Lines Matching +full:data +full:- +full:mapping
1 // SPDX-License-Identifier: GPL-2.0
3 * fs/f2fs/data.c
13 #include <linux/backing-dev.h>
17 #include <linux/blk-crypto.h>
44 return -ENOMEM; in f2fs_init_bioset()
55 struct address_space *mapping = page->mapping; in __is_cp_guaranteed() local
59 if (!mapping) in __is_cp_guaranteed()
62 inode = mapping->host; in __is_cp_guaranteed()
65 if (inode->i_ino == F2FS_META_INO(sbi) || in __is_cp_guaranteed()
66 inode->i_ino == F2FS_NODE_INO(sbi) || in __is_cp_guaranteed()
67 S_ISDIR(inode->i_mode)) in __is_cp_guaranteed()
72 if ((S_ISREG(inode->i_mode) && in __is_cp_guaranteed()
81 struct address_space *mapping = page_file_mapping(page); in __read_io_type() local
83 if (mapping) { in __read_io_type()
84 struct inode *inode = mapping->host; in __read_io_type()
87 if (inode->i_ino == F2FS_META_INO(sbi)) in __read_io_type()
90 if (inode->i_ino == F2FS_NODE_INO(sbi)) in __read_io_type()
101 STEP_DECRYPT = 0, /* compile out the decryption-related code */
106 STEP_DECOMPRESS = 0, /* compile out the decompression-related code */
111 STEP_VERITY = 0, /* compile out the verity-related code */
132 struct page *page = bv->bv_page; in f2fs_finish_read_bio()
135 if (bio->bi_status) in f2fs_finish_read_bio()
143 if (bio->bi_status || PageError(page)) { in f2fs_finish_read_bio()
145 /* will re-read again later */ in f2fs_finish_read_bio()
154 if (bio->bi_private) in f2fs_finish_read_bio()
155 mempool_free(bio->bi_private, bio_post_read_ctx_pool); in f2fs_finish_read_bio()
163 struct bio *bio = ctx->bio; in f2fs_verify_bio()
164 bool may_have_compressed_pages = (ctx->enabled_steps & STEP_DECOMPRESS); in f2fs_verify_bio()
171 * mempool first. This assumes that verity is the last post-read step. in f2fs_verify_bio()
174 bio->bi_private = NULL; in f2fs_verify_bio()
177 * Verify the bio's pages with fs-verity. Exclude compressed pages, in f2fs_verify_bio()
185 struct page *page = bv->bv_page; in f2fs_verify_bio()
199 * If the bio's data needs to be verified with fs-verity, then enqueue the
203 * decryption/decompression workqueue. This is because verifying the data pages
209 struct bio_post_read_ctx *ctx = bio->bi_private; in f2fs_verify_and_finish_bio()
211 if (ctx && (ctx->enabled_steps & STEP_VERITY)) { in f2fs_verify_and_finish_bio()
212 INIT_WORK(&ctx->work, f2fs_verify_bio); in f2fs_verify_and_finish_bio()
213 fsverity_enqueue_verify_work(&ctx->work); in f2fs_verify_and_finish_bio()
221 * remaining page was read by @ctx->bio.
226 * is done on a per-cluster basis, not a per-bio basis.
234 block_t blkaddr = SECTOR_TO_BLOCK(ctx->bio->bi_iter.bi_sector); in f2fs_handle_step_decompress()
236 bio_for_each_segment_all(bv, ctx->bio, iter_all) { in f2fs_handle_step_decompress()
237 struct page *page = bv->bv_page; in f2fs_handle_step_decompress()
251 * the per-bio verity work is unnecessary, as verity will be fully in f2fs_handle_step_decompress()
255 ctx->enabled_steps &= ~STEP_VERITY; in f2fs_handle_step_decompress()
263 if (ctx->enabled_steps & STEP_DECRYPT) in f2fs_post_read_work()
264 fscrypt_decrypt_bio(ctx->bio); in f2fs_post_read_work()
266 if (ctx->enabled_steps & STEP_DECOMPRESS) in f2fs_post_read_work()
269 f2fs_verify_and_finish_bio(ctx->bio, true); in f2fs_post_read_work()
275 struct bio_post_read_ctx *ctx = bio->bi_private; in f2fs_read_end_io()
280 bio->bi_status = BLK_STS_IOERR; in f2fs_read_end_io()
283 if (bio->bi_status) { in f2fs_read_end_io()
289 unsigned int enabled_steps = ctx->enabled_steps & in f2fs_read_end_io()
300 INIT_WORK(&ctx->work, f2fs_post_read_work); in f2fs_read_end_io()
301 queue_work(ctx->sbi->post_read_wq, &ctx->work); in f2fs_read_end_io()
311 struct f2fs_sb_info *sbi = bio->bi_private; in f2fs_write_end_io()
317 bio->bi_status = BLK_STS_IOERR; in f2fs_write_end_io()
321 struct page *page = bvec->bv_page; in f2fs_write_end_io()
327 mempool_free(page, sbi->write_io_dummy); in f2fs_write_end_io()
329 if (unlikely(bio->bi_status)) in f2fs_write_end_io()
344 if (unlikely(bio->bi_status)) { in f2fs_write_end_io()
345 mapping_set_error(page->mapping, -EIO); in f2fs_write_end_io()
351 f2fs_bug_on(sbi, page->mapping == NODE_MAPPING(sbi) && in f2fs_write_end_io()
352 page->index != nid_of_node(page)); in f2fs_write_end_io()
361 wq_has_sleeper(&sbi->cp_wait)) in f2fs_write_end_io()
362 wake_up(&sbi->cp_wait); in f2fs_write_end_io()
370 struct block_device *bdev = sbi->sb->s_bdev; in f2fs_target_device()
374 for (i = 0; i < sbi->s_ndevs; i++) { in f2fs_target_device()
377 blk_addr -= FDEV(i).start_blk; in f2fs_target_device()
385 bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(blk_addr); in f2fs_target_device()
397 for (i = 0; i < sbi->s_ndevs; i++) in f2fs_target_device_index()
410 return bio->bi_disk == b->bd_disk && bio->bi_partno == b->bd_partno; in __same_bdev()
415 struct f2fs_sb_info *sbi = fio->sbi; in __bio_alloc()
420 f2fs_target_device(sbi, fio->new_blkaddr, bio); in __bio_alloc()
421 if (is_read_io(fio->op)) { in __bio_alloc()
422 bio->bi_end_io = f2fs_read_end_io; in __bio_alloc()
423 bio->bi_private = NULL; in __bio_alloc()
425 bio->bi_end_io = f2fs_write_end_io; in __bio_alloc()
426 bio->bi_private = sbi; in __bio_alloc()
427 bio->bi_write_hint = f2fs_io_type_to_rw_hint(sbi, in __bio_alloc()
428 fio->type, fio->temp); in __bio_alloc()
430 if (fio->io_wbc) in __bio_alloc()
431 wbc_init_bio(fio->io_wbc, bio); in __bio_alloc()
442 * The f2fs garbage collector sets ->encrypted_page when it wants to in f2fs_set_bio_crypt_ctx()
443 * read/write raw data without encryption. in f2fs_set_bio_crypt_ctx()
445 if (!fio || !fio->encrypted_page) in f2fs_set_bio_crypt_ctx()
456 * The f2fs garbage collector sets ->encrypted_page when it wants to in f2fs_crypt_mergeable_bio()
457 * read/write raw data without encryption. in f2fs_crypt_mergeable_bio()
459 if (fio && fio->encrypted_page) in f2fs_crypt_mergeable_bio()
473 if (type != DATA && type != NODE) in __submit_bio()
476 if (f2fs_lfs_mode(sbi) && current->plug) in __submit_bio()
477 blk_finish_plug(current->plug); in __submit_bio()
482 start = bio->bi_iter.bi_size >> F2FS_BLKSIZE_BITS; in __submit_bio()
491 mempool_alloc(sbi->write_io_dummy, in __submit_bio()
512 trace_f2fs_submit_read_bio(sbi->sb, type, bio); in __submit_bio()
514 trace_f2fs_submit_write_bio(sbi->sb, type, bio); in __submit_bio()
526 struct f2fs_sb_info *sbi = fio->sbi; in __attach_io_flag()
527 unsigned int temp_mask = (1 << NR_TEMP_TYPE) - 1; in __attach_io_flag()
530 if (fio->type == DATA) in __attach_io_flag()
531 io_flag = sbi->data_io_flag; in __attach_io_flag()
532 else if (fio->type == NODE) in __attach_io_flag()
533 io_flag = sbi->node_io_flag; in __attach_io_flag()
541 * data/node io flag bits per temp: in __attach_io_flag()
546 if ((1 << fio->temp) & meta_flag) in __attach_io_flag()
547 fio->op_flags |= REQ_META; in __attach_io_flag()
548 if ((1 << fio->temp) & fua_flag) in __attach_io_flag()
549 fio->op_flags |= REQ_FUA; in __attach_io_flag()
554 struct f2fs_io_info *fio = &io->fio; in __submit_merged_bio()
556 if (!io->bio) in __submit_merged_bio()
560 bio_set_op_attrs(io->bio, fio->op, fio->op_flags); in __submit_merged_bio()
562 if (is_read_io(fio->op)) in __submit_merged_bio()
563 trace_f2fs_prepare_read_bio(io->sbi->sb, fio->type, io->bio); in __submit_merged_bio()
565 trace_f2fs_prepare_write_bio(io->sbi->sb, fio->type, io->bio); in __submit_merged_bio()
567 __submit_bio(io->sbi, io->bio, fio->type); in __submit_merged_bio()
568 io->bio = NULL; in __submit_merged_bio()
584 struct page *target = bvec->bv_page; in __has_merged_page()
597 if (inode && inode == target->mapping->host) in __has_merged_page()
612 struct f2fs_bio_info *io = sbi->write_io[btype] + temp; in __f2fs_submit_merged_write()
614 f2fs_down_write(&io->io_rwsem); in __f2fs_submit_merged_write()
618 io->fio.type = META_FLUSH; in __f2fs_submit_merged_write()
619 io->fio.op = REQ_OP_WRITE; in __f2fs_submit_merged_write()
620 io->fio.op_flags = REQ_META | REQ_PRIO | REQ_SYNC; in __f2fs_submit_merged_write()
622 io->fio.op_flags |= REQ_PREFLUSH | REQ_FUA; in __f2fs_submit_merged_write()
625 f2fs_up_write(&io->io_rwsem); in __f2fs_submit_merged_write()
638 struct f2fs_bio_info *io = sbi->write_io[btype] + temp; in __submit_merged_write_cond()
640 f2fs_down_read(&io->io_rwsem); in __submit_merged_write_cond()
641 ret = __has_merged_page(io->bio, inode, page, ino); in __submit_merged_write_cond()
642 f2fs_up_read(&io->io_rwsem); in __submit_merged_write_cond()
667 f2fs_submit_merged_write(sbi, DATA); in f2fs_flush_merged_writes()
673 * Fill the locked page with data located in the block address.
