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()
76 struct address_space *mapping = page->mapping; in __is_cp_guaranteed() local
80 if (!mapping) in __is_cp_guaranteed()
86 inode = mapping->host; in __is_cp_guaranteed()
89 if (inode->i_ino == F2FS_META_INO(sbi) || in __is_cp_guaranteed()
90 inode->i_ino == F2FS_NODE_INO(sbi) || in __is_cp_guaranteed()
91 S_ISDIR(inode->i_mode) || in __is_cp_guaranteed()
92 (S_ISREG(inode->i_mode) && in __is_cp_guaranteed()
101 struct address_space *mapping = page_file_mapping(page); in __read_io_type() local
103 if (mapping) { in __read_io_type()
104 struct inode *inode = mapping->host; in __read_io_type()
107 if (inode->i_ino == F2FS_META_INO(sbi)) in __read_io_type()
110 if (inode->i_ino == F2FS_NODE_INO(sbi)) in __read_io_type()
119 STEP_DECOMPRESS_NOWQ, /* handle normal cluster data inplace */
120 STEP_DECOMPRESS, /* handle compressed cluster data in workqueue */
138 page = bv->bv_page; in __read_end_io()
150 if (bio->bi_status || PageError(page)) { in __read_end_io()
152 /* will re-read again later */ in __read_end_io()
179 fscrypt_decrypt_bio(ctx->bio); in f2fs_decrypt_work()
184 f2fs_decompress_bio(ctx->bio, ctx->enabled_steps & (1 << STEP_VERITY)); in f2fs_decompress_work()
199 struct page *page = bv->bv_page; in f2fs_verify_bio()
205 if (atomic_dec_return(&dic->pending_pages)) in f2fs_verify_bio()
207 f2fs_verify_pages(dic->rpages, in f2fs_verify_bio()
208 dic->cluster_size); in f2fs_verify_bio()
213 if (bio->bi_status || PageError(page)) in f2fs_verify_bio()
234 struct bio *bio = ctx->bio; in f2fs_verity_work()
236 unsigned int enabled_steps = ctx->enabled_steps; in f2fs_verity_work()
244 * This assumes that verity is the last post-read step. in f2fs_verity_work()
247 bio->bi_private = NULL; in f2fs_verity_work()
267 if (ctx->enabled_steps & (1 << STEP_DECRYPT)) in f2fs_post_read_work()
270 if (ctx->enabled_steps & (1 << STEP_DECOMPRESS)) in f2fs_post_read_work()
273 if (ctx->enabled_steps & (1 << STEP_VERITY)) { in f2fs_post_read_work()
274 INIT_WORK(&ctx->work, f2fs_verity_work); in f2fs_post_read_work()
275 fsverity_enqueue_verify_work(&ctx->work); in f2fs_post_read_work()
279 __f2fs_read_end_io(ctx->bio, in f2fs_post_read_work()
280 ctx->enabled_steps & (1 << STEP_DECOMPRESS), false); in f2fs_post_read_work()
286 queue_work(sbi->post_read_wq, work); in f2fs_enqueue_post_read_work()
297 if (ctx->enabled_steps & (1 << STEP_DECRYPT) || in bio_post_read_processing()
298 ctx->enabled_steps & (1 << STEP_DECOMPRESS)) { in bio_post_read_processing()
299 INIT_WORK(&ctx->work, f2fs_post_read_work); in bio_post_read_processing()
300 f2fs_enqueue_post_read_work(ctx->sbi, &ctx->work); in bio_post_read_processing()
304 if (ctx->enabled_steps & (1 << STEP_VERITY)) { in bio_post_read_processing()
305 INIT_WORK(&ctx->work, f2fs_verity_work); in bio_post_read_processing()
306 fsverity_enqueue_verify_work(&ctx->work); in bio_post_read_processing()
310 __f2fs_read_end_io(ctx->bio, false, false); in bio_post_read_processing()
315 return bio->bi_private; in f2fs_bio_post_read_required()
324 bio->bi_status = BLK_STS_IOERR; in f2fs_read_end_io()
328 struct bio_post_read_ctx *ctx = bio->bi_private; in f2fs_read_end_io()
339 struct f2fs_sb_info *sbi = bio->bi_private; in f2fs_write_end_io()
345 bio->bi_status = BLK_STS_IOERR; in f2fs_write_end_io()
349 struct page *page = bvec->bv_page; in f2fs_write_end_io()
356 mempool_free(page, sbi->write_io_dummy); in f2fs_write_end_io()
358 if (unlikely(bio->bi_status)) in f2fs_write_end_io()
372 if (unlikely(bio->bi_status)) { in f2fs_write_end_io()
373 mapping_set_error(page->mapping, -EIO); in f2fs_write_end_io()
378 f2fs_bug_on(sbi, page->mapping == NODE_MAPPING(sbi) && in f2fs_write_end_io()
379 page->index != nid_of_node(page)); in f2fs_write_end_io()
388 wq_has_sleeper(&sbi->cp_wait)) in f2fs_write_end_io()
389 wake_up(&sbi->cp_wait); in f2fs_write_end_io()
397 struct block_device *bdev = sbi->sb->s_bdev; in f2fs_target_device()
401 for (i = 0; i < sbi->s_ndevs; i++) { in f2fs_target_device()
404 blk_addr -= FDEV(i).start_blk; in f2fs_target_device()
412 bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(blk_addr); in f2fs_target_device()
424 for (i = 0; i < sbi->s_ndevs; i++) in f2fs_target_device_index()
437 return bio->bi_disk == b->bd_disk && bio->bi_partno == b->bd_partno; in __same_bdev()
442 struct f2fs_sb_info *sbi = fio->sbi; in __bio_alloc()
447 f2fs_target_device(sbi, fio->new_blkaddr, bio); in __bio_alloc()
448 if (is_read_io(fio->op)) { in __bio_alloc()
449 bio->bi_end_io = f2fs_read_end_io; in __bio_alloc()
450 bio->bi_private = NULL; in __bio_alloc()
452 bio->bi_end_io = f2fs_write_end_io; in __bio_alloc()
453 bio->bi_private = sbi; in __bio_alloc()
454 bio->bi_write_hint = f2fs_io_type_to_rw_hint(sbi, in __bio_alloc()
455 fio->type, fio->temp); in __bio_alloc()
457 if (fio->io_wbc) in __bio_alloc()
458 wbc_init_bio(fio->io_wbc, bio); in __bio_alloc()
469 * The f2fs garbage collector sets ->encrypted_page when it wants to in f2fs_set_bio_crypt_ctx()
470 * read/write raw data without encryption. in f2fs_set_bio_crypt_ctx()
472 if (!fio || !fio->encrypted_page) in f2fs_set_bio_crypt_ctx()
481 * The f2fs garbage collector sets ->encrypted_page when it wants to in f2fs_crypt_mergeable_bio()
482 * read/write raw data without encryption. in f2fs_crypt_mergeable_bio()
484 if (fio && fio->encrypted_page) in f2fs_crypt_mergeable_bio()
496 if (type != DATA && type != NODE) in __submit_bio()
499 if (f2fs_lfs_mode(sbi) && current->plug) in __submit_bio()
500 blk_finish_plug(current->plug); in __submit_bio()
505 start = bio->bi_iter.bi_size >> F2FS_BLKSIZE_BITS; in __submit_bio()
514 mempool_alloc(sbi->write_io_dummy, in __submit_bio()
534 trace_f2fs_submit_read_bio(sbi->sb, type, bio); in __submit_bio()
536 trace_f2fs_submit_write_bio(sbi->sb, type, bio); in __submit_bio()
548 struct f2fs_sb_info *sbi = fio->sbi; in __attach_io_flag()
549 unsigned int temp_mask = (1 << NR_TEMP_TYPE) - 1; in __attach_io_flag()
552 if (fio->type == DATA) in __attach_io_flag()
553 io_flag = sbi->data_io_flag; in __attach_io_flag()
554 else if (fio->type == NODE) in __attach_io_flag()
555 io_flag = sbi->node_io_flag; in __attach_io_flag()
563 * data/node io flag bits per temp: in __attach_io_flag()
568 if ((1 << fio->temp) & meta_flag) in __attach_io_flag()
569 fio->op_flags |= REQ_META; in __attach_io_flag()
570 if ((1 << fio->temp) & fua_flag) in __attach_io_flag()
571 fio->op_flags |= REQ_FUA; in __attach_io_flag()
576 struct f2fs_io_info *fio = &io->fio; in __submit_merged_bio()
578 if (!io->bio) in __submit_merged_bio()
582 bio_set_op_attrs(io->bio, fio->op, fio->op_flags); in __submit_merged_bio()
584 if (is_read_io(fio->op)) in __submit_merged_bio()
585 trace_f2fs_prepare_read_bio(io->sbi->sb, fio->type, io->bio); in __submit_merged_bio()
587 trace_f2fs_prepare_write_bio(io->sbi->sb, fio->type, io->bio); in __submit_merged_bio()
589 __submit_bio(io->sbi, io->bio, fio->type); in __submit_merged_bio()
590 io->bio = NULL; in __submit_merged_bio()
606 struct page *target = bvec->bv_page; in __has_merged_page()
619 if (inode && inode == target->mapping->host) in __has_merged_page()
634 struct f2fs_bio_info *io = sbi->write_io[btype] + temp; in __f2fs_submit_merged_write()
636 down_write(&io->io_rwsem); in __f2fs_submit_merged_write()
640 io->fio.type = META_FLUSH; in __f2fs_submit_merged_write()
641 io->fio.op = REQ_OP_WRITE; in __f2fs_submit_merged_write()
642 io->fio.op_flags = REQ_META | REQ_PRIO | REQ_SYNC; in __f2fs_submit_merged_write()
644 io->fio.op_flags |= REQ_PREFLUSH | REQ_FUA; in __f2fs_submit_merged_write()
647 up_write(&io->io_rwsem); in __f2fs_submit_merged_write()
660 struct f2fs_bio_info *io = sbi->write_io[btype] + temp; in __submit_merged_write_cond()
662 down_read(&io->io_rwsem); in __submit_merged_write_cond()
663 ret = __has_merged_page(io->bio, inode, page, ino); in __submit_merged_write_cond()
664 up_read(&io->io_rwsem); in __submit_merged_write_cond()
689 f2fs_submit_merged_write(sbi, DATA); in f2fs_flush_merged_writes()
695 * Fill the locked page with data located in the block address.
