UNIQUE_MEMBERS(map, mt) {
         nseen++;
     } END_MEMBERS;
@@ -964,7 +970,7 @@ H5FD_multi_sb_decode(H5FD_t *_file, const char *name, const unsigned char *buf)
     /* Set the EOA marker for all open files */
     UNIQUE_MEMBERS(file->fa.memb_map, mt) {
         if (file->memb[mt])
-            if(H5FDset_eoa(file->memb[mt], memb_eoa[mt])<0)
+            if(H5FDset_eoa(file->memb[mt], mt, memb_eoa[mt])<0)
                 H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_CANTSET, "set_eoa() failed", -1)
     } END_MEMBERS;
 
@@ -1435,18 +1441,81 @@ H5FD_multi_query(const H5FD_t *_f, unsigned long *flags /* out */)
  *              Wednesday, August  4, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
+ *              If the TYPE is H5FD_MEM_DEFAULT, simply find the biggest
+ *              EOA of individual file because the EOA for the whole file
+ *              is meaningless.
  *
  *-------------------------------------------------------------------------
  */
 static haddr_t
-H5FD_multi_get_eoa(const H5FD_t *_file)
+H5FD_multi_get_eoa(const H5FD_t *_file, H5FD_mem_t type)
 {
     const H5FD_multi_t	*file = (const H5FD_multi_t*)_file;
+    haddr_t eoa = 0;
+    haddr_t memb_eoa = 0;
+    static const char *func="H5FD_multi_eof";  /* Function Name for error reporting */
 
     /* Clear the error stack */
     H5Eclear_stack(H5E_DEFAULT);
 
-    return file->eoa;
+    /* The library used to have EOA for the whole file.  But it's
+     * taken out because it makes little sense for MULTI files.
+     * However, the library sometimes queries it through H5F_get_eoa.
+     * Here the code finds the biggest EOA for individual file if
+     * the query is from H5F_get_eoa (TYPE is H5FD_MEM_DEFAULT).
+     */ 
+    if(H5FD_MEM_DEFAULT == type) {
+        UNIQUE_MEMBERS(file->fa.memb_map, mt) {
+	    if (file->memb[mt]) {
+                /* Retrieve EOA */
+	        H5E_BEGIN_TRY {
+                    memb_eoa = H5FDget_eoa(file->memb[mt], mt);
+	        } H5E_END_TRY;
+
+	        if (HADDR_UNDEF==memb_eoa)
+                    H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "member file has unknown eoa", HADDR_UNDEF)
+	    } else if (file->fa.relax) {
+	        /*
+	         * The member is not open yet (maybe it doesn't exist). Make the
+	         * best guess about the end-of-file.
+	         */
+	        memb_eoa = file->memb_next[mt];
+	        assert(HADDR_UNDEF!=memb_eoa);
+	    } else {
+                H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "bad eoa", HADDR_UNDEF)
+	    }
+
+            if(memb_eoa > eoa)
+                eoa = memb_eoa;
+        } END_MEMBERS;
+    } else {
+        H5FD_mem_t mmt = file->fa.memb_map[type];
+        if (H5FD_MEM_DEFAULT==mmt) mmt = type;        
+
+	if (file->memb[mmt]) {
+            H5E_BEGIN_TRY {
+	        eoa = H5FDget_eoa(file->memb[mmt], mmt);
+            } H5E_END_TRY;
+
+	    if (HADDR_UNDEF==eoa)
+                H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "member file has unknown eoa", HADDR_UNDEF)
+	} else if (file->fa.relax) {
+int i;
+	    /*
+	     * The member is not open yet (maybe it doesn't exist). Make the
+	     * best guess about the end-of-file.
+	     */
+	    eoa = file->memb_next[mmt];
+	    assert(HADDR_UNDEF!=eoa);
+	 } else {
+            H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "bad eoa", HADDR_UNDEF)
+	 }
+    }
+
+    return eoa;
 }
 
 
@@ -1466,43 +1535,29 @@ H5FD_multi_get_eoa(const H5FD_t *_file)
  *              Wednesday, August  4, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              10 January 2007
+ *              EOA for the whole file is discarded because it's meaningless
+ *              for MULTI file.  This function only sets eoa for individual
+ *              file.
  *
  *-------------------------------------------------------------------------
  */
 static herr_t
-H5FD_multi_set_eoa(H5FD_t *_file, haddr_t eoa)
+H5FD_multi_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t eoa)
 {
     H5FD_multi_t	*file = (H5FD_multi_t*)_file;
-    H5FD_mem_t		mt, mmt;
     herr_t		status;
     static const char *func="H5FD_multi_set_eoa";  /* Function Name for error reporting */
 
