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SubjectRe: [PATCH] locking/rwsem: Add up_write_non_owner() for percpu_up_write()
On Wed, Apr 04, 2018 at 10:37:26AM -0400, Waiman Long wrote:
> The commit 8c5db92a705d ("locking/rwsem: Add DEBUG_RWSEMS to look for
> lock/unlock mismatches") causes a warning in ext4 fstests due to the
> fact that the freeze and thaw ioctls, by design, are run in different
> processes.

While true, it's not just ext4 fstests --- it's any file system which
supports freeze/thaw, since it's happening in the vfs layer. I have
just as easily replicated the problem using "kvm-xfstests -c xfs
generic/068". Or "kvm-xfstests -c btrfs generic/068".


- Ted

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