701 struct page *page = fio->encrypted_page ? in f2fs_submit_page_bio()
702 fio->encrypted_page : fio->page; in f2fs_submit_page_bio()
704 if (!f2fs_is_valid_blkaddr(fio->sbi, fio->new_blkaddr, in f2fs_submit_page_bio()
705 fio->is_por ? META_POR : (__is_meta_io(fio) ? in f2fs_submit_page_bio()
707 return -EFSCORRUPTED; in f2fs_submit_page_bio()
715 f2fs_set_bio_crypt_ctx(bio, fio->page->mapping->host, in f2fs_submit_page_bio()
716 fio->page->index, fio, GFP_NOIO); in f2fs_submit_page_bio()
720 return -EFAULT; in f2fs_submit_page_bio()
723 if (fio->io_wbc && !is_read_io(fio->op)) in f2fs_submit_page_bio()
724 wbc_account_cgroup_owner(fio->io_wbc, page, PAGE_SIZE); in f2fs_submit_page_bio()
727 bio_set_op_attrs(bio, fio->op, fio->op_flags); in f2fs_submit_page_bio()
729 inc_page_count(fio->sbi, is_read_io(fio->op) ? in f2fs_submit_page_bio()
730 __read_io_type(page): WB_DATA_TYPE(fio->page)); in f2fs_submit_page_bio()
732 __submit_bio(fio->sbi, bio, fio->type); in f2fs_submit_page_bio()
747 if (io->fio.op != fio->op) in io_type_is_mergeable()
749 return io->fio.op_flags == fio->op_flags; in io_type_is_mergeable()
758 if (F2FS_IO_ALIGNED(sbi) && (fio->type == DATA || fio->type == NODE)) { in io_is_mergeable()
760 F2FS_BYTES_TO_BLK(bio->bi_iter.bi_size); in io_is_mergeable()
762 unsigned int left_vecs = bio->bi_max_vecs - bio->bi_vcnt; in io_is_mergeable()
776 struct f2fs_bio_info *io = sbi->write_io[DATA] + temp; in add_bio_entry()
780 be->bio = bio; in add_bio_entry()
786 down_write(&io->bio_list_lock); in add_bio_entry()
787 list_add_tail(&be->list, &io->bio_list); in add_bio_entry()
788 up_write(&io->bio_list_lock); in add_bio_entry()
793 list_del(&be->list); in del_bio_entry()
800 struct f2fs_sb_info *sbi = fio->sbi; in add_ipu_page()
803 int ret = -EAGAIN; in add_ipu_page()
806 struct f2fs_bio_info *io = sbi->write_io[DATA] + temp; in add_ipu_page()
807 struct list_head *head = &io->bio_list; in add_ipu_page()
810 down_write(&io->bio_list_lock); in add_ipu_page()
812 if (be->bio != *bio) in add_ipu_page()
818 *fio->last_block, in add_ipu_page()
819 fio->new_blkaddr)); in add_ipu_page()
821 fio->page->mapping->host, in add_ipu_page()
822 fio->page->index, fio) && in add_ipu_page()
831 __submit_bio(sbi, *bio, DATA); in add_ipu_page()
834 up_write(&io->bio_list_lock); in add_ipu_page()
853 struct f2fs_bio_info *io = sbi->write_io[DATA] + temp; in f2fs_submit_merged_ipu_write()
854 struct list_head *head = &io->bio_list; in f2fs_submit_merged_ipu_write()
860 down_read(&io->bio_list_lock); in f2fs_submit_merged_ipu_write()
863 found = (target == be->bio); in f2fs_submit_merged_ipu_write()
865 found = __has_merged_page(be->bio, NULL, in f2fs_submit_merged_ipu_write()
870 up_read(&io->bio_list_lock); in f2fs_submit_merged_ipu_write()
877 down_write(&io->bio_list_lock); in f2fs_submit_merged_ipu_write()
880 found = (target == be->bio); in f2fs_submit_merged_ipu_write()
882 found = __has_merged_page(be->bio, NULL, in f2fs_submit_merged_ipu_write()
885 target = be->bio; in f2fs_submit_merged_ipu_write()
890 up_write(&io->bio_list_lock); in f2fs_submit_merged_ipu_write()
894 __submit_bio(sbi, target, DATA); in f2fs_submit_merged_ipu_write()
903 struct bio *bio = *fio->bio; in f2fs_merge_page_bio()
904 struct page *page = fio->encrypted_page ? in f2fs_merge_page_bio()
905 fio->encrypted_page : fio->page; in f2fs_merge_page_bio()
907 if (!f2fs_is_valid_blkaddr(fio->sbi, fio->new_blkaddr, in f2fs_merge_page_bio()
909 return -EFSCORRUPTED; in f2fs_merge_page_bio()
914 if (bio && !page_is_mergeable(fio->sbi, bio, *fio->last_block, in f2fs_merge_page_bio()
915 fio->new_blkaddr)) in f2fs_merge_page_bio()
916 f2fs_submit_merged_ipu_write(fio->sbi, &bio, NULL); in f2fs_merge_page_bio()
921 f2fs_set_bio_crypt_ctx(bio, fio->page->mapping->host, in f2fs_merge_page_bio()
922 fio->page->index, fio, GFP_NOIO); in f2fs_merge_page_bio()
923 bio_set_op_attrs(bio, fio->op, fio->op_flags); in f2fs_merge_page_bio()
925 add_bio_entry(fio->sbi, bio, page, fio->temp); in f2fs_merge_page_bio()
931 if (fio->io_wbc) in f2fs_merge_page_bio()
932 wbc_account_cgroup_owner(fio->io_wbc, page, PAGE_SIZE); in f2fs_merge_page_bio()
934 inc_page_count(fio->sbi, WB_DATA_TYPE(page)); in f2fs_merge_page_bio()
936 *fio->last_block = fio->new_blkaddr; in f2fs_merge_page_bio()
937 *fio->bio = bio; in f2fs_merge_page_bio()
944 struct f2fs_sb_info *sbi = fio->sbi; in f2fs_submit_page_write()
945 enum page_type btype = PAGE_TYPE_OF_BIO(fio->type); in f2fs_submit_page_write()
946 struct f2fs_bio_info *io = sbi->write_io[btype] + fio->temp; in f2fs_submit_page_write()
949 f2fs_bug_on(sbi, is_read_io(fio->op)); in f2fs_submit_page_write()
951 down_write(&io->io_rwsem); in f2fs_submit_page_write()
953 if (fio->in_list) { in f2fs_submit_page_write()
954 spin_lock(&io->io_lock); in f2fs_submit_page_write()
955 if (list_empty(&io->io_list)) { in f2fs_submit_page_write()
956 spin_unlock(&io->io_lock); in f2fs_submit_page_write()
959 fio = list_first_entry(&io->io_list, in f2fs_submit_page_write()
961 list_del(&fio->list); in f2fs_submit_page_write()
962 spin_unlock(&io->io_lock); in f2fs_submit_page_write()
967 if (fio->encrypted_page) in f2fs_submit_page_write()
968 bio_page = fio->encrypted_page; in f2fs_submit_page_write()
969 else if (fio->compressed_page) in f2fs_submit_page_write()
970 bio_page = fio->compressed_page; in f2fs_submit_page_write()
972 bio_page = fio->page; in f2fs_submit_page_write()
975 fio->submitted = true; in f2fs_submit_page_write()
