Lines Matching full:cc
48 int (*init_compress_ctx)(struct compress_ctx *cc);
49 void (*destroy_compress_ctx)(struct compress_ctx *cc);
50 int (*compress_pages)(struct compress_ctx *cc);
56 static unsigned int offset_in_cluster(struct compress_ctx *cc, pgoff_t index) in offset_in_cluster() argument
58 return index & (cc->cluster_size - 1); in offset_in_cluster()
61 static pgoff_t cluster_idx(struct compress_ctx *cc, pgoff_t index) in cluster_idx() argument
63 return index >> cc->log_cluster_size; in cluster_idx()
66 static pgoff_t start_idx_of_cluster(struct compress_ctx *cc) in start_idx_of_cluster() argument
68 return cc->cluster_idx << cc->log_cluster_size; in start_idx_of_cluster()
102 static void f2fs_drop_rpages(struct compress_ctx *cc, int len, bool unlock) in f2fs_drop_rpages() argument
107 if (!cc->rpages[i]) in f2fs_drop_rpages()
110 unlock_page(cc->rpages[i]); in f2fs_drop_rpages()
112 put_page(cc->rpages[i]); in f2fs_drop_rpages()
116 static void f2fs_put_rpages(struct compress_ctx *cc) in f2fs_put_rpages() argument
118 f2fs_drop_rpages(cc, cc->cluster_size, false); in f2fs_put_rpages()
121 static void f2fs_unlock_rpages(struct compress_ctx *cc, int len) in f2fs_unlock_rpages() argument
123 f2fs_drop_rpages(cc, len, true); in f2fs_unlock_rpages()
139 static void f2fs_put_rpages_wbc(struct compress_ctx *cc, in f2fs_put_rpages_wbc() argument
144 for (i = 0; i < cc->cluster_size; i++) { in f2fs_put_rpages_wbc()
145 if (!cc->rpages[i]) in f2fs_put_rpages_wbc()
148 redirty_page_for_writepage(wbc, cc->rpages[i]); in f2fs_put_rpages_wbc()
149 f2fs_put_page(cc->rpages[i], unlock); in f2fs_put_rpages_wbc()
158 int f2fs_init_compress_ctx(struct compress_ctx *cc) in f2fs_init_compress_ctx() argument
160 if (cc->rpages) in f2fs_init_compress_ctx()
163 cc->rpages = page_array_alloc(cc->inode, cc->cluster_size); in f2fs_init_compress_ctx()
164 return cc->rpages ? 0 : -ENOMEM; in f2fs_init_compress_ctx()
167 void f2fs_destroy_compress_ctx(struct compress_ctx *cc) in f2fs_destroy_compress_ctx() argument
169 page_array_free(cc->inode, cc->rpages, cc->cluster_size); in f2fs_destroy_compress_ctx()
170 cc->rpages = NULL; in f2fs_destroy_compress_ctx()
171 cc->nr_rpages = 0; in f2fs_destroy_compress_ctx()
172 cc->nr_cpages = 0; in f2fs_destroy_compress_ctx()
173 cc->cluster_idx = NULL_CLUSTER; in f2fs_destroy_compress_ctx()
176 void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page) in f2fs_compress_ctx_add_page() argument
180 if (!f2fs_cluster_can_merge_page(cc, page->index)) in f2fs_compress_ctx_add_page()
181 f2fs_bug_on(F2FS_I_SB(cc->inode), 1); in f2fs_compress_ctx_add_page()
183 cluster_ofs = offset_in_cluster(cc, page->index); in f2fs_compress_ctx_add_page()
184 cc->rpages[cluster_ofs] = page; in f2fs_compress_ctx_add_page()
185 cc->nr_rpages++; in f2fs_compress_ctx_add_page()
186 cc->cluster_idx = cluster_idx(cc, page->index); in f2fs_compress_ctx_add_page()
190 static int lzo_init_compress_ctx(struct compress_ctx *cc) in lzo_init_compress_ctx() argument
192 cc->private = f2fs_kvmalloc(F2FS_I_SB(cc->inode), in lzo_init_compress_ctx()
