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-rw-r--r--src/H5Oalloc.c71
-rw-r--r--src/H5Ochunk.c11
2 files changed, 69 insertions, 13 deletions
diff --git a/src/H5Oalloc.c b/src/H5Oalloc.c
index 0ff52f1..c889abb 100644
--- a/src/H5Oalloc.c
+++ b/src/H5Oalloc.c
@@ -920,7 +920,7 @@ H5O_alloc_new_chunk(H5F_t *f, hid_t dxpl_id, H5O_t *oh, size_t size, size_t *new
oh->chunk = x;
} /* end if */
- chunkno = oh->nchunks++;
+ chunkno = (unsigned)oh->nchunks++;
oh->chunk[chunkno].addr = new_chunk_addr;
oh->chunk[chunkno].size = size;
oh->chunk[chunkno].gap = 0;
@@ -965,6 +965,8 @@ H5O_alloc_new_chunk(H5F_t *f, hid_t dxpl_id, H5O_t *oh, size_t size, size_t *new
oh->nmesgs--;
} /* end if */
else {
+ HDassert(curr_msg->type->id != H5O_CONT_ID);
+
/* Copy the raw data */
HDmemcpy(p, curr_msg->raw - (size_t)H5O_SIZEOF_MSGHDR_OH(oh),
curr_msg->raw_size + (size_t)H5O_SIZEOF_MSGHDR_OH(oh));
@@ -1454,6 +1456,7 @@ H5O_move_msgs_forward(H5F_t *f, hid_t dxpl_id, H5O_t *oh)
{
H5O_chunk_proxy_t *null_chk_proxy = NULL; /* Chunk that null message is in */
H5O_chunk_proxy_t *curr_chk_proxy = NULL; /* Chunk that message is in */
+ H5O_chunk_proxy_t *cont_targ_chk_proxy = NULL; /* Chunk that continuation message points to */
hbool_t null_chk_dirtied = FALSE; /* Flags for unprotecting null chunk */
hbool_t curr_chk_dirtied = FALSE; /* Flags for unprotecting curr chunk */
hbool_t packed_msg; /* Flag to indicate that messages were packed */
@@ -1543,13 +1546,13 @@ H5O_move_msgs_forward(H5F_t *f, hid_t dxpl_id, H5O_t *oh)
if(H5O_CONT_ID == curr_msg->type->id) {
htri_t status; /* Status from moving messages */
- if((status = H5O_move_cont(f, dxpl_id, oh, u)) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_CANTDELETE, FAIL, "Error in moving messages into cont message")
- else if(status > 0) { /* Message(s) got moved into "continuation" message */
+ if((status = H5O_move_cont(f, dxpl_id, oh, u)) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDELETE, FAIL, "Error in moving messages into cont message")
+ else if(status > 0) { /* Message(s) got moved into "continuation" message */
packed_msg = TRUE;
- break;
- } /* end else-if */
- } /* end if */
+ break;
+ } /* end else-if */
+ } /* end if */
/* Don't let locked messages be moved into earlier chunk */
if(!curr_msg->locked) {
@@ -1570,6 +1573,46 @@ H5O_move_msgs_forward(H5F_t *f, hid_t dxpl_id, H5O_t *oh)
if(NULL == (curr_chk_proxy = H5O_chunk_protect(f, dxpl_id, oh, curr_msg->chunkno)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to load object header chunk")
+ /* If the message being moved is a continuation
+ * message and we are doing SWMR writes, we must
+ * update the flush dependencies */
+ if((H5F_INTENT(f) & H5F_ACC_SWMR_WRITE)
+ && (H5O_CONT_ID == curr_msg->type->id)) {
+ void *null_chk_mdc_obj = NULL; /* The metadata cache object for the null_msg chunk */
+
+ /* Point to the metadata cache object for the
+ * null message chunk, oh if in chunk 0 or the
+ * proxy otherwise */
+ null_chk_mdc_obj = (null_msg->chunkno == 0
+ ? (void *)oh
+ : (void *)null_chk_proxy);
+
+ /* The other chunks involved should never be
+ * chunk 0 */
+ HDassert(curr_msg->chunkno > 0);
+ HDassert(((H5O_cont_t *)(curr_msg->native))->chunkno > 0);
+
+ /* Protect continuation message target chunk */