979 if (io->bio && in f2fs_submit_page_write()
980 (!io_is_mergeable(sbi, io->bio, io, fio, io->last_block_in_bio, in f2fs_submit_page_write()
981 fio->new_blkaddr) || in f2fs_submit_page_write()
982 !f2fs_crypt_mergeable_bio(io->bio, fio->page->mapping->host, in f2fs_submit_page_write()
983 bio_page->index, fio))) in f2fs_submit_page_write()
986 if (io->bio == NULL) { in f2fs_submit_page_write()
988 (fio->type == DATA || fio->type == NODE) && in f2fs_submit_page_write()
989 fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) { in f2fs_submit_page_write()
991 fio->retry = true; in f2fs_submit_page_write()
994 io->bio = __bio_alloc(fio, BIO_MAX_PAGES); in f2fs_submit_page_write()
995 f2fs_set_bio_crypt_ctx(io->bio, fio->page->mapping->host, in f2fs_submit_page_write()
996 bio_page->index, fio, GFP_NOIO); in f2fs_submit_page_write()
997 io->fio = *fio; in f2fs_submit_page_write()
1000 if (bio_add_page(io->bio, bio_page, PAGE_SIZE, 0) < PAGE_SIZE) { in f2fs_submit_page_write()
1005 if (fio->io_wbc) in f2fs_submit_page_write()
1006 wbc_account_cgroup_owner(fio->io_wbc, bio_page, PAGE_SIZE); in f2fs_submit_page_write()
1008 io->last_block_in_bio = fio->new_blkaddr; in f2fs_submit_page_write()
1011 trace_f2fs_submit_page_write(fio->page, fio); in f2fs_submit_page_write()
1013 if (fio->in_list) in f2fs_submit_page_write()
1019 up_write(&io->io_rwsem); in f2fs_submit_page_write()
1025 idx < DIV_ROUND_UP(inode->i_size, PAGE_SIZE); in f2fs_need_verity()
1040 return ERR_PTR(-ENOMEM); in f2fs_grab_read_bio()
1045 bio->bi_end_io = f2fs_read_end_io; in f2fs_grab_read_bio()
1058 ctx->bio = bio; in f2fs_grab_read_bio()
1059 ctx->sbi = sbi; in f2fs_grab_read_bio()
1060 ctx->enabled_steps = post_read_steps; in f2fs_grab_read_bio()
1061 bio->bi_private = ctx; in f2fs_grab_read_bio()
1069 if (bio->bi_private) in f2fs_release_read_bio()
1070 mempool_free(bio->bi_private, bio_post_read_ctx_pool); in f2fs_release_read_bio()
1082 page->index, for_write); in f2fs_submit_page_read()
1091 return -EFAULT; in f2fs_submit_page_read()
1096 __submit_bio(sbi, bio, DATA); in f2fs_submit_page_read()
1102 struct f2fs_node *rn = F2FS_NODE(dn->node_page); in __set_data_blkaddr()
1106 if (IS_INODE(dn->node_page) && f2fs_has_extra_attr(dn->inode)) in __set_data_blkaddr()
1107 base = get_extra_isize(dn->inode); in __set_data_blkaddr()
1109 /* Get physical address of data block */ in __set_data_blkaddr()
1111 addr_array[base + dn->ofs_in_node] = cpu_to_le32(dn->data_blkaddr); in __set_data_blkaddr()
1115 * Lock ordering for the change of data block address:
1116 * ->data_page
1117 * ->node_page
1122 f2fs_wait_on_page_writeback(dn->node_page, NODE, true, true); in f2fs_set_data_blkaddr()
1124 if (set_page_dirty(dn->node_page)) in f2fs_set_data_blkaddr()
1125 dn->node_changed = true; in f2fs_set_data_blkaddr()
1130 dn->data_blkaddr = blkaddr; in f2fs_update_data_blkaddr()
1135 /* dn->ofs_in_node will be returned with up-to-date last block pointer */
1138 struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); in f2fs_reserve_new_blocks()
1144 if (unlikely(is_inode_flag_set(dn->inode, FI_NO_ALLOC))) in f2fs_reserve_new_blocks()
1145 return -EPERM; in f2fs_reserve_new_blocks()
1146 if (unlikely((err = inc_valid_block_count(sbi, dn->inode, &count)))) in f2fs_reserve_new_blocks()
1149 trace_f2fs_reserve_new_blocks(dn->inode, dn->nid, in f2fs_reserve_new_blocks()
1150 dn->ofs_in_node, count); in f2fs_reserve_new_blocks()
1152 f2fs_wait_on_page_writeback(dn->node_page, NODE, true, true); in f2fs_reserve_new_blocks()
1154 for (; count > 0; dn->ofs_in_node++) { in f2fs_reserve_new_blocks()
1157 dn->data_blkaddr = NEW_ADDR; in f2fs_reserve_new_blocks()
1159 count--; in f2fs_reserve_new_blocks()
1163 if (set_page_dirty(dn->node_page)) in f2fs_reserve_new_blocks()
1164 dn->node_changed = true; in f2fs_reserve_new_blocks()
1168 /* Should keep dn->ofs_in_node unchanged */
1171 unsigned int ofs_in_node = dn->ofs_in_node; in f2fs_reserve_new_block()
1175 dn->ofs_in_node = ofs_in_node; in f2fs_reserve_new_block()
1181 bool need_put = dn->inode_page ? false : true; in f2fs_reserve_block()
1188 if (dn->data_blkaddr == NULL_ADDR) in f2fs_reserve_block()
1198 struct inode *inode = dn->inode; in f2fs_get_block()
1201 dn->data_blkaddr = ei.blk + index - ei.fofs; in f2fs_get_block()
1211 struct address_space *mapping = inode->i_mapping; in f2fs_get_read_data_page() local
1217 page = f2fs_grab_cache_page(mapping, index, for_write); in f2fs_get_read_data_page()
1219 return ERR_PTR(-ENOMEM); in f2fs_get_read_data_page()
1222 dn.data_blkaddr = ei.blk + index - ei.fofs; in f2fs_get_read_data_page()
1225 err = -EFSCORRUPTED; in f2fs_get_read_data_page()
1238 err = -ENOENT; in f2fs_get_read_data_page()
1245 err = -EFSCORRUPTED; in f2fs_get_read_data_page()
1256 * new inode page couldn't be allocated due to -ENOSPC. in f2fs_get_read_data_page()
1258 * see, f2fs_add_link -> f2fs_get_new_data_page -> in f2fs_get_read_data_page()
1282 struct address_space *mapping = inode->i_mapping; in f2fs_find_data_page() local
1285 page = find_get_page(mapping, index); in f2fs_find_data_page()
1300 return ERR_PTR(-EIO); in f2fs_find_data_page()
1313 struct address_space *mapping = inode->i_mapping; in f2fs_get_lock_data_page() local
1322 if (unlikely(page->mapping != mapping)) { in f2fs_get_lock_data_page()
1328 return ERR_PTR(-EIO); in f2fs_get_lock_data_page()
1334 * Caller ensures that this data page is never allocated.
1335 * A new zero-filled data page is allocated in the page cache.
