Messages in this thread Patch in this message | | | Date | Mon, 10 Sep 2012 14:38:35 +0800 | From | Wang Sheng-Hui <> | Subject | [PATCH] btrfs: fix disk-io.c/btrfs_read_dev_super with BTRFS_SUPER_MIRROR_MAX to control the loops |
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To check the duplicated super blocks, use BTRFS_SUPER_MIRROR_MAX as the loops limit.
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com> --- fs/btrfs/disk-io.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 22e98e0..a431144 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2723,7 +2723,7 @@ struct buffer_head *btrfs_read_dev_super(struct block_device *bdev) * So, we need to add a special mount option to scan for * later supers, using BTRFS_SUPER_MIRROR_MAX instead */ - for (i = 0; i < 1; i++) { + for (i = 0; i < BTRFS_SUPER_MIRROR_MAX; i++) { bytenr = btrfs_sb_offset(i); if (bytenr + 4096 >= i_size_read(bdev->bd_inode)) break; -- 1.7.1
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