194 if (!cc->private) in lzo_init_compress_ctx()
197 cc->clen = lzo1x_worst_compress(PAGE_SIZE << cc->log_cluster_size); in lzo_init_compress_ctx()
201 static void lzo_destroy_compress_ctx(struct compress_ctx *cc) in lzo_destroy_compress_ctx() argument
203 kvfree(cc->private); in lzo_destroy_compress_ctx()
204 cc->private = NULL; in lzo_destroy_compress_ctx()
207 static int lzo_compress_pages(struct compress_ctx *cc) in lzo_compress_pages() argument
211 ret = lzo1x_1_compress(cc->rbuf, cc->rlen, cc->cbuf->cdata, in lzo_compress_pages()
212 &cc->clen, cc->private); in lzo_compress_pages()
215 KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id, ret); in lzo_compress_pages()
253 static int lz4_init_compress_ctx(struct compress_ctx *cc) in lz4_init_compress_ctx() argument
255 cc->private = f2fs_kvmalloc(F2FS_I_SB(cc->inode), in lz4_init_compress_ctx()
257 if (!cc->private) in lz4_init_compress_ctx()
261 * we do not change cc->clen to LZ4_compressBound(inputsize) to in lz4_init_compress_ctx()
265 cc->clen = cc->rlen - PAGE_SIZE - COMPRESS_HEADER_SIZE; in lz4_init_compress_ctx()
269 static void lz4_destroy_compress_ctx(struct compress_ctx *cc) in lz4_destroy_compress_ctx() argument
271 kvfree(cc->private); in lz4_destroy_compress_ctx()
272 cc->private = NULL; in lz4_destroy_compress_ctx()
275 static int lz4_compress_pages(struct compress_ctx *cc) in lz4_compress_pages() argument
279 len = LZ4_compress_default(cc->rbuf, cc->cbuf->cdata, cc->rlen, in lz4_compress_pages()
280 cc->clen, cc->private); in lz4_compress_pages()
284 cc->clen = len; in lz4_compress_pages()
322 static int zstd_init_compress_ctx(struct compress_ctx *cc) in zstd_init_compress_ctx() argument
329 params = ZSTD_getParams(F2FS_ZSTD_DEFAULT_CLEVEL, cc->rlen, 0); in zstd_init_compress_ctx()
332 workspace = f2fs_kvmalloc(F2FS_I_SB(cc->inode), in zstd_init_compress_ctx()
340 KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id, in zstd_init_compress_ctx()
346 cc->private = workspace; in zstd_init_compress_ctx()
347 cc->private2 = stream; in zstd_init_compress_ctx()
349 cc->clen = cc->rlen - PAGE_SIZE - COMPRESS_HEADER_SIZE; in zstd_init_compress_ctx()
353 static void zstd_destroy_compress_ctx(struct compress_ctx *cc) in zstd_destroy_compress_ctx() argument
355 kvfree(cc->private); in zstd_destroy_compress_ctx()
356 cc->private = NULL; in zstd_destroy_compress_ctx()
357 cc->private2 = NULL; in zstd_destroy_compress_ctx()
360 static int zstd_compress_pages(struct compress_ctx *cc) in zstd_compress_pages() argument
362 ZSTD_CStream *stream = cc->private2; in zstd_compress_pages()
365 int src_size = cc->rlen; in zstd_compress_pages()
370 inbuf.src = cc->rbuf; in zstd_compress_pages()
374 outbuf.dst = cc->cbuf->cdata; in zstd_compress_pages()
380 KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id, in zstd_compress_pages()
388 KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id, in zstd_compress_pages()
400 cc->clen = outbuf.pos; in zstd_compress_pages()
