xfs: Nuke XFS_ERROR macro

XFS_ERROR was designed long ago to trap return values, but it's not
runtime configurable, it's not consistently used, and we can do
similar error trapping with ftrace scripts and triggers from
userspace.

Just nuke XFS_ERROR and associated bits.

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

1 files changed, 35 insertions, 35 deletions

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 4c60f11..845a92c 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -194,7 +194,7 @@ xlog_bread_noalign(
 	bp->b_error = 0;
 
 	if (XFS_FORCED_SHUTDOWN(log->l_mp))
-		return XFS_ERROR(EIO);
+		return EIO;
 
 	xfs_buf_iorequest(bp);
 	error = xfs_buf_iowait(bp);
@@ -330,14 +330,14 @@ xlog_header_check_recover(
 		xlog_header_check_dump(mp, head);
 		XFS_ERROR_REPORT("xlog_header_check_recover(1)",
 				 XFS_ERRLEVEL_HIGH, mp);
-		return XFS_ERROR(EFSCORRUPTED);
+		return EFSCORRUPTED;
 	} else if (unlikely(!uuid_equal(&mp->m_sb.sb_uuid, &head->h_fs_uuid))) {
 		xfs_warn(mp,
 	"dirty log entry has mismatched uuid - can't recover");
 		xlog_header_check_dump(mp, head);
 		XFS_ERROR_REPORT("xlog_header_check_recover(2)",
 				 XFS_ERRLEVEL_HIGH, mp);
-		return XFS_ERROR(EFSCORRUPTED);
+		return EFSCORRUPTED;
 	}
 	return 0;
 }
@@ -364,7 +364,7 @@ xlog_header_check_mount(
 		xlog_header_check_dump(mp, head);
 		XFS_ERROR_REPORT("xlog_header_check_mount",
 				 XFS_ERRLEVEL_HIGH, mp);
-		return XFS_ERROR(EFSCORRUPTED);
+		return EFSCORRUPTED;
 	}
 	return 0;
 }
@@ -539,7 +539,7 @@ xlog_find_verify_log_record(
 			xfs_warn(log->l_mp,
 		"Log inconsistent (didn't find previous header)");
 			ASSERT(0);
-			error = XFS_ERROR(EIO);
+			error = EIO;
 			goto out;
 		}
 
@@ -820,7 +820,7 @@ validate_head:
 		/* start ptr at last block ptr before head_blk */
 		if ((error = xlog_find_verify_log_record(log, start_blk,
 							&head_blk, 0)) == -1) {
-			error = XFS_ERROR(EIO);
+			error = EIO;
 			goto bp_err;
 		} else if (error)
 			goto bp_err;
@@ -838,7 +838,7 @@ validate_head:
 			if ((error = xlog_find_verify_log_record(log,
 							start_blk, &new_blk,
 							(int)head_blk)) == -1) {
-				error = XFS_ERROR(EIO);
+				error = EIO;
 				goto bp_err;
 			} else if (error)
 				goto bp_err;
@@ -961,7 +961,7 @@ xlog_find_tail(
 		xfs_warn(log->l_mp, "%s: couldn't find sync record", __func__);
 		xlog_put_bp(bp);
 		ASSERT(0);
-		return XFS_ERROR(EIO);
+		return EIO;
 	}
 
 	/* find blk_no of tail of log */
@@ -1141,7 +1141,7 @@ xlog_find_zeroed(
 		 */
 		xfs_warn(log->l_mp,
 			"Log inconsistent or not a log (last==0, first!=1)");
-		error = XFS_ERROR(EINVAL);
+		error = EINVAL;
 		goto bp_err;
 	}
 
