linux-kernel - [PATCH 11/20] fs: remove a weird comment in submit_bh

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Date:   Wed,  1 Jul 2020 10:59:38 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     dm-devel@...hat.com, linux-kernel@...r.kernel.org,
        linux-m68k@...ts.linux-m68k.org, linux-xtensa@...ux-xtensa.org,
        drbd-dev@...ts.linbit.com, linuxppc-dev@...ts.ozlabs.org,
        linux-bcache@...r.kernel.org, linux-raid@...r.kernel.org,
        linux-nvdimm@...ts.01.org, linux-nvme@...ts.infradead.org,
        linux-s390@...r.kernel.org
Subject: [PATCH 11/20] 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@....de>
---
 fs/buffer.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index 64fe82ec65ff1f..2725ebbcfdc246 100644
--- 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;
-- 
2.26.2