679 struct page *page = fio->encrypted_page ? in f2fs_submit_page_bio()
680 fio->encrypted_page : fio->page; in f2fs_submit_page_bio()
682 if (!f2fs_is_valid_blkaddr(fio->sbi, fio->new_blkaddr, in f2fs_submit_page_bio()
683 fio->is_por ? META_POR : (__is_meta_io(fio) ? in f2fs_submit_page_bio()
685 return -EFSCORRUPTED; in f2fs_submit_page_bio()
692 f2fs_set_bio_crypt_ctx(bio, fio->page->mapping->host, in f2fs_submit_page_bio()
693 fio->page->index, fio, GFP_NOIO); in f2fs_submit_page_bio()
697 return -EFAULT; in f2fs_submit_page_bio()
700 if (fio->io_wbc && !is_read_io(fio->op)) in f2fs_submit_page_bio()
701 wbc_account_cgroup_owner(fio->io_wbc, page, PAGE_SIZE); in f2fs_submit_page_bio()
704 bio_set_op_attrs(bio, fio->op, fio->op_flags); in f2fs_submit_page_bio()
706 inc_page_count(fio->sbi, is_read_io(fio->op) ? in f2fs_submit_page_bio()
707 __read_io_type(page): WB_DATA_TYPE(fio->page)); in f2fs_submit_page_bio()
709 __submit_bio(fio->sbi, bio, fio->type); in f2fs_submit_page_bio()
716 if (unlikely(sbi->max_io_bytes && in page_is_mergeable()
717 bio->bi_iter.bi_size >= sbi->max_io_bytes)) in page_is_mergeable()
727 if (io->fio.op != fio->op) in io_type_is_mergeable()
729 return io->fio.op_flags == fio->op_flags; in io_type_is_mergeable()
738 if (F2FS_IO_ALIGNED(sbi) && (fio->type == DATA || fio->type == NODE)) { in io_is_mergeable()
740 F2FS_BYTES_TO_BLK(bio->bi_iter.bi_size); in io_is_mergeable()
742 unsigned int left_vecs = bio->bi_max_vecs - bio->bi_vcnt; in io_is_mergeable()
756 struct f2fs_bio_info *io = sbi->write_io[DATA] + temp; in add_bio_entry()
760 be->bio = bio; in add_bio_entry()
766 f2fs_down_write(&io->bio_list_lock); in add_bio_entry()
767 list_add_tail(&be->list, &io->bio_list); in add_bio_entry()
768 f2fs_up_write(&io->bio_list_lock); in add_bio_entry()
773 list_del(&be->list); in del_bio_entry()
780 struct f2fs_sb_info *sbi = fio->sbi; in add_ipu_page()
783 int ret = -EAGAIN; in add_ipu_page()
786 struct f2fs_bio_info *io = sbi->write_io[DATA] + temp; in add_ipu_page()
787 struct list_head *head = &io->bio_list; in add_ipu_page()
790 f2fs_down_write(&io->bio_list_lock); in add_ipu_page()
792 if (be->bio != *bio) in add_ipu_page()
798 *fio->last_block, in add_ipu_page()
799 fio->new_blkaddr)); in add_ipu_page()
801 fio->page->mapping->host, in add_ipu_page()
802 fio->page->index, fio) && in add_ipu_page()
811 __submit_bio(sbi, *bio, DATA); in add_ipu_page()
814 f2fs_up_write(&io->bio_list_lock); in add_ipu_page()
833 struct f2fs_bio_info *io = sbi->write_io[DATA] + temp; in f2fs_submit_merged_ipu_write()
834 struct list_head *head = &io->bio_list; in f2fs_submit_merged_ipu_write()
840 f2fs_down_read(&io->bio_list_lock); in f2fs_submit_merged_ipu_write()
843 found = (target == be->bio); in f2fs_submit_merged_ipu_write()
845 found = __has_merged_page(be->bio, NULL, in f2fs_submit_merged_ipu_write()
850 f2fs_up_read(&io->bio_list_lock); in f2fs_submit_merged_ipu_write()
857 f2fs_down_write(&io->bio_list_lock); in f2fs_submit_merged_ipu_write()
860 found = (target == be->bio); in f2fs_submit_merged_ipu_write()
862 found = __has_merged_page(be->bio, NULL, in f2fs_submit_merged_ipu_write()
865 target = be->bio; in f2fs_submit_merged_ipu_write()
870 f2fs_up_write(&io->bio_list_lock); in f2fs_submit_merged_ipu_write()
874 __submit_bio(sbi, target, DATA); in f2fs_submit_merged_ipu_write()
883 struct bio *bio = *fio->bio; in f2fs_merge_page_bio()
884 struct page *page = fio->encrypted_page ? in f2fs_merge_page_bio()
885 fio->encrypted_page : fio->page; in f2fs_merge_page_bio()
887 if (!f2fs_is_valid_blkaddr(fio->sbi, fio->new_blkaddr, in f2fs_merge_page_bio()
889 return -EFSCORRUPTED; in f2fs_merge_page_bio()
893 if (bio && !page_is_mergeable(fio->sbi, bio, *fio->last_block, in f2fs_merge_page_bio()
894 fio->new_blkaddr)) in f2fs_merge_page_bio()
895 f2fs_submit_merged_ipu_write(fio->sbi, &bio, NULL); in f2fs_merge_page_bio()
900 f2fs_set_bio_crypt_ctx(bio, fio->page->mapping->host, in f2fs_merge_page_bio()
901 fio->page->index, fio, GFP_NOIO); in f2fs_merge_page_bio()
902 bio_set_op_attrs(bio, fio->op, fio->op_flags); in f2fs_merge_page_bio()
904 add_bio_entry(fio->sbi, bio, page, fio->temp); in f2fs_merge_page_bio()
910 if (fio->io_wbc) in f2fs_merge_page_bio()
911 wbc_account_cgroup_owner(fio->io_wbc, page, PAGE_SIZE); in f2fs_merge_page_bio()
913 inc_page_count(fio->sbi, WB_DATA_TYPE(page)); in f2fs_merge_page_bio()
915 *fio->last_block = fio->new_blkaddr; in f2fs_merge_page_bio()
916 *fio->bio = bio; in f2fs_merge_page_bio()
923 struct f2fs_sb_info *sbi = fio->sbi; in f2fs_submit_page_write()
924 enum page_type btype = PAGE_TYPE_OF_BIO(fio->type); in f2fs_submit_page_write()
925 struct f2fs_bio_info *io = sbi->write_io[btype] + fio->temp; in f2fs_submit_page_write()
928 f2fs_bug_on(sbi, is_read_io(fio->op)); in f2fs_submit_page_write()
930 f2fs_down_write(&io->io_rwsem); in f2fs_submit_page_write()
932 if (fio->in_list) { in f2fs_submit_page_write()
933 spin_lock(&io->io_lock); in f2fs_submit_page_write()
934 if (list_empty(&io->io_list)) { in f2fs_submit_page_write()
935 spin_unlock(&io->io_lock); in f2fs_submit_page_write()
938 fio = list_first_entry(&io->io_list, in f2fs_submit_page_write()
940 list_del(&fio->list); in f2fs_submit_page_write()
941 spin_unlock(&io->io_lock); in f2fs_submit_page_write()
946 if (fio->encrypted_page) in f2fs_submit_page_write()
947 bio_page = fio->encrypted_page; in f2fs_submit_page_write()
948 else if (fio->compressed_page) in f2fs_submit_page_write()
