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Searched refs:bvec (Results 1 – 25 of 80) sorted by relevance

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/linux-6.3-rc2/include/linux/
A Dbvec.h98 #define __bvec_iter_bvec(bvec, iter) (&(bvec)[(iter).bi_idx]) argument
125 #define bvec_iter_len(bvec, iter) \ argument
129 #define bvec_iter_page(bvec, iter) \ argument
213 bv->bv_page = bvec->bv_page + (bvec->bv_offset >> PAGE_SHIFT); in bvec_advance()
217 bvec->bv_len - iter_all->done); in bvec_advance()
220 if (iter_all->done == bvec->bv_len) { in bvec_advance()
235 return kmap_local_page(bvec->bv_page) + bvec->bv_offset; in bvec_kmap_local()
246 memcpy_from_page(to, bvec->bv_page, bvec->bv_offset, bvec->bv_len); in memcpy_from_bvec()
257 memcpy_to_page(bvec->bv_page, bvec->bv_offset, from, bvec->bv_len); in memcpy_to_bvec()
268 memzero_page(bvec->bv_page, bvec->bv_offset, bvec->bv_len); in memzero_bvec()
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/linux-6.3-rc2/fs/squashfs/
A 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()
163 struct bio_vec *bvec = bvec_init_iter_all(&iter_all); in squashfs_read_data() local
178 data = bvec_virt(bvec); in squashfs_read_data()
180 if (offset < bvec->bv_len - 1) { in squashfs_read_data()
187 data = bvec_virt(bvec); in squashfs_read_data()
A 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()
A 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()
A 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()
A 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()
A 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-6.3-rc2/fs/erofs/
A Dzdata.c32 struct z_erofs_bvec bvec[total]; \
243 struct z_erofs_bvec *bvec, in z_erofs_bvec_enqueue() argument
257 iter->bvset->bvec[iter->cur++] = *bvec; in z_erofs_bvec_enqueue()
269 *bvec = iter->bvset->bvec[iter->cur++]; in z_erofs_bvec_dequeue()
713 NULL, bvec->page)) { in z_erofs_try_inplace_io()
1148 struct z_erofs_bvec bvec; member
1170 item->bvec = *bvec; in z_erofs_do_decompressed_bvec()
1186 cur = bvi->bvec.offset < 0 ? -bvi->bvec.offset : 0; in z_erofs_fill_other_copies()
1188 bvi->bvec.end); in z_erofs_fill_other_copies()
1227 struct z_erofs_bvec bvec; in z_erofs_parse_out_bvecs() local
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/linux-6.3-rc2/drivers/block/zram/
A Dzram_drv.c632 if (!bio_add_page(bio, bvec->bv_page, bvec->bv_len, bvec->bv_offset)) { in read_from_bdev_async()
704 struct bio_vec bvec; in writeback_store() local
763 bio_add_page(&bio, bvec.bv_page, bvec.bv_len, in writeback_store()
764 bvec.bv_offset); in writeback_store()
833 struct bio_vec bvec; member
857 work.bvec = *bvec; in read_from_bdev_sync()
1381 struct bio_vec bvec; in zram_bvec_read_from_bdev() local
1468 page = bvec->bv_page; in zram_bvec_read()
1487 if (is_partial_io(bvec)) in zram_bvec_read()
1627 vec = *bvec; in zram_bvec_write()
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/linux-6.3-rc2/block/
A Dblk-map.c49 struct bio_vec *bvec; in bio_copy_from_iter() local
56 bvec->bv_offset, in bio_copy_from_iter()
57 bvec->bv_len, in bio_copy_from_iter()
63 if (ret < bvec->bv_len) in bio_copy_from_iter()
80 struct bio_vec *bvec; in bio_copy_to_iter() local
87 bvec->bv_offset, in bio_copy_to_iter()
88 bvec->bv_len, in bio_copy_to_iter()