+ if(NULL == (cont_targ_chk_proxy = H5O_chunk_protect(f, dxpl_id, oh, ((H5O_cont_t *)(curr_msg->native))->chunkno)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to load object header chunk")
+
+ /* Remove flush dependency on old continuation
+ * message chunk */
+ if(H5AC_destroy_flush_dependency(curr_chk_proxy, cont_targ_chk_proxy) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTUNDEPEND, FAIL, "unable to destroy flush dependency")
+
+ /* Create flush dependency on new continuation
+ * message chunk */
+ if(H5AC_create_flush_dependency(null_chk_mdc_obj, cont_targ_chk_proxy) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDEPEND, FAIL, "unable to create flush dependency")
+
+ /* Unprotect continuation message target chunk
+ */
+ if(H5O_chunk_unprotect(f, dxpl_id, cont_targ_chk_proxy, FALSE) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to unprotect object header chunk")
+ cont_targ_chk_proxy = NULL;
+ } /* end if */
+
/* Copy raw data for non-null message to new chunk */
HDmemcpy(null_msg->raw - H5O_SIZEOF_MSGHDR_OH(oh), curr_msg->raw - H5O_SIZEOF_MSGHDR_OH(oh), curr_msg->raw_size + (size_t)H5O_SIZEOF_MSGHDR_OH(oh));
@@ -1714,10 +1757,16 @@ H5O_move_msgs_forward(H5F_t *f, hid_t dxpl_id, H5O_t *oh)
ret_value = (htri_t)did_packing;
done:
- if(null_chk_proxy && H5O_chunk_unprotect(f, dxpl_id, null_chk_proxy, null_chk_dirtied) < 0)
- HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to unprotect null object header chunk")
- if(curr_chk_proxy && H5O_chunk_unprotect(f, dxpl_id, curr_chk_proxy, curr_chk_dirtied) < 0)
- HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to unprotect current object header chunk")
+ if(ret_value < 0) {
+ if(null_chk_proxy && H5O_chunk_unprotect(f, dxpl_id, null_chk_proxy, null_chk_dirtied) < 0)
+ HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to unprotect null object header chunk")
+ if(curr_chk_proxy && H5O_chunk_unprotect(f, dxpl_id, curr_chk_proxy, curr_chk_dirtied) < 0)
+ HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to unprotect current object header chunk")
+ if(cont_targ_chk_proxy && H5O_chunk_unprotect(f, dxpl_id, cont_targ_chk_proxy, FALSE) < 0)
+ HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to unprotect continuation message target object header chunk")
+ } /* end if */
+ else
+ HDassert(!null_chk_proxy && !curr_chk_proxy && !cont_targ_chk_proxy);
FUNC_LEAVE_NOAPI(ret_value)
} /* H5O_move_msgs_forward() */
diff --git a/src/H5Ochunk.c b/src/H5Ochunk.c
index af4233e..8b380b2 100644
--- a/src/H5Ochunk.c
+++ b/src/H5Ochunk.c
@@ -402,8 +402,15 @@ H5O_chunk_delete(H5F_t *f, hid_t dxpl_id, H5O_t *oh, unsigned idx)
HDassert(chk_proxy->oh == oh);
HDassert(chk_proxy->chunkno == idx);
- /* Only free file space if not doing SWMR writes */
- if(!(H5F_INTENT(f) & H5F_ACC_SWMR_WRITE))
+ /* Update flush dependencies if doing SWMR writes */
+ if(H5F_INTENT(f) & H5F_ACC_SWMR_WRITE) {
+ /* Remove flush dependency on object header proxy, if proxy exists */
+ if(oh->proxy_present)
+ if(H5O_proxy_undepend(f, dxpl_id, oh, chk_proxy) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTUNDEPEND, FAIL, "can't destroy flush dependency on object header proxy")
+ } /* end if */
+ else
+ /* Only free file space if not doing SWMR writes */
cache_flags |= H5AC__DIRTIED_FLAG | H5AC__FREE_FILE_SPACE_FLAG;
/* Release the chunk proxy from the cache, marking it deleted */