xfs: pass mp to XFS_WANT_CORRUPTED_GOTO

Today, if we hit an XFS_WANT_CORRUPTED_GOTO we don't print any
information about which filesystem hit it.  Passing in the mp allows
us to print the filesystem (device) name, which is a pretty critical
piece of information.

Tested by running fsfuzzer 'til I hit some.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index a6fbf44..d38d69a 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -682,7 +682,7 @@
 	error = xfs_alloc_get_rec(bno_cur, &fbno, &flen, &i);
 	if (error)
 		goto error0;
-	XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+	XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0);
 	ASSERT(fbno <= args->agbno);
 
 	/*
@@ -783,7 +783,7 @@
 		error = xfs_alloc_get_rec(*scur, sbno, slen, &i);
 		if (error)
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0);
 		xfs_alloc_compute_aligned(args, *sbno, *slen, sbnoa, slena);
 
 		/*
@@ -946,7 +946,7 @@
 				if ((error = xfs_alloc_get_rec(cnt_cur, &ltbno,
 						&ltlen, &i)))
 					goto error0;
-				XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+				XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0);
 				if (ltlen >= args->minlen)
 					break;
 				if ((error = xfs_btree_increment(cnt_cur, 0, &i)))
@@ -966,7 +966,7 @@
 			 */
 			if ((error = xfs_alloc_get_rec(cnt_cur, &ltbno, &ltlen, &i)))
 				goto error0;
-			XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+			XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0);
 			xfs_alloc_compute_aligned(args, ltbno, ltlen,
 						  &ltbnoa, &ltlena);
 			if (ltlena < args->minlen)
@@ -999,7 +999,7 @@
 		cnt_cur->bc_ptrs[0] = besti;
 		if ((error = xfs_alloc_get_rec(cnt_cur, &ltbno, &ltlen, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0);
 		ASSERT(ltbno + ltlen <= be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length));
 		args->len = blen;
 		if (!xfs_alloc_fix_minleft(args)) {
@@ -1088,7 +1088,7 @@
 		if (bno_cur_lt) {
 			if ((error = xfs_alloc_get_rec(bno_cur_lt, &ltbno, &ltlen, &i)))
 				goto error0;
-			XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+			XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0);
 			xfs_alloc_compute_aligned(args, ltbno, ltlen,
 						  &ltbnoa, &ltlena);
 			if (ltlena >= args->minlen)
@@ -1104,7 +1104,7 @@
 		if (bno_cur_gt) {
 			if ((error = xfs_alloc_get_rec(bno_cur_gt, &gtbno, &gtlen, &i)))
 				goto error0;
-			XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+			XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0);
 			xfs_alloc_compute_aligned(args, gtbno, gtlen,
 						  &gtbnoa, &gtlena);
 			if (gtlena >= args->minlen)
@@ -1303,7 +1303,7 @@
 			error = xfs_alloc_get_rec(cnt_cur, &fbno, &flen, &i);
 			if (error)
 				goto error0;
-			XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+			XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0);
 
