f2fs: move bio_private allocation out of f2fs_bio_alloc()

bio->bi_private is not always needed. As in the reading data path,
end_read_io does not need bio_private for further using, so moving
bio_private allocation out of f2fs_bio_alloc(). Alloc it in the
submit_write_page(), and ignore it in the f2fs_readpage().

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index c73c394c3d8..19cd7c6e964 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -365,7 +365,6 @@ static void read_end_io(struct bio *bio, int err)
 		}
 		unlock_page(page);
 	} while (bvec >= bio->bi_io_vec);
-	kfree(bio->bi_private);
 	bio_put(bio);
 }