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| author |   Joel Becker <Joel.Becker@oracle.com> | 2006-03-16 17:40:37 -0800 |
|---|---|---|
| committer |   Mark Fasheh <mark.fasheh@oracle.com> | 2006-06-26 14:42:42 -0700 |
| commit | c8f33b6e86af74ee7b800f57cac7b3c8559318fe (patch) | |
| tree | 8806647e8f7a6525539d0a7ecdbe8f375b8f91a3 /fs/ocfs2/dlm/dlmdomain.c | |
| parent | ocfs2: allocate lockres hash pages in an array (diff) | |
| download | linux-dev-c8f33b6e86af74ee7b800f57cac7b3c8559318fe.tar.xz linux-dev-c8f33b6e86af74ee7b800f57cac7b3c8559318fe.zip | |
[PATCH] ocfs2: Alloc at least a page for the DLM hash
The OCFS2 DLM allocates a number of pages for a hash to lookup locks.
There was a bug where a PAGE_SIZE bigger than the hash size (eg, 64K
pages) would result in zero pages allocated.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/ocfs2/dlm/dlmdomain.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c index 80b8cce9cf3c..a074ec6f193f 100644 --- a/fs/ocfs2/dlm/dlmdomain.c +++ b/fs/ocfs2/dlm/dlmdomain.c @@ -67,6 +67,9 @@ static void **dlm_alloc_pagevec(int pages) for (i = 0; i < pages; i++) if (!(vec[i] = (void *)__get_free_page(GFP_KERNEL))) goto out_free; + + mlog(0, "Allocated DLM hash pagevec; %d pages (%lu expected), %Zd buckets per page\n", + pages, DLM_HASH_PAGES, DLM_BUCKETS_PER_PAGE); return vec; out_free: dlm_free_pagevec(vec, i); |