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Searched refs:bvec (Results 1 – 25 of 90) sorted by relevance

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/linux-6.6.21/include/linux/
Dbvec.h98 #define __bvec_iter_bvec(bvec, iter) (&(bvec)[(iter).bi_idx]) argument
101 #define mp_bvec_iter_page(bvec, iter) \ argument
102 (__bvec_iter_bvec((bvec), (iter))->bv_page)
104 #define mp_bvec_iter_len(bvec, iter) \ argument
106 __bvec_iter_bvec((bvec), (iter))->bv_len - (iter).bi_bvec_done)
108 #define mp_bvec_iter_offset(bvec, iter) \ argument
109 (__bvec_iter_bvec((bvec), (iter))->bv_offset + (iter).bi_bvec_done)
111 #define mp_bvec_iter_page_idx(bvec, iter) \ argument
112 (mp_bvec_iter_offset((bvec), (iter)) / PAGE_SIZE)
114 #define mp_bvec_iter_bvec(bvec, iter) \ argument
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/linux-6.6.21/fs/erofs/
Dzdata.c31 struct z_erofs_bvec bvec[total]; \
200 unsigned long base = (unsigned long)((struct z_erofs_bvset *)0)->bvec; in z_erofs_bvset_flip()
232 struct z_erofs_bvec *bvec, in z_erofs_bvec_enqueue() argument
252 iter->bvset->bvec[iter->cur++] = *bvec; in z_erofs_bvec_enqueue()
257 struct z_erofs_bvec *bvec, in z_erofs_bvec_dequeue() argument
264 *bvec = iter->bvset->bvec[iter->cur++]; in z_erofs_bvec_dequeue()
725 struct z_erofs_bvec *bvec) in z_erofs_try_inplace_io() argument
731 NULL, bvec->page)) { in z_erofs_try_inplace_io()
732 pcl->compressed_bvecs[fe->icur] = *bvec; in z_erofs_try_inplace_io()
741 struct z_erofs_bvec *bvec, bool exclusive) in z_erofs_attach_page() argument
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/linux-6.6.21/lib/
Diov_iter.c135 const struct bio_vec *bvec = i->bvec; \
139 bvec, (K)) \
140 i->nr_segs -= bvec - i->bvec; \
141 i->bvec = bvec; \
605 const struct bio_vec *bvec, *end; in iov_iter_bvec_advance() local
613 for (bvec = i->bvec, end = bvec + i->nr_segs; bvec < end; bvec++) { in iov_iter_bvec_advance()
614 if (likely(size < bvec->bv_len)) in iov_iter_bvec_advance()
616 size -= bvec->bv_len; in iov_iter_bvec_advance()
619 i->nr_segs -= bvec - i->bvec; in iov_iter_bvec_advance()
620 i->bvec = bvec; in iov_iter_bvec_advance()
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Dkunit_iov_iter.c218 struct bio_vec *bvec, unsigned int bvmax, in iov_kunit_load_bvec() argument
239 bvec[i].bv_len += pr->to; in iov_kunit_load_bvec()
241 bvec_set_page(&bvec[i], page, pr->to - pr->from, pr->from); in iov_kunit_load_bvec()
251 iov_iter_bvec(iter, dir, bvec, i, size); in iov_kunit_load_bvec()
261 struct bio_vec bvec[8]; in iov_kunit_copy_to_bvec() local
277 iov_kunit_load_bvec(test, &iter, READ, bvec, ARRAY_SIZE(bvec), in iov_kunit_copy_to_bvec()
315 struct bio_vec bvec[8]; in iov_kunit_copy_from_bvec() local
331 iov_kunit_load_bvec(test, &iter, WRITE, bvec, ARRAY_SIZE(bvec), in iov_kunit_copy_from_bvec()
610 struct bio_vec bvec[8]; in iov_kunit_extract_pages_bvec() local
619 iov_kunit_load_bvec(test, &iter, READ, bvec, ARRAY_SIZE(bvec), in iov_kunit_extract_pages_bvec()
/linux-6.6.21/block/
Dblk-map.c50 struct bio_vec *bvec; in bio_copy_from_iter() local
53 bio_for_each_segment_all(bvec, bio, iter_all) { in bio_copy_from_iter()
56 ret = copy_page_from_iter(bvec->bv_page, in bio_copy_from_iter()
57 bvec->bv_offset, in bio_copy_from_iter()
