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xfs: assert that xfs_reflink_allocate_cow is called with XFS_ILOCK_EXCL

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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>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2018-03-13 23:15:31 -07:00 committed by Darrick J. Wong
parent 7d9df3c163
commit c7dbe3f2c4
1 changed files with 1 additions and 1 deletions
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fs/xfs/xfs_reflink.c
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@ -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