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File xfsprogs-xfs_repair-don-t-fail-directory-repairs-when-grabbin.patch of Package xfsprogs (Revision 6f745c92eaed2f6558608ba40ae08ccb)

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From b825809fdccde5f441858f05e0c3cf128f21b57a Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <darrick.wong@oracle.com>
Date: Thu, 8 Mar 2018 20:35:23 -0600
Subject: [PATCH] xfs_repair: don't fail directory repairs when grabbing inodes
Git-commit: 12ac6e048a0fbf987820ee613465eecf884a8528
Patch-mainline: v4.16.0-rc1
References: bsc#1158504

There are a few places where xfs_repair needs to be able to load a
damaged directory inode to perform repairs.  Since inline data fork
verifiers can now be customized, refactor libxfs_iget to enable
repair to get at this so that we don't crash in phase 6.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Acked-by: Anthony Iliopoulos <ailiopoulos@suse.com>

diff --git a/db/attrset.c b/db/attrset.c
index ad3c8f3..457317a 100644
--- a/db/attrset.c
+++ b/db/attrset.c
@@ -151,7 +151,8 @@ attr_set_f(
 		value = NULL;
 	}
 
-	if (libxfs_iget(mp, NULL, iocur_top->ino, 0, &ip)) {
+	if (libxfs_iget(mp, NULL, iocur_top->ino, 0, &ip,
+			&xfs_default_ifork_ops)) {
 		dbprintf(_("failed to iget inode %llu\n"),
 			(unsigned long long)iocur_top->ino);
 		goto out;
@@ -226,7 +227,8 @@ attr_remove_f(
 
 	name = argv[optind];
 
-	if (libxfs_iget(mp, NULL, iocur_top->ino, 0, &ip)) {
+	if (libxfs_iget(mp, NULL, iocur_top->ino, 0, &ip,
+			&xfs_default_ifork_ops)) {
 		dbprintf(_("failed to iget inode %llu\n"),
 			(unsigned long long)iocur_top->ino);
 		goto out;
diff --git a/include/xfs_inode.h b/include/xfs_inode.h
index 92829a2..f29f0f0 100644
--- a/include/xfs_inode.h
+++ b/include/xfs_inode.h
@@ -162,9 +162,11 @@ extern void	libxfs_trans_ichgtime(struct xfs_trans *,
 extern int	libxfs_iflush_int (struct xfs_inode *, struct xfs_buf *);
 
 /* Inode Cache Interfaces */
-extern bool	libxfs_inode_verify_forks(struct xfs_inode *ip);
+extern bool	libxfs_inode_verify_forks(struct xfs_inode *ip,
+				struct xfs_ifork_ops *);
 extern int	libxfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
-				uint, struct xfs_inode **);
+				uint, struct xfs_inode **,
+				struct xfs_ifork_ops *);
 extern void	libxfs_iput(struct xfs_inode *);
 
 #define IRELE(ip) libxfs_iput(ip)
diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c
index 14afece..04ddd74 100644
--- a/libxfs/rdwr.c
+++ b/libxfs/rdwr.c
@@ -1342,11 +1342,15 @@ extern kmem_zone_t	*xfs_inode_zone;
  */
 bool
 libxfs_inode_verify_forks(
-	struct xfs_inode	*ip)
+	struct xfs_inode	*ip,
+	struct xfs_ifork_ops	*ops)
 {
 	xfs_failaddr_t		fa;
 
-	fa = xfs_ifork_verify_data(ip, &xfs_default_ifork_ops);
+	if (!ops)
+		return true;
+
+	fa = xfs_ifork_verify_data(ip, ops);
 	if (fa) {
 		xfs_alert(ip->i_mount,
 				"%s: bad inode %Lu inline data fork at %pF",
@@ -1354,7 +1358,7 @@ libxfs_inode_verify_forks(
 		return false;
 	}
 
-	fa = xfs_ifork_verify_attr(ip, &xfs_default_ifork_ops);
+	fa = xfs_ifork_verify_attr(ip, ops);
 	if (fa) {
 		xfs_alert(ip->i_mount,
 				"%s: bad inode %Lu inline attr fork at %pF",
@@ -1365,11 +1369,16 @@ libxfs_inode_verify_forks(
 }
 
 int
-libxfs_iget(xfs_mount_t *mp, xfs_trans_t *tp, xfs_ino_t ino, uint lock_flags,
-		xfs_inode_t **ipp)
+libxfs_iget(
+	struct xfs_mount	*mp,
+	struct xfs_trans	*tp,
+	xfs_ino_t		ino,
+	uint			lock_flags,
+	struct xfs_inode	**ipp,
+	struct xfs_ifork_ops	*ifork_ops)
 {
-	xfs_inode_t	*ip;
-	int		error = 0;
+	struct xfs_inode	*ip;
+	int			error = 0;
 
 	ip = kmem_zone_zalloc(xfs_inode_zone, 0);
 	if (!ip)
@@ -1384,7 +1393,7 @@ libxfs_iget(xfs_mount_t *mp, xfs_trans_t *tp, xfs_ino_t ino, uint lock_flags,
 		return error;
 	}
 
