We can use the right helper where the lock type is a fixed parameter.
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>
                                        goto out;
                                }
                                btrfs_tree_read_lock(eb);
-                               btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
+                               btrfs_set_lock_blocking_read(eb);
                                ret = find_extent_in_eb(eb, bytenr,
                                                        *extent_item_pos, &eie, ignore_offset);
                                btrfs_tree_read_unlock_blocking(eb);
                /* make sure we can use eb after releasing the path */
                if (eb != eb_in) {
                        if (!path->skip_locking)
-                               btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
+                               btrfs_set_lock_blocking_read(eb);
                        path->nodes[0] = NULL;
                        path->locks[0] = 0;
                }
 
                return eb;
 
        btrfs_set_path_blocking(path);
-       btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
+       btrfs_set_lock_blocking_read(eb);
 
        if (tm->op == MOD_LOG_KEY_REMOVE_WHILE_FREEING) {
                BUG_ON(tm->slot != 0);
                free_extent_buffer(eb_root);
                eb = alloc_dummy_extent_buffer(fs_info, logical);
        } else {
-               btrfs_set_lock_blocking_rw(eb_root, BTRFS_READ_LOCK);
+               btrfs_set_lock_blocking_read(eb_root);
                eb = btrfs_clone_extent_buffer(eb_root);
                btrfs_tree_read_unlock_blocking(eb_root);
                free_extent_buffer(eb_root);
 
 
        if (need_lock) {
                btrfs_tree_read_lock(eb);
-               btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
+               btrfs_set_lock_blocking_read(eb);
        }
 
        lock_extent_bits(io_tree, eb->start, eb->start + eb->len - 1,
 
 
 static inline void btrfs_set_lock_blocking(struct extent_buffer *eb)
 {
-       btrfs_set_lock_blocking_rw(eb, BTRFS_WRITE_LOCK);
+       btrfs_set_lock_blocking_write(eb);
 }
 
 #endif
 
                        src_path->nodes[cur_level] = eb;
 
                        btrfs_tree_read_lock(eb);
-                       btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
+                       btrfs_set_lock_blocking_read(eb);
                        src_path->locks[cur_level] = BTRFS_READ_LOCK_BLOCKING;
                }
 
                dst_path->slots[cur_level] = 0;
 
                btrfs_tree_read_lock(eb);
-               btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
+               btrfs_set_lock_blocking_read(eb);
                dst_path->locks[cur_level] = BTRFS_READ_LOCK_BLOCKING;
                need_cleanup = true;
        }
                        path->slots[level] = 0;
 
                        btrfs_tree_read_lock(eb);
-                       btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
+                       btrfs_set_lock_blocking_read(eb);
                        path->locks[level] = BTRFS_READ_LOCK_BLOCKING;
 
                        ret = btrfs_qgroup_trace_extent(trans, child_bytenr,
 
                                return -EIO;
                        }
                        btrfs_tree_read_lock(eb);
-                       btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
+                       btrfs_set_lock_blocking_read(eb);
                        path->nodes[level-1] = eb;
                        path->slots[level-1] = 0;
                        path->locks[level-1] = BTRFS_READ_LOCK_BLOCKING;
                return -ENOMEM;
 
        eb = btrfs_read_lock_root_node(fs_info->extent_root);
-       btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
+       btrfs_set_lock_blocking_read(eb);
        level = btrfs_header_level(eb);
        path->nodes[level] = eb;
        path->slots[level] = 0;