diff options
| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2014-07-03 17:36:36 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2014-08-22 15:04:50 +0200 |
| commit | 23d7f6d9dc0aa42e30fe9642b4e0876354d2c02e (patch) | |
| tree | a4126379363d41fb397f73df5d532f65104d10f2 /cmds-filesystem.c | |
| parent | bc70abad8cddc344bef1378017d159139c89d4ba (diff) | |
btrfs-progs: Allow btrfs_read_dev_super() to read all 3 super for super_recover.
Btrfs-progs superblock checksum check is somewhat too restricted for
super-recover, since current btrfs-progs will only read the 1st
superblock and if you need super-recover the 1st superblock is
possibly already damaged.
The fix is introducing super_recover parameter for
btrfs_read_dev_super() and callers to allow scan backup superblocks if
needed.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'cmds-filesystem.c')
| -rw-r--r-- | cmds-filesystem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cmds-filesystem.c b/cmds-filesystem.c index 6d7c13e6..46754998 100644 --- a/cmds-filesystem.c +++ b/cmds-filesystem.c @@ -513,7 +513,7 @@ static int dev_to_fsid(char *dev, __u8 *fsid) disk_super = (struct btrfs_super_block *)buf; ret = btrfs_read_dev_super(fd, disk_super, - BTRFS_SUPER_INFO_OFFSET); + BTRFS_SUPER_INFO_OFFSET, 0); if (ret) goto out; |