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| author |   Jan Kara <jack@suse.cz> | 2007-10-10 16:25:42 +0200 |
|---|---|---|
| committer |   Mark Fasheh <mark.fasheh@oracle.com> | 2007-11-06 15:35:35 -0800 |
| commit | bc7e97cbdd4bef162e5772c74ee2cc4487a2d997 (patch) | |
| tree | cf35117281896022e70a4fd5655ccc2f0f8bfcf3 /fs/ocfs2/cluster/heartbeat.c | |
| parent | ocfs2: fix write() performance regression (diff) | |
| download | linux-dev-bc7e97cbdd4bef162e5772c74ee2cc4487a2d997.tar.xz linux-dev-bc7e97cbdd4bef162e5772c74ee2cc4487a2d997.zip | |
[PATCH] Fix possibly too long write in o2hb_setup_one_bio()
We should subtract start of our IO from PAGE_CACHE_SIZE to get the right
length of the write we want to perform.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/ocfs2/cluster/heartbeat.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 9cc7c0418b70..f02ccb34604d 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -267,7 +267,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, current_page = cs / spp; page = reg->hr_slot_data[current_page]; - vec_len = min(PAGE_CACHE_SIZE, + vec_len = min(PAGE_CACHE_SIZE - vec_start, (max_slots-cs) * (PAGE_CACHE_SIZE/spp) ); mlog(ML_HB_BIO, "page %d, vec_len = %u, vec_start = %u\n", |