488 static int lzorle_compress_pages(struct compress_ctx *cc) in lzorle_compress_pages() argument
492 ret = lzorle1x_1_compress(cc->rbuf, cc->rlen, cc->cbuf->cdata, in lzorle_compress_pages()
493 &cc->clen, cc->private); in lzorle_compress_pages()
496 KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id, ret); in lzorle_compress_pages()
598 static int f2fs_compress_pages(struct compress_ctx *cc) in f2fs_compress_pages() argument
600 struct f2fs_inode_info *fi = F2FS_I(cc->inode); in f2fs_compress_pages()
607 trace_f2fs_compress_pages_start(cc->inode, cc->cluster_idx, in f2fs_compress_pages()
608 cc->cluster_size, fi->i_compress_algorithm); in f2fs_compress_pages()
611 ret = cops->init_compress_ctx(cc); in f2fs_compress_pages()
616 max_len = COMPRESS_HEADER_SIZE + cc->clen; in f2fs_compress_pages()
617 cc->nr_cpages = DIV_ROUND_UP(max_len, PAGE_SIZE); in f2fs_compress_pages()
619 cc->cpages = page_array_alloc(cc->inode, cc->nr_cpages); in f2fs_compress_pages()
620 if (!cc->cpages) { in f2fs_compress_pages()
625 for (i = 0; i < cc->nr_cpages; i++) { in f2fs_compress_pages()
626 cc->cpages[i] = f2fs_compress_alloc_page(); in f2fs_compress_pages()
627 if (!cc->cpages[i]) { in f2fs_compress_pages()
633 cc->rbuf = f2fs_vmap(cc->rpages, cc->cluster_size); in f2fs_compress_pages()
634 if (!cc->rbuf) { in f2fs_compress_pages()
639 cc->cbuf = f2fs_vmap(cc->cpages, cc->nr_cpages); in f2fs_compress_pages()
640 if (!cc->cbuf) { in f2fs_compress_pages()
645 ret = cops->compress_pages(cc); in f2fs_compress_pages()
649 max_len = PAGE_SIZE * (cc->cluster_size - 1) - COMPRESS_HEADER_SIZE; in f2fs_compress_pages()
651 if (cc->clen > max_len) { in f2fs_compress_pages()
656 cc->cbuf->clen = cpu_to_le32(cc->clen); in f2fs_compress_pages()
659 cc->cbuf->reserved[i] = cpu_to_le32(0); in f2fs_compress_pages()
661 new_nr_cpages = DIV_ROUND_UP(cc->clen + COMPRESS_HEADER_SIZE, PAGE_SIZE); in f2fs_compress_pages()
664 new_cpages = page_array_alloc(cc->inode, new_nr_cpages); in f2fs_compress_pages()
671 memset(&cc->cbuf->cdata[cc->clen], 0, in f2fs_compress_pages()
673 (cc->clen + COMPRESS_HEADER_SIZE)); in f2fs_compress_pages()
675 vm_unmap_ram(cc->cbuf, cc->nr_cpages); in f2fs_compress_pages()
676 vm_unmap_ram(cc->rbuf, cc->cluster_size); in f2fs_compress_pages()
678 for (i = 0; i < cc->nr_cpages; i++) { in f2fs_compress_pages()
680 new_cpages[i] = cc->cpages[i]; in f2fs_compress_pages()
683 f2fs_compress_free_page(cc->cpages[i]); in f2fs_compress_pages()
684 cc->cpages[i] = NULL; in f2fs_compress_pages()
688 cops->destroy_compress_ctx(cc); in f2fs_compress_pages()
690 page_array_free(cc->inode, cc->cpages, cc->nr_cpages); in f2fs_compress_pages()
691 cc->cpages = new_cpages; in f2fs_compress_pages()
692 cc->nr_cpages = new_nr_cpages; in f2fs_compress_pages()
694 trace_f2fs_compress_pages_end(cc->inode, cc->cluster_idx, in f2fs_compress_pages()
695 cc->clen, ret); in f2fs_compress_pages()
699 vm_unmap_ram(cc->cbuf, cc->nr_cpages); in f2fs_compress_pages()
701 vm_unmap_ram(cc->rbuf, cc->cluster_size); in f2fs_compress_pages()
703 for (i = 0; i < cc->nr_cpages; i++) { in f2fs_compress_pages()
