xfs: complain about bad records in query_range helpers

For every btree type except for the bmbt, refactor the code that
complains about bad records into a helper and make the ->query_range
helpers call it so that corruptions found via that avenue are logged.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

Author: Darrick J. Wong

fs/xfs/libxfs/xfs_alloc.c

@@ -261,6 +261,24 @@ xfs_alloc_check_irec(
 	return NULL;
 }
 
+static inline int
+xfs_alloc_complain_bad_rec(
+	struct xfs_btree_cur		*cur,
+	xfs_failaddr_t			fa,
+	const struct xfs_alloc_rec_incore *irec)
+{
+	struct xfs_mount		*mp = cur->bc_mp;
+
+	xfs_warn(mp,
+		"%s Freespace BTree record corruption in AG %d detected at %pS!",
+		cur->bc_btnum == XFS_BTNUM_BNO ? "Block" : "Size",
+		cur->bc_ag.pag->pag_agno, fa);
+	xfs_warn(mp,
+		"start block 0x%x block count 0x%x", irec->ar_startblock,
+		irec->ar_blockcount);
+	return -EFSCORRUPTED;
+}
+
 /*
  * Get the data from the pointed-to record.
  */
@@ -272,8 +290,6 @@ xfs_alloc_get_rec(
 	int			*stat)	/* output: success/failure */
 {
 	struct xfs_alloc_rec_incore irec;
-	struct xfs_mount	*mp = cur->bc_mp;
-	struct xfs_perag	*pag = cur->bc_ag.pag;
 	union xfs_btree_rec	*rec;
 	xfs_failaddr_t		fa;
 	int			error;
@@ -285,21 +301,11 @@ xfs_alloc_get_rec(
 	xfs_alloc_btrec_to_irec(rec, &irec);
 	fa = xfs_alloc_check_irec(cur, &irec);
 	if (fa)
-		goto out_bad_rec;
+		return xfs_alloc_complain_bad_rec(cur, fa, &irec);
 
 	*bno = irec.ar_startblock;
 	*len = irec.ar_blockcount;
 	return 0;
-
-out_bad_rec:
-	xfs_warn(mp,
-		"%s Freespace BTree record corruption in AG %d detected at %pS!",
-		cur->bc_btnum == XFS_BTNUM_BNO ? "Block" : "Size",
-		pag->pag_agno, fa);
-	xfs_warn(mp,
-		"start block 0x%x block count 0x%x", irec.ar_startblock,
-		irec.ar_blockcount);
-	return -EFSCORRUPTED;
 }
 
 /*
@@ -3692,10 +3698,12 @@ xfs_alloc_query_range_helper(
 {
 	struct xfs_alloc_query_range_info	*query = priv;
 	struct xfs_alloc_rec_incore		irec;
+	xfs_failaddr_t				fa;
 
 	xfs_alloc_btrec_to_irec(rec, &irec);
-	if (xfs_alloc_check_irec(cur, &irec) != NULL)
-		return -EFSCORRUPTED;
+	fa = xfs_alloc_check_irec(cur, &irec);
+	if (fa)
+		return xfs_alloc_complain_bad_rec(cur, fa, &irec);
 
 	return query->fn(cur, &irec, query->priv);
 }

fs/xfs/libxfs/xfs_ialloc.c

@@ -122,6 +122,25 @@ xfs_inobt_check_irec(
 	return NULL;
 }
 
+static inline int
+xfs_inobt_complain_bad_rec(
+	struct xfs_btree_cur		*cur,
+	xfs_failaddr_t			fa,
+	const struct xfs_inobt_rec_incore *irec)
+{
+	struct xfs_mount		*mp = cur->bc_mp;
+
+	xfs_warn(mp,
+		"%s Inode BTree record corruption in AG %d detected at %pS!",
+		cur->bc_btnum == XFS_BTNUM_INO ? "Used" : "Free",
+		cur->bc_ag.pag->pag_agno, fa);
+	xfs_warn(mp,
+"start inode 0x%x, count 0x%x, free 0x%x freemask 0x%llx, holemask 0x%x",
+		irec->ir_startino, irec->ir_count, irec->ir_freecount,
+		irec->ir_free, irec->ir_holemask);
+	return -EFSCORRUPTED;
+}
+
 /*
  * Get the data from the pointed-to record.
  */
@@ -143,20 +162,9 @@ xfs_inobt_get_rec(
 	xfs_inobt_btrec_to_irec(mp, rec, irec);
 	fa = xfs_inobt_check_irec(cur, irec);
 	if (fa)
-		goto out_bad_rec;
+		return xfs_inobt_complain_bad_rec(cur, fa, irec);
 
 	return 0;
-
-out_bad_rec:
-	xfs_warn(mp,
-		"%s Inode BTree record corruption in AG %d detected at %pS!",
-		cur->bc_btnum == XFS_BTNUM_INO ? "Used" : "Free",
-		cur->bc_ag.pag->pag_agno, fa);
-	xfs_warn(mp,
-"start inode 0x%x, count 0x%x, free 0x%x freemask 0x%llx, holemask 0x%x",
-		irec->ir_startino, irec->ir_count, irec->ir_freecount,
-		irec->ir_free, irec->ir_holemask);
-	return -EFSCORRUPTED;
 }
 
