From: Anand Jain <anand.jain@oracle.com>
To: linux-btrfs@vger.kernel.org
Subject: [PATCH 1/2] btrfs: use BTRFS_SUPER_INFO_SIZE macro at btrfs_read_dev_super()
Date: Fri, 26 Jul 2013 01:29:35 +0800 [thread overview]
Message-ID: <1374773376-29853-1-git-send-email-anand.jain@oracle.com> (raw)
Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
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 dfe6864..de5884f 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2982,9 +2982,11 @@ 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;
--
1.7.1
next reply other threads:[~2013-07-25 17:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-25 17:29 Anand Jain [this message]
2013-07-25 17:29 ` [PATCH 2/2] btrfs: btrfs_rm_device() should zero mirror SB as well Anand Jain
2013-08-09 20:47 ` Eric Sandeen
2013-08-10 2:04 ` anand jain
2013-08-10 22:10 ` Eric Sandeen
2013-08-12 2:39 ` Anand Jain
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