Merge branch 'stable/bug.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...

[deliverable/linux.git] / fs / btrfs / volumes.c

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index da541dfca2e335c2419242b44d7a3fbaa9ccc300..53875ae73ad4f634548e8d1d315056822c9cbd4b 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -689,12 +689,8 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
        transid = btrfs_super_generation(disk_super);
        if (disk_super->label[0])
                printk(KERN_INFO "device label %s ", disk_super->label);
-       else {
-               /* FIXME, make a readl uuid parser */
-               printk(KERN_INFO "device fsid %llx-%llx ",
-                      *(unsigned long long *)disk_super->fsid,
-                      *(unsigned long long *)(disk_super->fsid + 8));
-       }
+       else
+               printk(KERN_INFO "device fsid %pU ", disk_super->fsid);
        printk(KERN_CONT "devid %llu transid %llu %s\n",
               (unsigned long long)devid, (unsigned long long)transid, path);
        ret = device_list_add(path, disk_super, devid, fs_devices_ret);
@@ -1041,7 +1037,8 @@ static noinline int find_next_chunk(struct btrfs_root *root,
        struct btrfs_key found_key;
 
        path = btrfs_alloc_path();
-       BUG_ON(!path);
+       if (!path)
+               return -ENOMEM;
 
        key.objectid = objectid;
        key.offset = (u64)-1;
@@ -2065,8 +2062,10 @@ int btrfs_balance(struct btrfs_root *dev_root)
 
        /* step two, relocate all the chunks */
        path = btrfs_alloc_path();
-       BUG_ON(!path);
-
+       if (!path) {
+               ret = -ENOMEM;
+               goto error;
+       }
        key.objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID;
        key.offset = (u64)-1;
        key.type = BTRFS_CHUNK_ITEM_KEY;
@@ -2102,7 +2101,8 @@ int btrfs_balance(struct btrfs_root *dev_root)
                                           chunk_root->root_key.objectid,
                                           found_key.objectid,
                                           found_key.offset);
-               BUG_ON(ret && ret != -ENOSPC);
+               if (ret && ret != -ENOSPC)
+                       goto error;
                key.offset = found_key.offset - 1;
        }
        ret = 0;
@@ -2664,7 +2664,8 @@ static noinline int init_first_rw_device(struct btrfs_trans_handle *trans,
 
        ret = find_next_chunk(fs_info->chunk_root,
                              BTRFS_FIRST_CHUNK_TREE_OBJECTID, &chunk_offset);
-       BUG_ON(ret);
+       if (ret)
+               return ret;
 
        alloc_profile = BTRFS_BLOCK_GROUP_METADATA |
                        (fs_info->metadata_alloc_profile &
@@ -3598,7 +3599,7 @@ int btrfs_read_sys_array(struct btrfs_root *root)
        if (!sb)
                return -ENOMEM;
        btrfs_set_buffer_uptodate(sb);
-       btrfs_set_buffer_lockdep_class(sb, 0);
+       btrfs_set_buffer_lockdep_class(root->root_key.objectid, sb, 0);
 
        write_extent_buffer(sb, super_copy, 0, BTRFS_SUPER_INFO_SIZE);
        array_size = btrfs_super_sys_array_size(super_copy);