1345 struct address_space *mapping = inode->i_mapping; in f2fs_get_new_data_page() local
1350 page = f2fs_grab_cache_page(mapping, index, true); in f2fs_get_new_data_page()
1357 return ERR_PTR(-ENOMEM); in f2fs_get_new_data_page()
1394 struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); in __allocate_data_block()
1401 if (unlikely(is_inode_flag_set(dn->inode, FI_NO_ALLOC))) in __allocate_data_block()
1402 return -EPERM; in __allocate_data_block()
1404 err = f2fs_get_node_info(sbi, dn->nid, &ni); in __allocate_data_block()
1408 dn->data_blkaddr = f2fs_data_blkaddr(dn); in __allocate_data_block()
1409 if (dn->data_blkaddr != NULL_ADDR) in __allocate_data_block()
1412 if (unlikely((err = inc_valid_block_count(sbi, dn->inode, &count)))) in __allocate_data_block()
1416 set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version); in __allocate_data_block()
1417 old_blkaddr = dn->data_blkaddr; in __allocate_data_block()
1418 f2fs_allocate_data_block(sbi, NULL, old_blkaddr, &dn->data_blkaddr, in __allocate_data_block()
1423 f2fs_update_data_blkaddr(dn, dn->data_blkaddr); in __allocate_data_block()
1427 * data from unwritten block via dio_read. in __allocate_data_block()
1434 struct inode *inode = file_inode(iocb->ki_filp); in f2fs_preallocate_blocks()
1438 bool direct_io = iocb->ki_flags & IOCB_DIRECT; in f2fs_preallocate_blocks()
1440 map.m_lblk = F2FS_BLK_ALIGN(iocb->ki_pos); in f2fs_preallocate_blocks()
1441 map.m_len = F2FS_BYTES_TO_BLK(iocb->ki_pos + iov_iter_count(from)); in f2fs_preallocate_blocks()
1443 map.m_len -= map.m_lblk; in f2fs_preallocate_blocks()
1453 map.m_seg_type = f2fs_rw_hint_to_seg_type(iocb->ki_hint); in f2fs_preallocate_blocks()
1459 if (iocb->ki_pos + iov_iter_count(from) > MAX_INLINE_DATA(inode)) { in f2fs_preallocate_blocks()
1471 if (map.m_len > 0 && err == -ENOSPC) { in f2fs_preallocate_blocks()
1483 down_read(&sbi->node_change); in f2fs_do_map_lock()
1485 up_read(&sbi->node_change); in f2fs_do_map_lock()
1495 * f2fs_map_blocks() tries to find or build mapping relationship which
1502 unsigned int maxblocks = map->m_len; in f2fs_map_blocks()
1505 int mode = map->m_may_create ? ALLOC_NODE : LOOKUP_NODE; in f2fs_map_blocks()
1517 map->m_len = 0; in f2fs_map_blocks()
1518 map->m_flags = 0; in f2fs_map_blocks()
1521 pgofs = (pgoff_t)map->m_lblk; in f2fs_map_blocks()
1526 map->m_may_create) in f2fs_map_blocks()
1529 map->m_pblk = ei.blk + pgofs - ei.fofs; in f2fs_map_blocks()
1530 map->m_len = min((pgoff_t)maxblocks, ei.fofs + ei.len - pgofs); in f2fs_map_blocks()
1531 map->m_flags = F2FS_MAP_MAPPED; in f2fs_map_blocks()
1532 if (map->m_next_extent) in f2fs_map_blocks()
1533 *map->m_next_extent = pgofs + map->m_len; in f2fs_map_blocks()
1538 map->m_pblk, map->m_len); in f2fs_map_blocks()
1543 if (map->m_may_create) in f2fs_map_blocks()
1551 map->m_pblk = 0; in f2fs_map_blocks()
1552 if (err == -ENOENT) { in f2fs_map_blocks()
1554 if (map->m_next_pgofs) in f2fs_map_blocks()
1555 *map->m_next_pgofs = in f2fs_map_blocks()
1557 if (map->m_next_extent) in f2fs_map_blocks()
1558 *map->m_next_extent = in f2fs_map_blocks()
1574 err = -EFSCORRUPTED; in f2fs_map_blocks()
1579 /* use out-place-update for driect IO under LFS mode */ in f2fs_map_blocks()
1581 map->m_may_create) { in f2fs_map_blocks()
1582 err = __allocate_data_block(&dn, map->m_seg_type); in f2fs_map_blocks()
1591 err = -EIO; in f2fs_map_blocks()
1603 map->m_seg_type); in f2fs_map_blocks()
1609 map->m_flags |= F2FS_MAP_NEW; in f2fs_map_blocks()
1613 map->m_pblk = 0; in f2fs_map_blocks()
1620 if (map->m_next_pgofs) in f2fs_map_blocks()
1621 *map->m_next_pgofs = pgofs + 1; in f2fs_map_blocks()
1626 if (map->m_next_pgofs) in f2fs_map_blocks()
1627 *map->m_next_pgofs = pgofs + 1; in f2fs_map_blocks()
1636 if (map->m_len == 0) { in f2fs_map_blocks()
1639 map->m_flags |= F2FS_MAP_UNWRITTEN; in f2fs_map_blocks()
1640 map->m_flags |= F2FS_MAP_MAPPED; in f2fs_map_blocks()
1642 map->m_pblk = blkaddr; in f2fs_map_blocks()
1643 map->m_len = 1; in f2fs_map_blocks()
1644 } else if ((map->m_pblk != NEW_ADDR && in f2fs_map_blocks()
1645 blkaddr == (map->m_pblk + ofs)) || in f2fs_map_blocks()
1646 (map->m_pblk == NEW_ADDR && blkaddr == NEW_ADDR) || in f2fs_map_blocks()
1649 map->m_len++; in f2fs_map_blocks()
1667 map->m_len += dn.ofs_in_node - ofs_in_node; in f2fs_map_blocks()
1669 err = -ENOSPC; in f2fs_map_blocks()
1681 if (map->m_flags & F2FS_MAP_MAPPED) { in f2fs_map_blocks()
1682 unsigned int ofs = start_pgofs - map->m_lblk; in f2fs_map_blocks()
1685 start_pgofs, map->m_pblk + ofs, in f2fs_map_blocks()
1686 map->m_len - ofs); in f2fs_map_blocks()
1692 if (map->m_may_create) { in f2fs_map_blocks()
1701 if (flag == F2FS_GET_BLOCK_DIO && map->m_flags & F2FS_MAP_MAPPED) in f2fs_map_blocks()
1703 map->m_pblk, map->m_len); in f2fs_map_blocks()
1706 if (map->m_flags & F2FS_MAP_MAPPED) { in f2fs_map_blocks()
1707 unsigned int ofs = start_pgofs - map->m_lblk; in f2fs_map_blocks()
1710 start_pgofs, map->m_pblk + ofs, in f2fs_map_blocks()
1711 map->m_len - ofs); in f2fs_map_blocks()
1713 if (map->m_next_extent) in f2fs_map_blocks()
1714 *map->m_next_extent = pgofs + 1; in f2fs_map_blocks()
1718 if (map->m_may_create) { in f2fs_map_blocks()
1744 map.m_len = last_lblk - map.m_lblk; in f2fs_overwrite_io()
1761 map.m_len = bh->b_size >> inode->i_blkbits; in __get_data_block()
1769 map_bh(bh, inode->i_sb, map.m_pblk); in __get_data_block()
1770 bh->b_state = (bh->b_state & ~F2FS_MAP_FLAGS) | map.m_flags; in __get_data_block()
1771 bh->b_size = (u64)map.m_len << inode->i_blkbits; in __get_data_block()
1790 f2fs_rw_hint_to_seg_type(inode->i_write_hint), in get_data_block_dio_write()
1799 f2fs_rw_hint_to_seg_type(inode->i_write_hint), in get_data_block_dio()
1813 return (offset >> inode->i_blkbits); in logical_to_blk()
1818 return (blk << inode->i_blkbits); in blk_to_logical()
1829 nid_t xnid = F2FS_I(inode)->i_xattr_nid; in f2fs_xattr_fiemap()
1836 inode->i_ino, false); in f2fs_xattr_fiemap()
1838 return -ENOMEM; in f2fs_xattr_fiemap()
1840 err = f2fs_get_node_info(sbi, inode->i_ino, &ni); in f2fs_xattr_fiemap()
1848 sizeof(__le32) * (DEF_ADDRS_PER_INODE - in f2fs_xattr_fiemap()
