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-rw-r--r--src/H5Ochunk.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/H5Ochunk.c b/src/H5Ochunk.c
index f6eb135..50be171 100644
--- a/src/H5Ochunk.c
+++ b/src/H5Ochunk.c
@@ -403,7 +403,9 @@ 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);
- cache_flags |= H5AC__DIRTIED_FLAG | H5AC__FREE_FILE_SPACE_FLAG;
+ /* Only free file space if not doing SWMR writes */
+ if(!oh->swmr_write)
+ cache_flags |= H5AC__DIRTIED_FLAG | H5AC__FREE_FILE_SPACE_FLAG;
/* Release the chunk proxy from the cache, marking it deleted */
if(H5AC_unprotect(f, dxpl_id, H5AC_OHDR_CHK, oh->chunk[idx].addr, chk_proxy, cache_flags) < 0)