[PATCH V2] xfs: do not log swapext extent owner changes for deleted inodes

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Today if we run fsr and crash, log replay can fail because
the recovery code tries to instantiate the donor inode from
disk to replay the swapext, but it's been deleted and we get
verifier failures when we try to read it off disk with
i_mode == 0.

Strip the extent owner changes out of the logged fields when
we're freeing the inode to avoid this.

Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---

V2: Move the fix to xfs_ifree per bfoster's suggestion

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 604ee38..d17e2d5 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2470,6 +2470,10 @@
 	ip->i_d.di_forkoff = 0;		/* mark the attr fork not in use */
 	ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS;
 	ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS;
+
+	/* Don't attempt to replay owner changes for a deleted inode */
+	ip->i_itemp->ili_fields &= !(XFS_ILOG_AOWNER|XFS_ILOG_DOWNER);
+
 	/*
 	 * Bump the generation count so no one will be confused
 	 * by reincarnations of this inode.

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