     /* Clear the error stack */
     H5Eclear_stack(H5E_DEFAULT);
 
-    /* Find the subfile in which the new EOA value falls */
-    for (mt=H5FD_MEM_SUPER; mt<H5FD_MEM_NTYPES; mt=(H5FD_mem_t)(mt+1)) {
-	mmt = file->fa.memb_map[mt];
-	if (H5FD_MEM_DEFAULT==mmt) mmt = mt;
-	assert(mmt>0 && mmt<H5FD_MEM_NTYPES);
-
-	if (eoa>=file->fa.memb_addr[mmt] && eoa<file->memb_next[mmt]) {
-	    break;
-	}
-    }
-    assert(mt<H5FD_MEM_NTYPES);
-
-    /* Set subfile eoa */
-    if (file->memb[mmt]) {
-	H5E_BEGIN_TRY {
-	    status = H5FDset_eoa(file->memb[mmt], eoa-file->fa.memb_addr[mmt]);
-	} H5E_END_TRY;
-	if (status<0)
-            H5Epush_ret(func, H5E_ERR_CLS, H5E_FILE, H5E_BADVALUE, "member H5FDset_eoa failed", -1)
-    }
-
-    /* Save new eoa for return later */
-    file->eoa = eoa;
+    H5E_BEGIN_TRY {
+	status = H5FDset_eoa(file->memb[type], type, eoa);
+    } H5E_END_TRY;
+    if (status<0)
+        H5Epush_ret(func, H5E_ERR_CLS, H5E_FILE, H5E_BADVALUE, "member H5FDset_eoa failed", -1)
 
     return 0;
 }
@@ -1524,6 +1579,10 @@ H5FD_multi_set_eoa(H5FD_t *_file, haddr_t eoa)
  *              Wednesday, August  4, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              5 January 2007
+ *              Multi driver no longer has EOA for the whole file.  Calculate
+ *              it in the same way as EOF instead.
  *
  *-------------------------------------------------------------------------
  */
@@ -1531,7 +1590,8 @@ static haddr_t
 H5FD_multi_get_eof(const H5FD_t *_file)
 {
     const H5FD_multi_t	*file = (const H5FD_multi_t*)_file;
-    haddr_t		eof=0, tmp;
+    haddr_t		eof=0, tmp_eof;
+    haddr_t		eoa=0, tmp_eoa;
     static const char *func="H5FD_multi_eof";  /* Function Name for error reporting */
 
     /* Clear the error stack */
@@ -1539,29 +1599,41 @@ H5FD_multi_get_eof(const H5FD_t *_file)
 
     UNIQUE_MEMBERS(file->fa.memb_map, mt) {
 	if (file->memb[mt]) {
+            /* Retrieve EOF */
 	    H5E_BEGIN_TRY {
-		tmp = H5FDget_eof(file->memb[mt]);
+		tmp_eof = H5FDget_eof(file->memb[mt]);
 	    } H5E_END_TRY;
-	    if (HADDR_UNDEF==tmp)
+
+	    if (HADDR_UNDEF==tmp_eof)
                 H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "member file has unknown eof", HADDR_UNDEF)
-	    if (tmp>0) tmp += file->fa.memb_addr[mt];
+	    if (tmp_eof>0) tmp_eof += file->fa.memb_addr[mt];
 
+            /* Retrieve EOA */
+	    H5E_BEGIN_TRY {
+		tmp_eoa = H5FDget_eoa(file->memb[mt], mt);
+	    } H5E_END_TRY;
+
+	    if (HADDR_UNDEF==tmp_eoa)
+                H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "member file has unknown eoa", HADDR_UNDEF)
 	} else if (file->fa.relax) {
 	    /*
 	     * The member is not open yet (maybe it doesn't exist). Make the
 	     * best guess about the end-of-file.
 	     */
-	    tmp = file->memb_next[mt];
-	    assert(HADDR_UNDEF!=tmp);
+	    tmp_eof = file->memb_next[mt];
+	    assert(HADDR_UNDEF!=tmp_eof);
 
