From: Christoph Hellwig <hch@infradead.org>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 06/11] xfs: fix up cowextsz allocation shortfalls
Date: Fri, 26 Jan 2018 01:11:18 -0800 [thread overview]
Message-ID: <20180126091118.GH29115@infradead.org> (raw)
In-Reply-To: <151676031559.12349.8327260913918740589.stgit@magnolia>
> diff --git a/fs/iomap.c b/fs/iomap.c
> index e5de772..aec35a0 100644
> --- a/fs/iomap.c
> +++ b/fs/iomap.c
> @@ -63,7 +63,7 @@ iomap_apply(struct inode *inode, loff_t pos, loff_t length, unsigned flags,
> ret = ops->iomap_begin(inode, pos, length, flags, &iomap);
> if (ret)
> return ret;
> - if (WARN_ON(iomap.offset > pos))
> + if (WARN_ON(iomap.offset > pos) || WARN_ON(iomap.length == 0))
> return -EIO;
>
> /*
Please split this into a separate patch.
Otherwise this looks fine:
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2018-01-26 9:11 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-24 2:17 [PATCH 00/11] xfs: reflink/scrub/quota fixes Darrick J. Wong
2018-01-24 2:18 ` [PATCH 01/11] xfs: reflink should break pnfs leases before sharing blocks Darrick J. Wong
2018-01-24 14:16 ` Brian Foster
2018-01-26 9:06 ` Christoph Hellwig
2018-01-26 18:26 ` Darrick J. Wong
2018-01-24 2:18 ` [PATCH 02/11] xfs: only grab shared inode locks for source file during reflink Darrick J. Wong
2018-01-24 14:18 ` Brian Foster
2018-01-24 18:40 ` Darrick J. Wong
2018-01-26 12:07 ` Christoph Hellwig
2018-01-26 18:48 ` Darrick J. Wong
2018-01-27 3:32 ` Dave Chinner
2018-01-24 2:18 ` [PATCH 03/11] xfs: call xfs_qm_dqattach before performing reflink operations Darrick J. Wong
2018-01-24 14:18 ` Brian Foster
2018-01-26 9:07 ` Christoph Hellwig
2018-01-24 2:18 ` [PATCH 04/11] xfs: CoW fork operations should only update quota reservations Darrick J. Wong
2018-01-24 14:22 ` Brian Foster
2018-01-24 19:14 ` Darrick J. Wong
2018-01-25 13:01 ` Brian Foster
2018-01-25 17:52 ` Darrick J. Wong
2018-01-25 1:20 ` [PATCH v2 " Darrick J. Wong
2018-01-25 13:03 ` Brian Foster
2018-01-25 18:20 ` Darrick J. Wong
2018-01-26 13:02 ` Brian Foster
2018-01-26 18:40 ` Darrick J. Wong
2018-01-26 12:12 ` Christoph Hellwig
2018-01-24 2:18 ` [PATCH 05/11] xfs: track CoW blocks separately in the inode Darrick J. Wong
2018-01-25 13:06 ` Brian Foster
2018-01-25 19:21 ` Darrick J. Wong
2018-01-26 13:04 ` Brian Foster
2018-01-26 19:08 ` Darrick J. Wong
2018-01-26 12:15 ` Christoph Hellwig
2018-01-26 19:00 ` Darrick J. Wong
2018-01-26 23:51 ` Darrick J. Wong
2018-01-24 2:18 ` [PATCH 06/11] xfs: fix up cowextsz allocation shortfalls Darrick J. Wong
2018-01-25 17:31 ` Brian Foster
2018-01-25 20:20 ` Darrick J. Wong
2018-01-26 13:06 ` Brian Foster
2018-01-26 19:12 ` Darrick J. Wong
2018-01-26 9:11 ` Christoph Hellwig [this message]
2018-01-24 2:18 ` [PATCH 07/11] xfs: always zero di_flags2 when we free the inode Darrick J. Wong
2018-01-25 17:31 ` Brian Foster
2018-01-25 18:36 ` Darrick J. Wong
2018-01-26 9:08 ` Christoph Hellwig
2018-01-24 2:18 ` [PATCH 08/11] xfs: fix tracepoint %p formats Darrick J. Wong
2018-01-25 17:31 ` Brian Foster
2018-01-25 18:47 ` Darrick J. Wong
2018-01-26 0:19 ` Darrick J. Wong
2018-01-26 9:09 ` Christoph Hellwig
2018-01-24 2:18 ` [PATCH 09/11] xfs: make tracepoint inode number format consistent Darrick J. Wong
2018-01-25 17:31 ` Brian Foster
2018-01-26 9:09 ` Christoph Hellwig
2018-01-24 2:19 ` [PATCH 10/11] xfs: refactor inode verifier corruption error printing Darrick J. Wong
2018-01-25 17:31 ` Brian Foster
2018-01-25 18:23 ` Darrick J. Wong
2018-01-26 9:10 ` Christoph Hellwig
2018-01-24 2:19 ` [PATCH 11/11] xfs: don't clobber inobt/finobt cursors when xref with rmap Darrick J. Wong
2018-01-26 9:10 ` Christoph Hellwig
2018-01-25 5:26 ` [PATCH 12/11] xfs: refactor quota code in xfs_bmap_btalloc Darrick J. Wong
2018-01-26 12:17 ` Christoph Hellwig
2018-01-26 21:46 ` Darrick J. Wong
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