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| author | Anand Jain <Anand.Jain@oracle.com> | 2013-07-26 01:29:35 +0800 |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2013-09-01 08:04:37 -0400 |
| commit | 8068a47e2a77ecae27cfd0298e8732756f565ed1 (patch) | |
| tree | e5f5791de996f999059257b6bffcc55cebc081ba /fs | |
| parent | 125bac016d60e78120e92904a5b2fc3a5ebf0475 (diff) | |
| download | linux-8068a47e2a77ecae27cfd0298e8732756f565ed1.tar.bz2 | |
btrfs: use BTRFS_SUPER_INFO_SIZE macro at btrfs_read_dev_super()
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/disk-io.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 8e2eee67c3a8..13564354c927 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2984,9 +2984,11 @@ struct buffer_head *btrfs_read_dev_super(struct block_device *bdev) */ for (i = 0; i < 1; i++) { bytenr = btrfs_sb_offset(i); - if (bytenr + 4096 >= i_size_read(bdev->bd_inode)) + if (bytenr + BTRFS_SUPER_INFO_SIZE >= + i_size_read(bdev->bd_inode)) break; - bh = __bread(bdev, bytenr / 4096, 4096); + bh = __bread(bdev, bytenr / 4096, + BTRFS_SUPER_INFO_SIZE); if (!bh) continue; |