949 bio_page = fio->compressed_page; in f2fs_submit_page_write()
951 bio_page = fio->page; in f2fs_submit_page_write()
954 fio->submitted = true; in f2fs_submit_page_write()
958 if (io->bio && in f2fs_submit_page_write()
959 (!io_is_mergeable(sbi, io->bio, io, fio, io->last_block_in_bio, in f2fs_submit_page_write()
960 fio->new_blkaddr) || in f2fs_submit_page_write()
961 !f2fs_crypt_mergeable_bio(io->bio, fio->page->mapping->host, in f2fs_submit_page_write()
962 bio_page->index, fio))) in f2fs_submit_page_write()
965 if (io->bio == NULL) { in f2fs_submit_page_write()
967 (fio->type == DATA || fio->type == NODE) && in f2fs_submit_page_write()
968 fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) { in f2fs_submit_page_write()
970 fio->retry = true; in f2fs_submit_page_write()
973 io->bio = __bio_alloc(fio, BIO_MAX_PAGES); in f2fs_submit_page_write()
974 f2fs_set_bio_crypt_ctx(io->bio, fio->page->mapping->host, in f2fs_submit_page_write()
975 bio_page->index, fio, GFP_NOIO); in f2fs_submit_page_write()
976 io->fio = *fio; in f2fs_submit_page_write()
979 if (bio_add_page(io->bio, bio_page, PAGE_SIZE, 0) < PAGE_SIZE) { in f2fs_submit_page_write()
984 if (fio->io_wbc) in f2fs_submit_page_write()
985 wbc_account_cgroup_owner(fio->io_wbc, bio_page, PAGE_SIZE); in f2fs_submit_page_write()
987 io->last_block_in_bio = fio->new_blkaddr; in f2fs_submit_page_write()
989 trace_f2fs_submit_page_write(fio->page, fio); in f2fs_submit_page_write()
991 if (fio->in_list) in f2fs_submit_page_write()
997 f2fs_up_write(&io->io_rwsem); in f2fs_submit_page_write()
1013 return ERR_PTR(-ENOMEM); in f2fs_grab_read_bio()
1018 bio->bi_end_io = f2fs_read_end_io; in f2fs_grab_read_bio()
1037 ctx->bio = bio; in f2fs_grab_read_bio()
1038 ctx->sbi = sbi; in f2fs_grab_read_bio()
1039 ctx->enabled_steps = post_read_steps; in f2fs_grab_read_bio()
1040 bio->bi_private = ctx; in f2fs_grab_read_bio()
1054 page->index, for_write); in f2fs_submit_page_read()
1063 return -EFAULT; in f2fs_submit_page_read()
1068 __submit_bio(sbi, bio, DATA); in f2fs_submit_page_read()
1074 struct f2fs_node *rn = F2FS_NODE(dn->node_page); in __set_data_blkaddr()
1078 if (IS_INODE(dn->node_page) && f2fs_has_extra_attr(dn->inode)) in __set_data_blkaddr()
1079 base = get_extra_isize(dn->inode); in __set_data_blkaddr()
1081 /* Get physical address of data block */ in __set_data_blkaddr()
1083 addr_array[base + dn->ofs_in_node] = cpu_to_le32(dn->data_blkaddr); in __set_data_blkaddr()
1087 * Lock ordering for the change of data block address:
1088 * ->data_page
1089 * ->node_page
1094 f2fs_wait_on_page_writeback(dn->node_page, NODE, true, true); in f2fs_set_data_blkaddr()
1096 if (set_page_dirty(dn->node_page)) in f2fs_set_data_blkaddr()
1097 dn->node_changed = true; in f2fs_set_data_blkaddr()
1102 dn->data_blkaddr = blkaddr; in f2fs_update_data_blkaddr()
1107 /* dn->ofs_in_node will be returned with up-to-date last block pointer */
1110 struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); in f2fs_reserve_new_blocks()
1116 if (unlikely(is_inode_flag_set(dn->inode, FI_NO_ALLOC))) in f2fs_reserve_new_blocks()
1117 return -EPERM; in f2fs_reserve_new_blocks()
1118 if (unlikely((err = inc_valid_block_count(sbi, dn->inode, &count)))) in f2fs_reserve_new_blocks()
1121 trace_f2fs_reserve_new_blocks(dn->inode, dn->nid, in f2fs_reserve_new_blocks()
1122 dn->ofs_in_node, count); in f2fs_reserve_new_blocks()
1124 f2fs_wait_on_page_writeback(dn->node_page, NODE, true, true); in f2fs_reserve_new_blocks()
1126 for (; count > 0; dn->ofs_in_node++) { in f2fs_reserve_new_blocks()
1130 dn->data_blkaddr = NEW_ADDR; in f2fs_reserve_new_blocks()
1132 count--; in f2fs_reserve_new_blocks()
1136 if (set_page_dirty(dn->node_page)) in f2fs_reserve_new_blocks()
1137 dn->node_changed = true; in f2fs_reserve_new_blocks()
1141 /* Should keep dn->ofs_in_node unchanged */
1144 unsigned int ofs_in_node = dn->ofs_in_node; in f2fs_reserve_new_block()
1148 dn->ofs_in_node = ofs_in_node; in f2fs_reserve_new_block()
1154 bool need_put = dn->inode_page ? false : true; in f2fs_reserve_block()
1161 if (dn->data_blkaddr == NULL_ADDR) in f2fs_reserve_block()
1171 struct inode *inode = dn->inode; in f2fs_get_block()
1174 dn->data_blkaddr = ei.blk + index - ei.fofs; in f2fs_get_block()
1184 struct address_space *mapping = inode->i_mapping; in f2fs_get_read_data_page() local
1190 page = f2fs_grab_cache_page(mapping, index, for_write); in f2fs_get_read_data_page()
1192 return ERR_PTR(-ENOMEM); in f2fs_get_read_data_page()
1195 dn.data_blkaddr = ei.blk + index - ei.fofs; in f2fs_get_read_data_page()
1198 err = -EFSCORRUPTED; in f2fs_get_read_data_page()
1211 err = -ENOENT; in f2fs_get_read_data_page()
1218 err = -EFSCORRUPTED; in f2fs_get_read_data_page()
1229 * new inode page couldn't be allocated due to -ENOSPC. in f2fs_get_read_data_page()
1231 * see, f2fs_add_link -> f2fs_get_new_data_page -> in f2fs_get_read_data_page()
1255 struct address_space *mapping = inode->i_mapping; in f2fs_find_data_page() local
1258 page = find_get_page(mapping, index); in f2fs_find_data_page()
1273 return ERR_PTR(-EIO); in f2fs_find_data_page()
1286 struct address_space *mapping = inode->i_mapping; in f2fs_get_lock_data_page() local
1295 if (unlikely(page->mapping != mapping)) { in f2fs_get_lock_data_page()
1301 return ERR_PTR(-EIO); in f2fs_get_lock_data_page()
1307 * Caller ensures that this data page is never allocated.
1308 * A new zero-filled data page is allocated in the page cache.
