btrfs: Define submit_bio_hook's type directly

There is no need to use a typedef to define the type of the function and
then use that to define the respective member in extent_io_ops.  Define
struct's member directly. No functional changes.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index f7ca151..79bd20c 100644 (file)
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -95,9 +95,6 @@ struct btrfs_inode;
 struct btrfs_io_bio;
 struct io_failure_record;
 
-typedef        blk_status_t (extent_submit_bio_hook_t)(void *private_data, struct bio *bio,
-                                      int mirror_num, unsigned long bio_flags,
-                                      u64 bio_offset);
 
 typedef blk_status_t (extent_submit_bio_start_t)(void *private_data,
                struct bio *bio, u64 bio_offset);
@@ -107,7 +104,9 @@ struct extent_io_ops {
         * The following callbacks must be always defined, the function
         * pointer will be called unconditionally.
         */
-       extent_submit_bio_hook_t *submit_bio_hook;
+       blk_status_t (*submit_bio_hook)(void *private_data, struct bio *bio,
+                                       int mirror_num, unsigned long bio_flags,
+                                       u64 bio_offset);
        int (*readpage_end_io_hook)(struct btrfs_io_bio *io_bio, u64 phy_offset,
                                    struct page *page, u64 start, u64 end,
                                    int mirror);