From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 3/8] xfs: assert that xfs_reflink_allocate_cow is called with XFS_ILOCK_EXCL
Date: Tue, 13 Mar 2018 13:45:04 -0700 [thread overview]
Message-ID: <20180313204504.GE4865@magnolia> (raw)
In-Reply-To: <20180313143601.30028-4-hch@lst.de>
On Tue, Mar 13, 2018 at 03:35:56PM +0100, Christoph Hellwig wrote:
> Now that we convert COW preallocations from unwritten to real on every
> call this function needs to be called with the ilock held exclusively.
>
> Fortunately we already do that, but update the assert to match.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
--D
> ---
> fs/xfs/xfs_reflink.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
> index d81c4f868d69..90aac8889dd9 100644
> --- a/fs/xfs/xfs_reflink.c
> +++ b/fs/xfs/xfs_reflink.c
> @@ -394,7 +394,7 @@ xfs_reflink_allocate_cow(
>
> retry:
> ASSERT(xfs_is_reflink_inode(ip));
> - ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL | XFS_ILOCK_SHARED));
> + ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
>
> /*
> * Even if the extent is not shared we might have a preallocation for
> --
> 2.14.2
>
> --
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next prev parent reply other threads:[~2018-03-13 20:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-13 14:35 misc fixes and cleanups Christoph Hellwig
2018-03-13 14:35 ` [PATCH 1/8] xfs: fix the check for COW extents in xfs_swap_extents Christoph Hellwig
2018-03-13 20:42 ` Darrick J. Wong
2018-03-13 14:35 ` [PATCH 2/8] xfs: don't use XFS_BMAPI_ENTRIRE in xfs_get_blocks Christoph Hellwig
2018-03-13 20:44 ` Darrick J. Wong
2018-03-13 14:35 ` [PATCH 3/8] xfs: assert that xfs_reflink_allocate_cow is called with XFS_ILOCK_EXCL Christoph Hellwig
2018-03-13 20:45 ` Darrick J. Wong [this message]
2018-03-13 14:35 ` [PATCH 4/8] xfs: remove xfs_zero_range Christoph Hellwig
2018-03-13 20:45 ` Darrick J. Wong
2018-03-13 14:35 ` [PATCH 5/8] xfs: minor cleanup for xfs_get_blocks Christoph Hellwig
2018-03-13 20:45 ` Darrick J. Wong
2018-03-13 14:35 ` [PATCH 6/8] xfs: minor cleanup for xfs_reflink_end_cow Christoph Hellwig
2018-03-13 20:46 ` Darrick J. Wong
2018-03-13 14:36 ` [PATCH 7/8] xfs: mark xfs_reflink_clear_inode_flag static Christoph Hellwig
2018-03-13 20:50 ` Darrick J. Wong
2018-03-14 8:42 ` Christoph Hellwig
2018-03-13 14:36 ` [PATCH 8/8] xfs: only clear preallocated COW blocks in xfs_reflink_clear_inode_flag Christoph Hellwig
2018-03-13 20:56 ` Darrick J. Wong
2018-03-14 8:42 ` Christoph Hellwig
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