+	    tmp_eoa = file->memb_next[mt];
+	    assert(HADDR_UNDEF!=tmp_eoa);
 	} else {
             H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "bad eof", HADDR_UNDEF)
 	}
 
-	if (tmp>eof) eof = tmp;
+	if (tmp_eof>eof) eof = tmp_eof;
+	if (tmp_eoa>eoa) eoa = tmp_eoa;
     } END_MEMBERS;
 
-    return MAX(file->eoa, eof);
+    return MAX(eoa, eof);
 }
 
 
@@ -1628,6 +1700,8 @@ H5FD_multi_alloc(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size)
     if (HADDR_UNDEF==(addr=H5FDalloc(file->memb[mmt], type, dxpl_id, size)))
         H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "member file can't alloc", HADDR_UNDEF)
     addr += file->fa.memb_addr[mmt];
+
+/*#ifdef TMP
     if ( addr + size > file->eoa ) {
 
 	if ( H5FD_multi_set_eoa(_file, addr + size) < 0 ) {
@@ -1636,6 +1710,11 @@ H5FD_multi_alloc(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size)
 			"can't set eoa", HADDR_UNDEF)
 	}
     }
+#else
+    if ( addr + size > file->eoa )
+	file->eoa = addr + size;
+#endif */
+
     return addr;
 }
 
@@ -1831,7 +1910,7 @@ H5FD_multi_flush(H5FD_t *_file, hid_t dxpl_id, unsigned closing)
 
