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Commit c44a1f22 authored by Eric Sandeen's avatar Eric Sandeen Committed by Dave Chinner
Browse files

xfs: handle cow fork in xfs_bmap_trace_exlist 



By inspection, xfs_bmap_trace_exlist isn't handling cow forks,
and will trace the data fork instead.

Fix this by setting state appropriately if whichfork
== XFS_COW_FORK.

()___()
< @ @ >
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 {o_o}
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Signed-off-by: default avatarEric Sandeen <sandeen@redhat.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarDave Chinner <david@fromorbit.com>
parent 7710517f

fs/xfs/libxfs/xfs_bmap.c

+3 −1
Original line number Diff line number Diff line
@@ -518,7 +518,7 @@ void 
xfs_bmap_trace_exlist(

	xfs_inode_t	*ip,		/* incore inode pointer */

	xfs_extnum_t	cnt,		/* count of entries in the list */

	int		whichfork,	/* data or attr fork */

	int		whichfork,	/* data or attr or cow fork */

	unsigned long	caller_ip)

{

	xfs_extnum_t	idx;		/* extent record index */
@@ -527,6 +527,8 @@ xfs_bmap_trace_exlist( 


	if (whichfork == XFS_ATTR_FORK)

		state |= BMAP_ATTRFORK;

	else if (whichfork == XFS_COW_FORK)

		state |= BMAP_COWFORK;



	ifp = XFS_IFORK_PTR(ip, whichfork);

	ASSERT(cnt == xfs_iext_count(ifp));