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authorLiu Bo <bo.li.liu@oracle.com>2013-04-16 09:20:28 +0000
committerJosef Bacik <jbacik@fusionio.com>2013-05-06 15:54:55 -0400
commit0abd5b17249ea5ca49a3a9ad4285cac3dfa8c30b (patch)
tree26b1399cc7b83ddabd2427d283a5a39a1dd878c5 /fs/btrfs/disk-io.c
parent3c59ccd32abb8f636b1573533d3e77972e80a9c9 (diff)
Btrfs: return error when we specify wrong start to defrag
We need such a sanity check for wrong start when we defrag a file, otherwise, even with a wrong start that's larger than file size, we can end up changing not only inode's force compress flag but also FS's incompat flags. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
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