58 bvec->bv_len, in bio_copy_from_iter()
64 if (ret < bvec->bv_len) in bio_copy_from_iter()
81 struct bio_vec *bvec; in bio_copy_to_iter() local
84 bio_for_each_segment_all(bvec, bio, iter_all) { in bio_copy_to_iter()
87 ret = copy_page_to_iter(bvec->bv_page, in bio_copy_to_iter()
88 bvec->bv_offset, in bio_copy_to_iter()
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Dbounce.c105 struct bio_vec *bvec, orig_vec; in bounce_end_io() local
112 bio_for_each_segment_all(bvec, bio, iter_all) { in bounce_end_io()
114 if (bvec->bv_page != orig_vec.bv_page) { in bounce_end_io()
115 dec_zone_page_state(bvec->bv_page, NR_BOUNCE); in bounce_end_io()
116 mempool_free(bvec->bv_page, &page_pool); in bounce_end_io()
Dblk-merge.c463 struct bio_vec *bvec, struct scatterlist *sglist, in blk_bvec_map_sg() argument
466 unsigned nbytes = bvec->bv_len; in blk_bvec_map_sg()
470 unsigned offset = bvec->bv_offset + total; in blk_bvec_map_sg()
472 bvec->bv_page, offset), nbytes); in blk_bvec_map_sg()
473 struct page *page = bvec->bv_page; in blk_bvec_map_sg()
507 __blk_segment_map_sg_merge(struct request_queue *q, struct bio_vec *bvec, in __blk_segment_map_sg_merge() argument
511 int nbytes = bvec->bv_len; in __blk_segment_map_sg_merge()
519 if (!biovec_phys_mergeable(q, bvprv, bvec)) in __blk_segment_map_sg_merge()
531 struct bio_vec bvec, bvprv = { NULL }; in __blk_bios_map_sg() local
537 bio_for_each_bvec(bvec, bio, iter) { in __blk_bios_map_sg()
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/linux-6.6.21/mm/
Dpage_io.c238 struct bio_vec bvec[SWAP_CLUSTER_MAX]; member
260 struct page *page = sio->bvec[0].bv_page; in sio_write_complete()
277 page = sio->bvec[p].bv_page; in sio_write_complete()
283 count_swpout_vm_event(page_folio(sio->bvec[p].bv_page)); in sio_write_complete()
287 end_page_writeback(sio->bvec[p].bv_page); in sio_write_complete()
318 bvec_set_page(&sio->bvec[sio->pages], page, thp_size(page), 0); in swap_writepage_fs()
321 if (sio->pages == ARRAY_SIZE(sio->bvec) || !wbc->swap_plug) { in swap_writepage_fs()
395 iov_iter_bvec(&from, ITER_SOURCE, sio->bvec, sio->pages, sio->len); in swap_write_unplug()
408 struct folio *folio = page_folio(sio->bvec[p].bv_page); in sio_read_complete()
416 struct folio *folio = page_folio(sio->bvec[p].bv_page); in sio_read_complete()
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/linux-6.6.21/drivers/nvme/target/
Dio-cmd-file.c94 iov_iter_bvec(&iter, rw, req->f.bvec, nr_segs, count); in nvmet_file_submit_bvec()
108 if (req->f.bvec != req->inline_bvec) { in nvmet_file_io_done()
110 kfree(req->f.bvec); in nvmet_file_io_done()
112 mempool_free(req->f.bvec, req->ns->bvec_pool); in nvmet_file_io_done()
142 bvec_set_page(&req->f.bvec[bv_cnt], sg_page(sg), sg->length, in nvmet_file_execute_io()
144 len += req->f.bvec[bv_cnt].bv_len; in nvmet_file_execute_io()
145 total_len += req->f.bvec[bv_cnt].bv_len; in nvmet_file_execute_io()
231 req->f.bvec = kmalloc_array(nr_bvec, sizeof(struct bio_vec), in nvmet_file_execute_rw()
234 req->f.bvec = req->inline_bvec; in nvmet_file_execute_rw()
236 if (unlikely(!req->f.bvec)) { in nvmet_file_execute_rw()
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/linux-6.6.21/fs/squashfs/
Dblock.c39 struct bio_vec *bvec = bvec_init_iter_all(&iter_all); in copy_bio_to_actor() local
