From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Carlos Maiolino <cem@kernel.org>, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 12/15] xfs: always complete the buffer inline in xfs_buf_submit
Date: Mon, 6 Jan 2025 22:46:44 -0800 [thread overview]
Message-ID: <20250107064644.GC6174@frogsfrogsfrogs> (raw)
In-Reply-To: <20250106095613.847700-13-hch@lst.de>
On Mon, Jan 06, 2025 at 10:54:49AM +0100, Christoph Hellwig wrote:
> xfs_buf_submit now only completes a buffer on error, or for in-memory
> buftargs. There is no point in using a workqueue for the latter as
> the completion will just wake up the caller. Optimize this case by
> avoiding the workqueue roundtrip.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
This all seems simpler now...
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
--D
> ---
> fs/xfs/xfs_buf.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
> index 352cc50aeea5..0ad3cacfdba1 100644
> --- a/fs/xfs/xfs_buf.c
> +++ b/fs/xfs/xfs_buf.c
> @@ -1670,10 +1670,7 @@ xfs_buf_submit(
> xfs_buf_submit_bio(bp);
> return 0;
> done:
> - if (bp->b_error || !(bp->b_flags & XBF_ASYNC))
> - xfs_buf_ioend(bp);
> - else
> - xfs_buf_ioend_async(bp);
> + xfs_buf_ioend(bp);
> return 0;
> }
>
> --
> 2.45.2
>
>
next prev parent reply other threads:[~2025-01-07 6:46 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-06 9:54 buffer cache cleanups Christoph Hellwig
2025-01-06 9:54 ` [PATCH 01/15] xfs: fix a double completion for buffers on in-memory targets Christoph Hellwig
2025-01-07 2:00 ` Darrick J. Wong
2025-01-07 6:05 ` Christoph Hellwig
2025-01-06 9:54 ` [PATCH 02/15] xfs: remove the incorrect comment above xfs_buf_free_maps Christoph Hellwig
2025-01-07 2:00 ` Darrick J. Wong
2025-01-06 9:54 ` [PATCH 03/15] xfs: remove the incorrect comment about the b_pag field Christoph Hellwig
2025-01-07 2:01 ` Darrick J. Wong
2025-01-06 9:54 ` [PATCH 04/15] xfs: move xfs_buf_iowait out of (__)xfs_buf_submit Christoph Hellwig
2025-01-07 2:02 ` Darrick J. Wong
2025-01-06 9:54 ` [PATCH 05/15] xfs: simplify xfs_buf_delwri_pushbuf Christoph Hellwig
2025-01-07 2:08 ` Darrick J. Wong
2025-01-07 6:06 ` Christoph Hellwig
2025-01-13 7:12 ` Darrick J. Wong
2025-01-06 9:54 ` [PATCH 06/15] xfs: remove xfs_buf_delwri_submit_buffers Christoph Hellwig
2025-01-07 6:31 ` Darrick J. Wong
2025-01-07 6:33 ` Christoph Hellwig
2025-01-06 9:54 ` [PATCH 07/15] xfs: move write verification out of _xfs_buf_ioapply Christoph Hellwig
2025-01-07 6:33 ` Darrick J. Wong
2025-01-06 9:54 ` [PATCH 08/15] xfs: move in-memory buftarg handling " Christoph Hellwig
2025-01-07 6:34 ` Darrick J. Wong
2025-01-06 9:54 ` [PATCH 09/15] xfs: simplify buffer I/O submission Christoph Hellwig
2025-01-07 6:42 ` Darrick J. Wong
2025-01-07 6:46 ` Christoph Hellwig
2025-01-07 6:57 ` Darrick J. Wong
2025-01-06 9:54 ` [PATCH 10/15] xfs: move invalidate_kernel_vmap_range to xfs_buf_ioend Christoph Hellwig
2025-01-07 6:42 ` Darrick J. Wong
2025-01-06 9:54 ` [PATCH 11/15] xfs: remove the extra buffer reference in xfs_buf_submit Christoph Hellwig
2025-01-13 7:13 ` Darrick J. Wong
2025-01-06 9:54 ` [PATCH 12/15] xfs: always complete the buffer inline " Christoph Hellwig
2025-01-07 6:46 ` Darrick J. Wong [this message]
2025-01-06 9:54 ` [PATCH 13/15] xfs: simplify xfsaild_resubmit_item Christoph Hellwig
2025-01-07 6:49 ` Darrick J. Wong
2025-01-06 9:54 ` [PATCH 14/15] xfs: move b_li_list based retry handling to common code Christoph Hellwig
2025-01-07 6:55 ` Darrick J. Wong
2025-01-07 7:03 ` Christoph Hellwig
2025-01-13 7:18 ` Darrick J. Wong
2025-01-06 9:54 ` [PATCH 15/15] xfs: add a b_iodone callback to struct xfs_buf Christoph Hellwig
2025-01-07 6:58 ` Darrick J. Wong
-- strict thread matches above, loose matches on Subject: below --
2025-01-13 14:12 buffer cache cleanups v2 Christoph Hellwig
2025-01-13 14:12 ` [PATCH 12/15] xfs: always complete the buffer inline in xfs_buf_submit Christoph Hellwig
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