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Searched refs:nr_segs (Results 1 – 25 of 56) sorted by relevance

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/linux-6.15/lib/
H A Diov_iter.c172 .nr_segs = nr_segs, in iov_iter_init()
634 i->nr_segs++; in iov_iter_revert()
649 i->nr_segs++; in iov_iter_revert()
688 .nr_segs = nr_segs, in iov_iter_kvec()
704 .nr_segs = nr_segs, in iov_iter_bvec()
1205 i->nr_segs--; in __iov_iter_get_pages_alloc()
1575 i->bvec -= state->nr_segs - i->nr_segs; in iov_iter_restore()
1577 i->__iov -= state->nr_segs - i->nr_segs; in iov_iter_restore()
1578 i->nr_segs = state->nr_segs; in iov_iter_restore()
1708 i->nr_segs--; in iov_iter_extract_bvec_pages()
[all …]
/linux-6.15/include/linux/
H A Duio.h40 unsigned long nr_segs; member
79 unsigned long nr_segs; member
114 state->nr_segs = iter->nr_segs; in iov_iter_save_state()
174 for (seg = 0; seg < nr_segs; seg++) in iov_length()
294 unsigned long nr_segs, size_t count);
296 unsigned long nr_segs, size_t count);
298 unsigned long nr_segs, size_t count);
364 unsigned long nr_segs, unsigned long fast_segs,
367 unsigned nr_segs, unsigned fast_segs, struct iovec **iovp,
370 unsigned nr_segs, unsigned fast_segs, struct iovec **iovp,
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H A Diov_iter.h64 iter->nr_segs -= p - iter->__iov; in iterate_iovec()
98 iter->nr_segs -= p - iter->kvec; in iterate_kvec()
137 iter->nr_segs -= p - iter->bvec; in iterate_bvec()
/linux-6.15/net/core/
H A Dnet_test.c51 unsigned int nr_segs; member
60 .nr_segs = 1,
67 .nr_segs = 3,
76 .nr_segs = 3,
84 .nr_segs = 3,
93 .nr_segs = 2,
103 .nr_segs = 3,
111 .nr_segs = 2,
121 .nr_segs = 4,
135 .nr_segs = 4,
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/linux-6.15/block/
H A Dblk-merge.c378 unsigned *nr_segs) in bio_split_rw() argument
381 bio_split_rw_at(bio, lim, nr_segs, in bio_split_rw()
437 unsigned int nr_segs; in bio_split_to_limits() local
659 unsigned int nr_segs) in ll_front_merge_fn() argument
985 struct bio *bio, unsigned int nr_segs) in bio_attempt_back_merge() argument
989 if (!ll_back_merge_fn(req, bio, nr_segs)) in bio_attempt_back_merge()
1014 struct bio *bio, unsigned int nr_segs) in bio_attempt_front_merge() argument
1026 if (!ll_front_merge_fn(req, bio, nr_segs)) in bio_attempt_front_merge()
1077 unsigned int nr_segs, in blk_attempt_bio_merge() argument
1122 unsigned int nr_segs) in blk_attempt_plug_merge() argument
[all …]
H A Dblk.h306 struct bio *bio, unsigned int nr_segs);
308 unsigned int nr_segs);
310 struct bio *bio, unsigned int nr_segs);
350 unsigned *nr_segs);
393 return bio_split_rw(bio, lim, nr_segs); in __bio_split_to_limits()
394 *nr_segs = 1; in __bio_split_to_limits()
397 return bio_split_zone_append(bio, lim, nr_segs); in __bio_split_to_limits()
400 return bio_split_discard(bio, lim, nr_segs); in __bio_split_to_limits()
402 return bio_split_write_zeroes(bio, lim, nr_segs); in __bio_split_to_limits()
405 *nr_segs = 0; in __bio_split_to_limits()
[all …]
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()
34 memcpy(bmd->iov, iter_iov(data), sizeof(struct iovec) * data->nr_segs); in bio_alloc_map_data()
481 unsigned int nr_segs = 0; in blk_rq_append_bio() local
485 ret = bio_split_rw_at(bio, lim, &nr_segs, max_bytes); in blk_rq_append_bio()
494 if (!ll_back_merge_fn(rq, bio, nr_segs)) in blk_rq_append_bio()
503 rq->nr_phys_segments = nr_segs; in blk_rq_append_bio()
H A Dblk-mq-sched.h11 unsigned int nr_segs, struct request **merged_request);
13 unsigned int nr_segs);
H A Dblk-mq-sched.c338 unsigned int nr_segs) in blk_mq_sched_bio_merge() argument
347 ret = e->type->ops.bio_merge(q, bio, nr_segs); in blk_mq_sched_bio_merge()