     for (mt=1; mt<H5FD_MEM_NTYPES; mt++) {
 	if (HADDR_UNDEF!=file->memb_addr[mt]) {
-	    haddr_t eoa = H5FDget_eoa(file->memb[mt]);
+	    haddr_t eoa = H5FDget_eoa(file->memb[mt], mt);
 	    fprintf(stderr, "    %6d %20llu %20llu %20llu %s\n",
 		    (int)mt, (unsigned long_long)(file->memb_addr[mt]),
 		    (unsigned long_long)eoa,
diff --git a/src/H5FDprivate.h b/src/H5FDprivate.h
index 6660e49..0d8a6e2 100644
--- a/src/H5FDprivate.h
+++ b/src/H5FDprivate.h
@@ -59,8 +59,8 @@ H5_DLL haddr_t H5FD_alloc(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, hsize_t
 H5_DLL herr_t H5FD_free(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, hsize_t size);
 H5_DLL haddr_t H5FD_realloc(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t old_addr,
 		     hsize_t old_size, hsize_t new_size);
-H5_DLL haddr_t H5FD_get_eoa(const H5FD_t *file);
-H5_DLL herr_t H5FD_set_eoa(H5FD_t *file, haddr_t addr);
+H5_DLL haddr_t H5FD_get_eoa(const H5FD_t *file, H5FD_mem_t type);
+H5_DLL herr_t H5FD_set_eoa(H5FD_t *file, H5FD_mem_t type, haddr_t addr);
 H5_DLL haddr_t H5FD_get_eof(const H5FD_t *file);
 H5_DLL herr_t H5FD_read(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size,
 		 void *buf/*out*/);
diff --git a/src/H5FDpublic.h b/src/H5FDpublic.h
index e6467d5..4eedbf1 100644
--- a/src/H5FDpublic.h
+++ b/src/H5FDpublic.h
@@ -200,8 +200,8 @@ typedef struct H5FD_class_t {
     haddr_t (*alloc)(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size);
     herr_t  (*free)(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id,
                     haddr_t addr, hsize_t size);
-    haddr_t (*get_eoa)(const H5FD_t *file);
-    herr_t  (*set_eoa)(H5FD_t *file, haddr_t addr);
+    haddr_t (*get_eoa)(const H5FD_t *file, H5FD_mem_t type);
+    herr_t  (*set_eoa)(H5FD_t *file, H5FD_mem_t type, haddr_t addr);
     haddr_t (*get_eof)(const H5FD_t *file);
     herr_t  (*get_handle)(H5FD_t *file, hid_t fapl, void**file_handle);
     herr_t  (*read)(H5FD_t *file, H5FD_mem_t type, hid_t dxpl,
@@ -289,8 +289,8 @@ H5_DLL herr_t H5FDfree(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id,
                        haddr_t addr, hsize_t size);
 H5_DLL haddr_t H5FDrealloc(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id,
                            haddr_t addr, hsize_t old_size, hsize_t new_size);
-H5_DLL haddr_t H5FDget_eoa(H5FD_t *file);
-H5_DLL herr_t H5FDset_eoa(H5FD_t *file, haddr_t eof);
+H5_DLL haddr_t H5FDget_eoa(H5FD_t *file, H5FD_mem_t type);
+H5_DLL herr_t H5FDset_eoa(H5FD_t *file, H5FD_mem_t type, haddr_t eoa);
 H5_DLL haddr_t H5FDget_eof(H5FD_t *file);
 H5_DLL herr_t H5FDget_vfd_handle(H5FD_t *file, hid_t fapl, void**file_handle);
 H5_DLL herr_t H5FDread(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id,
diff --git a/src/H5FDsec2.c b/src/H5FDsec2.c
index af020db..11adf75 100644
--- a/src/H5FDsec2.c
+++ b/src/H5FDsec2.c
@@ -149,8 +149,8 @@ static H5FD_t *H5FD_sec2_open(const char *name, unsigned flags, hid_t fapl_id,
 static herr_t H5FD_sec2_close(H5FD_t *_file);
 static int H5FD_sec2_cmp(const H5FD_t *_f1, const H5FD_t *_f2);
 static herr_t H5FD_sec2_query(const H5FD_t *_f1, unsigned long *flags);
-static haddr_t H5FD_sec2_get_eoa(const H5FD_t *_file);
-static herr_t H5FD_sec2_set_eoa(H5FD_t *_file, haddr_t addr);
+static haddr_t H5FD_sec2_get_eoa(const H5FD_t *_file, H5FD_mem_t type);
+static herr_t H5FD_sec2_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr);
 static haddr_t H5FD_sec2_get_eof(const H5FD_t *_file);
 static herr_t  H5FD_sec2_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle);
 static herr_t H5FD_sec2_read(H5FD_t *_file, H5FD_mem_t type, hid_t fapl_id, haddr_t addr,
@@ -556,11 +556,14 @@ done:
  *              Monday, August  2, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static haddr_t
-H5FD_sec2_get_eoa(const H5FD_t *_file)
+H5FD_sec2_get_eoa(const H5FD_t *_file, H5FD_mem_t UNUSED type)
 {
     const H5FD_sec2_t	*file = (const H5FD_sec2_t*)_file;
     haddr_t ret_value;  /* Return value */
@@ -590,11 +593,14 @@ done:
  *              Thursday, July 29, 1999
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static herr_t
-H5FD_sec2_set_eoa(H5FD_t *_file, haddr_t addr)
+H5FD_sec2_set_eoa(H5FD_t *_file, H5FD_mem_t UNUSED type, haddr_t addr)
 {
     H5FD_sec2_t	*file = (H5FD_sec2_t*)_file;
     herr_t ret_value=SUCCEED;   /* Return value */
diff --git a/src/H5FDstdio.c b/src/H5FDstdio.c
index 92ea653..32466bc 100644
--- a/src/H5FDstdio.c
+++ b/src/H5FDstdio.c
@@ -152,8 +152,8 @@ static H5FD_t *H5FD_stdio_open(const char *name, unsigned flags,
 static herr_t H5FD_stdio_close(H5FD_t *lf);
 static int H5FD_stdio_cmp(const H5FD_t *_f1, const H5FD_t *_f2);
 static herr_t H5FD_stdio_query(const H5FD_t *_f1, unsigned long *flags);
-static haddr_t H5FD_stdio_get_eoa(const H5FD_t *_file);
-static herr_t H5FD_stdio_set_eoa(H5FD_t *_file, haddr_t addr);
+static haddr_t H5FD_stdio_get_eoa(const H5FD_t *_file, H5FD_mem_t type);
+static herr_t H5FD_stdio_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr);
 static haddr_t H5FD_stdio_get_eof(const H5FD_t *_file);
 static herr_t  H5FD_stdio_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle);
 static herr_t H5FD_stdio_read(H5FD_t *lf, H5FD_mem_t type, hid_t fapl_id, haddr_t addr,
@@ -538,12 +538,16 @@ H5FD_stdio_query(const H5FD_t *_f, unsigned long *flags /* out */)
  *              Monday, August  2, 1999
  *
  * Modifications:
- *      Stolen from the sec2 driver - QAK, 10/18/99
+ *              Stolen from the sec2 driver - QAK, 10/18/99
+ *
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static haddr_t
-H5FD_stdio_get_eoa(const H5FD_t *_file)
+H5FD_stdio_get_eoa(const H5FD_t *_file, H5FD_mem_t /*unused*/ type)
 {
     const H5FD_stdio_t	*file = (const H5FD_stdio_t *)_file;
 