1870 return -ENOMEM; in f2fs_xattr_fiemap()
1879 len = inode->i_sb->s_blocksize; in f2fs_xattr_fiemap()
1923 unsigned int cluster_size = F2FS_I(inode)->i_cluster_size; in f2fs_fiemap()
1925 if (fieinfo->fi_flags & FIEMAP_FLAG_CACHE) { in f2fs_fiemap()
1937 if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR) { in f2fs_fiemap()
1944 if (ret != -EAGAIN) in f2fs_fiemap()
1952 last_blk = logical_to_blk(inode, start + len - 1); in f2fs_fiemap()
1959 map_bh.b_size = blk_to_logical(inode, cluster_size - 1); in f2fs_fiemap()
1996 logical = blk_to_logical(inode, start_blk - 1); in f2fs_fiemap()
2002 start_blk += cluster_size - 1; in f2fs_fiemap()
2028 ret = -EINTR; in f2fs_fiemap()
2043 return inode->i_sb->s_maxbytes; in f2fs_readpage_limit()
2056 const unsigned blkbits = inode->i_blkbits; in f2fs_read_single_page()
2066 last_block_in_file = (f2fs_readpage_limit(inode) + blocksize - 1) >> in f2fs_read_single_page()
2077 if ((map->m_flags & F2FS_MAP_MAPPED) && in f2fs_read_single_page()
2078 block_in_file > map->m_lblk && in f2fs_read_single_page()
2079 block_in_file < (map->m_lblk + map->m_len)) in f2fs_read_single_page()
2086 map->m_lblk = block_in_file; in f2fs_read_single_page()
2087 map->m_len = last_block - block_in_file; in f2fs_read_single_page()
2093 if ((map->m_flags & F2FS_MAP_MAPPED)) { in f2fs_read_single_page()
2094 block_nr = map->m_pblk + block_in_file - map->m_lblk; in f2fs_read_single_page()
2105 ret = -EFSCORRUPTED; in f2fs_read_single_page()
2111 if (f2fs_need_verity(inode, page->index) && in f2fs_read_single_page()
2113 ret = -EIO; in f2fs_read_single_page()
2128 !f2fs_crypt_mergeable_bio(bio, inode, page->index, NULL))) { in f2fs_read_single_page()
2130 __submit_bio(F2FS_I_SB(inode), bio, DATA); in f2fs_read_single_page()
2135 is_readahead ? REQ_RAHEAD : 0, page->index, in f2fs_read_single_page()
2146 * its completion to see the correct decrypted data. in f2fs_read_single_page()
2160 __submit_bio(F2FS_I_SB(inode), bio, DATA); in f2fs_read_single_page()
2175 struct inode *inode = cc->inode; in f2fs_read_multi_pages()
2178 unsigned int start_idx = cc->cluster_idx << cc->log_cluster_size; in f2fs_read_multi_pages()
2180 const unsigned blkbits = inode->i_blkbits; in f2fs_read_multi_pages()
2189 blocksize - 1) >> blkbits; in f2fs_read_multi_pages()
2192 for (i = 0; i < cc->cluster_size; i++) { in f2fs_read_multi_pages()
2193 struct page *page = cc->rpages[i]; in f2fs_read_multi_pages()
2197 if ((sector_t)page->index >= last_block_in_file) { in f2fs_read_multi_pages()
2205 cc->rpages[i] = NULL; in f2fs_read_multi_pages()
2206 cc->nr_rpages--; in f2fs_read_multi_pages()
2220 for (i = 1; i < cc->cluster_size; i++) { in f2fs_read_multi_pages()
2230 ret = -EFAULT; in f2fs_read_multi_pages()
2233 cc->nr_cpages++; in f2fs_read_multi_pages()
2237 if (cc->nr_cpages == 0) { in f2fs_read_multi_pages()
2248 for (i = 0; i < dic->nr_cpages; i++) { in f2fs_read_multi_pages()
2249 struct page *page = dic->cpages[i]; in f2fs_read_multi_pages()
2258 !f2fs_crypt_mergeable_bio(bio, inode, page->index, NULL))) { in f2fs_read_multi_pages()
2260 __submit_bio(sbi, bio, DATA); in f2fs_read_multi_pages()
2267 page->index, for_write); in f2fs_read_multi_pages()
2270 dic->failed = true; in f2fs_read_multi_pages()
2271 if (!atomic_sub_return(dic->nr_cpages - i, in f2fs_read_multi_pages()
2272 &dic->pending_pages)) { in f2fs_read_multi_pages()
2273 f2fs_decompress_end_io(dic->rpages, in f2fs_read_multi_pages()
2274 cc->cluster_size, true, in f2fs_read_multi_pages()
2290 ctx = bio->bi_private; in f2fs_read_multi_pages()
2291 if (!(ctx->enabled_steps & (1 << STEP_DECOMPRESS))) in f2fs_read_multi_pages()
2292 ctx->enabled_steps |= 1 << STEP_DECOMPRESS; in f2fs_read_multi_pages()
2309 f2fs_decompress_end_io(cc->rpages, cc->cluster_size, true, false); in f2fs_read_multi_pages()
2319 * Note that the aops->readpages() function is ONLY used for read-ahead. If
2320 * this function ever deviates from doing just read-ahead, it should either
2321 * use ->readpage() or do the necessary surgery to decouple ->readpages()
2322 * from read-ahead.
2333 .log_cluster_size = F2FS_I(inode)->i_log_cluster_size, in f2fs_mpage_readpages()
2334 .cluster_size = F2FS_I(inode)->i_cluster_size, in f2fs_mpage_readpages()
2361 if (READ_ONCE(F2FS_I(inode)->ra_offset) == readahead_index(rac)) in f2fs_mpage_readpages()
2364 WRITE_ONCE(F2FS_I(inode)->ra_offset, in f2fs_mpage_readpages()
2368 for (; nr_pages; nr_pages--) { in f2fs_mpage_readpages()
2371 prefetchw(&page->flags); in f2fs_mpage_readpages()
2381 if (!f2fs_cluster_can_merge_page(&cc, page->index)) { in f2fs_mpage_readpages()
2390 ret = f2fs_is_compressed_cluster(inode, page->index); in f2fs_mpage_readpages()
2437 __submit_bio(F2FS_I_SB(inode), bio, DATA); in f2fs_mpage_readpages()
2440 WRITE_ONCE(F2FS_I(inode)->ra_offset, -1); in f2fs_mpage_readpages()
2446 struct inode *inode = page_file_mapping(page)->host; in f2fs_read_data_page()
2447 int ret = -EAGAIN; in f2fs_read_data_page()
2449 trace_f2fs_readpage(page, DATA); in f2fs_read_data_page()
2453 return -EOPNOTSUPP; in f2fs_read_data_page()
2456 /* If the file has inline data, try to read it directly */ in f2fs_read_data_page()
2459 if (ret == -EAGAIN) in f2fs_read_data_page()
2466 struct inode *inode = rac->mapping->host; in f2fs_readahead()
2473 /* If the file has inline data, skip readpages */ in f2fs_readahead()
2482 struct inode *inode = fio->page->mapping->host; in f2fs_encrypt_one_page()
2489 page = fio->compressed_page ? fio->compressed_page : fio->page; in f2fs_encrypt_one_page()
2492 f2fs_wait_on_block_writeback(inode, fio->old_blkaddr); in f2fs_encrypt_one_page()
2498 fio->encrypted_page = fscrypt_encrypt_pagecache_blocks(page, in f2fs_encrypt_one_page()
2500 if (IS_ERR(fio->encrypted_page)) { in f2fs_encrypt_one_page()
2502 if (PTR_ERR(fio->encrypted_page) == -ENOMEM) { in f2fs_encrypt_one_page()
2503 f2fs_flush_merged_writes(fio->sbi); in f2fs_encrypt_one_page()
2508 return PTR_ERR(fio->encrypted_page); in f2fs_encrypt_one_page()
2511 mpage = find_lock_page(META_MAPPING(fio->sbi), fio->old_blkaddr); in f2fs_encrypt_one_page()
