1 files changed, 11 insertions, 30 deletions

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index c7367ae5a3e6..cd0b31a9ba3d 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -44,16 +44,6 @@ static int btrfs_relocate_sys_chunks(struct btrfs_root *root);
 static DEFINE_MUTEX(uuid_mutex);
 static LIST_HEAD(fs_uuids);
 
-void btrfs_lock_volumes(void)
-{
-        mutex_lock(&uuid_mutex);
-}
-
-void btrfs_unlock_volumes(void)
-{
-        mutex_unlock(&uuid_mutex);
-}
-
 static void lock_chunks(struct btrfs_root *root)
 {
         mutex_lock(&root->fs_info->chunk_mutex);
@@ -1475,7 +1465,7 @@ next_slot:
                                 goto error;
                         leaf = path->nodes[0];
                         btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);
-                        btrfs_release_path(root, path);
+                        btrfs_release_path(path);
                         continue;
                 }
 
@@ -1947,7 +1937,7 @@ again:
                 chunk = btrfs_item_ptr(leaf, path->slots[0],
                                        struct btrfs_chunk);
                 chunk_type = btrfs_chunk_type(leaf, chunk);
-                btrfs_release_path(chunk_root, path);
+                btrfs_release_path(path);
 
                 if (chunk_type & BTRFS_BLOCK_GROUP_SYSTEM) {
                         ret = btrfs_relocate_chunk(chunk_root, chunk_tree,
@@ -2065,7 +2055,7 @@ int btrfs_balance(struct btrfs_root *dev_root)
                 if (found_key.offset == 0)
                         break;
 
-                btrfs_release_path(chunk_root, path);
+                btrfs_release_path(path);
                 ret = btrfs_relocate_chunk(chunk_root,
                                            chunk_root->root_key.objectid,
                                            found_key.objectid,
@@ -2137,7 +2127,7 @@ again:
                         goto done;
                 if (ret) {
                         ret = 0;
-                        btrfs_release_path(root, path);
+                        btrfs_release_path(path);
                         break;
                 }
 
@@ -2146,7 +2136,7 @@ again:
                 btrfs_item_key_to_cpu(l, &key, path->slots[0]);
 
                 if (key.objectid != device->devid) {
-                        btrfs_release_path(root, path);
+                        btrfs_release_path(path);
                         break;
                 }
 
@@ -2154,14 +2144,14 @@ again:
                 length = btrfs_dev_extent_length(l, dev_extent);
 
                 if (key.offset + length <= new_size) {
-                        btrfs_release_path(root, path);
+                        btrfs_release_path(path);
                         break;
                 }
 
                 chunk_tree = btrfs_dev_extent_chunk_tree(l, dev_extent);
                 chunk_objectid = btrfs_dev_extent_chunk_objectid(l, dev_extent);
                 chunk_offset = btrfs_dev_extent_chunk_offset(l, dev_extent);
-                btrfs_release_path(root, path);
+                btrfs_release_path(path);
 
                 ret = btrfs_relocate_chunk(root, chunk_tree, chunk_objectid,
                                            chunk_offset);
@@ -2609,7 +2599,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
 
         trace_btrfs_chunk_alloc(info->chunk_root, map, start, *num_bytes);
 
-        em = alloc_extent_map(GFP_NOFS);
+        em = alloc_extent_map();
         if (!em) {
                 ret = -ENOMEM;
                 goto error;
@@ -2849,7 +2839,7 @@ int btrfs_chunk_readonly(struct btrfs_root *root, u64 chunk_offset)
 
 void btrfs_mapping_init(struct btrfs_mapping_tree *tree)
 {
-        extent_map_tree_init(&tree->map_tree, GFP_NOFS);
+        extent_map_tree_init(&tree->map_tree);
 }
 
 void btrfs_mapping_tree_free(struct btrfs_mapping_tree *tree)
@@ -3499,7 +3489,7 @@ static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key,
                 free_extent_map(em);
         }
 
-        em = alloc_extent_map(GFP_NOFS);
+        em = alloc_extent_map();
         if (!em)
                 return -ENOMEM;
         num_stripes = btrfs_chunk_num_stripes(leaf, chunk);
@@ -3688,15 +3678,6 @@ static int read_one_dev(struct btrfs_root *root,
         return ret;
 }
 
-int btrfs_read_super_device(struct btrfs_root *root, struct extent_buffer *buf)
-{
-        struct btrfs_dev_item *dev_item;
-
-        dev_item = (struct btrfs_dev_item *)offsetof(struct btrfs_super_block,
-                                                     dev_item);
-        return read_one_dev(root, buf, dev_item);
-}
-
 int btrfs_read_sys_array(struct btrfs_root *root)
 {
         struct btrfs_super_block *super_copy = &root->fs_info->super_copy;
@@ -3813,7 +3794,7 @@ again:
         }
         if (key.objectid == BTRFS_DEV_ITEMS_OBJECTID) {
                 key.objectid = 0;
-                btrfs_release_path(root, path);
+                btrfs_release_path(path);
                 goto again;
         }
         ret = 0;