704 if (cc->cpages[i]) in f2fs_compress_pages()
705 f2fs_compress_free_page(cc->cpages[i]); in f2fs_compress_pages()
707 page_array_free(cc->inode, cc->cpages, cc->nr_cpages); in f2fs_compress_pages()
708 cc->cpages = NULL; in f2fs_compress_pages()
711 cops->destroy_compress_ctx(cc); in f2fs_compress_pages()
713 trace_f2fs_compress_pages_end(cc->inode, cc->cluster_idx, in f2fs_compress_pages()
714 cc->clen, ret); in f2fs_compress_pages()
813 static bool is_page_in_cluster(struct compress_ctx *cc, pgoff_t index) in is_page_in_cluster() argument
815 if (cc->cluster_idx == NULL_CLUSTER) in is_page_in_cluster()
817 return cc->cluster_idx == cluster_idx(cc, index); in is_page_in_cluster()
820 bool f2fs_cluster_is_empty(struct compress_ctx *cc) in f2fs_cluster_is_empty() argument
822 return cc->nr_rpages == 0; in f2fs_cluster_is_empty()
825 static bool f2fs_cluster_is_full(struct compress_ctx *cc) in f2fs_cluster_is_full() argument
827 return cc->cluster_size == cc->nr_rpages; in f2fs_cluster_is_full()
830 bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index) in f2fs_cluster_can_merge_page() argument
832 if (f2fs_cluster_is_empty(cc)) in f2fs_cluster_can_merge_page()
834 return is_page_in_cluster(cc, index); in f2fs_cluster_can_merge_page()
837 static bool __cluster_may_compress(struct compress_ctx *cc) in __cluster_may_compress() argument
839 struct f2fs_sb_info *sbi = F2FS_I_SB(cc->inode); in __cluster_may_compress()
840 loff_t i_size = i_size_read(cc->inode); in __cluster_may_compress()
844 for (i = 0; i < cc->cluster_size; i++) { in __cluster_may_compress()
845 struct page *page = cc->rpages[i]; in __cluster_may_compress()
861 static int __f2fs_cluster_blocks(struct compress_ctx *cc, bool compr) in __f2fs_cluster_blocks() argument
866 set_new_dnode(&dn, cc->inode, NULL, NULL, 0); in __f2fs_cluster_blocks()
867 ret = f2fs_get_dnode_of_data(&dn, start_idx_of_cluster(cc), in __f2fs_cluster_blocks()
879 for (i = 1; i < cc->cluster_size; i++) { in __f2fs_cluster_blocks()
899 static int f2fs_compressed_blocks(struct compress_ctx *cc) in f2fs_compressed_blocks() argument
901 return __f2fs_cluster_blocks(cc, true); in f2fs_compressed_blocks()
905 static int f2fs_cluster_blocks(struct compress_ctx *cc) in f2fs_cluster_blocks() argument
907 return __f2fs_cluster_blocks(cc, false); in f2fs_cluster_blocks()
912 struct compress_ctx cc = { in f2fs_is_compressed_cluster() local
919 return f2fs_cluster_blocks(&cc); in f2fs_is_compressed_cluster()
922 static bool cluster_may_compress(struct compress_ctx *cc) in cluster_may_compress() argument
924 if (!f2fs_compressed_file(cc->inode)) in cluster_may_compress()
926 if (f2fs_is_atomic_file(cc->inode)) in cluster_may_compress()
928 if (f2fs_is_mmap_file(cc->inode)) in cluster_may_compress()
930 if (!f2fs_cluster_is_full(cc)) in cluster_may_compress()
932 if (unlikely(f2fs_cp_error(F2FS_I_SB(cc->inode)))) in cluster_may_compress()
934 return __cluster_may_compress(cc); in cluster_may_compress()
937 static void set_cluster_writeback(struct compress_ctx *cc) in set_cluster_writeback() argument
