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Commit c7dbe3f2 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Darrick J. Wong
Browse files

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: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: default avatarDarrick 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