 			xfs_alloc_compute_aligned(args, fbno, flen,
 						  &rbno, &rlen);
@@ -1342,7 +1342,7 @@
 	 * This can't happen in the second case above.
 	 */
 	rlen = XFS_EXTLEN_MIN(args->maxlen, rlen);
-	XFS_WANT_CORRUPTED_GOTO(rlen == 0 ||
+	XFS_WANT_CORRUPTED_GOTO(args->mp, rlen == 0 ||
 			(rlen <= flen && rbno + rlen <= fbno + flen), error0);
 	if (rlen < args->maxlen) {
 		xfs_agblock_t	bestfbno;
@@ -1362,13 +1362,13 @@
 			if ((error = xfs_alloc_get_rec(cnt_cur, &fbno, &flen,
 					&i)))
 				goto error0;
-			XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+			XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0);
 			if (flen < bestrlen)
 				break;
 			xfs_alloc_compute_aligned(args, fbno, flen,
 						  &rbno, &rlen);
 			rlen = XFS_EXTLEN_MIN(args->maxlen, rlen);
-			XFS_WANT_CORRUPTED_GOTO(rlen == 0 ||
+			XFS_WANT_CORRUPTED_GOTO(args->mp, rlen == 0 ||
 				(rlen <= flen && rbno + rlen <= fbno + flen),
 				error0);
 			if (rlen > bestrlen) {
@@ -1383,7 +1383,7 @@
 		if ((error = xfs_alloc_lookup_eq(cnt_cur, bestfbno, bestflen,
 				&i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0);
 		rlen = bestrlen;
 		rbno = bestrbno;
 		flen = bestflen;
@@ -1408,7 +1408,7 @@
 	if (!xfs_alloc_fix_minleft(args))
 		goto out_nominleft;
 	rlen = args->len;
-	XFS_WANT_CORRUPTED_GOTO(rlen <= flen, error0);
+	XFS_WANT_CORRUPTED_GOTO(args->mp, rlen <= flen, error0);
 	/*
 	 * Allocate and initialize a cursor for the by-block tree.
 	 */
@@ -1422,7 +1422,7 @@
 	cnt_cur = bno_cur = NULL;
 	args->len = rlen;
 	args->agbno = rbno;
-	XFS_WANT_CORRUPTED_GOTO(
+	XFS_WANT_CORRUPTED_GOTO(args->mp,
 		args->agbno + args->len <=
 			be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length),
 		error0);
@@ -1467,7 +1467,7 @@
 	if (i) {
 		if ((error = xfs_alloc_get_rec(ccur, &fbno, &flen, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0);
 	}
 	/*
 	 * Nothing in the btree, try the freelist.  Make sure
@@ -1493,7 +1493,7 @@
 			}
 			args->len = 1;
 			args->agbno = fbno;
-			XFS_WANT_CORRUPTED_GOTO(
+			XFS_WANT_CORRUPTED_GOTO(args->mp,
 				args->agbno + args->len <=
 				be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length),
 				error0);
@@ -1579,7 +1579,7 @@
 		 */
 		if ((error = xfs_alloc_get_rec(bno_cur, &ltbno, &ltlen, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		/*
 		 * It's not contiguous, though.
 		 */
@@ -1591,7 +1591,8 @@
 			 * space was invalid, it's (partly) already free.
 			 * Very bad.
 			 */
-			XFS_WANT_CORRUPTED_GOTO(ltbno + ltlen <= bno, error0);
+			XFS_WANT_CORRUPTED_GOTO(mp,
+						ltbno + ltlen <= bno, error0);
 		}
 	}
 	/*
@@ -1606,7 +1607,7 @@
 		 */
 		if ((error = xfs_alloc_get_rec(bno_cur, &gtbno, &gtlen, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		/*
 		 * It's not contiguous, though.
 		 */
@@ -1618,7 +1619,7 @@
 			 * space was invalid, it's (partly) already free.
 			 * Very bad.
 			 */
-			XFS_WANT_CORRUPTED_GOTO(gtbno >= bno + len, error0);
+			XFS_WANT_CORRUPTED_GOTO(mp, gtbno >= bno + len, error0);
 		}
 	}
 	/*
@@ -1635,31 +1636,31 @@
 		 */
 		if ((error = xfs_alloc_lookup_eq(cnt_cur, ltbno, ltlen, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		if ((error = xfs_btree_delete(cnt_cur, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		/*
 		 * Delete the old by-size entry on the right.
 		 */
 		if ((error = xfs_alloc_lookup_eq(cnt_cur, gtbno, gtlen, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		if ((error = xfs_btree_delete(cnt_cur, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		/*
 		 * Delete the old by-block entry for the right block.
 		 */
 		if ((error = xfs_btree_delete(bno_cur, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		/*
 		 * Move the by-block cursor back to the left neighbor.
 		 */
 		if ((error = xfs_btree_decrement(bno_cur, 0, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 #ifdef DEBUG
 		/*
 		 * Check that this is the right record: delete didn't
@@ -1672,7 +1673,7 @@
 			if ((error = xfs_alloc_get_rec(bno_cur, &xxbno, &xxlen,
 					&i)))
 				goto error0;
-			XFS_WANT_CORRUPTED_GOTO(
+			XFS_WANT_CORRUPTED_GOTO(mp,
 				i == 1 && xxbno == ltbno && xxlen == ltlen,
 				error0);
 		}
@@ -1695,17 +1696,17 @@
 		 */
 		if ((error = xfs_alloc_lookup_eq(cnt_cur, ltbno, ltlen, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		if ((error = xfs_btree_delete(cnt_cur, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		/*
 		 * Back up the by-block cursor to the left neighbor, and
 		 * update its length.
 		 */
 		if ((error = xfs_btree_decrement(bno_cur, 0, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		nbno = ltbno;
 		nlen = len + ltlen;
 		if ((error = xfs_alloc_update(bno_cur, nbno, nlen)))
@@ -1721,10 +1722,10 @@
 		 */
 		if ((error = xfs_alloc_lookup_eq(cnt_cur, gtbno, gtlen, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		if ((error = xfs_btree_delete(cnt_cur, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 		/*
 		 * Update the starting block and length of the right
 		 * neighbor in the by-block tree.
@@ -1743,7 +1744,7 @@
 		nlen = len;
 		if ((error = xfs_btree_insert(bno_cur, &i)))
 			goto error0;
-		XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+		XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 	}
 	xfs_btree_del_cursor(bno_cur, XFS_BTREE_NOERROR);
 	bno_cur = NULL;
@@ -1752,10 +1753,10 @@
 	 */
 	if ((error = xfs_alloc_lookup_eq(cnt_cur, nbno, nlen, &i)))
 		goto error0;
-	XFS_WANT_CORRUPTED_GOTO(i == 0, error0);
+	XFS_WANT_CORRUPTED_GOTO(mp, i == 0, error0);
 	if ((error = xfs_btree_insert(cnt_cur, &i)))
 		goto error0;
-	XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
+	XFS_WANT_CORRUPTED_GOTO(mp, i == 1, error0);
 	xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR);
 	cnt_cur = NULL;