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block: copy NOMERGE flag from bio to request

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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>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Shaohua Li 2016-04-25 16:50:14 -07:00 committed by Jens Axboe
parent 93e9d8e836
commit 1fcbcc333f
1 changed files with 1 additions and 1 deletions
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2
include/linux/blk_types.h
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@ -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)