On Sat, Mar 7, 2015 at 5:54 AM, Dave Chinner wrote:
>
> If you're getting stuff there, I'd be looking for a bug in ext4, not
> the rwsem code. There's no way there should be enough unwritten
> extent conversion pending to lock up the system for that length of
> time. Especially considering the
On Sat, Mar 7, 2015 at 5:54 AM, Dave Chinner da...@fromorbit.com wrote:
If you're getting stuff there, I'd be looking for a bug in ext4, not
the rwsem code. There's no way there should be enough unwritten
extent conversion pending to lock up the system for that length of
time. Especially
On Sat, 2015-03-07 at 08:54 +1100, Dave Chinner wrote:
> On Fri, Mar 06, 2015 at 11:13:10PM +0800, Ming Lei wrote:
> > Before commit b3fd4f03ca0b995(locking/rwsem: Avoid deceiving lock
> > spinners), rwsem_spin_on_owner() returns false if the owner is changed.
> > This commit just returns true
On Fri, Mar 06, 2015 at 11:13:10PM +0800, Ming Lei wrote:
> Before commit b3fd4f03ca0b995(locking/rwsem: Avoid deceiving lock
> spinners), rwsem_spin_on_owner() returns false if the owner is changed.
> This commit just returns true under the situation, then kernel
> softlock can be triggered
Before commit b3fd4f03ca0b995(locking/rwsem: Avoid deceiving lock
spinners), rwsem_spin_on_owner() returns false if the owner is changed.
This commit just returns true under the situation, then kernel
softlock can be triggered easily in xfstest.
So this patch recovers to previous behaviour, and
Before commit b3fd4f03ca0b995(locking/rwsem: Avoid deceiving lock
spinners), rwsem_spin_on_owner() returns false if the owner is changed.
This commit just returns true under the situation, then kernel
softlock can be triggered easily in xfstest.
So this patch recovers to previous behaviour, and
On Fri, Mar 06, 2015 at 11:13:10PM +0800, Ming Lei wrote:
Before commit b3fd4f03ca0b995(locking/rwsem: Avoid deceiving lock
spinners), rwsem_spin_on_owner() returns false if the owner is changed.
This commit just returns true under the situation, then kernel
softlock can be triggered easily in
On Sat, 2015-03-07 at 08:54 +1100, Dave Chinner wrote:
On Fri, Mar 06, 2015 at 11:13:10PM +0800, Ming Lei wrote:
Before commit b3fd4f03ca0b995(locking/rwsem: Avoid deceiving lock
spinners), rwsem_spin_on_owner() returns false if the owner is changed.
This commit just returns true under the
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