941 for (i = 0; i < cc->cluster_size; i++) { in set_cluster_writeback()
942 if (cc->rpages[i]) in set_cluster_writeback()
943 set_page_writeback(cc->rpages[i]); in set_cluster_writeback()
947 static void set_cluster_dirty(struct compress_ctx *cc) in set_cluster_dirty() argument
951 for (i = 0; i < cc->cluster_size; i++) in set_cluster_dirty()
952 if (cc->rpages[i]) in set_cluster_dirty()
953 set_page_dirty(cc->rpages[i]); in set_cluster_dirty()
956 static int prepare_compress_overwrite(struct compress_ctx *cc, in prepare_compress_overwrite() argument
959 struct f2fs_sb_info *sbi = F2FS_I_SB(cc->inode); in prepare_compress_overwrite()
960 struct address_space *mapping = cc->inode->i_mapping; in prepare_compress_overwrite()
965 pgoff_t start_idx = start_idx_of_cluster(cc); in prepare_compress_overwrite()
970 ret = f2fs_cluster_blocks(cc); in prepare_compress_overwrite()
975 prealloc = (ret < cc->cluster_size); in prepare_compress_overwrite()
977 ret = f2fs_init_compress_ctx(cc); in prepare_compress_overwrite()
982 for (i = 0; i < cc->cluster_size; i++) { in prepare_compress_overwrite()
993 f2fs_compress_ctx_add_page(cc, page); in prepare_compress_overwrite()
996 if (!f2fs_cluster_is_empty(cc)) { in prepare_compress_overwrite()
999 ret = f2fs_read_multi_pages(cc, &bio, cc->cluster_size, in prepare_compress_overwrite()
1001 f2fs_destroy_compress_ctx(cc); in prepare_compress_overwrite()
1007 ret = f2fs_init_compress_ctx(cc); in prepare_compress_overwrite()
1012 for (i = 0; i < cc->cluster_size; i++) { in prepare_compress_overwrite()
1013 f2fs_bug_on(sbi, cc->rpages[i]); in prepare_compress_overwrite()
1020 f2fs_compress_ctx_add_page(cc, page); in prepare_compress_overwrite()
1024 f2fs_unlock_rpages(cc, i + 1); in prepare_compress_overwrite()
1026 cc->cluster_size); in prepare_compress_overwrite()
1027 f2fs_destroy_compress_ctx(cc); in prepare_compress_overwrite()
1035 set_new_dnode(&dn, cc->inode, NULL, NULL, 0); in prepare_compress_overwrite()
1037 for (i = cc->cluster_size - 1; i > 0; i--) { in prepare_compress_overwrite()
1040 i = cc->cluster_size; in prepare_compress_overwrite()
1052 *fsdata = cc->rpages; in prepare_compress_overwrite()
1053 *pagep = cc->rpages[offset_in_cluster(cc, index)]; in prepare_compress_overwrite()
1054 return cc->cluster_size; in prepare_compress_overwrite()
1058 f2fs_unlock_rpages(cc, i); in prepare_compress_overwrite()
1061 f2fs_destroy_compress_ctx(cc); in prepare_compress_overwrite()
1068 struct compress_ctx cc = { in f2fs_prepare_compress_overwrite() local
1077 return prepare_compress_overwrite(&cc, pagep, index, fsdata); in f2fs_prepare_compress_overwrite()
1084 struct compress_ctx cc = { in f2fs_compress_write_end() local
1090 bool first_index = (index == cc.rpages[0]->index); in f2fs_compress_write_end()
1093 set_cluster_dirty(&cc); in f2fs_compress_write_end()
1095 f2fs_put_rpages_wbc(&cc, NULL, false, 1); in f2fs_compress_write_end()
1096 f2fs_destroy_compress_ctx(&cc); in f2fs_compress_write_end()
