ext4: prevent race while walking extent tree for fiemap

[firefly-linux-kernel-4.4.55.git] / fs / ext4 / ext4_extents.h

diff --git a/fs/ext4/ext4_extents.h b/fs/ext4/ext4_extents.h
index 603bb114735cd968ff9a3aa89793dc84c7e680ad..173b6c545323c248937dbc012b502abca59152fb 100644 (file)
--- a/fs/ext4/ext4_extents.h
+++ b/fs/ext4/ext4_extents.h
@@ -143,20 +143,6 @@ struct ext4_ext_path {
  * structure for external API
  */
 
-/*
- * to be called by ext4_ext_walk_space()
- * negative retcode - error
- * positive retcode - signal for ext4_ext_walk_space(), see below
- * callback must return valid extent (passed or newly created)
- */
-typedef int (*ext_prepare_callback)(struct inode *, ext4_lblk_t,
-                                       struct ext4_ext_cache *,
-                                       struct ext4_extent *, void *);
-
-#define EXT_CONTINUE   0
-#define EXT_BREAK      1
-#define EXT_REPEAT     2
-
 /*
  * Maximum number of logical blocks in a file; ext4_extent's ee_block is
  * __le32.