@@ -569,12 +573,15 @@ H5FD_stdio_get_eoa(const H5FD_t *_file)
  *              Thursday, July 29, 1999
  *
  * Modifications:
- *      Stolen from the sec2 driver - QAK, 10/18/99
+ *              Stolen from the sec2 driver - QAK, 10/18/99
  *
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *-------------------------------------------------------------------------
  */
 static herr_t
-H5FD_stdio_set_eoa(H5FD_t *_file, haddr_t addr)
+H5FD_stdio_set_eoa(H5FD_t *_file, H5FD_mem_t /*unused*/ type, haddr_t addr)
 {
     H5FD_stdio_t	*file = (H5FD_stdio_t*)_file;
 
diff --git a/src/H5FDstream.c b/src/H5FDstream.c
index 70ce836..d89c718 100644
--- a/src/H5FDstream.c
+++ b/src/H5FDstream.c
@@ -171,8 +171,8 @@ static H5FD_t *H5FD_stream_open (const char *name, unsigned flags,
 static herr_t  H5FD_stream_flush (H5FD_t *_stream, hid_t dxpl_id, unsigned closing);
 static herr_t  H5FD_stream_close (H5FD_t *_stream);
 static herr_t H5FD_stream_query(const H5FD_t *_f1, unsigned long *flags);
-static haddr_t H5FD_stream_get_eoa (const H5FD_t *_stream);
-static herr_t  H5FD_stream_set_eoa (H5FD_t *_stream, haddr_t addr);
+static haddr_t H5FD_stream_get_eoa (const H5FD_t *_stream, H5FD_mem_t type);
+static herr_t  H5FD_stream_set_eoa (H5FD_t *_stream, H5FD_mem_t type, haddr_t addr);
 static haddr_t H5FD_stream_get_eof (const H5FD_t *_stream);
 static herr_t  H5FD_stream_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle);
 static herr_t  H5FD_stream_read (H5FD_t *_stream, H5FD_mem_t type,
@@ -897,11 +897,14 @@ done:
  *                Tuesday, September 12, 2000
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static haddr_t
-H5FD_stream_get_eoa (const H5FD_t *_stream)
+H5FD_stream_get_eoa (const H5FD_t *_stream, H5FD_mem_t UNUSED type)
 {
   const H5FD_stream_t *stream = (const H5FD_stream_t *) _stream;
   haddr_t ret_value;            /* Return value */
@@ -930,11 +933,14 @@ done:
  *                Tuesday, September 12, 2000
  *
  * Modifications:
+ *              Raymond Lu
+ *              21 Dec. 2006
+ *              Added the parameter TYPE.  It's only used for MULTI driver.
  *
  *-------------------------------------------------------------------------
  */
 static herr_t
-H5FD_stream_set_eoa (H5FD_t *_stream, haddr_t addr)
+H5FD_stream_set_eoa (H5FD_t *_stream, H5FD_mem_t UNUSED type, haddr_t addr)
 {
   H5FD_stream_t        *stream = (H5FD_stream_t *) _stream;
     herr_t      ret_value=SUCCEED;       /* Return value */
diff --git a/src/H5Fsuper.c b/src/H5Fsuper.c
index d8c5d0e..62ada4e 100644
--- a/src/H5Fsuper.c
+++ b/src/H5Fsuper.c
@@ -120,7 +120,7 @@ H5F_read_superblock(H5F_t *f, hid_t dxpl_id, H5G_loc_t *root_loc, haddr_t addr,
         start_p = p = sbuf;
         buf_size=sizeof(sbuf);
 
-        if (H5FD_set_eoa(lf, shared->super_addr + fixed_size) < 0 ||
+        if (H5FD_set_eoa(lf, H5FD_MEM_SUPER, shared->super_addr + fixed_size) < 0 ||
                 H5FD_read(lf, H5FD_MEM_SUPER, dxpl_id, shared->super_addr, fixed_size, p) < 0)
             HGOTO_ERROR(H5E_FILE, H5E_READERROR, FAIL, "unable to read superblock")
     } else {
@@ -216,7 +216,7 @@ H5F_read_superblock(H5F_t *f, hid_t dxpl_id, H5G_loc_t *root_loc, haddr_t addr,
 