@@ -1181,7 +1181,7 @@ xlog_find_zeroed(
 	 */
 	if ((error = xlog_find_verify_log_record(log, start_blk,
 				&last_blk, 0)) == -1) {
-	    error = XFS_ERROR(EIO);
+	    error = EIO;
 	    goto bp_err;
 	} else if (error)
 	    goto bp_err;
@@ -1354,7 +1354,7 @@ xlog_clear_stale_blocks(
 		if (unlikely(head_block < tail_block || head_block >= log->l_logBBsize)) {
 			XFS_ERROR_REPORT("xlog_clear_stale_blocks(1)",
 					 XFS_ERRLEVEL_LOW, log->l_mp);
-			return XFS_ERROR(EFSCORRUPTED);
+			return EFSCORRUPTED;
 		}
 		tail_distance = tail_block + (log->l_logBBsize - head_block);
 	} else {
@@ -1366,7 +1366,7 @@ xlog_clear_stale_blocks(
 		if (unlikely(head_block >= tail_block || head_cycle != (tail_cycle + 1))){
 			XFS_ERROR_REPORT("xlog_clear_stale_blocks(2)",
 					 XFS_ERRLEVEL_LOW, log->l_mp);
-			return XFS_ERROR(EFSCORRUPTED);
+			return EFSCORRUPTED;
 		}
 		tail_distance = tail_block - head_block;
 	}
@@ -1551,7 +1551,7 @@ xlog_recover_add_to_trans(
 			xfs_warn(log->l_mp, "%s: bad header magic number",
 				__func__);
 			ASSERT(0);
-			return XFS_ERROR(EIO);
+			return EIO;
 		}
 		if (len == sizeof(xfs_trans_header_t))
 			xlog_recover_add_item(&trans->r_itemq);
@@ -1581,7 +1581,7 @@ xlog_recover_add_to_trans(
 				  in_f->ilf_size);
 			ASSERT(0);
 			kmem_free(ptr);
-			return XFS_ERROR(EIO);
+			return EIO;
 		}
 
 		item->ri_total = in_f->ilf_size;
@@ -1702,7 +1702,7 @@ xlog_recover_reorder_trans(
 			 */
 			if (!list_empty(&sort_list))
 				list_splice_init(&sort_list, &trans->r_itemq);
-			error = XFS_ERROR(EIO);
+			error = EIO;
 			goto out;
 		}
 	}
@@ -1943,7 +1943,7 @@ xlog_recover_do_inode_buffer(
 				item, bp);
 			XFS_ERROR_REPORT("xlog_recover_do_inode_buf",
 					 XFS_ERRLEVEL_LOW, mp);
-			return XFS_ERROR(EFSCORRUPTED);
+			return EFSCORRUPTED;
 		}
 
 		buffer_nextp = (xfs_agino_t *)xfs_buf_offset(bp,
@@ -2496,7 +2496,7 @@ xlog_recover_buffer_pass2(
 	bp = xfs_buf_read(mp->m_ddev_targp, buf_f->blf_blkno, buf_f->blf_len,
 			  buf_flags, NULL);
 	if (!bp)
-		return XFS_ERROR(ENOMEM);
+		return ENOMEM;
 	error = bp->b_error;
 	if (error) {
 		xfs_buf_ioerror_alert(bp, "xlog_recover_do..(read#1)");
@@ -2919,7 +2919,7 @@ out_release:
 error:
 	if (need_free)
 		kmem_free(in_f);
-	return XFS_ERROR(error);
+	return error;
 }
 
 /*
@@ -2976,12 +2976,12 @@ xlog_recover_dquot_pass2(
 	recddq = item->ri_buf[1].i_addr;
 	if (recddq == NULL) {
 		xfs_alert(log->l_mp, "NULL dquot in %s.", __func__);
-		return XFS_ERROR(EIO);
+		return EIO;
 	}
 	if (item->ri_buf[1].i_len < sizeof(xfs_disk_dquot_t)) {
 		xfs_alert(log->l_mp, "dquot too small (%d) in %s.",
 			item->ri_buf[1].i_len, __func__);
-		return XFS_ERROR(EIO);
+		return EIO;
 	}
 
 	/*
@@ -3007,7 +3007,7 @@ xlog_recover_dquot_pass2(
 	error = xfs_dqcheck(mp, recddq, dq_f->qlf_id, 0, XFS_QMOPT_DOWARN,
 			   "xlog_recover_dquot_pass2 (log copy)");
 	if (error)
-		return XFS_ERROR(EIO);
+		return EIO;
 	ASSERT(dq_f->qlf_len == 1);
 
 	error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dq_f->qlf_blkno,
@@ -3028,7 +3028,7 @@ xlog_recover_dquot_pass2(
 			   "xlog_recover_dquot_pass2");
 	if (error) {
 		xfs_buf_relse(bp);
-		return XFS_ERROR(EIO);
+		return EIO;
 	}
 
 	/*
@@ -3389,7 +3389,7 @@ xlog_recover_commit_pass1(
 		xfs_warn(log->l_mp, "%s: invalid item type (%d)",
 			__func__, ITEM_TYPE(item));
 		ASSERT(0);
-		return XFS_ERROR(EIO);
+		return EIO;
 	}
 }
 
