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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2006-09-23 14:34:10 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2006-09-23 14:34:10 +0200 |
| commit | 919251758195919ae3568021bc221e4f8c4b20eb (patch) | |
| tree | 81137a037ff8e6c91cc8de72d568275605c653c5 /fs/ocfs2/cluster/heartbeat.c | |
| parent | c394f1eafef61c6666f5876afde6110a276c4c9f (diff) | |
| parent | 3eeab61aa3ddd3c0bedb7449ada1599de22fdb5a (diff) | |
Merge branch 'mainline' into upstream-linus
Diffstat (limited to 'fs/ocfs2/cluster/heartbeat.c')
| -rw-r--r-- | fs/ocfs2/cluster/heartbeat.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 504595d6cf6..305cba3681f 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -320,8 +320,12 @@ static int compute_max_sectors(struct block_device *bdev) max_pages = q->max_hw_segments; max_pages--; /* Handle I/Os that straddle a page */ - max_sectors = max_pages << (PAGE_SHIFT - 9); - + if (max_pages) { + max_sectors = max_pages << (PAGE_SHIFT - 9); + } else { + /* If BIO contains 1 or less than 1 page. */ + max_sectors = q->max_sectors; + } /* Why is fls() 1-based???? */ pow_two_sectors = 1 << (fls(max_sectors) - 1); |