Btrfs: cleanup redundant code in btrfs_submit_direct()

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4d7c022583909ace48705b1fbc2c96cfe6fd4ee7..0a43d42268f7ccc2dbdc4682b518df7545ed509a 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7148,7 +7148,6 @@ static void btrfs_submit_direct(int rw, struct bio *dio_bio,
 {
        struct btrfs_root *root = BTRFS_I(inode)->root;
        struct btrfs_dio_private *dip;
-       struct bio_vec *bvec = dio_bio->bi_io_vec;
        struct bio *io_bio;
        int skip_sum;
        int write = rw & REQ_WRITE;
@@ -7170,16 +7169,9 @@ static void btrfs_submit_direct(int rw, struct bio *dio_bio,
        }
 
        dip->private = dio_bio->bi_private;
-       io_bio->bi_private = dio_bio->bi_private;
        dip->inode = inode;
        dip->logical_offset = file_offset;
-
-       dip->bytes = 0;
-       do {
-               dip->bytes += bvec->bv_len;
-               bvec++;
-       } while (bvec <= (dio_bio->bi_io_vec + dio_bio->bi_vcnt - 1));
-
+       dip->bytes = dio_bio->bi_size;
        dip->disk_bytenr = (u64)dio_bio->bi_sector << 9;
        io_bio->bi_private = dip;
        dip->errors = 0;