From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Damien Le Moal <Damien.LeMoal@wdc.com>,
Andreas Gruenbacher <agruenba@redhat.com>,
linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 08/12] xfs: simplify xfs_ioend_can_merge
Date: Mon, 24 Jun 2019 09:00:56 -0700 [thread overview]
Message-ID: <20190624160056.GN5387@magnolia> (raw)
In-Reply-To: <20190624055253.31183-9-hch@lst.de>
On Mon, Jun 24, 2019 at 07:52:49AM +0200, Christoph Hellwig wrote:
> Compare the block layer status directly instead of converting it to
> an errno first.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
--D
> ---
> fs/xfs/xfs_aops.c | 14 ++------------
> 1 file changed, 2 insertions(+), 12 deletions(-)
>
> diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
> index 017b87b7765f..acbd73976067 100644
> --- a/fs/xfs/xfs_aops.c
> +++ b/fs/xfs/xfs_aops.c
> @@ -226,13 +226,9 @@ xfs_end_ioend(
> static bool
> xfs_ioend_can_merge(
> struct xfs_ioend *ioend,
> - int ioend_error,
> struct xfs_ioend *next)
> {
> - int next_error;
> -
> - next_error = blk_status_to_errno(next->io_bio->bi_status);
> - if (ioend_error != next_error)
> + if (ioend->io_bio->bi_status != next->io_bio->bi_status)
> return false;
> if ((ioend->io_fork == XFS_COW_FORK) ^ (next->io_fork == XFS_COW_FORK))
> return false;
> @@ -251,17 +247,11 @@ xfs_ioend_try_merge(
> struct list_head *more_ioends)
> {
> struct xfs_ioend *next_ioend;
> - int ioend_error;
> -
> - if (list_empty(more_ioends))
> - return;
> -
> - ioend_error = blk_status_to_errno(ioend->io_bio->bi_status);
>
> while (!list_empty(more_ioends)) {
> next_ioend = list_first_entry(more_ioends, struct xfs_ioend,
> io_list);
> - if (!xfs_ioend_can_merge(ioend, ioend_error, next_ioend))
> + if (!xfs_ioend_can_merge(ioend, next_ioend))
> break;
> list_move_tail(&next_ioend->io_list, &ioend->io_list);
> ioend->io_size += next_ioend->io_size;
> --
> 2.20.1
>
next prev parent reply other threads:[~2019-06-24 16:01 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-24 5:52 lift the xfs writepage code into iomap Christoph Hellwig
2019-06-24 5:52 ` [PATCH 01/12] list.h: add a list_pop helper Christoph Hellwig
2019-06-24 14:53 ` Darrick J. Wong
2019-06-24 15:51 ` Matthew Wilcox
2019-06-25 10:06 ` Christoph Hellwig
2019-06-24 5:52 ` [PATCH 02/12] xfs: simplify xfs_chain_bio Christoph Hellwig
2019-06-24 15:14 ` Darrick J. Wong
2019-06-24 5:52 ` [PATCH 03/12] xfs: fix a comment typo in xfs_submit_ioend Christoph Hellwig
2019-06-24 14:53 ` Darrick J. Wong
2019-06-24 5:52 ` [PATCH 04/12] xfs: initialize ioma->flags in xfs_bmbt_to_iomap Christoph Hellwig
2019-06-24 14:57 ` Darrick J. Wong
2019-06-25 10:07 ` Christoph Hellwig
2019-06-25 15:13 ` Darrick J. Wong
2019-06-25 15:21 ` Christoph Hellwig
2019-06-24 5:52 ` [PATCH 05/12] xfs: use a struct iomap in xfs_writepage_ctx Christoph Hellwig
2019-06-24 15:50 ` Darrick J. Wong
2019-06-24 5:52 ` [PATCH 06/12] xfs: remove XFS_TRANS_NOFS Christoph Hellwig
2019-06-24 15:58 ` Darrick J. Wong
2019-06-24 22:59 ` Dave Chinner
2019-06-25 10:12 ` Christoph Hellwig
2019-06-24 5:52 ` [PATCH 07/12] xfs: don't preallocate a transaction for file size updates Christoph Hellwig
2019-06-24 16:17 ` Darrick J. Wong
2019-06-24 23:15 ` Dave Chinner
2019-06-25 10:25 ` Christoph Hellwig
2019-06-27 22:23 ` Dave Chinner
2019-06-24 5:52 ` [PATCH 08/12] xfs: simplify xfs_ioend_can_merge Christoph Hellwig
2019-06-24 16:00 ` Darrick J. Wong [this message]
2019-06-24 5:52 ` [PATCH 09/12] xfs: refactor the ioend merging code Christoph Hellwig
2019-06-24 16:04 ` Darrick J. Wong
2019-06-24 16:06 ` Nikolay Borisov
2019-06-25 10:14 ` Christoph Hellwig
2019-06-25 12:42 ` Nikolay Borisov
2019-06-25 14:45 ` Darrick J. Wong
2019-06-24 5:52 ` [PATCH 10/12] xfs: remove the fork fields in the writepage_ctx and ioend Christoph Hellwig
2019-06-24 16:08 ` Darrick J. Wong
2019-06-24 5:52 ` [PATCH 11/12] iomap: move the xfs writeback code to iomap.c Christoph Hellwig
2019-06-24 15:46 ` Darrick J. Wong
2019-06-25 10:08 ` Christoph Hellwig
2019-06-24 23:43 ` Dave Chinner
2019-06-25 10:10 ` Christoph Hellwig
2019-06-28 0:45 ` Dave Chinner
2019-06-28 5:33 ` Christoph Hellwig
2019-07-01 0:08 ` Dave Chinner
2019-07-01 6:43 ` Christoph Hellwig
2019-07-01 23:09 ` Dave Chinner
2019-06-28 22:27 ` Luis Chamberlain
2019-07-11 21:31 ` Brendan Higgins
2019-06-24 5:52 ` [PATCH 12/12] iomap: add tracing for the address space operations Christoph Hellwig
2019-06-24 23:49 ` Dave Chinner
2019-06-25 10:15 ` Christoph Hellwig
2019-06-25 14:47 ` Darrick J. Wong
2019-06-27 22:35 ` Dave Chinner
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