     /* The buffer (buf) is either passed in or the "local_buf" variable now */
     if(!buf) {
-        if (H5FD_set_eoa(lf, shared->super_addr + fixed_size+variable_size) < 0 ||
+        if (H5FD_set_eoa(lf, H5FD_MEM_SUPER, shared->super_addr + fixed_size+variable_size) < 0 ||
                 H5FD_read(lf, H5FD_MEM_SUPER, dxpl_id, shared->super_addr + fixed_size,
                           variable_size, p) < 0)
             HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, FAIL, "unable to read superblock")
@@ -292,7 +292,7 @@ H5F_read_superblock(H5F_t *f, hid_t dxpl_id, H5G_loc_t *root_loc, haddr_t addr,
             driver_p = p = dbuf;
             dbuf_size=sizeof(dbuf);
 
-            if (H5FD_set_eoa(lf, drv_addr + 16) < 0 ||
+            if (H5FD_set_eoa(lf, H5FD_MEM_SUPER, drv_addr + 16) < 0 ||
                     H5FD_read(lf, H5FD_MEM_SUPER, dxpl_id, drv_addr, (size_t)16, p) < 0)
                 HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, FAIL, "unable to read driver information block")
         } /* end if */
@@ -319,7 +319,7 @@ H5F_read_superblock(H5F_t *f, hid_t dxpl_id, H5G_loc_t *root_loc, haddr_t addr,
         assert((driver_size + 16) <= dbuf_size);
 
         if(!buf) {
-            if (H5FD_set_eoa(lf, drv_addr + 16 + driver_size) < 0 ||
+            if (H5FD_set_eoa(lf, H5FD_MEM_SUPER, drv_addr + 16 + driver_size) < 0 ||
                     H5FD_read(lf, H5FD_MEM_SUPER, dxpl_id, drv_addr+16, driver_size, p) < 0)
                 HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, FAIL, "unable to read file driver information")
         } /* end if */
@@ -365,7 +365,7 @@ H5F_read_superblock(H5F_t *f, hid_t dxpl_id, H5G_loc_t *root_loc, haddr_t addr,
      * Tell the file driver how much address space has already been
      * allocated so that it knows how to allocate additional memory.
      */
-    if (H5FD_set_eoa(lf, stored_eoa) < 0)
+    if (H5FD_set_eoa(lf, H5FD_MEM_SUPER, stored_eoa) < 0)
         HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, FAIL, "unable to set end-of-address marker for file")
 
     /* Decode shared object header message information and store it in the
@@ -595,7 +595,7 @@ H5F_write_superblock(H5F_t *f, hid_t dxpl_id)
       *p++ = f->shared->sohm_vers;
       *p++ = f->shared->sohm_nindexes;
     }
-    H5F_addr_encode(f, &p, H5FD_get_eoa(f->shared->lf));
+    H5F_addr_encode(f, &p, H5FD_get_eoa(f->shared->lf, H5FD_MEM_SUPER));
     H5F_addr_encode(f, &p, f->shared->driver_addr);
     if(H5G_obj_ent_encode(f, &p, H5G_oloc(f->shared->root_grp))<0)
         HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to encode root group information")
diff --git a/src/H5MF.c b/src/H5MF.c
index 9fe00b4..eeced47 100644
--- a/src/H5MF.c
+++ b/src/H5MF.c
@@ -38,6 +38,7 @@
 #include "H5Fpkg.h"
 #include "H5FDprivate.h"
 #include "H5MFprivate.h"
+#include "H5FDmulti.h"		/*multiple files partitioned by mem usage */
 
 
 /*-------------------------------------------------------------------------
@@ -234,14 +235,16 @@ done:
 hbool_t
 H5MF_alloc_overflow(H5F_t *f, hsize_t size)
 {
-    hsize_t space_needed;       /* Accumulator variable */
-    size_t c;                   /* Local index variable */
+    hsize_t space_needed = 0;    /* Accumulator variable */
+    H5FD_mem_t type;             /* Type of memory */
+    size_t c;                    /* Local index variable */
     hbool_t ret_value;           /* Return value */
 
     FUNC_ENTER_NOAPI_NOFUNC(H5MF_alloc_overflow)
 
     /* Start with the current end of the file's address. */
     space_needed = (hsize_t)H5F_get_eoa(f);
+
     HDassert(H5F_addr_defined(space_needed));
 
     /* Subtract the file's base address to get the actual amount of