From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 12/15] xfs: update got in xfs_bmap_shift_update_extent
Date: Fri, 20 Oct 2017 17:25:55 -0700 [thread overview]
Message-ID: <20171021002555.GF4755@magnolia> (raw)
In-Reply-To: <20171019065942.18813-13-hch@lst.de>
On Thu, Oct 19, 2017 at 08:59:39AM +0200, Christoph Hellwig wrote:
> This way the caller gets the proper updated extent returned in got.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
> ---
> fs/xfs/libxfs/xfs_bmap.c | 16 +++++++---------
> 1 file changed, 7 insertions(+), 9 deletions(-)
>
> diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
> index 703596caf255..2de9458903b6 100644
> --- a/fs/xfs/libxfs/xfs_bmap.c
> +++ b/fs/xfs/libxfs/xfs_bmap.c
> @@ -5580,35 +5580,33 @@ xfs_bmap_shift_update_extent(
> xfs_fileoff_t startoff)
> {
> struct xfs_mount *mp = ip->i_mount;
> - struct xfs_bmbt_irec new;
> + struct xfs_bmbt_irec prev = *got;
> int error, i;
>
> *logflags |= XFS_ILOG_CORE;
>
> - new = *got;
> - new.br_startoff = startoff;
> + got->br_startoff = startoff;
>
> if (cur) {
> - error = xfs_bmbt_lookup_eq(cur, got, &i);
> + error = xfs_bmbt_lookup_eq(cur, &prev, &i);
> if (error)
> return error;
> XFS_WANT_CORRUPTED_RETURN(mp, i == 1);
>
> - error = xfs_bmbt_update(cur, &new);
> + error = xfs_bmbt_update(cur, got);
> if (error)
> return error;
> } else {
> *logflags |= XFS_ILOG_DEXT;
> }
>
> - xfs_iext_update_extent(ip, xfs_bmap_fork_to_state(whichfork), idx,
> - &new);
> + xfs_iext_update_extent(ip, xfs_bmap_fork_to_state(whichfork), idx, got);
>
> /* update reverse mapping */
> - error = xfs_rmap_unmap_extent(mp, dfops, ip, whichfork, got);
> + error = xfs_rmap_unmap_extent(mp, dfops, ip, whichfork, &prev);
> if (error)
> return error;
> - return xfs_rmap_map_extent(mp, dfops, ip, whichfork, &new);
> + return xfs_rmap_map_extent(mp, dfops, ip, whichfork, got);
> }
>
> int
> --
> 2.14.1
>
> --
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next prev parent reply other threads:[~2017-10-21 0:25 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-19 6:59 more extent mapping cleanups Christoph Hellwig
2017-10-19 6:59 ` [PATCH 01/15] xfs: add a xfs_bmap_fork_to_state helper Christoph Hellwig
2017-10-19 22:48 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 02/15] xfs: make better use of the 'state' variable in xfs_bmap_del_extent_real Christoph Hellwig
2017-10-19 22:49 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 03/15] xfs: remove post-bmap tracing in xfs_bmap_local_to_extents Christoph Hellwig
2017-10-19 22:49 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 04/15] xfs: move pre/post-bmap tracing into xfs_iext_update_extent Christoph Hellwig
2017-10-19 22:50 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 05/15] xfs: remove XFS_BMAP_TRACE_EXLIST Christoph Hellwig
2017-10-19 22:50 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 06/15] xfs: remove the never fully implemented UUID fork format Christoph Hellwig
2017-10-19 22:48 ` Darrick J. Wong
2017-10-20 7:02 ` Christoph Hellwig
2017-10-20 16:52 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 07/15] xfs: remove if_rdev Christoph Hellwig
2017-10-19 22:52 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 08/15] xfs: inline xfs_shift_file_space into callers Christoph Hellwig
2017-10-21 0:07 ` Darrick J. Wong
2017-10-21 8:13 ` Christoph Hellwig
2017-10-21 18:06 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 09/15] xfs: remove XFS_BMAP_MAX_SHIFT_EXTENTS Christoph Hellwig
2017-10-21 0:10 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 10/15] xfs: split xfs_bmap_shift_extents Christoph Hellwig
2017-10-21 0:22 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 11/15] xfs: remove xfs_bmse_shift_one Christoph Hellwig
2017-10-21 0:25 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 12/15] xfs: update got in xfs_bmap_shift_update_extent Christoph Hellwig
2017-10-21 0:25 ` Darrick J. Wong [this message]
2017-10-19 6:59 ` [PATCH 13/15] xfs: don't rely on extent indices in xfs_bmap_collapse_extents Christoph Hellwig
2017-10-21 0:26 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 14/15] xfs: don't rely on extent indices in xfs_bmap_insert_extents Christoph Hellwig
2017-10-21 0:27 ` Darrick J. Wong
2017-10-19 6:59 ` [PATCH 15/15] xfs: rewrite xfs_bmap_first_unused to make better use of xfs_iext_get_extent Christoph Hellwig
2017-10-21 0:27 ` Darrick J. Wong
2017-10-19 20:04 ` more extent mapping cleanups Darrick J. Wong
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