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Searched refs:nr_segs (Results 1 – 25 of 35) sorted by relevance

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/OK3568_Linux_fs/kernel/block/
H A Dblk-merge.c301 void __blk_queue_split(struct bio **bio, unsigned int *nr_segs) in __blk_queue_split() argument
309 split = blk_bio_discard_split(q, *bio, &q->bio_split, nr_segs); in __blk_queue_split()
313 nr_segs); in __blk_queue_split()
317 nr_segs); in __blk_queue_split()
332 *nr_segs = 1; in __blk_queue_split()
335 split = blk_bio_segment_split(q, *bio, &q->bio_split, nr_segs); in __blk_queue_split()
364 unsigned int nr_segs; in blk_queue_split() local
366 __blk_queue_split(bio, &nr_segs); in blk_queue_split()
585 int ll_back_merge_fn(struct request *req, struct bio *bio, unsigned int nr_segs) in ll_back_merge_fn() argument
600 return ll_new_hw_segment(req, bio, nr_segs); in ll_back_merge_fn()
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H A Dblk-mq-sched.h12 unsigned int nr_segs, struct request **merged_request);
14 unsigned int nr_segs);
33 unsigned int nr_segs) in blk_mq_sched_bio_merge() argument
38 return __blk_mq_sched_bio_merge(q, bio, nr_segs); in blk_mq_sched_bio_merge()
H A Dblk.h91 unsigned int nr_segs) in blk_rq_bio_prep() argument
93 rq->nr_phys_segments = nr_segs; in blk_rq_bio_prep()
184 unsigned int nr_segs, struct request **same_queue_rq);
186 struct bio *bio, unsigned int nr_segs);
236 void __blk_queue_split(struct bio **bio, unsigned int *nr_segs);
238 unsigned int nr_segs);
H A Dblk-map.c26 if (data->nr_segs > UIO_MAXIOV) in bio_alloc_map_data()
29 bmd = kmalloc(struct_size(bmd, iov, data->nr_segs), gfp_mask); in bio_alloc_map_data()
32 memcpy(bmd->iov, data->iov, sizeof(struct iovec) * data->nr_segs); in bio_alloc_map_data()
529 unsigned int nr_segs = 0; in blk_rq_append_bio() local
534 nr_segs++; in blk_rq_append_bio()
537 blk_rq_bio_prep(rq, *bio, nr_segs); in blk_rq_append_bio()
539 if (!ll_back_merge_fn(rq, *bio, nr_segs)) { in blk_rq_append_bio()
H A Dblk-mq-sched.c355 unsigned int nr_segs) in __blk_mq_sched_bio_merge() argument
364 return e->type->ops.bio_merge(q, bio, nr_segs); in __blk_mq_sched_bio_merge()
380 if (blk_bio_list_merge(q, &ctx->rq_lists[type], bio, nr_segs)) { in __blk_mq_sched_bio_merge()
H A Dblk-mq.c1983 unsigned int nr_segs) in blk_mq_bio_to_request() argument
1992 blk_rq_bio_prep(rq, bio, nr_segs); in blk_mq_bio_to_request()
2214 unsigned int nr_segs; in blk_mq_submit_bio() local
2219 __blk_queue_split(&bio, &nr_segs); in blk_mq_submit_bio()
2225 blk_attempt_plug_merge(q, bio, nr_segs, &same_queue_rq)) in blk_mq_submit_bio()
2228 if (blk_mq_sched_bio_merge(q, bio, nr_segs)) in blk_mq_submit_bio()
2248 blk_mq_bio_to_request(rq, bio, nr_segs); in blk_mq_submit_bio()
H A Dkyber-iosched.c566 unsigned int nr_segs) in kyber_bio_merge() argument
577 merged = blk_bio_list_merge(hctx->queue, rq_list, bio, nr_segs); in kyber_bio_merge()
H A Dmq-deadline-main.c692 unsigned int nr_segs) in dd_bio_merge() argument
699 ret = blk_mq_sched_try_merge(q, bio, nr_segs, &free); in dd_bio_merge()
/OK3568_Linux_fs/kernel/include/linux/