1318 struct address_space *mapping = inode->i_mapping; in f2fs_get_new_data_page() local
1323 page = f2fs_grab_cache_page(mapping, index, true); in f2fs_get_new_data_page()
1330 return ERR_PTR(-ENOMEM); in f2fs_get_new_data_page()
1367 struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); in __allocate_data_block()
1374 if (unlikely(is_inode_flag_set(dn->inode, FI_NO_ALLOC))) in __allocate_data_block()
1375 return -EPERM; in __allocate_data_block()
1377 err = f2fs_get_node_info(sbi, dn->nid, &ni, false); in __allocate_data_block()
1381 dn->data_blkaddr = f2fs_data_blkaddr(dn); in __allocate_data_block()
1382 if (dn->data_blkaddr != NULL_ADDR) in __allocate_data_block()
1385 if (unlikely((err = inc_valid_block_count(sbi, dn->inode, &count)))) in __allocate_data_block()
1389 set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version); in __allocate_data_block()
1390 old_blkaddr = dn->data_blkaddr; in __allocate_data_block()
1391 f2fs_allocate_data_block(sbi, NULL, old_blkaddr, &dn->data_blkaddr, in __allocate_data_block()
1398 f2fs_update_data_blkaddr(dn, dn->data_blkaddr); in __allocate_data_block()
1402 * data from unwritten block via dio_read. in __allocate_data_block()
1409 struct inode *inode = file_inode(iocb->ki_filp); in f2fs_preallocate_blocks()
1413 bool direct_io = iocb->ki_flags & IOCB_DIRECT; in f2fs_preallocate_blocks()
1415 map.m_lblk = F2FS_BLK_ALIGN(iocb->ki_pos); in f2fs_preallocate_blocks()
1416 map.m_len = F2FS_BYTES_TO_BLK(iocb->ki_pos + iov_iter_count(from)); in f2fs_preallocate_blocks()
1418 map.m_len -= map.m_lblk; in f2fs_preallocate_blocks()
1428 map.m_seg_type = f2fs_rw_hint_to_seg_type(iocb->ki_hint); in f2fs_preallocate_blocks()
1434 if (iocb->ki_pos + iov_iter_count(from) > MAX_INLINE_DATA(inode)) { in f2fs_preallocate_blocks()
1446 if (map.m_len > 0 && err == -ENOSPC) { in f2fs_preallocate_blocks()
1458 f2fs_down_read(&sbi->node_change); in f2fs_do_map_lock()
1460 f2fs_up_read(&sbi->node_change); in f2fs_do_map_lock()
1470 * f2fs_map_blocks() tries to find or build mapping relationship which
1477 unsigned int maxblocks = map->m_len; in f2fs_map_blocks()
1480 int mode = map->m_may_create ? ALLOC_NODE : LOOKUP_NODE; in f2fs_map_blocks()
1492 map->m_len = 0; in f2fs_map_blocks()
1493 map->m_flags = 0; in f2fs_map_blocks()
1496 pgofs = (pgoff_t)map->m_lblk; in f2fs_map_blocks()
1501 map->m_may_create) in f2fs_map_blocks()
1504 map->m_pblk = ei.blk + pgofs - ei.fofs; in f2fs_map_blocks()
1505 map->m_len = min((pgoff_t)maxblocks, ei.fofs + ei.len - pgofs); in f2fs_map_blocks()
1506 map->m_flags = F2FS_MAP_MAPPED; in f2fs_map_blocks()
1507 if (map->m_next_extent) in f2fs_map_blocks()
1508 *map->m_next_extent = pgofs + map->m_len; in f2fs_map_blocks()
1513 map->m_pblk, map->m_len); in f2fs_map_blocks()
1518 if (map->m_may_create) in f2fs_map_blocks()
1526 map->m_pblk = 0; in f2fs_map_blocks()
1528 if (err == -ENOENT) { in f2fs_map_blocks()
1531 * may return -ENOENT due to filesystem has been in f2fs_map_blocks()
1535 if (map->m_may_create && in f2fs_map_blocks()
1538 err = -EIO; in f2fs_map_blocks()
1543 if (map->m_next_pgofs) in f2fs_map_blocks()
1544 *map->m_next_pgofs = in f2fs_map_blocks()
1546 if (map->m_next_extent) in f2fs_map_blocks()
1547 *map->m_next_extent = in f2fs_map_blocks()
1563 err = -EFSCORRUPTED; in f2fs_map_blocks()
1568 /* use out-place-update for driect IO under LFS mode */ in f2fs_map_blocks()
1570 map->m_may_create) { in f2fs_map_blocks()
1571 err = __allocate_data_block(&dn, map->m_seg_type); in f2fs_map_blocks()
1580 err = -EIO; in f2fs_map_blocks()
1592 map->m_seg_type); in f2fs_map_blocks()
1598 map->m_flags |= F2FS_MAP_NEW; in f2fs_map_blocks()
1602 map->m_pblk = 0; in f2fs_map_blocks()
1609 if (map->m_next_pgofs) in f2fs_map_blocks()
1610 *map->m_next_pgofs = pgofs + 1; in f2fs_map_blocks()
1615 if (map->m_next_pgofs) in f2fs_map_blocks()
1616 *map->m_next_pgofs = pgofs + 1; in f2fs_map_blocks()
1625 if (map->m_len == 0) { in f2fs_map_blocks()
1628 map->m_flags |= F2FS_MAP_UNWRITTEN; in f2fs_map_blocks()
1629 map->m_flags |= F2FS_MAP_MAPPED; in f2fs_map_blocks()
1631 map->m_pblk = blkaddr; in f2fs_map_blocks()
1632 map->m_len = 1; in f2fs_map_blocks()
1633 } else if ((map->m_pblk != NEW_ADDR && in f2fs_map_blocks()
1634 blkaddr == (map->m_pblk + ofs)) || in f2fs_map_blocks()
1635 (map->m_pblk == NEW_ADDR && blkaddr == NEW_ADDR) || in f2fs_map_blocks()
1638 map->m_len++; in f2fs_map_blocks()
1656 map->m_len += dn.ofs_in_node - ofs_in_node; in f2fs_map_blocks()
1658 err = -ENOSPC; in f2fs_map_blocks()
1670 if (map->m_flags & F2FS_MAP_MAPPED) { in f2fs_map_blocks()
1671 unsigned int ofs = start_pgofs - map->m_lblk; in f2fs_map_blocks()
1674 start_pgofs, map->m_pblk + ofs, in f2fs_map_blocks()
1675 map->m_len - ofs); in f2fs_map_blocks()
1681 if (map->m_may_create) { in f2fs_map_blocks()
1690 if (flag == F2FS_GET_BLOCK_DIO && map->m_flags & F2FS_MAP_MAPPED) in f2fs_map_blocks()
1692 map->m_pblk, map->m_len); in f2fs_map_blocks()
1695 if (map->m_flags & F2FS_MAP_MAPPED) { in f2fs_map_blocks()
1696 unsigned int ofs = start_pgofs - map->m_lblk; in f2fs_map_blocks()
1699 start_pgofs, map->m_pblk + ofs, in f2fs_map_blocks()
1700 map->m_len - ofs); in f2fs_map_blocks()
1702 if (map->m_next_extent) in f2fs_map_blocks()
1703 *map->m_next_extent = pgofs + 1; in f2fs_map_blocks()
1707 if (map->m_may_create) { in f2fs_map_blocks()
1733 map.m_len = last_lblk - map.m_lblk; in f2fs_overwrite_io()
1744 return (bytes >> inode->i_blkbits); in bytes_to_blks()
1749 return (blks << inode->i_blkbits); in blks_to_bytes()
1760 map.m_len = bytes_to_blks(inode, bh->b_size); in __get_data_block()
1768 map_bh(bh, inode->i_sb, map.m_pblk); in __get_data_block()
1769 bh->b_state = (bh->b_state & ~F2FS_MAP_FLAGS) | map.m_flags; in __get_data_block()
1770 bh->b_size = blks_to_bytes(inode, map.m_len); in __get_data_block()
1780 f2fs_rw_hint_to_seg_type(inode->i_write_hint), in get_data_block_dio_write()
1789 f2fs_rw_hint_to_seg_type(inode->i_write_hint), in get_data_block_dio()
1801 nid_t xnid = F2FS_I(inode)->i_xattr_nid; in f2fs_xattr_fiemap()
1808 inode->i_ino, false); in f2fs_xattr_fiemap()
1810 return -ENOMEM; in f2fs_xattr_fiemap()
1812 err = f2fs_get_node_info(sbi, inode->i_ino, &ni, false); in f2fs_xattr_fiemap()
1820 sizeof(__le32) * (DEF_ADDRS_PER_INODE - in f2fs_xattr_fiemap()
1842 return -ENOMEM; in f2fs_xattr_fiemap()
1851 len = inode->i_sb->s_blocksize; in f2fs_xattr_fiemap()
1895 unsigned int cluster_size = F2FS_I(inode)->i_cluster_size; in f2fs_fiemap()
1899 if (fieinfo->fi_flags & FIEMAP_FLAG_CACHE) { in f2fs_fiemap()
1913 ret = -EFBIG; in f2fs_fiemap()
1917 if (len > maxbytes || (maxbytes - len) < start) in f2fs_fiemap()
1918 len = maxbytes - start; in f2fs_fiemap()
