btrfs: update message levels during failed mount

All error conditions from open_ctree shall be ERR. Warning would
suggest that something's wrong and we can continue.
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>

fs/btrfs/disk-io.c

@@ -2533,7 +2533,7 @@ int open_ctree(struct super_block *sb,
 	 */
 	if ((features & BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS) &&
 	    (sectorsize != nodesize)) {
-		printk(KERN_WARNING "BTRFS: unequal leaf/node/sector sizes "
+		printk(KERN_ERR "BTRFS: unequal leaf/node/sector sizes "
 				"are not allowed for mixed block groups on %s\n",
 				sb->s_id);
 		goto fail_alloc;
@@ -2641,12 +2641,12 @@ int open_ctree(struct super_block *sb,
 	sb->s_blocksize_bits = blksize_bits(sectorsize);
 
 	if (btrfs_super_magic(disk_super) != BTRFS_MAGIC) {
-		printk(KERN_INFO "BTRFS: valid FS not found on %s\n", sb->s_id);
+		printk(KERN_ERR "BTRFS: valid FS not found on %s\n", sb->s_id);
 		goto fail_sb_buffer;
 	}
 
 	if (sectorsize != PAGE_SIZE) {
-		printk(KERN_WARNING "BTRFS: Incompatible sector size(%lu) "
+		printk(KERN_ERR "BTRFS: incompatible sector size (%lu) "
 		       "found on %s\n", (unsigned long)sectorsize, sb->s_id);
 		goto fail_sb_buffer;
 	}
@@ -2655,7 +2655,7 @@ int open_ctree(struct super_block *sb,
 	ret = btrfs_read_sys_array(tree_root);
 	mutex_unlock(&fs_info->chunk_mutex);
 	if (ret) {
-		printk(KERN_WARNING "BTRFS: failed to read the system "
+		printk(KERN_ERR "BTRFS: failed to read the system "
 		       "array on %s\n", sb->s_id);
 		goto fail_sb_buffer;
 	}
@@ -2670,7 +2670,7 @@ int open_ctree(struct super_block *sb,
 					   generation);
 	if (!chunk_root->node ||
 	    !test_bit(EXTENT_BUFFER_UPTODATE, &chunk_root->node->bflags)) {
-		printk(KERN_WARNING "BTRFS: failed to read chunk root on %s\n",
+		printk(KERN_ERR "BTRFS: failed to read chunk root on %s\n",
 		       sb->s_id);
 		goto fail_tree_roots;
 	}
@@ -2682,7 +2682,7 @@ int open_ctree(struct super_block *sb,
 
 	ret = btrfs_read_chunk_tree(chunk_root);
 	if (ret) {
-		printk(KERN_WARNING "BTRFS: failed to read chunk tree on %s\n",
+		printk(KERN_ERR "BTRFS: failed to read chunk tree on %s\n",
 		       sb->s_id);
 		goto fail_tree_roots;
 	}
@@ -2694,7 +2694,7 @@ int open_ctree(struct super_block *sb,
 	btrfs_close_extra_devices(fs_info, fs_devices, 0);
 
 	if (!fs_devices->latest_bdev) {
-		printk(KERN_CRIT "BTRFS: failed to read devices on %s\n",
+		printk(KERN_ERR "BTRFS: failed to read devices on %s\n",
 		       sb->s_id);
 		goto fail_tree_roots;
 	}
@@ -2778,7 +2778,7 @@ int open_ctree(struct super_block *sb,
 
 	ret = btrfs_recover_balance(fs_info);
 	if (ret) {
-		printk(KERN_WARNING "BTRFS: failed to recover balance\n");
+		printk(KERN_ERR "BTRFS: failed to recover balance\n");
 		goto fail_block_groups;
 	}