-	if (!libxfs_inode_verify_forks(ip)) {
+	if (!libxfs_inode_verify_forks(ip, ifork_ops)) {
 		libxfs_iput(ip);
 		return -EFSCORRUPTED;
 	}
diff --git a/libxfs/trans.c b/libxfs/trans.c
index f330d4b..af568ba 100644
--- a/libxfs/trans.c
+++ b/libxfs/trans.c
@@ -243,9 +243,11 @@ libxfs_trans_iget(
 	xfs_inode_log_item_t	*iip;
 
 	if (tp == NULL)
-		return libxfs_iget(mp, tp, ino, lock_flags, ipp);
+		return libxfs_iget(mp, tp, ino, lock_flags, ipp,
+				&xfs_default_ifork_ops);
 
-	error = libxfs_iget(mp, tp, ino, lock_flags, &ip);
+	error = libxfs_iget(mp, tp, ino, lock_flags, &ip,
+			&xfs_default_ifork_ops);
 	if (error)
 		return error;
 	ASSERT(ip != NULL);
diff --git a/libxfs/util.c b/libxfs/util.c
index 2dcce57..16db612 100644
--- a/libxfs/util.c
+++ b/libxfs/util.c
@@ -494,7 +494,7 @@ libxfs_iflush_int(xfs_inode_t *ip, xfs_buf_t *bp)
 		VFS_I(ip)->i_version++;
 
 	/* Check the inline fork data before we write out. */
-	if (!libxfs_inode_verify_forks(ip))
+	if (!libxfs_inode_verify_forks(ip, &xfs_default_ifork_ops))
 		return -EFSCORRUPTED;
 
 	/*
diff --git a/repair/phase6.c b/repair/phase6.c
index 1a398aa..aff83bc 100644
--- a/repair/phase6.c
+++ b/repair/phase6.c
@@ -927,7 +927,9 @@ mk_orphanage(xfs_mount_t *mp)
 	 * would have been cleared in phase3 and phase4.
 	 */
 
-	if ((i = -libxfs_iget(mp, NULL, mp->m_sb.sb_rootino, 0, &pip)))
+	i = -libxfs_iget(mp, NULL, mp->m_sb.sb_rootino, 0, &pip,
+			&xfs_default_ifork_ops);
+	if (i)
 		do_error(_("%d - couldn't iget root inode to obtain %s\n"),
 			i, ORPHANAGE);
 
@@ -951,7 +953,9 @@ mk_orphanage(xfs_mount_t *mp)
 	 * use iget/ijoin instead of trans_iget because the ialloc
 	 * wrapper can commit the transaction and start a new one
 	 */
-/*	if ((i = -libxfs_iget(mp, NULL, mp->m_sb.sb_rootino, 0, &pip)))
+/*	i = -libxfs_iget(mp, NULL, mp->m_sb.sb_rootino, 0, &pip,
+			&xfs_default_ifork_ops);
+	if (i)
 		do_error(_("%d - couldn't iget root inode to make %s\n"),
 			i, ORPHANAGE);*/
 
@@ -1066,7 +1070,8 @@ mv_orphanage(
 	xname.len = snprintf((char *)fname, sizeof(fname), "%llu",
 				(unsigned long long)ino);
 
-	err = -libxfs_iget(mp, NULL, orphanage_ino, 0, &orphanage_ip);
+	err = -libxfs_iget(mp, NULL, orphanage_ino, 0, &orphanage_ip,
+			&xfs_default_ifork_ops);
 	if (err)
 		do_error(_("%d - couldn't iget orphanage inode\n"), err);
 	/*
@@ -1078,7 +1083,8 @@ mv_orphanage(
 		xname.len = snprintf((char *)fname, sizeof(fname), "%llu.%d",
 					(unsigned long long)ino, ++incr);
 
-	if ((err = -libxfs_iget(mp, NULL, ino, 0, &ino_p)))
+	err = -libxfs_iget(mp, NULL, ino, 0, &ino_p, &xfs_default_ifork_ops);
+	if (err)
 		do_error(_("%d - couldn't iget disconnected inode\n"), err);
 
 	xname.type = libxfs_mode_to_ftype(VFS_I(ino_p)->i_mode);
@@ -2827,7 +2833,7 @@ process_dir_inode(
 
 	ASSERT(!is_inode_refchecked(irec, ino_offset) || dotdot_update);
 
-	error = -libxfs_iget(mp, NULL, ino, 0, &ip);
+	error = -libxfs_iget(mp, NULL, ino, 0, &ip, NULL);
 	if (error) {
 		if (!no_modify)
 			do_error(
-- 
2.16.4

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