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Searched refs:nr_segs (Results 1 – 25 of 55) sorted by relevance

123

/linux/lib/
H A Diov_iter.c172 .nr_segs = nr_segs, in iov_iter_init()
571 i->nr_segs++; in iov_iter_revert()
583 i->nr_segs++; in iov_iter_revert()
619 .nr_segs = nr_segs, in iov_iter_kvec()
635 .nr_segs = nr_segs, in iov_iter_bvec()
1033 i->nr_segs--; in __iov_iter_get_pages_alloc()
1395 i->bvec -= state->nr_segs - i->nr_segs; in iov_iter_restore()
1397 i->__iov -= state->nr_segs - i->nr_segs; in iov_iter_restore()
1398 i->nr_segs = state->nr_segs; in iov_iter_restore()
1468 i->nr_segs--; in iov_iter_extract_bvec_pages()
[all …]
H A Dkunit_iov_iter.c126 KUNIT_EXPECT_EQ(test, iter.nr_segs, 0); in iov_kunit_copy_to_kvec()
176 KUNIT_EXPECT_EQ(test, iter.nr_segs, 0); in iov_kunit_copy_from_kvec()
285 KUNIT_EXPECT_EQ(test, iter.nr_segs, 0); in iov_kunit_copy_to_bvec()
339 KUNIT_EXPECT_EQ(test, iter.nr_segs, 0); in iov_kunit_copy_from_bvec()
/linux/include/linux/
H A Duio.h38 unsigned long nr_segs; member
76 unsigned long nr_segs; member
101 state->nr_segs = iter->nr_segs; in iov_iter_save_state()
156 for (seg = 0; seg < nr_segs; seg++) in iov_length()
270 unsigned long nr_segs, size_t count);
272 unsigned long nr_segs, size_t count);
274 unsigned long nr_segs, size_t count);
337 unsigned long nr_segs, unsigned long fast_segs,
340 unsigned nr_segs, unsigned fast_segs, struct iovec **iovp,
343 unsigned nr_segs, unsigned fast_segs, struct iovec **iovp,
[all …]
H A Diov_iter.h63 iter->nr_segs -= p - iter->__iov; in iterate_iovec()
97 iter->nr_segs -= p - iter->kvec; in iterate_kvec()
136 iter->nr_segs -= p - iter->bvec; in iterate_bvec()
/linux/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/block/
H A Dblk-merge.c352 unsigned int *nr_segs) in __bio_split_to_limits() argument
366 split = bio_split_rw(bio, lim, nr_segs, bs, in __bio_split_to_limits()
401 unsigned int nr_segs; in bio_split_to_limits() local
652 unsigned int nr_segs) in ll_front_merge_fn() argument
979 struct bio *bio, unsigned int nr_segs) in bio_attempt_back_merge() argument
983 if (!ll_back_merge_fn(req, bio, nr_segs)) in bio_attempt_back_merge()
1008 struct bio *bio, unsigned int nr_segs) in bio_attempt_front_merge() argument
1020 if (!ll_front_merge_fn(req, bio, nr_segs)) in bio_attempt_front_merge()
1071 unsigned int nr_segs, in blk_attempt_bio_merge() argument
1116 unsigned int nr_segs) in blk_attempt_plug_merge() argument
[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()
541 unsigned int nr_segs = 0; in blk_rq_append_bio() local
544 nr_segs++; in blk_rq_append_bio()
547 blk_rq_bio_prep(rq, bio, nr_segs); in blk_rq_append_bio()
549 if (!ll_back_merge_fn(rq, bio, nr_segs)) in blk_rq_append_bio()
566 size_t nr_segs = iter->nr_segs; in blk_rq_map_user_bvec() local
575 if (nr_segs > queue_max_segments(q)) in blk_rq_map_user_bvec()
584 blk_rq_bio_prep(rq, bio, nr_segs); in blk_rq_map_user_bvec()
588 for (i = 0; i < nr_segs; i++) { in blk_rq_map_user_bvec()
[all …]
H A Dblk-mq-sched.h11 unsigned int nr_segs, struct request **merged_request);
13 unsigned int nr_segs);
H A Dblk.h280 struct bio *bio, unsigned int nr_segs);
282 unsigned int nr_segs);
284 struct bio *bio, unsigned int nr_segs);
345 unsigned int *nr_segs);
347 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()
365 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.c852 struct bio *bio, unsigned int nr_segs) in blk_zone_wplug_add_bio() argument
873 bio->__bi_nr_segments = nr_segs; in blk_zone_wplug_add_bio()
1039 static bool blk_zone_wplug_handle_write(struct bio *bio, unsigned int nr_segs) in blk_zone_wplug_handle_write() argument
1104 blk_zone_wplug_add_bio(zwplug, bio, nr_segs); in blk_zone_wplug_handle_write()
1123 bool blk_zone_plug_bio(struct bio *bio, unsigned int nr_segs) in blk_zone_plug_bio() argument
1172 return blk_zone_wplug_handle_write(bio, nr_segs); in blk_zone_plug_bio()
H A Dblk-mq.c2544 unsigned int nr_segs) in blk_mq_bio_to_request() argument
2553 blk_rq_bio_prep(rq, bio, nr_segs); in blk_mq_bio_to_request()
2837 struct bio *bio, unsigned int nr_segs) in blk_mq_attempt_bio_merge() argument
2840 if (blk_attempt_plug_merge(q, bio, nr_segs)) in blk_mq_attempt_bio_merge()
2842 if (blk_mq_sched_bio_merge(q, bio, nr_segs)) in blk_mq_attempt_bio_merge()
2936 unsigned int nr_segs = 1; in blk_mq_submit_bio() local
2952 nr_segs = bio->__bi_nr_segments; in blk_mq_submit_bio()
2970 bio = __bio_split_to_limits(bio, &q->limits, &nr_segs); in blk_mq_submit_bio()
