linux-kernel - [PATCH 26/42] block: copy bio op to request op

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Date:	Fri, 15 Apr 2016 05:39:46 -0500
From:	mchristi@...hat.com
To:	linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org,
	konrad.wilk@...cle.com, drbd-dev@...ts.linbit.com,
	philipp.reisner@...bit.com, lars.ellenberg@...bit.com,
	linux-raid@...r.kernel.org, dm-devel@...hat.com,
	linux-fsdevel@...r.kernel.org, linux-bcache@...r.kernel.org,
	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-scsi@...r.kernel.org, linux-mtd@...ts.infradead.org,
	target-devel@...r.kernel.org, linux-btrfs@...r.kernel.org,
	osd-dev@...n-osd.org, xfs@....sgi.com, ocfs2-devel@....oracle.com
Cc:	Mike Christie <mchristi@...hat.com>
Subject: [PATCH 26/42] block: copy bio op to request op

From: Mike Christie <mchristi@...hat.com>

The bio users should now always be setting up the bio->bi_op. This patch
has us copy that to the struct request op field.

Signed-off-by: Mike Christie <mchristi@...hat.com>
Reviewed-by: Christoph Hellwig <hch@....de>
Reviewed-by: Hannes Reinecke <hare@...e.com>
---
 block/blk-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/block/blk-core.c b/block/blk-core.c
index 3b238ef..94736c3 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -2991,6 +2991,7 @@ void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
 {
 	/* tmp compat. Allow users to set bi_op or bi_rw */
 	rq->cmd_flags |= bio_data_dir(bio);
+	rq->op = bio->bi_op;
 
 	if (bio_has_data(bio))
 		rq->nr_phys_segments = bio_phys_segments(q, bio);
@@ -3075,6 +3076,7 @@ EXPORT_SYMBOL_GPL(blk_rq_unprep_clone);
 static void __blk_rq_prep_clone(struct request *dst, struct request *src)
 {
 	dst->cpu = src->cpu;
+	dst->op = src->op;
 	dst->cmd_flags |= (src->cmd_flags & REQ_CLONE_MASK) | REQ_NOMERGE;
 	dst->cmd_type = src->cmd_type;
 	dst->__sector = blk_rq_pos(src);
-- 
2.7.2