@@ -3425,7 +3425,7 @@ xlog_recover_commit_pass2(
 		xfs_warn(log->l_mp, "%s: invalid item type (%d)",
 			__func__, ITEM_TYPE(item));
 		ASSERT(0);
-		return XFS_ERROR(EIO);
+		return EIO;
 	}
 }
 
@@ -3560,7 +3560,7 @@ xlog_recover_process_data(
 
 	/* check the log format matches our own - else we can't recover */
 	if (xlog_header_check_recover(log->l_mp, rhead))
-		return XFS_ERROR(EIO);
+		return EIO;
 
 	while ((dp < lp) && num_logops) {
 		ASSERT(dp + sizeof(xlog_op_header_t) <= lp);
@@ -3571,7 +3571,7 @@ xlog_recover_process_data(
 			xfs_warn(log->l_mp, "%s: bad clientid 0x%x",
 					__func__, ohead->oh_clientid);
 			ASSERT(0);
-			return XFS_ERROR(EIO);
+			return EIO;
 		}
 		tid = be32_to_cpu(ohead->oh_tid);
 		hash = XLOG_RHASH(tid);
@@ -3585,7 +3585,7 @@ xlog_recover_process_data(
 				xfs_warn(log->l_mp, "%s: bad length 0x%x",
 					__func__, be32_to_cpu(ohead->oh_len));
 				WARN_ON(1);
-				return XFS_ERROR(EIO);
+				return EIO;
 			}
 			flags = ohead->oh_flags & ~XLOG_END_TRANS;
 			if (flags & XLOG_WAS_CONT_TRANS)
@@ -3607,7 +3607,7 @@ xlog_recover_process_data(
 				xfs_warn(log->l_mp, "%s: bad transaction",
 					__func__);
 				ASSERT(0);
-				error = XFS_ERROR(EIO);
+				error = EIO;
 				break;
 			case 0:
 			case XLOG_CONTINUE_TRANS:
@@ -3618,7 +3618,7 @@ xlog_recover_process_data(
 				xfs_warn(log->l_mp, "%s: bad flag 0x%x",
 					__func__, flags);
 				ASSERT(0);
-				error = XFS_ERROR(EIO);
+				error = EIO;
 				break;
 			}
 			if (error) {
@@ -3669,7 +3669,7 @@ xlog_recover_process_efi(
 			 */
 			set_bit(XFS_EFI_RECOVERED, &efip->efi_flags);
 			xfs_efi_release(efip, efip->efi_format.efi_nextents);
-			return XFS_ERROR(EIO);
+			return EIO;
 		}
 	}
 
@@ -4018,14 +4018,14 @@ xlog_valid_rec_header(
 	if (unlikely(rhead->h_magicno != cpu_to_be32(XLOG_HEADER_MAGIC_NUM))) {
 		XFS_ERROR_REPORT("xlog_valid_rec_header(1)",
 				XFS_ERRLEVEL_LOW, log->l_mp);
-		return XFS_ERROR(EFSCORRUPTED);
+		return EFSCORRUPTED;
 	}
 	if (unlikely(
 	    (!rhead->h_version ||
 	    (be32_to_cpu(rhead->h_version) & (~XLOG_VERSION_OKBITS))))) {
 		xfs_warn(log->l_mp, "%s: unrecognised log version (%d).",
 			__func__, be32_to_cpu(rhead->h_version));
-		return XFS_ERROR(EIO);
+		return EIO;
 	}
 
 	/* LR body must have data or it wouldn't have been written */
@@ -4033,12 +4033,12 @@ xlog_valid_rec_header(
 	if (unlikely( hlen <= 0 || hlen > INT_MAX )) {
 		XFS_ERROR_REPORT("xlog_valid_rec_header(2)",
 				XFS_ERRLEVEL_LOW, log->l_mp);
-		return XFS_ERROR(EFSCORRUPTED);
+		return EFSCORRUPTED;
 	}
 	if (unlikely( blkno > log->l_logBBsize || blkno > INT_MAX )) {
 		XFS_ERROR_REPORT("xlog_valid_rec_header(3)",
 				XFS_ERRLEVEL_LOW, log->l_mp);
-		return XFS_ERROR(EFSCORRUPTED);
+		return EFSCORRUPTED;
 	}
 	return 0;
 }
@@ -4415,7 +4415,7 @@ xlog_do_recover(
 
 	if (XFS_FORCED_SHUTDOWN(log->l_mp)) {
 		xfs_buf_relse(bp);
-		return XFS_ERROR(EIO);
+		return EIO;
 	}
 
 	xfs_buf_iorequest(bp);