[PATCH] block: copy NOMERGE flag from bio to request

From	Shaohua Li <shli@fb.com>
Newsgroups	linux.kernel
Subject	[PATCH] block: copy NOMERGE flag from bio to request
Date	2016-04-26 02:00 +0200
Message-ID	<rrYA2-67A-15@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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bio might have NOMERGE flag set, for example blk_queue_split sets it.
When we initiate request, copy this flag too.

Signed-off-by: Shaohua Li <shli@fb.com>
---
 include/linux/blk_types.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 86a38ea..77e5d81 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -208,7 +208,7 @@ enum rq_flag_bits {
 #define REQ_COMMON_MASK \
 	(REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_PRIO | \
 	 REQ_DISCARD | REQ_WRITE_SAME | REQ_NOIDLE | REQ_FLUSH | REQ_FUA | \
-	 REQ_SECURE | REQ_INTEGRITY)
+	 REQ_SECURE | REQ_INTEGRITY | REQ_NOMERGE)
 #define REQ_CLONE_MASK		REQ_COMMON_MASK
 
 #define BIO_NO_ADVANCE_ITER_MASK	(REQ_DISCARD|REQ_WRITE_SAME)
-- 
2.8.0.rc2

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[PATCH] block: copy NOMERGE flag from bio to request Shaohua Li <shli@fb.com> - 2016-04-26 02:00 +0200
  Re: [PATCH] block: copy NOMERGE flag from bio to request Jens Axboe <axboe@kernel.dk> - 2016-04-26 03:20 +0200

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