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| author | Mark Fasheh <mark.fasheh@oracle.com> | 2007-02-09 20:24:12 -0800 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2007-04-26 15:02:08 -0700 |
| commit | 9517bac6cc7a7aa4fee63cb38a32cb6014e264c7 (patch) | |
| tree | 3cac0c18d0cacc316e0e8a60f483282d6f991779 /fs/ocfs2/extent_map.c | |
| parent | 89488984ac23b0580f959b9ee549f2fcb1c2f194 (diff) | |
| download | lwn-9517bac6cc7a7aa4fee63cb38a32cb6014e264c7.tar.gz lwn-9517bac6cc7a7aa4fee63cb38a32cb6014e264c7.zip | |
ocfs2: teach ocfs2_file_aio_write() about sparse files
Unfortunately, ocfs2 can no longer make use of generic_file_aio_write_nlock()
because allocating writes will require zeroing of pages adjacent to the I/O
for cluster sizes greater than page size.
Implement a custom file write here, which can order page locks for zeroing.
This also has the advantage that cluster locks can easily be ordered outside
of the page locks.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/extent_map.c')
| -rw-r--r-- | fs/ocfs2/extent_map.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 3b4322fd369a..937c2722b753 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -67,8 +67,8 @@ static int ocfs2_search_extent_list(struct ocfs2_extent_list *el, return ret; } -static int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, - u32 *p_cluster, u32 *num_clusters) +int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, + u32 *p_cluster, u32 *num_clusters) { int ret, i; struct buffer_head *di_bh = NULL; |