94 if (ret < bvec->bv_len) in bio_copy_to_iter()
445 struct bio_vec *bvec; in bio_copy_kern_endio_read() local
449 memcpy_from_bvec(p, bvec); in bio_copy_kern_endio_read()
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A 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()
A Dblk-merge.c466 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()
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()
547 if (bvec.bv_offset + bvec.bv_len <= PAGE_SIZE) in __blk_bios_map_sg()
548 nsegs += __blk_bvec_map_sg(bvec, sglist, sg); in __blk_bios_map_sg()
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A Dbio.c1005 struct bio_vec *bvec; in bio_add_hw_page() local
1166 struct bio_vec *bvec; in __bio_release_pages() local
1170 set_page_dirty_lock(bvec->bv_page); in __bio_release_pages()
1171 put_page(bvec->bv_page); in __bio_release_pages()
1436 struct bio_vec *bvec; in bio_free_pages() local
1440 __free_page(bvec->bv_page); in bio_free_pages()
1475 struct bio_vec *bvec; in bio_set_pages_dirty() local
1479 if (!PageCompound(bvec->bv_page)) in bio_set_pages_dirty()
1480 set_page_dirty_lock(bvec->bv_page); in bio_set_pages_dirty()
1523 struct bio_vec *bvec; in bio_check_pages_dirty() local
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/linux-6.3-rc2/mm/
A Dpage_io.c241 struct bio_vec bvec[SWAP_CLUSTER_MAX]; member
263 struct page *page = sio->bvec[0].bv_page; in sio_write_complete()
280 page = sio->bvec[p].bv_page; in sio_write_complete()
286 count_swpout_vm_event(sio->bvec[p].bv_page); in sio_write_complete()
290 end_page_writeback(sio->bvec[p].bv_page); in sio_write_complete()
321 bvec_set_page(&sio->bvec[sio->pages], page, thp_size(page), 0); in swap_writepage_fs()
324 if (sio->pages == ARRAY_SIZE(sio->bvec) || !wbc->swap_plug) { in swap_writepage_fs()
409 struct page *page = sio->bvec[p].bv_page; in sio_read_complete()
417 struct page *page = sio->bvec[p].bv_page; in sio_read_complete()
452 bvec_set_page(&sio->bvec[sio->pages], page, thp_size(page), 0); in swap_readpage_fs()
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/linux-6.3-rc2/drivers/nvme/target/
A 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-6.3-rc2/lib/
A Diov_iter.c137 const struct bio_vec *bvec = i->bvec; \
142 i->nr_segs -= bvec - i->bvec; \
143 i->bvec = bvec; \
860 for (bvec = i->bvec, end = bvec + i->nr_segs; bvec < end; bvec++) { in iov_iter_bvec_advance()
866 i->nr_segs -= bvec - i->bvec; in iov_iter_bvec_advance()
867 i->bvec = bvec; in iov_iter_bvec_advance()
949 const struct bio_vec *bvec = i->bvec; in iov_iter_revert() local
954 i->bvec = bvec; in iov_iter_revert()
1015 .bvec = bvec, in iov_iter_bvec()
1689 return new->bvec = kmemdup(new->bvec, in dup_iter()
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/linux-6.3-rc2/arch/m68k/emu/
A 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-6.3-rc2/drivers/block/
A 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()
A Dloop.c87 struct bio_vec *bvec; member
246 iov_iter_bvec(&i, ITER_SOURCE, bvec, 1, bvec->bv_len); in lo_write_bvec()
266 struct bio_vec bvec; in lo_write_simple() local
289 iov_iter_bvec(&i, ITER_DEST, &bvec, 1, bvec.bv_len); in lo_read_simple()
380 kfree(cmd->bvec); in lo_rw_aio_do_completion()
381 cmd->bvec = NULL; in lo_rw_aio_do_completion()