1920 if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR) { in f2fs_fiemap()
1927 if (ret != -EAGAIN) in f2fs_fiemap()
1935 last_blk = bytes_to_blks(inode, start + len - 1); in f2fs_fiemap()
1946 map.m_len = cluster_size - count_in_cluster; in f2fs_fiemap()
1993 unsigned int appended_blks = cluster_size - in f2fs_fiemap()
2022 ret = -EINTR; in f2fs_fiemap()
2037 return inode->i_sb->s_maxbytes; in f2fs_readpage_limit()
2060 f2fs_readpage_limit(inode) + blocksize - 1); in f2fs_read_single_page()
2070 if ((map->m_flags & F2FS_MAP_MAPPED) && in f2fs_read_single_page()
2071 block_in_file > map->m_lblk && in f2fs_read_single_page()
2072 block_in_file < (map->m_lblk + map->m_len)) in f2fs_read_single_page()
2079 map->m_lblk = block_in_file; in f2fs_read_single_page()
2080 map->m_len = last_block - block_in_file; in f2fs_read_single_page()
2086 if ((map->m_flags & F2FS_MAP_MAPPED)) { in f2fs_read_single_page()
2087 block_nr = map->m_pblk + block_in_file - map->m_lblk; in f2fs_read_single_page()
2098 ret = -EFSCORRUPTED; in f2fs_read_single_page()
2104 if (f2fs_need_verity(inode, page->index) && in f2fs_read_single_page()
2106 ret = -EIO; in f2fs_read_single_page()
2121 !f2fs_crypt_mergeable_bio(bio, inode, page->index, NULL))) { in f2fs_read_single_page()
2123 __submit_bio(F2FS_I_SB(inode), bio, DATA); in f2fs_read_single_page()
2128 is_readahead ? REQ_RAHEAD : 0, page->index, in f2fs_read_single_page()
2139 * its completion to see the correct decrypted data. in f2fs_read_single_page()
2153 __submit_bio(F2FS_I_SB(inode), bio, DATA); in f2fs_read_single_page()
2168 struct inode *inode = cc->inode; in f2fs_read_multi_pages()
2171 unsigned int start_idx = cc->cluster_idx << cc->log_cluster_size; in f2fs_read_multi_pages()
2183 f2fs_readpage_limit(inode) + blocksize - 1); in f2fs_read_multi_pages()
2186 for (i = 0; i < cc->cluster_size; i++) { in f2fs_read_multi_pages()
2187 struct page *page = cc->rpages[i]; in f2fs_read_multi_pages()
2191 if ((sector_t)page->index >= last_block_in_file) { in f2fs_read_multi_pages()
2201 cc->rpages[i] = NULL; in f2fs_read_multi_pages()
2202 cc->nr_rpages--; in f2fs_read_multi_pages()
2223 for (i = 1; i < cc->cluster_size; i++) { in f2fs_read_multi_pages()
2228 ei.blk + i - 1; in f2fs_read_multi_pages()
2234 ret = -EFAULT; in f2fs_read_multi_pages()
2237 cc->nr_cpages++; in f2fs_read_multi_pages()
2244 if (cc->nr_cpages == 0) { in f2fs_read_multi_pages()
2255 for (i = 0; i < cc->nr_cpages; i++) { in f2fs_read_multi_pages()
2256 struct page *page = dic->cpages[i]; in f2fs_read_multi_pages()
2267 if (atomic_dec_and_test(&dic->remaining_pages)) in f2fs_read_multi_pages()
2274 !f2fs_crypt_mergeable_bio(bio, inode, page->index, NULL))) { in f2fs_read_multi_pages()
2276 __submit_bio(sbi, bio, DATA); in f2fs_read_multi_pages()
2283 page->index, for_write); in f2fs_read_multi_pages()
2296 ctx = bio->bi_private; in f2fs_read_multi_pages()
2297 ctx->enabled_steps |= STEP_DECOMPRESS; in f2fs_read_multi_pages()
2298 refcount_inc(&dic->refcnt); in f2fs_read_multi_pages()
2317 for (i = 0; i < cc->cluster_size; i++) { in f2fs_read_multi_pages()
2318 if (cc->rpages[i]) { in f2fs_read_multi_pages()
2319 ClearPageUptodate(cc->rpages[i]); in f2fs_read_multi_pages()
2320 ClearPageError(cc->rpages[i]); in f2fs_read_multi_pages()
2321 unlock_page(cc->rpages[i]); in f2fs_read_multi_pages()
2342 .log_cluster_size = F2FS_I(inode)->i_log_cluster_size, in f2fs_mpage_readpages()
2343 .cluster_size = F2FS_I(inode)->i_cluster_size, in f2fs_mpage_readpages()
2364 for (; nr_pages; nr_pages--) { in f2fs_mpage_readpages()
2367 prefetchw(&page->flags); in f2fs_mpage_readpages()
2373 if (!f2fs_cluster_can_merge_page(&cc, page->index)) { in f2fs_mpage_readpages()
2382 ret = f2fs_is_compressed_cluster(inode, page->index); in f2fs_mpage_readpages()
2429 __submit_bio(F2FS_I_SB(inode), bio, DATA); in f2fs_mpage_readpages()
2435 struct inode *inode = page_file_mapping(page)->host; in f2fs_read_data_page()
2436 int ret = -EAGAIN; in f2fs_read_data_page()
2438 trace_f2fs_readpage(page, DATA); in f2fs_read_data_page()
2442 return -EOPNOTSUPP; in f2fs_read_data_page()
2445 /* If the file has inline data, try to read it directly */ in f2fs_read_data_page()
2448 if (ret == -EAGAIN) in f2fs_read_data_page()
2455 struct inode *inode = rac->mapping->host; in f2fs_readahead()
2462 /* If the file has inline data, skip readpages */ in f2fs_readahead()
2471 struct inode *inode = fio->page->mapping->host; in f2fs_encrypt_one_page()
2478 page = fio->compressed_page ? fio->compressed_page : fio->page; in f2fs_encrypt_one_page()
2481 f2fs_wait_on_block_writeback(inode, fio->old_blkaddr); in f2fs_encrypt_one_page()
2487 fio->encrypted_page = fscrypt_encrypt_pagecache_blocks(page, in f2fs_encrypt_one_page()
2489 if (IS_ERR(fio->encrypted_page)) { in f2fs_encrypt_one_page()
2491 if (PTR_ERR(fio->encrypted_page) == -ENOMEM) { in f2fs_encrypt_one_page()
2492 f2fs_flush_merged_writes(fio->sbi); in f2fs_encrypt_one_page()
2497 return PTR_ERR(fio->encrypted_page); in f2fs_encrypt_one_page()
2500 mpage = find_lock_page(META_MAPPING(fio->sbi), fio->old_blkaddr); in f2fs_encrypt_one_page()
2504 page_address(fio->encrypted_page), PAGE_SIZE); in f2fs_encrypt_one_page()
2514 unsigned int policy = SM_I(sbi)->ipu_policy; in check_inplace_update_policy()
2524 utilization(sbi) > SM_I(sbi)->min_ipu_util) in check_inplace_update_policy()
2527 utilization(sbi) > SM_I(sbi)->min_ipu_util) in check_inplace_update_policy()
2534 fio && fio->op == REQ_OP_WRITE && in check_inplace_update_policy()
2535 !(fio->op_flags & REQ_SYNC) && in check_inplace_update_policy()
2545 !f2fs_is_checkpointed_data(sbi, fio->old_blkaddr))) in check_inplace_update_policy()
2578 if (S_ISDIR(inode->i_mode)) in f2fs_should_update_outplace()
2593 if (page_private_gcing(fio->page)) in f2fs_should_update_outplace()
2595 if (page_private_dummy(fio->page)) in f2fs_should_update_outplace()
2598 f2fs_is_checkpointed_data(sbi, fio->old_blkaddr))) in f2fs_should_update_outplace()
2606 struct inode *inode = fio->page->mapping->host; in need_inplace_update()
2616 struct page *page = fio->page; in f2fs_do_write_data_page()
2617 struct inode *inode = page->mapping->host; in f2fs_do_write_data_page()
2626 f2fs_lookup_read_extent_cache(inode, page->index, &ei)) { in f2fs_do_write_data_page()
2627 fio->old_blkaddr = ei.blk + page->index - ei.fofs; in f2fs_do_write_data_page()
2629 if (!f2fs_is_valid_blkaddr(fio->sbi, fio->old_blkaddr, in f2fs_do_write_data_page()
2631 return -EFSCORRUPTED; in f2fs_do_write_data_page()
2634 fio->need_lock = LOCK_DONE; in f2fs_do_write_data_page()
2638 /* Deadlock due to between page->lock and f2fs_lock_op */ in f2fs_do_write_data_page()