2977 if (blk_mq_attempt_bio_merge(q, bio, nr_segs)) in blk_mq_submit_bio()
2985 rq = blk_mq_get_new_requests(q, plug, bio, nr_segs); in blk_mq_submit_bio()
[all …]
/linux/fs/smb/server/
H A Dtransport_tcp.c117 unsigned int nr_segs, size_t bytes) in kvec_array_init() argument
128 nr_segs--; in kvec_array_init()
133 memcpy(new, iov, sizeof(*iov) * nr_segs); in kvec_array_init()
136 return nr_segs; in kvec_array_init()
146 static struct kvec *get_conn_iovec(struct tcp_transport *t, unsigned int nr_segs) in get_conn_iovec() argument
150 if (t->iov && nr_segs <= t->nr_iov) in get_conn_iovec()
154 new_iov = kmalloc_array(nr_segs, sizeof(*new_iov), GFP_KERNEL); in get_conn_iovec()
158 t->nr_iov = nr_segs; in get_conn_iovec()
305 unsigned int nr_segs, unsigned int to_read, in ksmbd_tcp_readv() argument
315 iov = get_conn_iovec(t, nr_segs); in ksmbd_tcp_readv()
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/linux/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/drivers/scsi/
H A Dxen-scsifront.c1132 unsigned int sg_grant, nr_segs; in scsifront_read_backend_params() local
1136 nr_segs = min_t(unsigned int, sg_grant, SG_ALL); in scsifront_read_backend_params()
1137 nr_segs = max_t(unsigned int, nr_segs, VSCSIIF_SG_TABLESIZE); in scsifront_read_backend_params()
1138 nr_segs = min_t(unsigned int, nr_segs, in scsifront_read_backend_params()
1143 dev_info(&dev->dev, "using up to %d SG entries\n", nr_segs); in scsifront_read_backend_params()
1144 else if (info->pause && nr_segs < host->sg_tablesize) in scsifront_read_backend_params()
1147 host->sg_tablesize, nr_segs); in scsifront_read_backend_params()
1149 host->sg_tablesize = nr_segs; in scsifront_read_backend_params()
1150 host->max_sectors = (nr_segs - 1) * PAGE_SIZE / 512; in scsifront_read_backend_params()
/linux/drivers/hwtracing/intel_th/
H A Dmsu.c74 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()
662 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
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()
1126 win->nr_segs = ret; in msc_buffer_win_alloc()
1151 for_each_sg(win->sgt->sgl, sg, win->nr_segs, i) { in __msc_buffer_win_free()
1227 if (blk == win->nr_segs - 1) { in msc_buffer_relink()
[all …]
/linux/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/io_uring/
H A Dnet.c181 kmsg->free_iov_nr = kmsg->msg.msg_iter.nr_segs; in io_net_vec_assign()
208 int ret, nr_segs; in io_compat_msg_copy_hdr() local
211 nr_segs = iomsg->free_iov_nr; in io_compat_msg_copy_hdr()
215 nr_segs = 1; in io_compat_msg_copy_hdr()
244 nr_segs, &iov, &iomsg->msg.msg_iter, true); in io_compat_msg_copy_hdr()
257 int ret, nr_segs; in io_msg_copy_hdr() local
260 nr_segs = iomsg->free_iov_nr; in io_msg_copy_hdr()
264 nr_segs = 1; in io_msg_copy_hdr()
317 iomsg->msg.msg_iter.nr_segs = 0; in io_sendmsg_copy_hdr()
688 iomsg->msg.msg_iter.nr_segs = 0; in io_recvmsg_copy_hdr()
[all …]
H A Drw.c87 int nr_segs, ret; in __io_import_iovec() local
106 nr_segs = io->free_iov_nr; in __io_import_iovec()
110 nr_segs = 1; in __io_import_iovec()
112 ret = __import_iovec(ddir, buf, sqe_len, nr_segs, &iov, &io->iter, in __io_import_iovec()
118 io->free_iov_nr = io->iter.nr_segs; in __io_import_iovec()
/linux/fs/fuse/
H A Ddev.c651 unsigned long nr_segs; member
707 BUG_ON(!cs->nr_segs); in fuse_copy_fill()
713 cs->nr_segs--; in fuse_copy_fill()
715 if (cs->nr_segs >= cs->pipe->max_usage) in fuse_copy_fill()
731 cs->nr_segs++; in fuse_copy_fill()
807 BUG_ON(!cs->nr_segs); in fuse_try_move_page()
811 cs->nr_segs--; in fuse_try_move_page()
900 if (cs->nr_segs >= cs->pipe->max_usage) in fuse_ref_page()
918 cs->nr_segs++; in fuse_ref_page()
1414 for (; page_nr < cs.nr_segs; page_nr++) in fuse_dev_splice_read()
[all …]
/linux/drivers/nvme/target/
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/fs/bcachefs/
H A Dfs-io-direct.c317 if (dio->iter.nr_segs > ARRAY_SIZE(dio->inline_vecs)) { in bch2_dio_write_copy_iov()
318 dio->iov = iov = kmalloc_array(dio->iter.nr_segs, sizeof(*iov), in bch2_dio_write_copy_iov()
324 memcpy(iov, dio->iter.__iov, dio->iter.nr_segs * sizeof(*iov)); in bch2_dio_write_copy_iov()
/linux/fs/netfs/
H A Diterator.c113 unsigned int nbv = iter->nr_segs, ix = 0, nsegs = 0; in netfs_limit_bvec()
/linux/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()
1361 pending_req->nr_segs = nseg; in dispatch_rw_block_io()
1475 pending_req->nr_segs); in dispatch_rw_block_io()

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