364 if (blk_bio_list_merge(q, &ctx->rq_lists[type], bio, nr_segs)) in blk_mq_sched_bio_merge()
H A Dblk-crypto-fallback.c162 unsigned int nr_segs = bio_segments(bio_src); in blk_crypto_fallback_clone_bio() local
167 bio = bio_kmalloc(nr_segs, GFP_NOIO); in blk_crypto_fallback_clone_bio()
170 bio_init(bio, bio_src->bi_bdev, bio->bi_inline_vecs, nr_segs, in blk_crypto_fallback_clone_bio()
H A Dblk-zoned.c779 struct bio *bio, unsigned int nr_segs) in disk_zone_wplug_add_bio() argument
812 bio->__bi_nr_segments = nr_segs; in disk_zone_wplug_add_bio()
986 static bool blk_zone_wplug_handle_write(struct bio *bio, unsigned int nr_segs) in blk_zone_wplug_handle_write() argument
1055 disk_zone_wplug_add_bio(disk, zwplug, bio, nr_segs); in blk_zone_wplug_handle_write()
1115 bool blk_zone_plug_bio(struct bio *bio, unsigned int nr_segs) in blk_zone_plug_bio() argument
1166 return blk_zone_wplug_handle_write(bio, nr_segs); in blk_zone_plug_bio()
/linux-6.15/fs/smb/server/
H A Dtransport_tcp.c121 unsigned int nr_segs, size_t bytes) in kvec_array_init() argument
132 nr_segs--; in kvec_array_init()
137 memcpy(new, iov, sizeof(*iov) * nr_segs); in kvec_array_init()
140 return nr_segs; in kvec_array_init()
150 static struct kvec *get_conn_iovec(struct tcp_transport *t, unsigned int nr_segs) in get_conn_iovec() argument
154 if (t->iov && nr_segs <= t->nr_iov) in get_conn_iovec()
158 new_iov = kmalloc_array(nr_segs, sizeof(*new_iov), KSMBD_DEFAULT_GFP); in get_conn_iovec()
162 t->nr_iov = nr_segs; in get_conn_iovec()
309 unsigned int nr_segs, unsigned int to_read, in ksmbd_tcp_readv() argument
319 iov = get_conn_iovec(t, nr_segs); in ksmbd_tcp_readv()
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/linux-6.15/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()
/linux-6.15/drivers/scsi/
H A Dxen-scsifront.c1133 unsigned int sg_grant, nr_segs; in scsifront_read_backend_params() local
1137 nr_segs = min_t(unsigned int, sg_grant, SG_ALL); in scsifront_read_backend_params()
1138 nr_segs = max_t(unsigned int, nr_segs, VSCSIIF_SG_TABLESIZE); in scsifront_read_backend_params()
1139 nr_segs = min_t(unsigned int, nr_segs, in scsifront_read_backend_params()
1144 dev_info(&dev->dev, "using up to %d SG entries\n", nr_segs); in scsifront_read_backend_params()
1145 else if (info->pause && nr_segs < host->sg_tablesize) in scsifront_read_backend_params()
1148 host->sg_tablesize, nr_segs); in scsifront_read_backend_params()
1150 host->sg_tablesize = nr_segs; in scsifront_read_backend_params()
1151 host->max_sectors = (nr_segs - 1) * PAGE_SIZE / 512; in scsifront_read_backend_params()
/linux-6.15/io_uring/
H A Drsrc.c1050 iter->nr_segs = 1 + bvec - iter->bvec; in io_import_kbuf()
1061 unsigned nr_segs; in io_import_fixed() local
1100 iov_iter_bvec(iter, ddir, bvec, nr_segs, len); in io_import_fixed()
1441 *nr_segs = 0; in io_kern_bvec_size()
1451 *nr_segs += max_segs; in io_kern_bvec_size()
1466 unsigned nr_segs; in io_import_reg_vec() local
1484 nr_segs = io_estimate_bvec_size(iov, nr_iovs, imu); in io_import_reg_vec()
1490 bvec_bytes = nr_segs * sizeof(struct bio_vec); in io_import_reg_vec()
1492 nr_segs += nr_iovs; in io_import_reg_vec()
1495 if (nr_segs > vec->nr) { in io_import_reg_vec()
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H A Dnet.c201 int ret, nr_segs; in io_net_import_vec() local
204 nr_segs = iomsg->vec.nr; in io_net_import_vec()
207 nr_segs = 1; in io_net_import_vec()
211 ret = __import_iovec(ddir, uiov, uvec_seg, nr_segs, &iov, in io_net_import_vec()
218 io_vec_reset_iovec(&iomsg->vec, iov, iomsg->msg.msg_iter.nr_segs); in io_net_import_vec()
283 iomsg->msg.msg_iter.nr_segs = 0; in io_msg_copy_hdr()
