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| author |   Jens Axboe <jens.axboe@oracle.com> | 2009-04-07 08:59:11 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-04-07 08:59:11 +0200 |
| commit | 2385327725419a76cfbca7258abd95908b8ba9eb (patch) | |
| tree | dee9c8167092707fbd3f1b1c5fdadc33ccf924a5 | |
| parent | cfq-iosched: kill two unused cfqq flags (diff) | |
| download | linux-dev-2385327725419a76cfbca7258abd95908b8ba9eb.tar.xz linux-dev-2385327725419a76cfbca7258abd95908b8ba9eb.zip | |
block: remove unused REQ_UNPLUG
The request inherits the unplug flag from the bio, but it isn't actually
used. The bio flag stops at __make_request(), which tells it to unplug
after submission. Passing it on to the request doesn't make any sense.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| -rw-r--r-- | block/blk-core.c | 2 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 2 |
2 files changed, 0 insertions, 4 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 3688abff2430..43fdedc524ee 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1123,8 +1123,6 @@ void init_request_from_bio(struct request *req, struct bio *bio) if (bio_sync(bio)) req->cmd_flags |= REQ_RW_SYNC; - if (bio_unplug(bio)) - req->cmd_flags |= REQ_UNPLUG; if (bio_rw_meta(bio)) req->cmd_flags |= REQ_RW_META; if (bio_noidle(bio)) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index e03660964e02..ba54c834a590 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -117,7 +117,6 @@ enum rq_flag_bits { __REQ_RW_META, /* metadata io request */ __REQ_COPY_USER, /* contains copies of user pages */ __REQ_INTEGRITY, /* integrity metadata has been remapped */ - __REQ_UNPLUG, /* unplug queue on submission */ __REQ_NOIDLE, /* Don't anticipate more IO after this one */ __REQ_NR_BITS, /* stops here */ }; @@ -145,7 +144,6 @@ enum rq_flag_bits { #define REQ_RW_META (1 << __REQ_RW_META) #define REQ_COPY_USER (1 << __REQ_COPY_USER) #define REQ_INTEGRITY (1 << __REQ_INTEGRITY) -#define REQ_UNPLUG (1 << __REQ_UNPLUG) #define REQ_NOIDLE (1 << __REQ_NOIDLE) #define BLK_MAX_CDB 16 |