From: Brian Foster <bfoster@redhat.com>
To: Dave Chinner <david@fromorbit.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 08/12] xfs: remove unnecessary quotaoff intent item push handler
Date: Mon, 20 Apr 2020 10:02:57 -0400 [thread overview]
Message-ID: <20200420140257.GG27516@bfoster> (raw)
In-Reply-To: <20200420035858.GK9800@dread.disaster.area>
On Mon, Apr 20, 2020 at 01:58:58PM +1000, Dave Chinner wrote:
> On Fri, Apr 17, 2020 at 11:08:55AM -0400, Brian Foster wrote:
> > The quotaoff intent item push handler unconditionally returns locked
> > status because it remains AIL resident until removed by the
> > quotafoff end intent. xfsaild_push_item() already returns pinned
> > status for items (generally intents) without a push handler. This is
> > effectively the same behavior for the purpose of quotaoff, so remove
>
> It's not the same. XFS_ITEM_PINNED results in a log force from the
> xfsaild, while XFS_ITEM_LOCKED items are just skipped. So this
> change will result in a log force every time the AIL push sees a
> quotaoff log item. Hence I think the code as it stands is correct
> as log forces will not speed up the removal of the quotaoff item
> from the AIL...
>
Ah right.. I was thinking we had a count heuristic there but we
potentially force the log once we hit at least one pinned item. I think
this same thing might have come up when this was first refactored. I'll
drop this one..
Brian
> Cheers,
>
> Dave.
> --
> Dave Chinner
> david@fromorbit.com
>
next prev parent reply other threads:[~2020-04-20 14:03 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-17 15:08 [PATCH 00/12] xfs: flush related error handling cleanups Brian Foster
2020-04-17 15:08 ` [PATCH 01/12] xfs: refactor failed buffer resubmission into xfsaild Brian Foster
2020-04-17 22:37 ` Allison Collins
2020-04-20 2:45 ` Dave Chinner
2020-04-20 13:58 ` Brian Foster
2020-04-20 22:19 ` Dave Chinner
2020-04-17 15:08 ` [PATCH 02/12] xfs: factor out buffer I/O failure simulation code Brian Foster
2020-04-17 22:37 ` Allison Collins
2020-04-20 2:48 ` Dave Chinner
2020-04-20 13:58 ` Brian Foster
2020-04-17 15:08 ` [PATCH 03/12] xfs: always attach iflush_done and simplify error handling Brian Foster
2020-04-18 0:07 ` Allison Collins
2020-04-20 13:59 ` Brian Foster
2020-04-20 3:08 ` Dave Chinner
2020-04-20 14:00 ` Brian Foster
2020-04-17 15:08 ` [PATCH 04/12] xfs: remove unnecessary shutdown check from xfs_iflush() Brian Foster
2020-04-18 0:27 ` Allison Collins
2020-04-20 3:10 ` Dave Chinner
2020-04-17 15:08 ` [PATCH 05/12] xfs: ratelimit unmount time per-buffer I/O error warning Brian Foster
2020-04-20 3:19 ` Dave Chinner
2020-04-20 14:02 ` Brian Foster
2020-04-20 22:23 ` Dave Chinner
2020-04-21 12:13 ` Brian Foster
2020-04-20 18:50 ` Allison Collins
2020-04-17 15:08 ` [PATCH 06/12] xfs: remove duplicate verification from xfs_qm_dqflush() Brian Foster
2020-04-20 3:53 ` Dave Chinner
2020-04-20 14:02 ` Brian Foster
2020-04-20 22:31 ` Dave Chinner
2020-04-17 15:08 ` [PATCH 07/12] xfs: abort consistently on dquot flush failure Brian Foster
2020-04-20 3:54 ` Dave Chinner
2020-04-20 18:50 ` Allison Collins
2020-04-17 15:08 ` [PATCH 08/12] xfs: remove unnecessary quotaoff intent item push handler Brian Foster
2020-04-20 3:58 ` Dave Chinner
2020-04-20 14:02 ` Brian Foster [this message]
2020-04-17 15:08 ` [PATCH 09/12] xfs: elide the AIL lock on log item failure tracking Brian Foster
2020-04-17 15:08 ` [PATCH 10/12] xfs: clean up AIL log item removal functions Brian Foster
2020-04-20 4:32 ` Dave Chinner
2020-04-20 14:03 ` Brian Foster
2020-04-17 15:08 ` [PATCH 11/12] xfs: remove unused iflush stale parameter Brian Foster
2020-04-20 4:34 ` Dave Chinner
2020-04-20 19:19 ` Allison Collins
2020-04-17 15:08 ` [PATCH 12/12] xfs: random buffer write failure errortag Brian Foster
2020-04-20 4:37 ` Dave Chinner
2020-04-20 14:04 ` Brian Foster
2020-04-20 22:42 ` Allison Collins
2020-04-19 22:53 ` [PATCH 00/12] xfs: flush related error handling cleanups Dave Chinner
2020-04-20 14:06 ` Brian Foster
2020-04-20 22:53 ` Dave Chinner
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