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authorChristoph Hellwig <hch@lst.de>2017-11-03 10:34:42 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2017-11-06 11:53:39 -0800
commitf36bc228e1b94d9994915cba67588104ebe763ae (patch)
tree67181994d0555b9c1a47fd1f6ae49fe08120c43f /fs/xfs/libxfs/xfs_inode_fork.c
parent42630361003461edd7607c1d459ab9d66ef97813 (diff)
downloadlinux-f36bc228e1b94d9994915cba67588104ebe763ae.tar.gz
xfs: pass an on-disk extent to xfs_bmbt_validate_extent
This prepares for getting rid of the current in-memory extent format.
At the end of the series we will change the calling convention again
to pass the xfs_bmbt_irec structure once it is available everywhere.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_inode_fork.c')
-rw-r--r--fs/xfs/libxfs/xfs_inode_fork.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c
index bb63f38b97cc..abe601b48c9c 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.c
+++ b/fs/xfs/libxfs/xfs_inode_fork.c
@@ -371,13 +371,13 @@ xfs_iformat_extents(
 		dp = (xfs_bmbt_rec_t *) XFS_DFORK_PTR(dip, whichfork);
 		for (i = 0; i < nex; i++, dp++) {
 			xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i);
-			ep->l0 = get_unaligned_be64(&dp->l0);
-			ep->l1 = get_unaligned_be64(&dp->l1);
-			if (!xfs_bmbt_validate_extent(mp, whichfork, ep)) {
+			if (!xfs_bmbt_validate_extent(mp, whichfork, dp)) {
 				XFS_ERROR_REPORT("xfs_iformat_extents(2)",
 						 XFS_ERRLEVEL_LOW, mp);
 				return -EFSCORRUPTED;
 			}
+			ep->l0 = get_unaligned_be64(&dp->l0);
+			ep->l1 = get_unaligned_be64(&dp->l1);
 			trace_xfs_read_extent(ip, i, state, _THIS_IP_);
 		}
 	}
@@ -764,8 +764,6 @@ xfs_iextents_copy(
 	for (i = 0; i < nrecs; i++) {
 		xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i);
 
-		ASSERT(xfs_bmbt_validate_extent(ip->i_mount, whichfork, ep));
-
 		start_block = xfs_bmbt_get_startblock(ep);
 		if (isnullstartblock(start_block)) {
 			/*
@@ -779,6 +777,7 @@ xfs_iextents_copy(
 		/* Translate to on disk format */
 		put_unaligned_be64(ep->l0, &dp->l0);
 		put_unaligned_be64(ep->l1, &dp->l1);
+		ASSERT(xfs_bmbt_validate_extent(ip->i_mount, whichfork, dp));
 
 		dp++;
 		copied++;