50 int bytes_to_copy = min_t(int, bvec->bv_len - offset, in copy_bio_to_actor()
56 memcpy(actor_addr + actor_offset, bvec_virt(bvec) + in copy_bio_to_actor()
69 if (offset >= bvec->bv_len) { in copy_bio_to_actor()
286 struct bio_vec *bvec = bvec_init_iter_all(&iter_all); in squashfs_read_data() local
301 data = bvec_virt(bvec); in squashfs_read_data()
303 if (offset < bvec->bv_len - 1) { in squashfs_read_data()
310 data = bvec_virt(bvec); in squashfs_read_data()
Dlzo_wrapper.c70 struct bio_vec *bvec = bvec_init_iter_all(&iter_all); in lzo_uncompress() local
77 int avail = min(bytes, ((int)bvec->bv_len) - offset); in lzo_uncompress()
79 data = bvec_virt(bvec); in lzo_uncompress()
Dzlib_wrapper.c57 struct bio_vec *bvec = bvec_init_iter_all(&iter_all); in zlib_uncompress() local
83 avail = min(length, ((int)bvec->bv_len) - offset); in zlib_uncompress()
84 data = bvec_virt(bvec); in zlib_uncompress()
Dlz4_wrapper.c96 struct bio_vec *bvec = bvec_init_iter_all(&iter_all); in lz4_uncompress() local
102 int avail = min(bytes, ((int)bvec->bv_len) - offset); in lz4_uncompress()
104 data = bvec_virt(bvec); in lz4_uncompress()
Dzstd_wrapper.c72 struct bio_vec *bvec = bvec_init_iter_all(&iter_all); in zstd_uncompress() local
100 avail = min(length, ((int)bvec->bv_len) - offset); in zstd_uncompress()
101 data = bvec_virt(bvec); in zstd_uncompress()
Dxz_wrapper.c124 struct bio_vec *bvec = bvec_init_iter_all(&iter_all); in squashfs_xz_uncompress() local
152 avail = min(length, ((int)bvec->bv_len) - offset); in squashfs_xz_uncompress()
153 data = bvec_virt(bvec); in squashfs_xz_uncompress()
/linux-6.6.21/arch/m68k/emu/
Dnfblock.c63 struct bio_vec bvec; in nfhd_submit_bio() local
70 bio_for_each_segment(bvec, bio, iter) { in nfhd_submit_bio()
71 len = bvec.bv_len; in nfhd_submit_bio()
74 page_to_phys(bvec.bv_page) + bvec.bv_offset); in nfhd_submit_bio()
/linux-6.6.21/drivers/block/
Dn64cart.c89 struct bio_vec bvec; in n64cart_submit_bio() local
94 bio_for_each_segment(bvec, bio, iter) { in n64cart_submit_bio()
95 if (!n64cart_do_bvec(dev, &bvec, pos)) { in n64cart_submit_bio()
99 pos += bvec.bv_len; in n64cart_submit_bio()
Dloop.c87 struct bio_vec *bvec; member
239 static int lo_write_bvec(struct file *file, struct bio_vec *bvec, loff_t *ppos) in lo_write_bvec() argument
244 iov_iter_bvec(&i, ITER_SOURCE, bvec, 1, bvec->bv_len); in lo_write_bvec()
250 if (likely(bw == bvec->bv_len)) in lo_write_bvec()
255 (unsigned long long)*ppos, bvec->bv_len); in lo_write_bvec()
264 struct bio_vec bvec; in lo_write_simple() local
268 rq_for_each_segment(bvec, rq, iter) { in lo_write_simple()
269 ret = lo_write_bvec(lo->lo_backing_file, &bvec, &pos); in lo_write_simple()
281 struct bio_vec bvec; in lo_read_simple() local
286 rq_for_each_segment(bvec, rq, iter) { in lo_read_simple()
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Dbrd.c247 struct bio_vec bvec; in brd_submit_bio() local
250 bio_for_each_segment(bvec, bio, iter) { in brd_submit_bio()
251 unsigned int len = bvec.bv_len; in brd_submit_bio()
255 WARN_ON_ONCE((bvec.bv_offset & (SECTOR_SIZE - 1)) || in brd_submit_bio()
258 err = brd_do_bvec(brd, bvec.bv_page, len, bvec.bv_offset, in brd_submit_bio()
/linux-6.6.21/Documentation/block/
Dbiovecs.rst20 bytes completed in the current bvec.