1150 static int f2fs_write_compressed_pages(struct compress_ctx *cc, in f2fs_write_compressed_pages() argument
1155 struct inode *inode = cc->inode; in f2fs_write_compressed_pages()
1160 .ino = cc->inode->i_ino, in f2fs_write_compressed_pages()
1171 .encrypted = fscrypt_inode_uses_fs_layer_crypto(cc->inode), in f2fs_write_compressed_pages()
1176 pgoff_t start_idx = start_idx_of_cluster(cc); in f2fs_write_compressed_pages()
1177 unsigned int last_index = cc->cluster_size - 1; in f2fs_write_compressed_pages()
1192 set_new_dnode(&dn, cc->inode, NULL, NULL, 0); in f2fs_write_compressed_pages()
1198 for (i = 0; i < cc->cluster_size; i++) { in f2fs_write_compressed_pages()
1204 psize = (loff_t)(cc->rpages[last_index]->index + 1) << PAGE_SHIFT; in f2fs_write_compressed_pages()
1218 atomic_set(&cic->pending_pages, cc->nr_cpages); in f2fs_write_compressed_pages()
1219 cic->rpages = page_array_alloc(cc->inode, cc->cluster_size); in f2fs_write_compressed_pages()
1223 cic->nr_rpages = cc->cluster_size; in f2fs_write_compressed_pages()
1225 for (i = 0; i < cc->nr_cpages; i++) { in f2fs_write_compressed_pages()
1226 f2fs_set_compressed_page(cc->cpages[i], inode, in f2fs_write_compressed_pages()
1227 cc->rpages[i + 1]->index, cic); in f2fs_write_compressed_pages()
1228 fio.compressed_page = cc->cpages[i]; in f2fs_write_compressed_pages()
1237 fio.page = cc->rpages[i + 1]; in f2fs_write_compressed_pages()
1241 cc->cpages[i] = fio.encrypted_page; in f2fs_write_compressed_pages()
1245 set_cluster_writeback(cc); in f2fs_write_compressed_pages()
1247 for (i = 0; i < cc->cluster_size; i++) in f2fs_write_compressed_pages()
1248 cic->rpages[i] = cc->rpages[i]; in f2fs_write_compressed_pages()
1250 for (i = 0; i < cc->cluster_size; i++, dn.ofs_in_node++) { in f2fs_write_compressed_pages()
1254 fio.page = cc->rpages[i]; in f2fs_write_compressed_pages()
1270 if (i > cc->nr_cpages) { in f2fs_write_compressed_pages()
1281 fio.encrypted_page = cc->cpages[i - 1]; in f2fs_write_compressed_pages()
1283 fio.compressed_page = cc->cpages[i - 1]; in f2fs_write_compressed_pages()
1285 cc->cpages[i - 1] = NULL; in f2fs_write_compressed_pages()
1289 inode_dec_dirty_pages(cc->inode); in f2fs_write_compressed_pages()
1295 f2fs_i_compr_blocks_update(inode, cc->nr_cpages, true); in f2fs_write_compressed_pages()
1297 set_inode_flag(cc->inode, FI_APPEND_WRITE); in f2fs_write_compressed_pages()
1298 if (cc->cluster_idx == 0) in f2fs_write_compressed_pages()
1312 f2fs_put_rpages(cc); in f2fs_write_compressed_pages()
1313 page_array_free(cc->inode, cc->cpages, cc->nr_cpages); in f2fs_write_compressed_pages()
1314 cc->cpages = NULL; in f2fs_write_compressed_pages()
1315 f2fs_destroy_compress_ctx(cc); in f2fs_write_compressed_pages()
1319 page_array_free(cc->inode, cic->rpages, cc->cluster_size); in f2fs_write_compressed_pages()
1322 fscrypt_finalize_bounce_page(&cc->cpages[i]); in f2fs_write_compressed_pages()
1323 for (i = 0; i < cc->nr_cpages; i++) { in f2fs_write_compressed_pages()
1324 if (!cc->cpages[i]) in f2fs_write_compressed_pages()
1326 f2fs_put_page(cc->cpages[i], 1); in f2fs_write_compressed_pages()