2515 page_address(fio->encrypted_page), PAGE_SIZE); in f2fs_encrypt_one_page()
2525 unsigned int policy = SM_I(sbi)->ipu_policy; in check_inplace_update_policy()
2532 utilization(sbi) > SM_I(sbi)->min_ipu_util) in check_inplace_update_policy()
2535 utilization(sbi) > SM_I(sbi)->min_ipu_util) in check_inplace_update_policy()
2542 fio && fio->op == REQ_OP_WRITE && in check_inplace_update_policy()
2543 !(fio->op_flags & REQ_SYNC) && in check_inplace_update_policy()
2553 !f2fs_is_checkpointed_data(sbi, fio->old_blkaddr))) in check_inplace_update_policy()
2577 if (S_ISDIR(inode->i_mode)) in f2fs_should_update_outplace()
2584 if (is_cold_data(fio->page)) in f2fs_should_update_outplace()
2586 if (IS_ATOMIC_WRITTEN_PAGE(fio->page)) in f2fs_should_update_outplace()
2589 f2fs_is_checkpointed_data(sbi, fio->old_blkaddr))) in f2fs_should_update_outplace()
2597 struct inode *inode = fio->page->mapping->host; in need_inplace_update()
2607 struct page *page = fio->page; in f2fs_do_write_data_page()
2608 struct inode *inode = page->mapping->host; in f2fs_do_write_data_page()
2617 f2fs_lookup_extent_cache(inode, page->index, &ei)) { in f2fs_do_write_data_page()
2618 fio->old_blkaddr = ei.blk + page->index - ei.fofs; in f2fs_do_write_data_page()
2620 if (!f2fs_is_valid_blkaddr(fio->sbi, fio->old_blkaddr, in f2fs_do_write_data_page()
2622 return -EFSCORRUPTED; in f2fs_do_write_data_page()
2625 fio->need_lock = LOCK_DONE; in f2fs_do_write_data_page()
2629 /* Deadlock due to between page->lock and f2fs_lock_op */ in f2fs_do_write_data_page()
2630 if (fio->need_lock == LOCK_REQ && !f2fs_trylock_op(fio->sbi)) in f2fs_do_write_data_page()
2631 return -EAGAIN; in f2fs_do_write_data_page()
2633 err = f2fs_get_dnode_of_data(&dn, page->index, LOOKUP_NODE); in f2fs_do_write_data_page()
2637 fio->old_blkaddr = dn.data_blkaddr; in f2fs_do_write_data_page()
2640 if (fio->old_blkaddr == NULL_ADDR) { in f2fs_do_write_data_page()
2646 if (__is_valid_data_blkaddr(fio->old_blkaddr) && in f2fs_do_write_data_page()
2647 !f2fs_is_valid_blkaddr(fio->sbi, fio->old_blkaddr, in f2fs_do_write_data_page()
2649 err = -EFSCORRUPTED; in f2fs_do_write_data_page()
2654 * it had better in-place writes for updated data. in f2fs_do_write_data_page()
2657 (__is_valid_data_blkaddr(fio->old_blkaddr) && in f2fs_do_write_data_page()
2666 if (fio->need_lock == LOCK_REQ) in f2fs_do_write_data_page()
2667 f2fs_unlock_op(fio->sbi); in f2fs_do_write_data_page()
2671 fscrypt_finalize_bounce_page(&fio->encrypted_page); in f2fs_do_write_data_page()
2677 trace_f2fs_do_write_data_page(fio->page, IPU); in f2fs_do_write_data_page()
2681 if (fio->need_lock == LOCK_RETRY) { in f2fs_do_write_data_page()
2682 if (!f2fs_trylock_op(fio->sbi)) { in f2fs_do_write_data_page()
2683 err = -EAGAIN; in f2fs_do_write_data_page()
2686 fio->need_lock = LOCK_REQ; in f2fs_do_write_data_page()
2689 err = f2fs_get_node_info(fio->sbi, dn.nid, &ni); in f2fs_do_write_data_page()
2693 fio->version = ni.version; in f2fs_do_write_data_page()
2702 if (fio->compr_blocks && fio->old_blkaddr == COMPRESS_ADDR) in f2fs_do_write_data_page()
2703 f2fs_i_compr_blocks_update(inode, fio->compr_blocks - 1, false); in f2fs_do_write_data_page()
2709 if (page->index == 0) in f2fs_do_write_data_page()
2714 if (fio->need_lock == LOCK_REQ) in f2fs_do_write_data_page()
2715 f2fs_unlock_op(fio->sbi); in f2fs_do_write_data_page()
2726 struct inode *inode = page->mapping->host; in f2fs_write_single_data_page()
2731 loff_t psize = (loff_t)(page->index + 1) << PAGE_SHIFT; in f2fs_write_single_data_page()
2737 .ino = inode->i_ino, in f2fs_write_single_data_page()
2738 .type = DATA, in f2fs_write_single_data_page()
2753 trace_f2fs_writepage(page, DATA); in f2fs_write_single_data_page()
2755 /* we should bypass data pages to proceed the kworkder jobs */ in f2fs_write_single_data_page()
2757 mapping_set_error(page->mapping, -EIO); in f2fs_write_single_data_page()
2762 if (S_ISDIR(inode->i_mode)) in f2fs_write_single_data_page()
2770 if (page->index < end_index || in f2fs_write_single_data_page()
2776 * If the offset is out-of-range of file size, in f2fs_write_single_data_page()
2779 offset = i_size & (PAGE_SIZE - 1); in f2fs_write_single_data_page()
2780 if ((page->index >= end_index + 1) || !offset) in f2fs_write_single_data_page()
2788 if (f2fs_is_volatile_file(inode) && (!page->index || in f2fs_write_single_data_page()
2789 (!wbc->for_reclaim && in f2fs_write_single_data_page()
2794 if (S_ISDIR(inode->i_mode) || IS_NOQUOTA(inode)) { in f2fs_write_single_data_page()
2801 down_read(&sbi->node_write); in f2fs_write_single_data_page()
2807 up_read(&sbi->node_write); in f2fs_write_single_data_page()
2812 if (!wbc->for_reclaim) in f2fs_write_single_data_page()
2819 err = -EAGAIN; in f2fs_write_single_data_page()
2826 if (err == -EAGAIN) { in f2fs_write_single_data_page()
2828 if (err == -EAGAIN) { in f2fs_write_single_data_page()
2837 spin_lock(&F2FS_I(inode)->i_size_lock); in f2fs_write_single_data_page()
2838 if (F2FS_I(inode)->last_disk_size < psize) in f2fs_write_single_data_page()
2839 F2FS_I(inode)->last_disk_size = psize; in f2fs_write_single_data_page()
2840 spin_unlock(&F2FS_I(inode)->i_size_lock); in f2fs_write_single_data_page()
2844 if (err && err != -ENOENT) in f2fs_write_single_data_page()
2854 if (wbc->for_reclaim) { in f2fs_write_single_data_page()
2855 f2fs_submit_merged_write_cond(sbi, NULL, page, 0, DATA); in f2fs_write_single_data_page()
2861 if (!S_ISDIR(inode->i_mode) && !IS_NOQUOTA(inode) && in f2fs_write_single_data_page()
2862 !F2FS_I(inode)->cp_task) in f2fs_write_single_data_page()
2866 f2fs_submit_merged_write(sbi, DATA); in f2fs_write_single_data_page()
2880 * -> mapping_set_error() -> set_bit(AS_EIO, ...). in f2fs_write_single_data_page()
2884 if (!err || wbc->for_reclaim) in f2fs_write_single_data_page()
2894 struct inode *inode = page->mapping->host; in f2fs_write_data_page()
2900 if (f2fs_is_compressed_cluster(inode, page->index)) { in f2fs_write_data_page()
2913 * This function was copied from write_cche_pages from mm/page-writeback.c.
2914 * The major change is making write step of cold data page separately from
2915 * warm/hot data page.