H A Duio.h32 unsigned long nr_segs; member
51 unsigned long nr_segs; member
69 state->nr_segs = iter->nr_segs; in iov_iter_save_state()
109 static inline size_t iov_length(const struct iovec *iov, unsigned long nr_segs) in iov_length() argument
114 for (seg = 0; seg < nr_segs; seg++) in iov_length()
230 unsigned long nr_segs, size_t count);
232 unsigned long nr_segs, size_t count);
234 unsigned long nr_segs, size_t count);
291 unsigned long nr_segs, unsigned long fast_segs,
294 unsigned nr_segs, unsigned fast_segs, struct iovec **iovp,
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/OK3568_Linux_fs/kernel/lib/
H A Diov_iter.c112 i->nr_segs -= i->bvec - bvec; \
122 i->nr_segs -= kvec - i->kvec; \
134 i->nr_segs -= iov - i->iov; \
242 i->nr_segs -= iov - i->iov; in copy_page_to_iter_iovec()
326 i->nr_segs -= iov - i->iov; in copy_page_from_iter_iovec()
450 const struct iovec *iov, unsigned long nr_segs, in iov_iter_init() argument
464 i->nr_segs = nr_segs; in iov_iter_init()
1135 i->nr_segs++; in iov_iter_revert()
1147 i->nr_segs++; in iov_iter_revert()
1166 if (i->nr_segs == 1) in iov_iter_single_seg_count()
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/OK3568_Linux_fs/kernel/drivers/scsi/
H A Dxen-scsifront.c1057 unsigned int sg_grant, nr_segs; in scsifront_read_backend_params() local
1061 nr_segs = min_t(unsigned int, sg_grant, SG_ALL); in scsifront_read_backend_params()
1062 nr_segs = max_t(unsigned int, nr_segs, VSCSIIF_SG_TABLESIZE); in scsifront_read_backend_params()
1063 nr_segs = min_t(unsigned int, nr_segs, in scsifront_read_backend_params()
1068 dev_info(&dev->dev, "using up to %d SG entries\n", nr_segs); in scsifront_read_backend_params()
1069 else if (info->pause && nr_segs < host->sg_tablesize) in scsifront_read_backend_params()
1072 host->sg_tablesize, nr_segs); in scsifront_read_backend_params()
1074 host->sg_tablesize = nr_segs; in scsifront_read_backend_params()
1075 host->max_sectors = (nr_segs - 1) * PAGE_SIZE / 512; in scsifront_read_backend_params()
H A Dscsi_lib.c1010 unsigned short nr_segs = blk_rq_nr_phys_segments(rq); in scsi_alloc_sgtables() local
1016 if (WARN_ON_ONCE(!nr_segs)) in scsi_alloc_sgtables()
1024 nr_segs++; in scsi_alloc_sgtables()
1029 if (unlikely(sg_alloc_table_chained(&cmd->sdb.table, nr_segs, in scsi_alloc_sgtables()
/OK3568_Linux_fs/kernel/drivers/hwtracing/intel_th/
H A Dmsu.c73 unsigned int nr_segs; member
330 for_each_sg(win->sgt->sgl, sg, win->nr_segs, blk) { in msc_win_total_sz()
425 for_each_sg(win->sgt->sgl, sg, win->nr_segs, blk) { in msc_win_oldest_sg()
664 for_each_sg(win->sgt->sgl, sg, win->nr_segs, blk) { in msc_buffer_clear_hw_header()
994 unsigned int nr_segs) in __msc_buffer_win_alloc() argument
1000 ret = sg_alloc_table(win->sgt, nr_segs, GFP_KERNEL); in __msc_buffer_win_alloc()
1004 for_each_sg(win->sgt->sgl, sg_ptr, nr_segs, i) { in __msc_buffer_win_alloc()
1014 return nr_segs; in __msc_buffer_win_alloc()
1027 static void msc_buffer_set_uc(struct msc_window *win, unsigned int nr_segs) in msc_buffer_set_uc() argument
1032 for_each_sg(win->sgt->sgl, sg_ptr, nr_segs, i) { in msc_buffer_set_uc()
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/OK3568_Linux_fs/kernel/arch/powerpc/mm/
