diff options
| -rw-r--r-- | block/blk-map.c | 9 | ||||
| -rw-r--r-- | block/blk-merge.c | 3 | ||||
| -rw-r--r-- | block/blk-mq-debugfs.c | 1 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 2 |
4 files changed, 2 insertions, 13 deletions
diff --git a/block/blk-map.c b/block/blk-map.c index b72c361911a4..b6fa343fea9f 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -654,8 +654,6 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, bio = rq->bio; } while (iov_iter_count(&i)); - if (!bio_flagged(bio, BIO_USER_MAPPED)) - rq->rq_flags |= RQF_COPY_USER; return 0; unmap_rq: @@ -731,7 +729,6 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, { int reading = rq_data_dir(rq) == READ; unsigned long addr = (unsigned long) kbuf; - int do_copy = 0; struct bio *bio, *orig_bio; int ret; @@ -740,8 +737,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, if (!len || !kbuf) return -EINVAL; - do_copy = !blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf); - if (do_copy) + if (!blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf)) bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading); else bio = bio_map_kern(q, kbuf, len, gfp_mask); @@ -752,9 +748,6 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, bio->bi_opf &= ~REQ_OP_MASK; bio->bi_opf |= req_op(rq); - if (do_copy) - rq->rq_flags |= RQF_COPY_USER; - orig_bio = bio; ret = blk_rq_append_bio(rq, &bio); if (unlikely(ret)) { diff --git a/block/blk-merge.c b/block/blk-merge.c index 1534ed736363..99c9759f3a8a 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -532,8 +532,7 @@ int blk_rq_map_sg(struct request_queue *q, struct request *rq, else if (rq->bio) nsegs = __blk_bios_map_sg(q, rq->bio, sglist, &sg); - if (unlikely(rq->rq_flags & RQF_COPY_USER) && - (blk_rq_bytes(rq) & q->dma_pad_mask)) { + if (blk_rq_bytes(rq) && (blk_rq_bytes(rq) & q->dma_pad_mask)) { unsigned int pad_len = (q->dma_pad_mask & ~blk_rq_bytes(rq)) + 1; diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index b3f2ba483992..96b7a35c898a 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -292,7 +292,6 @@ static const char *const rqf_name[] = { RQF_NAME(MQ_INFLIGHT), RQF_NAME(DONTPREP), RQF_NAME(PREEMPT), - RQF_NAME(COPY_USER), RQF_NAME(FAILED), RQF_NAME(QUIET), RQF_NAME(ELVPRIV), diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 32868fbedc9e..76da162b6ae9 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -82,8 +82,6 @@ typedef __u32 __bitwise req_flags_t; /* set for "ide_preempt" requests and also for requests for which the SCSI "quiesce" state must be ignored. */ #define RQF_PREEMPT ((__force req_flags_t)(1 << 8)) -/* contains copies of user pages */ -#define RQF_COPY_USER ((__force req_flags_t)(1 << 9)) /* vaguely specified driver internal error. Ignored by the block layer */ #define RQF_FAILED ((__force req_flags_t)(1 << 10)) /* don't warn about errors */ |