Commit c7dbe3f2 authored Mar 13, 2018 by Christoph Hellwig Committed by Darrick J. Wong Mar 15, 2018

xfs: assert that xfs_reflink_allocate_cow is called with XFS_ILOCK_EXCL



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>

parent 7d9df3c1

fs/xfs/xfs_reflink.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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

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