2917 static int f2fs_write_cache_pages(struct address_space *mapping, in f2fs_write_cache_pages() argument
2924 struct f2fs_sb_info *sbi = F2FS_M_SB(mapping); in f2fs_write_cache_pages()
2928 struct inode *inode = mapping->host; in f2fs_write_cache_pages()
2931 .log_cluster_size = F2FS_I(inode)->i_log_cluster_size, in f2fs_write_cache_pages()
2932 .cluster_size = F2FS_I(inode)->i_cluster_size, in f2fs_write_cache_pages()
2939 .rlen = PAGE_SIZE * F2FS_I(inode)->i_cluster_size, in f2fs_write_cache_pages()
2955 if (get_dirty_pages(mapping->host) <= in f2fs_write_cache_pages()
2956 SM_I(F2FS_M_SB(mapping))->min_hot_blocks) in f2fs_write_cache_pages()
2957 set_inode_flag(mapping->host, FI_HOT_DATA); in f2fs_write_cache_pages()
2959 clear_inode_flag(mapping->host, FI_HOT_DATA); in f2fs_write_cache_pages()
2961 if (wbc->range_cyclic) { in f2fs_write_cache_pages()
2962 index = mapping->writeback_index; /* prev offset */ in f2fs_write_cache_pages()
2963 end = -1; in f2fs_write_cache_pages()
2965 index = wbc->range_start >> PAGE_SHIFT; in f2fs_write_cache_pages()
2966 end = wbc->range_end >> PAGE_SHIFT; in f2fs_write_cache_pages()
2967 if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) in f2fs_write_cache_pages()
2970 if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages) in f2fs_write_cache_pages()
2976 if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages) in f2fs_write_cache_pages()
2977 tag_pages_for_writeback(mapping, index, end); in f2fs_write_cache_pages()
2980 nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, end, in f2fs_write_cache_pages()
2999 page->index)) { in f2fs_write_cache_pages()
3017 page->index, &fsdata); in f2fs_write_cache_pages()
3024 fsdata, page->index, in f2fs_write_cache_pages()
3035 if (atomic_read(&sbi->wb_sync_req[DATA]) && in f2fs_write_cache_pages()
3036 wbc->sync_mode == WB_SYNC_NONE) { in f2fs_write_cache_pages()
3043 done_index = page->index; in f2fs_write_cache_pages()
3047 if (unlikely(page->mapping != mapping)) { in f2fs_write_cache_pages()
3059 if (wbc->sync_mode != WB_SYNC_NONE) in f2fs_write_cache_pages()
3061 DATA, true, true); in f2fs_write_cache_pages()
3084 wbc->nr_to_write -= submitted; in f2fs_write_cache_pages()
3094 } else if (ret == -EAGAIN) { in f2fs_write_cache_pages()
3096 if (wbc->sync_mode == WB_SYNC_ALL) { in f2fs_write_cache_pages()
3104 done_index = page->index + 1; in f2fs_write_cache_pages()
3109 if (wbc->nr_to_write <= 0 && in f2fs_write_cache_pages()
3110 wbc->sync_mode == WB_SYNC_NONE) { in f2fs_write_cache_pages()
3126 wbc->nr_to_write -= submitted; in f2fs_write_cache_pages()
3137 end = -1; in f2fs_write_cache_pages()
3140 if (wbc->range_cyclic && !done) in f2fs_write_cache_pages()
3142 if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) in f2fs_write_cache_pages()
3143 mapping->writeback_index = done_index; in f2fs_write_cache_pages()
3146 f2fs_submit_merged_write_cond(F2FS_M_SB(mapping), mapping->host, in f2fs_write_cache_pages()
3147 NULL, 0, DATA); in f2fs_write_cache_pages()
3158 /* to avoid deadlock in path of data flush */ in __should_serialize_io()
3159 if (F2FS_I(inode)->cp_task) in __should_serialize_io()
3162 if (!S_ISREG(inode->i_mode)) in __should_serialize_io()
3169 if (wbc->sync_mode != WB_SYNC_ALL) in __should_serialize_io()
3171 if (get_dirty_pages(inode) >= SM_I(F2FS_I_SB(inode))->min_seq_blocks) in __should_serialize_io()
3176 static int __f2fs_write_data_pages(struct address_space *mapping, in __f2fs_write_data_pages() argument
3180 struct inode *inode = mapping->host; in __f2fs_write_data_pages()
3187 if (!mapping->a_ops->writepage) in __f2fs_write_data_pages()
3191 if (!get_dirty_pages(inode) && wbc->sync_mode == WB_SYNC_NONE) in __f2fs_write_data_pages()
3198 if ((S_ISDIR(inode->i_mode) || IS_NOQUOTA(inode)) && in __f2fs_write_data_pages()
3199 wbc->sync_mode == WB_SYNC_NONE && in __f2fs_write_data_pages()
3200 get_dirty_pages(inode) < nr_pages_to_skip(sbi, DATA) && in __f2fs_write_data_pages()
3208 trace_f2fs_writepages(mapping->host, wbc, DATA); in __f2fs_write_data_pages()
3211 if (wbc->sync_mode == WB_SYNC_ALL) in __f2fs_write_data_pages()
3212 atomic_inc(&sbi->wb_sync_req[DATA]); in __f2fs_write_data_pages()
3213 else if (atomic_read(&sbi->wb_sync_req[DATA])) in __f2fs_write_data_pages()
3217 mutex_lock(&sbi->writepages); in __f2fs_write_data_pages()
3222 ret = f2fs_write_cache_pages(mapping, wbc, io_type); in __f2fs_write_data_pages()
3226 mutex_unlock(&sbi->writepages); in __f2fs_write_data_pages()
3228 if (wbc->sync_mode == WB_SYNC_ALL) in __f2fs_write_data_pages()
3229 atomic_dec(&sbi->wb_sync_req[DATA]); in __f2fs_write_data_pages()
3231 * if some pages were truncated, we cannot guarantee its mapping->host in __f2fs_write_data_pages()
3239 wbc->pages_skipped += get_dirty_pages(inode); in __f2fs_write_data_pages()
3240 trace_f2fs_writepages(mapping->host, wbc, DATA); in __f2fs_write_data_pages()
3244 static int f2fs_write_data_pages(struct address_space *mapping, in f2fs_write_data_pages() argument
3247 struct inode *inode = mapping->host; in f2fs_write_data_pages()
3249 return __f2fs_write_data_pages(mapping, wbc, in f2fs_write_data_pages()
3250 F2FS_I(inode)->cp_task == current ? in f2fs_write_data_pages()
3254 static void f2fs_write_failed(struct address_space *mapping, loff_t to) in f2fs_write_failed() argument
3256 struct inode *inode = mapping->host; in f2fs_write_failed()
3262 /* In the fs-verity case, f2fs_end_enable_verity() does the truncate */ in f2fs_write_failed()
3264 down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); in f2fs_write_failed()
3265 down_write(&F2FS_I(inode)->i_mmap_sem); in f2fs_write_failed()
3270 up_write(&F2FS_I(inode)->i_mmap_sem); in f2fs_write_failed()
3271 up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); in f2fs_write_failed()
3279 struct inode *inode = page->mapping->host; in prepare_write_begin()
3280 pgoff_t index = page->index; in prepare_write_begin()
3311 ipage = f2fs_get_node_page(sbi, inode->i_ino); in prepare_write_begin()
3323 if (inode->i_nlink) in prepare_write_begin()
3336 dn.data_blkaddr = ei.blk + index - ei.fofs; in prepare_write_begin()
3362 static int f2fs_write_begin(struct file *file, struct address_space *mapping, in f2fs_write_begin() argument
3366 struct inode *inode = mapping->host; in f2fs_write_begin()
3377 err = -ENOSPC; in f2fs_write_begin()
3384 err = -ENOMEM; in f2fs_write_begin()
3392 * lock_page(page #0) -> lock_page(inode_page) in f2fs_write_begin()
3422 page = f2fs_pagecache_get_page(mapping, index, in f2fs_write_begin()
3425 err = -ENOMEM; in f2fs_write_begin()
3443 if (page->mapping != mapping) { in f2fs_write_begin()
3450 f2fs_wait_on_page_writeback(page, DATA, false, true); in f2fs_write_begin()
3455 if (!(pos & (PAGE_SIZE - 1)) && (pos + len) >= i_size_read(inode) && in f2fs_write_begin()
3467 err = -EFSCORRUPTED; in f2fs_write_begin()
3475 if (unlikely(page->mapping != mapping)) { in f2fs_write_begin()
3480 err = -EIO; in f2fs_write_begin()
3488 f2fs_write_failed(mapping, pos + len); in f2fs_write_begin()
3495 struct address_space *mapping, in f2fs_write_end() argument
3499 struct inode *inode = page->mapping->host; in f2fs_write_end()
3506 * let generic_perform_write() try to copy data again through copied=0. in f2fs_write_end()
3518 f2fs_compress_write_end(inode, fsdata, page->index, copied); in f2fs_write_end()