2639 if (fio->need_lock == LOCK_REQ && !f2fs_trylock_op(fio->sbi)) in f2fs_do_write_data_page()
2640 return -EAGAIN; in f2fs_do_write_data_page()
2642 err = f2fs_get_dnode_of_data(&dn, page->index, LOOKUP_NODE); in f2fs_do_write_data_page()
2646 fio->old_blkaddr = dn.data_blkaddr; in f2fs_do_write_data_page()
2649 if (fio->old_blkaddr == NULL_ADDR) { in f2fs_do_write_data_page()
2655 if (__is_valid_data_blkaddr(fio->old_blkaddr) && in f2fs_do_write_data_page()
2656 !f2fs_is_valid_blkaddr(fio->sbi, fio->old_blkaddr, in f2fs_do_write_data_page()
2658 err = -EFSCORRUPTED; in f2fs_do_write_data_page()
2663 * it had better in-place writes for updated data. in f2fs_do_write_data_page()
2666 (__is_valid_data_blkaddr(fio->old_blkaddr) && in f2fs_do_write_data_page()
2675 if (fio->need_lock == LOCK_REQ) in f2fs_do_write_data_page()
2676 f2fs_unlock_op(fio->sbi); in f2fs_do_write_data_page()
2680 fscrypt_finalize_bounce_page(&fio->encrypted_page); in f2fs_do_write_data_page()
2686 trace_f2fs_do_write_data_page(fio->page, IPU); in f2fs_do_write_data_page()
2690 if (fio->need_lock == LOCK_RETRY) { in f2fs_do_write_data_page()
2691 if (!f2fs_trylock_op(fio->sbi)) { in f2fs_do_write_data_page()
2692 err = -EAGAIN; in f2fs_do_write_data_page()
2695 fio->need_lock = LOCK_REQ; in f2fs_do_write_data_page()
2698 err = f2fs_get_node_info(fio->sbi, dn.nid, &ni, false); in f2fs_do_write_data_page()
2702 fio->version = ni.version; in f2fs_do_write_data_page()
2711 if (fio->compr_blocks && fio->old_blkaddr == COMPRESS_ADDR) in f2fs_do_write_data_page()
2712 f2fs_i_compr_blocks_update(inode, fio->compr_blocks - 1, false); in f2fs_do_write_data_page()
2718 if (page->index == 0) in f2fs_do_write_data_page()
2723 if (fio->need_lock == LOCK_REQ) in f2fs_do_write_data_page()
2724 f2fs_unlock_op(fio->sbi); in f2fs_do_write_data_page()
2736 struct inode *inode = page->mapping->host; in f2fs_write_single_data_page()
2741 loff_t psize = (loff_t)(page->index + 1) << PAGE_SHIFT; in f2fs_write_single_data_page()
2747 .ino = inode->i_ino, in f2fs_write_single_data_page()
2748 .type = DATA, in f2fs_write_single_data_page()
2764 trace_f2fs_writepage(page, DATA); in f2fs_write_single_data_page()
2766 /* we should bypass data pages to proceed the kworkder jobs */ in f2fs_write_single_data_page()
2768 mapping_set_error(page->mapping, -EIO); in f2fs_write_single_data_page()
2773 if (S_ISDIR(inode->i_mode)) in f2fs_write_single_data_page()
2781 if (page->index < end_index || in f2fs_write_single_data_page()
2787 * If the offset is out-of-range of file size, in f2fs_write_single_data_page()
2790 offset = i_size & (PAGE_SIZE - 1); in f2fs_write_single_data_page()
2791 if ((page->index >= end_index + 1) || !offset) in f2fs_write_single_data_page()
2799 if (f2fs_is_volatile_file(inode) && (!page->index || in f2fs_write_single_data_page()
2800 (!wbc->for_reclaim && in f2fs_write_single_data_page()
2805 if (S_ISDIR(inode->i_mode) || IS_NOQUOTA(inode)) { in f2fs_write_single_data_page()
2812 f2fs_down_read(&sbi->node_write); in f2fs_write_single_data_page()
2818 f2fs_up_read(&sbi->node_write); in f2fs_write_single_data_page()
2823 if (!wbc->for_reclaim) in f2fs_write_single_data_page()
2830 err = -EAGAIN; in f2fs_write_single_data_page()
2837 if (err == -EAGAIN) { in f2fs_write_single_data_page()
2839 if (err == -EAGAIN) { in f2fs_write_single_data_page()
2848 spin_lock(&F2FS_I(inode)->i_size_lock); in f2fs_write_single_data_page()
2849 if (F2FS_I(inode)->last_disk_size < psize) in f2fs_write_single_data_page()
2850 F2FS_I(inode)->last_disk_size = psize; in f2fs_write_single_data_page()
2851 spin_unlock(&F2FS_I(inode)->i_size_lock); in f2fs_write_single_data_page()
2855 if (err && err != -ENOENT) in f2fs_write_single_data_page()
2865 if (wbc->for_reclaim) { in f2fs_write_single_data_page()
2866 f2fs_submit_merged_write_cond(sbi, NULL, page, 0, DATA); in f2fs_write_single_data_page()
2872 if (!S_ISDIR(inode->i_mode) && !IS_NOQUOTA(inode) && in f2fs_write_single_data_page()
2873 !F2FS_I(inode)->wb_task && allow_balance) in f2fs_write_single_data_page()
2877 f2fs_submit_merged_write(sbi, DATA); in f2fs_write_single_data_page()
2891 * -> mapping_set_error() -> set_bit(AS_EIO, ...). in f2fs_write_single_data_page()
2895 if (!err || wbc->for_reclaim) in f2fs_write_single_data_page()
2905 struct inode *inode = page->mapping->host; in f2fs_write_data_page()
2911 if (f2fs_is_compressed_cluster(inode, page->index)) { in f2fs_write_data_page()
2924 * This function was copied from write_cche_pages from mm/page-writeback.c.
2925 * The major change is making write step of cold data page separately from
2926 * warm/hot data page.
2928 static int f2fs_write_cache_pages(struct address_space *mapping, in f2fs_write_cache_pages() argument
2935 struct f2fs_sb_info *sbi = F2FS_M_SB(mapping); in f2fs_write_cache_pages()
2939 struct inode *inode = mapping->host; in f2fs_write_cache_pages()
2942 .log_cluster_size = F2FS_I(inode)->i_log_cluster_size, in f2fs_write_cache_pages()
2943 .cluster_size = F2FS_I(inode)->i_cluster_size, in f2fs_write_cache_pages()
2950 .rlen = PAGE_SIZE * F2FS_I(inode)->i_cluster_size, in f2fs_write_cache_pages()
2966 if (get_dirty_pages(mapping->host) <= in f2fs_write_cache_pages()
2967 SM_I(F2FS_M_SB(mapping))->min_hot_blocks) in f2fs_write_cache_pages()
2968 set_inode_flag(mapping->host, FI_HOT_DATA); in f2fs_write_cache_pages()
2970 clear_inode_flag(mapping->host, FI_HOT_DATA); in f2fs_write_cache_pages()
2972 if (wbc->range_cyclic) { in f2fs_write_cache_pages()
2973 index = mapping->writeback_index; /* prev offset */ in f2fs_write_cache_pages()
2974 end = -1; in f2fs_write_cache_pages()
2976 index = wbc->range_start >> PAGE_SHIFT; in f2fs_write_cache_pages()
2977 end = wbc->range_end >> PAGE_SHIFT; in f2fs_write_cache_pages()
2978 if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) in f2fs_write_cache_pages()
2981 if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages) in f2fs_write_cache_pages()
2987 if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages) in f2fs_write_cache_pages()
2988 tag_pages_for_writeback(mapping, index, end); in f2fs_write_cache_pages()
2991 nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, end, in f2fs_write_cache_pages()
3010 page->index)) { in f2fs_write_cache_pages()
3028 page->index, &fsdata); in f2fs_write_cache_pages()
3035 fsdata, page->index, in f2fs_write_cache_pages()
3046 if (atomic_read(&sbi->wb_sync_req[DATA]) && in f2fs_write_cache_pages()
3047 wbc->sync_mode == WB_SYNC_NONE) { in f2fs_write_cache_pages()
3054 done_index = page->index; in f2fs_write_cache_pages()
3058 if (unlikely(page->mapping != mapping)) { in f2fs_write_cache_pages()
3070 if (wbc->sync_mode != WB_SYNC_NONE) in f2fs_write_cache_pages()
3072 DATA, true, true); in f2fs_write_cache_pages()