H A Ddma-noncoherent.c65 int nr_segs = 1 + ((size - seg_size) + PAGE_SIZE - 1)/PAGE_SIZE; in __dma_sync_page_highmem() local
84 } while (seg_nr < nr_segs); in __dma_sync_page_highmem()
/OK3568_Linux_fs/kernel/fs/fuse/
H A Ddev.c661 unsigned long nr_segs; member
721 BUG_ON(!cs->nr_segs); in fuse_copy_fill()
727 cs->nr_segs--; in fuse_copy_fill()
729 if (cs->nr_segs >= cs->pipe->max_usage) in fuse_copy_fill()
745 cs->nr_segs++; in fuse_copy_fill()
821 BUG_ON(!cs->nr_segs); in fuse_try_move_page()
825 cs->nr_segs--; in fuse_try_move_page()
917 if (cs->nr_segs >= cs->pipe->max_usage) in fuse_ref_page()
935 cs->nr_segs++; in fuse_ref_page()
1412 if (pipe_occupancy(pipe->head, pipe->tail) + cs.nr_segs > pipe->max_usage) { in fuse_dev_splice_read()
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/OK3568_Linux_fs/kernel/drivers/block/xen-blkback/
H A Dblkback.c710 invcount = xen_blkbk_unmap_prepare(ring, pages, req->nr_segs, in xen_blkbk_unmap_and_respond()
907 pending_req->nr_segs, in xen_blkbk_map_seg()
923 nseg = pending_req->nr_segs; in xen_blkbk_parse_indirect()
1256 pending_req->nr_segs = nseg; in dispatch_rw_block_io()
1379 pending_req->nr_segs); in dispatch_rw_block_io()
H A Dcommon.h347 int nr_segs; member
/OK3568_Linux_fs/kernel/drivers/nvme/target/
H A Dio-cmd-file.c103 unsigned long nr_segs, size_t count, int ki_flags) in nvmet_file_submit_bvec() argument
120 iov_iter_bvec(&iter, rw, req->f.bvec, nr_segs, count); in nvmet_file_submit_bvec()
/OK3568_Linux_fs/kernel/mm/
H A Dswap.c169 int get_kernel_pages(const struct kvec *kiov, int nr_segs, int write, in get_kernel_pages() argument
174 for (seg = 0; seg < nr_segs; seg++) { in get_kernel_pages()
/OK3568_Linux_fs/kernel/sound/core/
H A Dpcm_native.c3487 if (to->nr_segs > 1024 || to->nr_segs != runtime->channels) in snd_pcm_readv()
3492 bufs = kmalloc_array(to->nr_segs, sizeof(void *), GFP_KERNEL); in snd_pcm_readv()
3495 for (i = 0; i < to->nr_segs; ++i) in snd_pcm_readv()
3523 if (from->nr_segs > 128 || from->nr_segs != runtime->channels || in snd_pcm_writev()
3527 bufs = kmalloc_array(from->nr_segs, sizeof(void *), GFP_KERNEL); in snd_pcm_writev()
3530 for (i = 0; i < from->nr_segs; ++i) in snd_pcm_writev()
/OK3568_Linux_fs/kernel/fs/
H A Dsplice.c1290 unsigned long, nr_segs, unsigned int, flags) in SYSCALL_DEFINE4() argument
1307 error = import_iovec(type, uiov, nr_segs, in SYSCALL_DEFINE4()
/OK3568_Linux_fs/kernel/fs/cifs/
H A Dsmb1ops.c746 struct kvec *iov, unsigned long nr_segs) in cifs_sync_write() argument
750 return CIFSSMBWrite2(xid, parms, written, iov, nr_segs); in cifs_sync_write()
/OK3568_Linux_fs/kernel/fs/afs/
H A Drxrpc.c340 nr = msg->msg_iter.nr_segs; in afs_send_pages()
/OK3568_Linux_fs/kernel/drivers/infiniband/hw/qib/
H A Dqib_file_ops.c2248 if (!iter_is_iovec(from) || !from->nr_segs || !pq) in qib_write_iter()
2251 return qib_user_sdma_writev(rcd, pq, from->iov, from->nr_segs); in qib_write_iter()
/OK3568_Linux_fs/kernel/net/caif/
H A Dcaif_socket.c542 if (unlikely(msg->msg_iter.nr_segs == 0) || in caif_seqpkt_sendmsg()

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