David Sterba e43f998e47 btrfs: call mnt_drop_write after interrupted subvol deletion ...

If btrfs_ioctl_snap_destroy blocks on the mutex and the process is
killed, mnt_write count is unbalanced and leads to unmountable
filesystem.

CC: stable@vger.kernel.org
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>

2013-12-12 07:11:38 -08:00

108 KiB

Raw Blame History

View Raw