Re: [PATCH v2 0/3] xfs: Reduce spinlock contention in log space slowpath code

2018-08-26 Thread Dave Chinner
On Sun, Aug 26, 2018 at 04:53:12PM -0400, Waiman Long wrote: > v1->v2: > - For patch 1, remove wake_q_empty() & add task_in_wake_q(). > - Rewrite patch 2 after comments from Dave Chinner and break it down >to 2 separate patches. Now the original xfs logic was kept. The >patches just try t

[PATCH v2 0/3] xfs: Reduce spinlock contention in log space slowpath code

2018-08-26 Thread Waiman Long
v1->v2: - For patch 1, remove wake_q_empty() & add task_in_wake_q(). - Rewrite patch 2 after comments from Dave Chinner and break it down to 2 separate patches. Now the original xfs logic was kept. The patches just try to move the task wakeup calls to outside the spinlock. While running