3545 unsigned i_blkbits = READ_ONCE(inode->i_blkbits); in check_direct_IO()
3547 unsigned blocksize_mask = (1 << blkbits) - 1; in check_direct_IO()
3549 struct block_device *bdev = inode->i_sb->s_bdev; in check_direct_IO()
3557 blocksize_mask = (1 << blkbits) - 1; in check_direct_IO()
3559 return -EINVAL; in check_direct_IO()
3567 struct f2fs_private_dio *dio = bio->bi_private; in f2fs_dio_end_io()
3569 dec_page_count(F2FS_I_SB(dio->inode), in f2fs_dio_end_io()
3570 dio->write ? F2FS_DIO_WRITE : F2FS_DIO_READ); in f2fs_dio_end_io()
3572 bio->bi_private = dio->orig_private; in f2fs_dio_end_io()
3573 bio->bi_end_io = dio->orig_end_io; in f2fs_dio_end_io()
3591 dio->inode = inode; in f2fs_dio_submit_bio()
3592 dio->orig_end_io = bio->bi_end_io; in f2fs_dio_submit_bio()
3593 dio->orig_private = bio->bi_private; in f2fs_dio_submit_bio()
3594 dio->write = write; in f2fs_dio_submit_bio()
3596 bio->bi_end_io = f2fs_dio_end_io; in f2fs_dio_submit_bio()
3597 bio->bi_private = dio; in f2fs_dio_submit_bio()
3605 bio->bi_status = BLK_STS_IOERR; in f2fs_dio_submit_bio()
3611 struct address_space *mapping = iocb->ki_filp->f_mapping; in f2fs_direct_IO() local
3612 struct inode *inode = mapping->host; in f2fs_direct_IO()
3616 loff_t offset = iocb->ki_pos; in f2fs_direct_IO()
3619 enum rw_hint hint = iocb->ki_hint; in f2fs_direct_IO()
3635 iocb->ki_hint = WRITE_LIFE_NOT_SET; in f2fs_direct_IO()
3637 if (iocb->ki_flags & IOCB_NOWAIT) { in f2fs_direct_IO()
3638 if (!down_read_trylock(&fi->i_gc_rwsem[rw])) { in f2fs_direct_IO()
3639 iocb->ki_hint = hint; in f2fs_direct_IO()
3640 err = -EAGAIN; in f2fs_direct_IO()
3643 if (do_opu && !down_read_trylock(&fi->i_gc_rwsem[READ])) { in f2fs_direct_IO()
3644 up_read(&fi->i_gc_rwsem[rw]); in f2fs_direct_IO()
3645 iocb->ki_hint = hint; in f2fs_direct_IO()
3646 err = -EAGAIN; in f2fs_direct_IO()
3650 down_read(&fi->i_gc_rwsem[rw]); in f2fs_direct_IO()
3652 down_read(&fi->i_gc_rwsem[READ]); in f2fs_direct_IO()
3655 err = __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, in f2fs_direct_IO()
3662 up_read(&fi->i_gc_rwsem[READ]); in f2fs_direct_IO()
3664 up_read(&fi->i_gc_rwsem[rw]); in f2fs_direct_IO()
3668 iocb->ki_hint = hint; in f2fs_direct_IO()
3674 } else if (err == -EIOCBQUEUED) { in f2fs_direct_IO()
3676 count - iov_iter_count(iter)); in f2fs_direct_IO()
3678 f2fs_write_failed(mapping, offset + count); in f2fs_direct_IO()
3683 else if (err == -EIOCBQUEUED) in f2fs_direct_IO()
3685 count - iov_iter_count(iter)); in f2fs_direct_IO()
3697 struct inode *inode = page->mapping->host; in f2fs_invalidate_page()
3700 if (inode->i_ino >= F2FS_ROOT_INO(sbi) && in f2fs_invalidate_page()
3705 if (inode->i_ino == F2FS_META_INO(sbi)) { in f2fs_invalidate_page()
3707 } else if (inode->i_ino == F2FS_NODE_INO(sbi)) { in f2fs_invalidate_page()
3740 struct inode *inode = page_file_mapping(page)->host; in f2fs_set_data_page_dirty()
3742 trace_f2fs_set_page_dirty(page, DATA); in f2fs_set_data_page_dirty()
3777 start_idx = round_down(block, F2FS_I(inode)->i_cluster_size); in f2fs_bmap_compress()
3785 dn.ofs_in_node += block - start_idx; in f2fs_bmap_compress()
3799 static sector_t f2fs_bmap(struct address_space *mapping, sector_t block) in f2fs_bmap() argument
3801 struct inode *inode = mapping->host; in f2fs_bmap()
3811 if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) in f2fs_bmap()
3812 filemap_write_and_wait(mapping); in f2fs_bmap()
3815 if (unlikely(block >= F2FS_I_SB(inode)->max_file_blocks)) in f2fs_bmap()
3832 int f2fs_migrate_page(struct address_space *mapping, in f2fs_migrate_page() argument
3836 struct f2fs_inode_info *fi = F2FS_I(mapping->host); in f2fs_migrate_page()
3844 return -EBUSY; in f2fs_migrate_page()
3845 if (!mutex_trylock(&fi->inmem_lock)) in f2fs_migrate_page()
3846 return -EAGAIN; in f2fs_migrate_page()
3851 rc = migrate_page_move_mapping(mapping, newpage, in f2fs_migrate_page()
3855 mutex_unlock(&fi->inmem_lock); in f2fs_migrate_page()
3861 list_for_each_entry(cur, &fi->inmem_pages, list) in f2fs_migrate_page()
3862 if (cur->page == page) { in f2fs_migrate_page()
3863 cur->page = newpage; in f2fs_migrate_page()
3866 mutex_unlock(&fi->inmem_lock); in f2fs_migrate_page()
3889 struct address_space *mapping = swap_file->f_mapping; in check_swap_activate_fast() local
3890 struct inode *inode = mapping->host; in check_swap_activate_fast()
3894 sector_t lowest_pblock = -1; in check_swap_activate_fast()
3909 while (cur_lblock <= last_lblock && cur_lblock < sis->max) { in check_swap_activate_fast()
3916 map_bh.b_size = len - cur_lblock; in check_swap_activate_fast()
3930 if (cur_lblock + nr_pblocks >= sis->max) in check_swap_activate_fast()
3931 nr_pblocks = sis->max - cur_lblock; in check_swap_activate_fast()
3936 if (pblock + nr_pblocks - 1 > highest_pblock) in check_swap_activate_fast()
3937 highest_pblock = pblock + nr_pblocks - 1; in check_swap_activate_fast()
3941 * We found a PAGE_SIZE-length, PAGE_SIZE-aligned run of blocks in check_swap_activate_fast()
3950 *span = 1 + highest_pblock - lowest_pblock; in check_swap_activate_fast()
3953 sis->max = cur_lblock; in check_swap_activate_fast()
3954 sis->pages = cur_lblock - 1; in check_swap_activate_fast()
3955 sis->highest_bit = cur_lblock - 1; in check_swap_activate_fast()
3960 return -EINVAL; in check_swap_activate_fast()
3967 struct address_space *mapping = swap_file->f_mapping; in check_swap_activate() local
3968 struct inode *inode = mapping->host; in check_swap_activate()
3974 sector_t lowest_block = -1; in check_swap_activate()
3982 blkbits = inode->i_blkbits; in check_swap_activate()
3993 page_no < sis->max) { in check_swap_activate()
4008 * It must be PAGE_SIZE aligned on-disk in check_swap_activate()
4010 if (first_block & (blocks_per_page - 1)) { in check_swap_activate()
4031 first_block >>= (PAGE_SHIFT - blkbits); in check_swap_activate()
4040 * We found a PAGE_SIZE-length, PAGE_SIZE-aligned run of blocks in check_swap_activate()
4052 *span = 1 + highest_block - lowest_block; in check_swap_activate()
4055 sis->max = page_no; in check_swap_activate()
4056 sis->pages = page_no - 1; in check_swap_activate()
4057 sis->highest_bit = page_no - 1; in check_swap_activate()
4062 return -EINVAL; in check_swap_activate()
4071 if (!S_ISREG(inode->i_mode)) in f2fs_swap_activate()
4072 return -EINVAL; in f2fs_swap_activate()
4074 if (f2fs_readonly(F2FS_I_SB(inode)->sb)) in f2fs_swap_activate()
4075 return -EROFS; in f2fs_swap_activate()
4082 return -EINVAL; in f2fs_swap_activate()
4104 return -EOPNOTSUPP; in f2fs_swap_activate()
4133 struct address_space *mapping = page_mapping(page); in f2fs_clear_page_cache_dirty_tag() local
4136 xa_lock_irqsave(&mapping->i_pages, flags); in f2fs_clear_page_cache_dirty_tag()
4137 __xa_clear_mark(&mapping->i_pages, page_index(page), in f2fs_clear_page_cache_dirty_tag()
4139 xa_unlock_irqrestore(&mapping->i_pages, flags); in f2fs_clear_page_cache_dirty_tag()
4159 return -ENOMEM; in f2fs_init_post_read_processing()
4175 sbi->post_read_wq = alloc_workqueue("f2fs_post_read_wq", in f2fs_init_post_read_wq()
4178 if (!sbi->post_read_wq) in f2fs_init_post_read_wq()
4179 return -ENOMEM; in f2fs_init_post_read_wq()
4185 if (sbi->post_read_wq) in f2fs_destroy_post_read_wq()
4186 destroy_workqueue(sbi->post_read_wq); in f2fs_destroy_post_read_wq()
4194 return -ENOMEM; in f2fs_init_bio_entry_cache()