3096 wbc->nr_to_write -= submitted; in f2fs_write_cache_pages()
3106 } else if (ret == -EAGAIN) { in f2fs_write_cache_pages()
3108 if (wbc->sync_mode == WB_SYNC_ALL) { in f2fs_write_cache_pages()
3116 done_index = page->index + 1; in f2fs_write_cache_pages()
3121 if (wbc->nr_to_write <= 0 && in f2fs_write_cache_pages()
3122 wbc->sync_mode == WB_SYNC_NONE) { in f2fs_write_cache_pages()
3138 wbc->nr_to_write -= submitted; in f2fs_write_cache_pages()
3149 end = -1; in f2fs_write_cache_pages()
3152 if (wbc->range_cyclic && !done) in f2fs_write_cache_pages()
3154 if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) in f2fs_write_cache_pages()
3155 mapping->writeback_index = done_index; in f2fs_write_cache_pages()
3158 f2fs_submit_merged_write_cond(F2FS_M_SB(mapping), mapping->host, in f2fs_write_cache_pages()
3159 NULL, 0, DATA); in f2fs_write_cache_pages()
3170 /* to avoid deadlock in path of data flush */ in __should_serialize_io()
3171 if (F2FS_I(inode)->wb_task) in __should_serialize_io()
3174 if (!S_ISREG(inode->i_mode)) in __should_serialize_io()
3181 if (wbc->sync_mode != WB_SYNC_ALL) in __should_serialize_io()
3183 if (get_dirty_pages(inode) >= SM_I(F2FS_I_SB(inode))->min_seq_blocks) in __should_serialize_io()
3188 static int __f2fs_write_data_pages(struct address_space *mapping, in __f2fs_write_data_pages() argument
3192 struct inode *inode = mapping->host; in __f2fs_write_data_pages()
3199 if (!mapping->a_ops->writepage) in __f2fs_write_data_pages()
3203 if (!get_dirty_pages(inode) && wbc->sync_mode == WB_SYNC_NONE) in __f2fs_write_data_pages()
3210 if ((S_ISDIR(inode->i_mode) || IS_NOQUOTA(inode)) && in __f2fs_write_data_pages()
3211 wbc->sync_mode == WB_SYNC_NONE && in __f2fs_write_data_pages()
3212 get_dirty_pages(inode) < nr_pages_to_skip(sbi, DATA) && in __f2fs_write_data_pages()
3220 trace_f2fs_writepages(mapping->host, wbc, DATA); in __f2fs_write_data_pages()
3223 if (wbc->sync_mode == WB_SYNC_ALL) in __f2fs_write_data_pages()
3224 atomic_inc(&sbi->wb_sync_req[DATA]); in __f2fs_write_data_pages()
3225 else if (atomic_read(&sbi->wb_sync_req[DATA])) { in __f2fs_write_data_pages()
3227 if (current->plug) in __f2fs_write_data_pages()
3228 blk_finish_plug(current->plug); in __f2fs_write_data_pages()
3233 mutex_lock(&sbi->writepages); in __f2fs_write_data_pages()
3238 ret = f2fs_write_cache_pages(mapping, wbc, io_type); in __f2fs_write_data_pages()
3242 mutex_unlock(&sbi->writepages); in __f2fs_write_data_pages()
3244 if (wbc->sync_mode == WB_SYNC_ALL) in __f2fs_write_data_pages()
3245 atomic_dec(&sbi->wb_sync_req[DATA]); in __f2fs_write_data_pages()
3247 * if some pages were truncated, we cannot guarantee its mapping->host in __f2fs_write_data_pages()
3255 wbc->pages_skipped += get_dirty_pages(inode); in __f2fs_write_data_pages()
3256 trace_f2fs_writepages(mapping->host, wbc, DATA); in __f2fs_write_data_pages()
3260 static int f2fs_write_data_pages(struct address_space *mapping, in f2fs_write_data_pages() argument
3263 struct inode *inode = mapping->host; in f2fs_write_data_pages()
3265 return __f2fs_write_data_pages(mapping, wbc, in f2fs_write_data_pages()
3266 F2FS_I(inode)->cp_task == current ? in f2fs_write_data_pages()
3270 static void f2fs_write_failed(struct address_space *mapping, loff_t to) in f2fs_write_failed() argument
3272 struct inode *inode = mapping->host; in f2fs_write_failed()
3278 /* In the fs-verity case, f2fs_end_enable_verity() does the truncate */ in f2fs_write_failed()
3280 f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); in f2fs_write_failed()
3281 f2fs_down_write(&F2FS_I(inode)->i_mmap_sem); in f2fs_write_failed()
3286 f2fs_up_write(&F2FS_I(inode)->i_mmap_sem); in f2fs_write_failed()
3287 f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); in f2fs_write_failed()
3295 struct inode *inode = page->mapping->host; in prepare_write_begin()
3296 pgoff_t index = page->index; in prepare_write_begin()
3327 ipage = f2fs_get_node_page(sbi, inode->i_ino); in prepare_write_begin()
3339 if (inode->i_nlink) in prepare_write_begin()
3352 dn.data_blkaddr = ei.blk + index - ei.fofs; in prepare_write_begin()
3378 static int f2fs_write_begin(struct file *file, struct address_space *mapping, in f2fs_write_begin() argument
3382 struct inode *inode = mapping->host; in f2fs_write_begin()
3392 * kswapd -> f2fs_evict_inode -> dquot_drop -> in f2fs_write_begin()
3393 * f2fs_dquot_commit -> f2fs_write_begin -> in f2fs_write_begin()
3394 * d_obtain_alias -> __d_alloc -> kmem_cache_alloc(GFP_KERNEL) in f2fs_write_begin()
3403 current->pid, path, in f2fs_write_begin()
3404 current->comm); in f2fs_write_begin()
3409 err = -ENOSPC; in f2fs_write_begin()
3416 err = -ENOMEM; in f2fs_write_begin()
3424 * lock_page(page #0) -> lock_page(inode_page) in f2fs_write_begin()
3457 page = f2fs_pagecache_get_page(mapping, index, in f2fs_write_begin()
3460 err = -ENOMEM; in f2fs_write_begin()
3478 if (page->mapping != mapping) { in f2fs_write_begin()
3485 f2fs_wait_on_page_writeback(page, DATA, false, true); in f2fs_write_begin()
3490 if (!(pos & (PAGE_SIZE - 1)) && (pos + len) >= i_size_read(inode) && in f2fs_write_begin()
3502 err = -EFSCORRUPTED; in f2fs_write_begin()
3510 if (unlikely(page->mapping != mapping)) { in f2fs_write_begin()
3515 err = -EIO; in f2fs_write_begin()
3523 f2fs_write_failed(mapping, pos + len); in f2fs_write_begin()
3530 struct address_space *mapping, in f2fs_write_end() argument
3534 struct inode *inode = page->mapping->host; in f2fs_write_end()
3542 * let generic_perform_write() try to copy data again through copied=0. in f2fs_write_end()
3554 f2fs_compress_write_end(inode, fsdata, page->index, copied); in f2fs_write_end()
3581 unsigned i_blkbits = READ_ONCE(inode->i_blkbits); in check_direct_IO()
3583 unsigned blocksize_mask = (1 << blkbits) - 1; in check_direct_IO()
3585 struct block_device *bdev = inode->i_sb->s_bdev; in check_direct_IO()
3593 blocksize_mask = (1 << blkbits) - 1; in check_direct_IO()
3595 return -EINVAL; in check_direct_IO()
3603 struct f2fs_private_dio *dio = bio->bi_private; in f2fs_dio_end_io()
3605 dec_page_count(F2FS_I_SB(dio->inode), in f2fs_dio_end_io()
3606 dio->write ? F2FS_DIO_WRITE : F2FS_DIO_READ); in f2fs_dio_end_io()
3608 bio->bi_private = dio->orig_private; in f2fs_dio_end_io()
3609 bio->bi_end_io = dio->orig_end_io; in f2fs_dio_end_io()
3627 dio->inode = inode; in f2fs_dio_submit_bio()
3628 dio->orig_end_io = bio->bi_end_io; in f2fs_dio_submit_bio()
3629 dio->orig_private = bio->bi_private; in f2fs_dio_submit_bio()
3630 dio->write = write; in f2fs_dio_submit_bio()
3632 bio->bi_end_io = f2fs_dio_end_io; in f2fs_dio_submit_bio()
3633 bio->bi_private = dio; in f2fs_dio_submit_bio()
3641 bio->bi_status = BLK_STS_IOERR; in f2fs_dio_submit_bio()
