* Andrew Morton <[EMAIL PROTECTED]> wrote:
> > Revert bd_mount_mutex back to a semaphore so that xfs_freeze -f
> > /mnt/newtest; xfs_freeze -u /mnt/newtest works safely and doesn't
> > produce lockdep warnings.
>
> Sad. The alternative would be to implement
> mutex_unlock_dont_warn_if_a_different_task_did_it(). Ingo? Possible?
i'd like to avoid it as much as i'd like to avoid having to add
spin_unlock_dont_warn_if_a_different_task_did_it(). Unlocking by a
different task is usually a sign of messy locking and bugs lurking. Is
it really true that XFS's use of bd_mount_mutex is safe and justified?
Ingo
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