43 As of 5.12 bvec segments with zero bv_len are not supported.
52 exactly one bvec at a time - for example, bio_copy_data() in block/bio.c,
60 coding bvec iterators before, and having common implementation considerably
65 it somewhere else if there was an error) had to save the entire bvec array
68 * Biovecs can be shared between multiple bios - a bvec iter can represent an
76 bios with more than a single bvec! Now, we can efficiently split arbitrary
88 fine to _most_ devices, but since accessing the raw bvec array was the
90 since all drivers _must_ go through the bvec iterator - and have been
146 * The following helpers iterate over multi-page bvec. The passed 'struct
/linux-6.6.21/io_uring/
Drsrc.c143 unpin_user_page(imu->bvec[i].bv_page); in io_buffer_unmap()
994 if (!PageCompound(imu->bvec[j].bv_page)) in headpage_already_acct()
996 if (compound_head(imu->bvec[j].bv_page) == hpage) in headpage_already_acct()
1125 imu = kvmalloc(struct_size(imu, bvec, nr_pages), GFP_KERNEL); in io_sqe_buffer_register()
1145 bvec_set_page(&imu->bvec[0], pages[0], size, off); in io_sqe_buffer_register()
1152 bvec_set_page(&imu->bvec[i], pages[i], vec_len, off); in io_sqe_buffer_register()
1243 iov_iter_bvec(iter, ddir, imu->bvec, imu->nr_bvecs, offset + len); in io_import_fixed()
1262 const struct bio_vec *bvec = imu->bvec; in io_import_fixed() local
1264 if (offset < bvec->bv_len) { in io_import_fixed()
1270 iter->bvec = bvec; in io_import_fixed()
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/linux-6.6.21/drivers/target/
Dtarget_core_file.c318 struct bio_vec *bvec; in fd_do_rw() local
323 bvec = kcalloc(sgl_nents, sizeof(struct bio_vec), GFP_KERNEL); in fd_do_rw()
324 if (!bvec) { in fd_do_rw()
330 bvec_set_page(&bvec[i], sg_page(sg), sg->length, sg->offset); in fd_do_rw()
334 iov_iter_bvec(&iter, is_write, bvec, sgl_nents, len); in fd_do_rw()
380 kfree(bvec); in fd_do_rw()
437 struct bio_vec *bvec; in fd_execute_write_same() local
460 bvec = kcalloc(nolb, sizeof(struct bio_vec), GFP_KERNEL); in fd_execute_write_same()
461 if (!bvec) in fd_execute_write_same()
465 bvec_set_page(&bvec[i], sg_page(&cmd->t_data_sg[0]), in fd_execute_write_same()
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/linux-6.6.21/net/rds/
Dtcp_send.c76 struct bio_vec bvec; in rds_tcp_xmit() local
120 bvec_set_page(&bvec, sg_page(&rm->data.op_sg[sg]), in rds_tcp_xmit()
123 iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bvec, 1, in rds_tcp_xmit()
/linux-6.6.21/drivers/vhost/
Dvringh.c1110 struct bio_vec *bvec; member
1156 struct bio_vec *bvec = ivec->iov.bvec; in iotlb_translate() local
1158 bvec_set_page(&bvec[ret], pfn_to_page(pfn), io_len, in iotlb_translate()
1183 struct bio_vec bvec[IOTLB_IOV_STRIDE]; in copy_from_iotlb() member
1207 iov_iter_bvec(&iter, ITER_SOURCE, ivec.iov.bvec, ret, in copy_from_iotlb()
1229 struct bio_vec bvec[IOTLB_IOV_STRIDE]; in copy_to_iotlb() member
1253 iov_iter_bvec(&iter, ITER_DEST, ivec.iov.bvec, ret, in copy_to_iotlb()
1275 struct bio_vec bvec[1]; in getu16_iotlb() member
1294 void *kaddr = kmap_local_page(ivec.iov.bvec[0].bv_page); in getu16_iotlb()
1295 void *from = kaddr + ivec.iov.bvec[0].bv_offset; in getu16_iotlb()
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/linux-6.6.21/fs/gfs2/
Dlops.c170 struct bio_vec *bvec, in gfs2_end_log_write_bh() argument
174 struct page *page = bvec->bv_page; in gfs2_end_log_write_bh()
178 size = bvec->bv_len; in gfs2_end_log_write_bh()
179 while (bh_offset(bh) < bvec->bv_offset) in gfs2_end_log_write_bh()
205 struct bio_vec *bvec; in gfs2_end_log_write() local
219 bio_for_each_segment_all(bvec, bio, iter_all) { in gfs2_end_log_write()
220 page = bvec->bv_page; in gfs2_end_log_write()
222 gfs2_end_log_write_bh(sdp, bvec, bio->bi_status); in gfs2_end_log_write()
398 struct bio_vec *bvec; in gfs2_end_log_read() local
401 bio_for_each_segment_all(bvec, bio, iter_all) { in gfs2_end_log_read()
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