1338 page_array_free(cc->inode, cc->cpages, cc->nr_cpages); in f2fs_write_compressed_pages()
1339 cc->cpages = NULL; in f2fs_write_compressed_pages()
1370 static int f2fs_write_raw_pages(struct compress_ctx *cc, in f2fs_write_raw_pages() argument
1375 struct address_space *mapping = cc->inode->i_mapping; in f2fs_write_raw_pages()
1379 compr_blocks = f2fs_compressed_blocks(cc); in f2fs_write_raw_pages()
1385 for (i = 0; i < cc->cluster_size; i++) { in f2fs_write_raw_pages()
1386 if (!cc->rpages[i]) in f2fs_write_raw_pages()
1389 if (cc->rpages[i]->mapping != mapping) { in f2fs_write_raw_pages()
1390 unlock_page(cc->rpages[i]); in f2fs_write_raw_pages()
1394 BUG_ON(!PageLocked(cc->rpages[i])); in f2fs_write_raw_pages()
1396 ret = f2fs_write_single_data_page(cc->rpages[i], &_submitted, in f2fs_write_raw_pages()
1401 unlock_page(cc->rpages[i]); in f2fs_write_raw_pages()
1409 if (IS_NOQUOTA(cc->inode)) { in f2fs_write_raw_pages()
1417 lock_page(cc->rpages[i]); in f2fs_write_raw_pages()
1419 if (!PageDirty(cc->rpages[i])) { in f2fs_write_raw_pages()
1420 unlock_page(cc->rpages[i]); in f2fs_write_raw_pages()
1424 clear_page_dirty_for_io(cc->rpages[i]); in f2fs_write_raw_pages()
1435 for (++i; i < cc->cluster_size; i++) { in f2fs_write_raw_pages()
1436 if (!cc->rpages[i]) in f2fs_write_raw_pages()
1438 redirty_page_for_writepage(wbc, cc->rpages[i]); in f2fs_write_raw_pages()
1439 unlock_page(cc->rpages[i]); in f2fs_write_raw_pages()
1444 int f2fs_write_multi_pages(struct compress_ctx *cc, in f2fs_write_multi_pages() argument
1452 if (cluster_may_compress(cc)) { in f2fs_write_multi_pages()
1453 err = f2fs_compress_pages(cc); in f2fs_write_multi_pages()
1457 f2fs_put_rpages_wbc(cc, wbc, true, 1); in f2fs_write_multi_pages()
1461 err = f2fs_write_compressed_pages(cc, submitted, in f2fs_write_multi_pages()
1465 f2fs_bug_on(F2FS_I_SB(cc->inode), err != -EAGAIN); in f2fs_write_multi_pages()
1468 f2fs_bug_on(F2FS_I_SB(cc->inode), *submitted); in f2fs_write_multi_pages()
1470 err = f2fs_write_raw_pages(cc, submitted, wbc, io_type); in f2fs_write_multi_pages()
1471 f2fs_put_rpages_wbc(cc, wbc, false, 0); in f2fs_write_multi_pages()
1473 f2fs_destroy_compress_ctx(cc); in f2fs_write_multi_pages()
1477 struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc) in f2fs_alloc_dic() argument
1480 pgoff_t start_idx = start_idx_of_cluster(cc); in f2fs_alloc_dic()
1487 dic->rpages = page_array_alloc(cc->inode, cc->cluster_size); in f2fs_alloc_dic()
1494 dic->inode = cc->inode; in f2fs_alloc_dic()
1495 atomic_set(&dic->pending_pages, cc->nr_cpages); in f2fs_alloc_dic()
1496 dic->cluster_idx = cc->cluster_idx; in f2fs_alloc_dic()
1497 dic->cluster_size = cc->cluster_size; in f2fs_alloc_dic()
1498 dic->log_cluster_size = cc->log_cluster_size; in f2fs_alloc_dic()
1499 dic->nr_cpages = cc->nr_cpages; in f2fs_alloc_dic()
1503 dic->rpages[i] = cc->rpages[i]; in f2fs_alloc_dic()
1504 dic->nr_rpages = cc->cluster_size; in f2fs_alloc_dic()
1517 f2fs_set_compressed_page(page, cc->inode, in f2fs_alloc_dic()