3647 struct address_space *mapping = iocb->ki_filp->f_mapping; in f2fs_direct_IO() local
3648 struct inode *inode = mapping->host; in f2fs_direct_IO()
3652 loff_t offset = iocb->ki_pos; in f2fs_direct_IO()
3655 enum rw_hint hint = iocb->ki_hint; in f2fs_direct_IO()
3678 count, current->pid, path, in f2fs_direct_IO()
3679 current->comm); in f2fs_direct_IO()
3689 current->pid, path, in f2fs_direct_IO()
3690 current->comm); in f2fs_direct_IO()
3694 iocb->ki_hint = WRITE_LIFE_NOT_SET; in f2fs_direct_IO()
3696 if (iocb->ki_flags & IOCB_NOWAIT) { in f2fs_direct_IO()
3697 if (!f2fs_down_read_trylock(&fi->i_gc_rwsem[rw])) { in f2fs_direct_IO()
3698 iocb->ki_hint = hint; in f2fs_direct_IO()
3699 err = -EAGAIN; in f2fs_direct_IO()
3702 if (do_opu && !f2fs_down_read_trylock(&fi->i_gc_rwsem[READ])) { in f2fs_direct_IO()
3703 f2fs_up_read(&fi->i_gc_rwsem[rw]); in f2fs_direct_IO()
3704 iocb->ki_hint = hint; in f2fs_direct_IO()
3705 err = -EAGAIN; in f2fs_direct_IO()
3709 f2fs_down_read(&fi->i_gc_rwsem[rw]); in f2fs_direct_IO()
3711 f2fs_down_read(&fi->i_gc_rwsem[READ]); in f2fs_direct_IO()
3714 err = __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, in f2fs_direct_IO()
3721 f2fs_up_read(&fi->i_gc_rwsem[READ]); in f2fs_direct_IO()
3723 f2fs_up_read(&fi->i_gc_rwsem[rw]); in f2fs_direct_IO()
3727 iocb->ki_hint = hint; in f2fs_direct_IO()
3733 } else if (err == -EIOCBQUEUED) { in f2fs_direct_IO()
3735 count - iov_iter_count(iter)); in f2fs_direct_IO()
3737 f2fs_write_failed(mapping, offset + count); in f2fs_direct_IO()
3742 else if (err == -EIOCBQUEUED) in f2fs_direct_IO()
3744 count - iov_iter_count(iter)); in f2fs_direct_IO()
3763 struct inode *inode = page->mapping->host; in f2fs_invalidate_page()
3766 if (inode->i_ino >= F2FS_ROOT_INO(sbi) && in f2fs_invalidate_page()
3771 if (inode->i_ino == F2FS_META_INO(sbi)) { in f2fs_invalidate_page()
3773 } else if (inode->i_ino == F2FS_NODE_INO(sbi)) { in f2fs_invalidate_page()
3785 f2fs_invalidate_compress_pages(sbi, inode->i_ino); in f2fs_invalidate_page()
3786 if (inode->i_ino == F2FS_COMPRESS_INO(sbi)) in f2fs_invalidate_page()
3809 struct inode *inode = page->mapping->host; in f2fs_release_page()
3812 f2fs_invalidate_compress_pages(sbi, inode->i_ino); in f2fs_release_page()
3813 if (inode->i_ino == F2FS_COMPRESS_INO(sbi)) in f2fs_release_page()
3826 struct inode *inode = page_file_mapping(page)->host; in f2fs_set_data_page_dirty()
3828 trace_f2fs_set_page_dirty(page, DATA); in f2fs_set_data_page_dirty()
3863 start_idx = round_down(block, F2FS_I(inode)->i_cluster_size); in f2fs_bmap_compress()
3871 dn.ofs_in_node += block - start_idx; in f2fs_bmap_compress()
3885 static sector_t f2fs_bmap(struct address_space *mapping, sector_t block) in f2fs_bmap() argument
3887 struct inode *inode = mapping->host; in f2fs_bmap()
3894 if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) in f2fs_bmap()
3895 filemap_write_and_wait(mapping); in f2fs_bmap()
3923 int f2fs_migrate_page(struct address_space *mapping, in f2fs_migrate_page() argument
3927 struct f2fs_inode_info *fi = F2FS_I(mapping->host); in f2fs_migrate_page()
3935 return -EBUSY; in f2fs_migrate_page()
3936 if (!mutex_trylock(&fi->inmem_lock)) in f2fs_migrate_page()
3937 return -EAGAIN; in f2fs_migrate_page()
3942 rc = migrate_page_move_mapping(mapping, newpage, in f2fs_migrate_page()
3946 mutex_unlock(&fi->inmem_lock); in f2fs_migrate_page()
3953 list_for_each_entry(cur, &fi->inmem_pages, list) in f2fs_migrate_page()
3954 if (cur->page == page) { in f2fs_migrate_page()
3955 cur->page = newpage; in f2fs_migrate_page()
3958 mutex_unlock(&fi->inmem_lock); in f2fs_migrate_page()
3995 f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); in f2fs_migrate_blocks()
3996 f2fs_down_write(&F2FS_I(inode)->i_mmap_sem); in f2fs_migrate_blocks()
4002 f2fs_down_write(&sbi->pin_sem); in f2fs_migrate_blocks()
4016 f2fs_up_write(&sbi->pin_sem); in f2fs_migrate_blocks()
4027 ret = filemap_fdatawrite(inode->i_mapping); in f2fs_migrate_blocks()
4029 f2fs_up_write(&sbi->pin_sem); in f2fs_migrate_blocks()
4040 f2fs_up_write(&F2FS_I(inode)->i_mmap_sem); in f2fs_migrate_blocks()
4041 f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); in f2fs_migrate_blocks()
4049 struct address_space *mapping = swap_file->f_mapping; in check_swap_activate() local
4050 struct inode *inode = mapping->host; in check_swap_activate()
4055 sector_t lowest_pblock = -1; in check_swap_activate()
4060 unsigned int sec_blks_mask = BLKS_PER_SEC(sbi) - 1; in check_swap_activate()
4071 while (cur_lblock < last_lblock && cur_lblock < sis->max) { in check_swap_activate()
4078 map.m_len = last_lblock - cur_lblock; in check_swap_activate()
4091 ret = -EINVAL; in check_swap_activate()
4098 if ((pblock - SM_I(sbi)->main_blkaddr) & sec_blks_mask || in check_swap_activate()
4103 if (cur_lblock + nr_pblocks > sis->max) in check_swap_activate()
4104 nr_pblocks -= blks_per_sec; in check_swap_activate()
4120 if (cur_lblock + nr_pblocks >= sis->max) in check_swap_activate()
4121 nr_pblocks = sis->max - cur_lblock; in check_swap_activate()
4126 if (pblock + nr_pblocks - 1 > highest_pblock) in check_swap_activate()
4127 highest_pblock = pblock + nr_pblocks - 1; in check_swap_activate()
4131 * We found a PAGE_SIZE-length, PAGE_SIZE-aligned run of blocks in check_swap_activate()
4140 *span = 1 + highest_pblock - lowest_pblock; in check_swap_activate()
4143 sis->max = cur_lblock; in check_swap_activate()
4144 sis->pages = cur_lblock - 1; in check_swap_activate()
4145 sis->highest_bit = cur_lblock - 1; in check_swap_activate()
4159 if (!S_ISREG(inode->i_mode)) in f2fs_swap_activate()
4160 return -EINVAL; in f2fs_swap_activate()
4162 if (f2fs_readonly(F2FS_I_SB(inode)->sb)) in f2fs_swap_activate()
4163 return -EROFS; in f2fs_swap_activate()
4168 return -EINVAL; in f2fs_swap_activate()
4176 return -EINVAL; in f2fs_swap_activate()
4199 return -EOPNOTSUPP; in f2fs_swap_activate()
4228 struct address_space *mapping = page_mapping(page); in f2fs_clear_page_cache_dirty_tag() local
4231 xa_lock_irqsave(&mapping->i_pages, flags); in f2fs_clear_page_cache_dirty_tag()
4232 __xa_clear_mark(&mapping->i_pages, page_index(page), in f2fs_clear_page_cache_dirty_tag()
4234 xa_unlock_irqrestore(&mapping->i_pages, flags); in f2fs_clear_page_cache_dirty_tag()
4254 return -ENOMEM; in f2fs_init_post_read_processing()
4270 sbi->post_read_wq = alloc_workqueue("f2fs_post_read_wq", in f2fs_init_post_read_wq()
4273 if (!sbi->post_read_wq) in f2fs_init_post_read_wq()
4274 return -ENOMEM; in f2fs_init_post_read_wq()
4280 if (sbi->post_read_wq) in f2fs_destroy_post_read_wq()
4281 destroy_workqueue(sbi->post_read_wq); in f2fs_destroy_post_read_wq()
4289 return -ENOMEM; in f2fs_init_bio_entry_cache()