Messages in this thread | ![/](/images/icornerl.gif) | | From | David Howells <> | Subject | Re: [PATCH v2 1/2] fscache: Use wait_on_bit() to wait for the freeing of relinquished volume | Date | Wed, 11 Jan 2023 16:06:10 +0000 |
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Hou Tao <houtao@huaweicloud.com> wrote:
> clear_bit(FSCACHE_VOLUME_ACQUIRE_PENDING, &cursor->flags); > + /* > + * Paired with barrier in wait_on_bit(). Check > + * wake_up_bit() and waitqueue_active() for details. > + */ > + smp_mb__after_atomic(); > wake_up_bit(&cursor->flags, FSCACHE_VOLUME_ACQUIRE_PENDING);
What two values are you applying a partial ordering to?
David
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