ext3: destroy sbi mutexes in put_super

Call mutex_destroy() on superblock mutexes in ext3_put_super().
Otherwise mutex debugging code isn't able to detect that mutex is used
after being freed.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Jan Kara <jack@suse.cz>
1 file changed