415 if (!bvec) in lo_rw_aio()
417 cmd->bvec = bvec; in lo_rw_aio()
426 *bvec = tmp; in lo_rw_aio()
427 bvec++; in lo_rw_aio()
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A Dbrd.c291 struct bio_vec bvec; in brd_submit_bio() local
294 bio_for_each_segment(bvec, bio, iter) { in brd_submit_bio()
295 unsigned int len = bvec.bv_len; in brd_submit_bio()
299 WARN_ON_ONCE((bvec.bv_offset & (SECTOR_SIZE - 1)) || in brd_submit_bio()
302 err = brd_do_bvec(brd, bvec.bv_page, len, bvec.bv_offset, in brd_submit_bio()
/linux-6.3-rc2/fs/nfs/
A Dfscache.c248 struct bio_vec bvec; in fscache_fallback_read_page() local
252 bvec_set_page(&bvec, page, PAGE_SIZE, 0); in fscache_fallback_read_page()
253 iov_iter_bvec(&iter, ITER_DEST, &bvec, 1, PAGE_SIZE); in fscache_fallback_read_page()
274 struct bio_vec bvec; in fscache_fallback_write_page() local
280 bvec_set_page(&bvec, page, PAGE_SIZE, 0); in fscache_fallback_write_page()
281 iov_iter_bvec(&iter, ITER_SOURCE, &bvec, 1, PAGE_SIZE); in fscache_fallback_write_page()
/linux-6.3-rc2/Documentation/block/
A 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
145 * The following helpers iterate over multi-page bvec. The passed 'struct
/linux-6.3-rc2/drivers/target/
A 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()
334 iov_iter_bvec(&iter, is_write, bvec, sgl_nents, len); in fd_do_rw()
378 kfree(bvec); in fd_do_rw()
435 struct bio_vec *bvec; in fd_execute_write_same() local
458 bvec = kcalloc(nolb, sizeof(struct bio_vec), GFP_KERNEL); in fd_execute_write_same()
459 if (!bvec) in fd_execute_write_same()
463 bvec_set_page(&bvec[i], sg_page(&cmd->t_data_sg[0]), in fd_execute_write_same()
469 iov_iter_bvec(&iter, ITER_SOURCE, bvec, nolb, len); in fd_execute_write_same()
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/linux-6.3-rc2/io_uring/
A Drsrc.c146 unpin_user_page(imu->bvec[i].bv_page); in io_buffer_unmap()
1098 if (!PageCompound(imu->bvec[j].bv_page)) in headpage_already_acct()
1100 if (compound_head(imu->bvec[j].bv_page) == hpage) in headpage_already_acct()
1263 bvec_set_page(&imu->bvec[0], pages[0], size, off); in io_sqe_buffer_register()
1385 const struct bio_vec *bvec = imu->bvec; in io_import_fixed() local
1387 if (offset <= bvec->bv_len) { in io_import_fixed()
1393 iter->bvec = bvec; in io_import_fixed()
1394 iter->nr_segs = bvec->bv_len; in io_import_fixed()
1401 offset -= bvec->bv_len; in io_import_fixed()
1404 iter->bvec = bvec + seg_skip; in io_import_fixed()
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/linux-6.3-rc2/net/sunrpc/
A Dsvcsock.c227 bvec_iter_advance(bvec, &bi, seek & PAGE_MASK); in svc_flush_bvec()
228 for_each_bvec(bv, bvec, bi, bi) in svc_flush_bvec()
248 struct bio_vec *bvec = rqstp->rq_bvec; in svc_tcp_read_msg() local
261 iov_iter_bvec(&msg.msg_iter, ITER_DEST, bvec, i, buflen); in svc_tcp_read_msg()
268 svc_flush_bvec(bvec, len, seek); in svc_tcp_read_msg()
1114 struct bio_vec *bvec; in svc_tcp_sendmsg() local
1116 bvec = xdr->bvec + (xdr->page_base >> PAGE_SHIFT); in svc_tcp_sendmsg()
1120 len = min(remaining, bvec->bv_len - offset); in svc_tcp_sendmsg()
1121 ret = kernel_sendpage(sock, bvec->bv_page, in svc_tcp_sendmsg()
1122 bvec->bv_offset + offset, in svc_tcp_sendmsg()
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