From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
avi@scylladb.com, Dave Chinner <dchinner@redhat.com>
Subject: Re: [PATCH 04/11] xfs: remove the buffered I/O fallback assert
Date: Wed, 20 Jan 2021 10:43:51 -0800 [thread overview]
Message-ID: <20210120184351.GF3134581@magnolia> (raw)
In-Reply-To: <20210118193516.2915706-5-hch@lst.de>
On Mon, Jan 18, 2021 at 08:35:09PM +0100, Christoph Hellwig wrote:
> The iomap code has been designed from the start not to do magic fallback,
> so remove the assert in preparation for further code cleanups.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
--D
> ---
> fs/xfs/xfs_file.c | 6 ------
> 1 file changed, 6 deletions(-)
>
> diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
> index ae7313ccaa11ed..97836ec53397d4 100644
> --- a/fs/xfs/xfs_file.c
> +++ b/fs/xfs/xfs_file.c
> @@ -610,12 +610,6 @@ xfs_file_dio_write(
> out:
> if (iolock)
> xfs_iunlock(ip, iolock);
> -
> - /*
> - * No fallback to buffered IO after short writes for XFS, direct I/O
> - * will either complete fully or return an error.
> - */
> - ASSERT(ret < 0 || ret == count);
> return ret;
> }
>
> --
> 2.29.2
>
next prev parent reply other threads:[~2021-01-20 19:55 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 19:35 reduce sub-block DIO serialisation v2 Christoph Hellwig
2021-01-18 19:35 ` [PATCH 01/11] xfs: factor out a xfs_ilock_iocb helper Christoph Hellwig
2021-01-20 18:41 ` Darrick J. Wong
2021-01-18 19:35 ` [PATCH 02/11] xfs: make xfs_file_aio_write_checks IOCB_NOWAIT-aware Christoph Hellwig
[not found] ` <CACz=WeeaqMrGM53pJF0C_Wt2JuavTOnOV26-osPviYLUpqUmFw@mail.gmail.com>
2021-01-20 16:28 ` Christoph Hellwig
2021-01-20 18:42 ` Darrick J. Wong
2021-01-18 19:35 ` [PATCH 03/11] xfs: cleanup the read/write helper naming Christoph Hellwig
2021-01-19 15:23 ` Brian Foster
2021-01-20 18:43 ` Darrick J. Wong
2021-01-18 19:35 ` [PATCH 04/11] xfs: remove the buffered I/O fallback assert Christoph Hellwig
2021-01-19 15:23 ` Brian Foster
2021-01-20 18:43 ` Darrick J. Wong [this message]
2021-01-18 19:35 ` [PATCH 05/11] xfs: simplify the read/write tracepoints Christoph Hellwig
2021-01-19 15:23 ` Brian Foster
2021-01-20 18:45 ` Darrick J. Wong
2021-01-18 19:35 ` [PATCH 06/11] xfs: improve the reflink_bounce_dio_write tracepoint Christoph Hellwig
2021-01-19 15:23 ` Brian Foster
2021-01-20 18:45 ` Darrick J. Wong
2021-01-18 19:35 ` [PATCH 07/11] xfs: split unaligned DIO write code out Christoph Hellwig
2021-01-19 15:23 ` Brian Foster
2021-01-20 18:46 ` Darrick J. Wong
2021-01-18 19:35 ` [PATCH 08/11] iomap: rename the flags variable in __iomap_dio_rw Christoph Hellwig
2021-01-18 20:34 ` Dave Chinner
2021-01-19 15:23 ` Brian Foster
2021-01-20 18:46 ` Darrick J. Wong
2021-01-18 19:35 ` [PATCH 09/11] iomap: pass a flags argument to iomap_dio_rw Christoph Hellwig
2021-01-19 15:23 ` Brian Foster
2021-01-20 18:17 ` Darrick J. Wong
2021-01-20 18:35 ` Christoph Hellwig
2021-01-18 19:35 ` [PATCH 10/11] iomap: add a IOMAP_DIO_UNALIGNED flag Christoph Hellwig
2021-01-18 20:45 ` Dave Chinner
2021-01-18 21:41 ` Matthew Wilcox
2021-01-20 16:40 ` Christoph Hellwig
2021-01-20 18:47 ` Darrick J. Wong
2021-01-18 19:35 ` [PATCH 11/11] xfs: reduce exclusive locking on unaligned dio Christoph Hellwig
2021-01-18 20:55 ` Dave Chinner
2021-01-20 16:36 ` Christoph Hellwig
2021-01-20 18:40 ` Darrick J. Wong
2021-01-20 18:44 ` Christoph Hellwig
2021-01-20 19:58 ` Darrick J. Wong
2021-01-21 8:58 reduce sub-block DIO serialisation v3 Christoph Hellwig
2021-01-21 8:58 ` [PATCH 04/11] xfs: remove the buffered I/O fallback assert Christoph Hellwig
2021-01-22 16:20 reduce sub-block DIO serialisation v4 Christoph Hellwig
2021-01-22 16:20 ` [PATCH 04/11] xfs: remove the buffered I/O fallback assert Christoph Hellwig
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