arm64: dts: rockchip: rk3399: add discrete vr support for box hardware

[firefly-linux-kernel-4.4.55.git] / fs / btrfs / backref.h

diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h
index 526d09e70c93d7ba9bde8a468409358c2e79b577..9c41fbac30091f39bad52a3f21ebf6e931db364b 100644 (file)
--- a/fs/btrfs/backref.h
+++ b/fs/btrfs/backref.h
@@ -23,8 +23,6 @@
 #include "ulist.h"
 #include "extent_io.h"
 
-#define BTRFS_BACKREF_SEARCH_COMMIT_ROOT ((struct btrfs_trans_handle *)0)
-
 struct inode_fs_paths {
        struct btrfs_path               *btrfs_path;
        struct btrfs_root               *fs_root;
@@ -34,9 +32,6 @@ struct inode_fs_paths {
 typedef int (iterate_extent_inodes_t)(u64 inum, u64 offset, u64 root,
                void *ctx);
 
-int inode_item_info(u64 inum, u64 ioff, struct btrfs_root *fs_root,
-                       struct btrfs_path *path);
-
 int extent_from_logical(struct btrfs_fs_info *fs_info, u64 logical,
                        struct btrfs_path *path, struct btrfs_key *found_key,
                        u64 *flags);
@@ -57,8 +52,8 @@ int iterate_inodes_from_logical(u64 logical, struct btrfs_fs_info *fs_info,
 int paths_from_inode(u64 inum, struct inode_fs_paths *ipath);
 
 int btrfs_find_all_roots(struct btrfs_trans_handle *trans,
-                               struct btrfs_fs_info *fs_info, u64 bytenr,
-                               u64 time_seq, struct ulist **roots);
+                        struct btrfs_fs_info *fs_info, u64 bytenr,
+                        u64 time_seq, struct ulist **roots);
 char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path,
                        u32 name_len, unsigned long name_off,
                        struct extent_buffer *eb_in, u64 parent,
@@ -73,5 +68,10 @@ int btrfs_find_one_extref(struct btrfs_root *root, u64 inode_objectid,
                          u64 start_off, struct btrfs_path *path,
                          struct btrfs_inode_extref **ret_extref,
                          u64 *found_off);
+int btrfs_check_shared(struct btrfs_trans_handle *trans,
+                      struct btrfs_fs_info *fs_info, u64 root_objectid,
+                      u64 inum, u64 bytenr);
 
+int __init btrfs_prelim_ref_init(void);
+void btrfs_prelim_ref_exit(void);
 #endif