 /*
@@ -2702,10 +2710,12 @@ xfs_ialloc_count_inodes_rec(
 {
 	struct xfs_inobt_rec_incore	irec;
 	struct xfs_ialloc_count_inodes	*ci = priv;
+	xfs_failaddr_t			fa;
 
 	xfs_inobt_btrec_to_irec(cur->bc_mp, rec, &irec);
-	if (xfs_inobt_check_irec(cur, &irec) != NULL)
-		return -EFSCORRUPTED;
+	fa = xfs_inobt_check_irec(cur, &irec);
+	if (fa)
+		return xfs_inobt_complain_bad_rec(cur, fa, &irec);
 
 	ci->count += irec.ir_count;
 	ci->freecount += irec.ir_freecount;

fs/xfs/libxfs/xfs_refcount.c

@@ -144,6 +144,23 @@ xfs_refcount_check_irec(
 	return NULL;
 }
 
+static inline int
+xfs_refcount_complain_bad_rec(
+	struct xfs_btree_cur		*cur,
+	xfs_failaddr_t			fa,
+	const struct xfs_refcount_irec	*irec)
+{
+	struct xfs_mount		*mp = cur->bc_mp;
+
+	xfs_warn(mp,
+ "Refcount BTree record corruption in AG %d detected at %pS!",
+				cur->bc_ag.pag->pag_agno, fa);
+	xfs_warn(mp,
+		"Start block 0x%x, block count 0x%x, references 0x%x",
+		irec->rc_startblock, irec->rc_blockcount, irec->rc_refcount);
+	return -EFSCORRUPTED;
+}
+
 /*
  * Get the data from the pointed-to record.
  */
@@ -153,8 +170,6 @@ xfs_refcount_get_rec(
 	struct xfs_refcount_irec	*irec,
 	int				*stat)
 {
-	struct xfs_mount		*mp = cur->bc_mp;
-	struct xfs_perag		*pag = cur->bc_ag.pag;
 	union xfs_btree_rec		*rec;
 	xfs_failaddr_t			fa;
 	int				error;
@@ -166,19 +181,10 @@ xfs_refcount_get_rec(
 	xfs_refcount_btrec_to_irec(rec, irec);
 	fa = xfs_refcount_check_irec(cur, irec);
 	if (fa)
-		goto out_bad_rec;
+		return xfs_refcount_complain_bad_rec(cur, fa, irec);
 
-	trace_xfs_refcount_get(cur->bc_mp, pag->pag_agno, irec);
+	trace_xfs_refcount_get(cur->bc_mp, cur->bc_ag.pag->pag_agno, irec);
 	return 0;
-
-out_bad_rec:
-	xfs_warn(mp,
-		"Refcount BTree record corruption in AG %d detected at %pS!",
-		pag->pag_agno, fa);
-	xfs_warn(mp,
-		"Start block 0x%x, block count 0x%x, references 0x%x",
-		irec->rc_startblock, irec->rc_blockcount, irec->rc_refcount);
-	return -EFSCORRUPTED;
 }
 
 /*

fs/xfs/libxfs/xfs_rmap.c

@@ -235,6 +235,24 @@ xfs_rmap_check_irec(
 	return NULL;
 }
 
+static inline int
+xfs_rmap_complain_bad_rec(
+	struct xfs_btree_cur		*cur,
+	xfs_failaddr_t			fa,
+	const struct xfs_rmap_irec	*irec)
+{
+	struct xfs_mount		*mp = cur->bc_mp;
+
+	xfs_warn(mp,
+		"Reverse Mapping BTree record corruption in AG %d detected at %pS!",
+		cur->bc_ag.pag->pag_agno, fa);
+	xfs_warn(mp,
+		"Owner 0x%llx, flags 0x%x, start block 0x%x block count 0x%x",
+		irec->rm_owner, irec->rm_flags, irec->rm_startblock,
+		irec->rm_blockcount);
+	return -EFSCORRUPTED;
+}
+
 /*
  * Get the data from the pointed-to record.
  */
@@ -244,8 +262,6 @@ xfs_rmap_get_rec(
 	struct xfs_rmap_irec	*irec,
 	int			*stat)
 {
-	struct xfs_mount	*mp = cur->bc_mp;
-	struct xfs_perag	*pag = cur->bc_ag.pag;
 	union xfs_btree_rec	*rec;
 	xfs_failaddr_t		fa;
 	int			error;
@@ -258,18 +274,9 @@ xfs_rmap_get_rec(
 	if (!fa)
 		fa = xfs_rmap_check_irec(cur, irec);
 	if (fa)
-		goto out_bad_rec;
+		return xfs_rmap_complain_bad_rec(cur, fa, irec);
 
 	return 0;
-out_bad_rec:
-	xfs_warn(mp,
-		"Reverse Mapping BTree record corruption in AG %d detected at %pS!",
-		pag->pag_agno, fa);
-	xfs_warn(mp,
-		"Owner 0x%llx, flags 0x%x, start block 0x%x block count 0x%x",
-		irec->rm_owner, irec->rm_flags, irec->rm_startblock,
-		irec->rm_blockcount);
-	return -EFSCORRUPTED;
 }
 
 struct xfs_find_left_neighbor_info {
@@ -2335,10 +2342,13 @@ xfs_rmap_query_range_helper(
 {
 	struct xfs_rmap_query_range_info	*query = priv;
 	struct xfs_rmap_irec			irec;
+	xfs_failaddr_t				fa;
 
-	if (xfs_rmap_btrec_to_irec(rec, &irec) != NULL ||
-	    xfs_rmap_check_irec(cur, &irec) != NULL)
-		return -EFSCORRUPTED;
+	fa = xfs_rmap_btrec_to_irec(rec, &irec);
+	if (!fa)
+		fa = xfs_rmap_check_irec(cur, &irec);
+	if (fa)
+		return xfs_rmap_complain_bad_rec(cur, fa, &irec);
 
 	return query->fn(cur, &irec, query->priv);
 }