fs: remove a weird comment in submit_bh_wbc

All bios can get remapped if submitted to partitions.  No need to
comment on that.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/buffer.c b/fs/buffer.c
index 64fe82e..2725ebb 100644 (file)
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3040,12 +3040,7 @@ static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh,
        if (test_set_buffer_req(bh) && (op == REQ_OP_WRITE))
                clear_buffer_write_io_error(bh);
 
-       /*
-        * from here on down, it's all bio -- do the initial mapping,
-        * submit_bio -> generic_make_request may further map this bio around
-        */
        bio = bio_alloc(GFP_NOIO, 1);
-
        bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9);
        bio_set_dev(bio, bh->b_bdev);
        bio->bi_write_hint = write_hint;