388 kmsg->msg.msg_iter.nr_segs = msg.msg_iovlen; in io_sendmsg_setup()
1389 from->nr_segs -= bi.bi_idx; in io_sg_from_iter()
1491 unsigned uvec_segs = kmsg->msg.msg_iter.nr_segs; in io_sendmsg_zc()
H A Drw.c87 int ret, nr_segs; in io_import_vec() local
91 nr_segs = io->vec.nr; in io_import_vec()
94 nr_segs = 1; in io_import_vec()
98 ret = __import_iovec(ddir, uvec, uvec_segs, nr_segs, &iov, &io->iter, in io_import_vec()
104 io_vec_reset_iovec(&io->vec, iov, io->iter.nr_segs); in io_import_vec()
/linux-6.15/drivers/hwtracing/intel_th/
H A Dmsu.c75 unsigned int nr_segs; member
340 for_each_sg(win->sgt->sgl, sg, win->nr_segs, blk) { in msc_win_total_sz()
435 for_each_sg(win->sgt->sgl, sg, win->nr_segs, blk) { in msc_win_oldest_sg()
672 for_each_sg(win->sgt->sgl, sg, win->nr_segs, blk) { in msc_buffer_clear_hw_header()
1003 unsigned int nr_segs) in __msc_buffer_win_alloc() argument
1013 for_each_sg(win->sgt->sgl, sg_ptr, nr_segs, i) { in __msc_buffer_win_alloc()
1023 return nr_segs; in __msc_buffer_win_alloc()
1135 win->nr_segs = ret; in msc_buffer_win_alloc()
1160 for_each_sg(win->sgt->sgl, sg, win->nr_segs, i) { in __msc_buffer_win_free()
1233 if (blk == win->nr_segs - 1) { in msc_buffer_relink()
[all …]
/linux-6.15/drivers/md/bcache/
H A Ddebug.c110 unsigned int nr_segs = bio_segments(bio); in bch_data_verify() local
115 check = bio_kmalloc(nr_segs, GFP_NOIO); in bch_data_verify()
118 bio_init(check, bio->bi_bdev, check->bi_inline_vecs, nr_segs, in bch_data_verify()
/linux-6.15/fs/iomap/
H A Dioend.c164 unsigned int nr_segs; in iomap_split_ioend() local
174 sector_offset = bio_split_rw_at(bio, lim, &nr_segs, max_len); in iomap_split_ioend()
/linux-6.15/drivers/nvme/target/
H A Dpci-epf.c705 int nr_segs = iod->nr_data_segs + nsegs; in nvmet_pci_epf_alloc_iod_data_segs() local
708 nr_segs * sizeof(struct nvmet_pci_epf_segment), in nvmet_pci_epf_alloc_iod_data_segs()
713 iod->nr_data_segs = nr_segs; in nvmet_pci_epf_alloc_iod_data_segs()
796 int nr_segs, nr_prps = 0; in nvmet_pci_epf_iod_parse_prp_list() local
829 nr_segs = 1; in nvmet_pci_epf_iod_parse_prp_list()
870 nr_segs++; in nvmet_pci_epf_iod_parse_prp_list()
871 if (WARN_ON_ONCE(nr_segs > iod->nr_data_segs)) in nvmet_pci_epf_iod_parse_prp_list()
888 iod->nr_data_segs = nr_segs; in nvmet_pci_epf_iod_parse_prp_list()
926 int ret, nr_segs = 1; in nvmet_pci_epf_iod_parse_prp_simple() local
946 nr_segs = 2; in nvmet_pci_epf_iod_parse_prp_simple()
[all …]
H A Dio-cmd-file.c77 unsigned long nr_segs, size_t count, int ki_flags) in nvmet_file_submit_bvec() argument
94 iov_iter_bvec(&iter, rw, req->f.bvec, nr_segs, count); in nvmet_file_submit_bvec()
/linux-6.15/fs/fuse/
H A Dfuse_dev_i.h29 unsigned long nr_segs; member
H A Ddev.c868 BUG_ON(!cs->nr_segs); in fuse_copy_fill()
874 cs->nr_segs--; in fuse_copy_fill()
876 if (cs->nr_segs >= cs->pipe->max_usage) in fuse_copy_fill()
892 cs->nr_segs++; in fuse_copy_fill()
976 BUG_ON(!cs->nr_segs); in fuse_try_move_page()
980 cs->nr_segs--; in fuse_try_move_page()
1067 if (cs->nr_segs >= cs->pipe->max_usage) in fuse_ref_page()
1085 cs->nr_segs++; in fuse_ref_page()
1571 if (pipe_buf_usage(pipe) + cs.nr_segs > pipe->max_usage) { in fuse_dev_splice_read()
1590 for (; page_nr < cs.nr_segs; page_nr++) in fuse_dev_splice_read()
[all …]
/linux-6.15/fs/bcachefs/
H A Dfs-io-direct.c330 if (dio->iter.nr_segs > ARRAY_SIZE(dio->inline_vecs)) { in bch2_dio_write_copy_iov()
331 dio->iov = iov = kmalloc_array(dio->iter.nr_segs, sizeof(*iov), in bch2_dio_write_copy_iov()
337 memcpy(iov, dio->iter.__iov, dio->iter.nr_segs * sizeof(*iov)); in bch2_dio_write_copy_iov()

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