Lines Matching refs:c
67 static int validate_inode(struct ubifs_info *c, const struct inode *inode) in validate_inode() argument
72 if (inode->i_size > c->max_inode_sz) { in validate_inode()
73 ubifs_err(c, "inode is too large (%lld)", in validate_inode()
79 ubifs_err(c, "unknown compression type %d", ui->compr_type); in validate_inode()
93 ubifs_warn(c, "inode %lu uses '%s' compression, but it was not compiled in", in validate_inode()
97 err = dbg_check_dir(c, inode); in validate_inode()
106 struct ubifs_info *c = sb->s_fs_info; in ubifs_iget() local
125 ino_key_init(c, &key, inode->i_ino); in ubifs_iget()
127 err = ubifs_tnc_lookup(c, &key, ino); in ubifs_iget()
155 err = validate_inode(c, inode); in ubifs_iget()
245 ubifs_err(c, "inode %lu validation failed, error %d", inode->i_ino, err); in ubifs_iget()
246 ubifs_dump_node(c, ino); in ubifs_iget()
247 ubifs_dump_inode(c, inode); in ubifs_iget()
252 ubifs_err(c, "failed to read inode %lu, error %d", inode->i_ino, err); in ubifs_iget()
293 struct ubifs_info *c = inode->i_sb->s_fs_info; in ubifs_write_inode() local
320 err = ubifs_jnl_write_inode(c, inode); in ubifs_write_inode()
322 ubifs_err(c, "can't write inode %lu, error %d", in ubifs_write_inode()
325 err = dbg_check_inode_size(c, inode, ui->ui_size); in ubifs_write_inode()
330 ubifs_release_dirty_inode_budget(c, ui); in ubifs_write_inode()
337 struct ubifs_info *c = inode->i_sb->s_fs_info; in ubifs_evict_inode() local
360 err = ubifs_jnl_delete_inode(c, inode); in ubifs_evict_inode()
366 ubifs_err(c, "can't delete inode %lu, error %d", in ubifs_evict_inode()
371 ubifs_release_dirty_inode_budget(c, ui); in ubifs_evict_inode()
374 c->bi.nospace = c->bi.nospace_rp = 0; in ubifs_evict_inode()
394 struct ubifs_info *c = dentry->d_sb->s_fs_info; in ubifs_statfs() local
396 __le32 *uuid = (__le32 *)c->uuid; in ubifs_statfs()
398 free = ubifs_get_free_space(c); in ubifs_statfs()
404 buf->f_blocks = c->block_cnt; in ubifs_statfs()
406 if (free > c->report_rp_size) in ubifs_statfs()
407 buf->f_bavail = (free - c->report_rp_size) >> UBIFS_BLOCK_SHIFT; in ubifs_statfs()
415 ubifs_assert(buf->f_bfree <= c->block_cnt); in ubifs_statfs()
421 struct ubifs_info *c = root->d_sb->s_fs_info; in ubifs_show_options() local
423 if (c->mount_opts.unmount_mode == 2) in ubifs_show_options()
425 else if (c->mount_opts.unmount_mode == 1) in ubifs_show_options()
428 if (c->mount_opts.bulk_read == 2) in ubifs_show_options()
430 else if (c->mount_opts.bulk_read == 1) in ubifs_show_options()
433 if (c->mount_opts.chk_data_crc == 2) in ubifs_show_options()
435 else if (c->mount_opts.chk_data_crc == 1) in ubifs_show_options()
438 if (c->mount_opts.override_compr) { in ubifs_show_options()
440 ubifs_compr_name(c->mount_opts.compr_type)); in ubifs_show_options()
449 struct ubifs_info *c = sb->s_fs_info; in ubifs_sync_fs() local
463 for (i = 0; i < c->jhead_cnt; i++) { in ubifs_sync_fs()
464 err = ubifs_wbuf_sync(&c->jheads[i].wbuf); in ubifs_sync_fs()
476 err = ubifs_run_commit(c); in ubifs_sync_fs()
480 return ubi_sync(c->vi.ubi_num); in ubifs_sync_fs()
492 static int init_constants_early(struct ubifs_info *c) in init_constants_early() argument
494 if (c->vi.corrupted) { in init_constants_early()
495 ubifs_warn(c, "UBI volume is corrupted - read-only mode"); in init_constants_early()
496 c->ro_media = 1; in init_constants_early()
499 if (c->di.ro_mode) { in init_constants_early()
500 ubifs_msg(c, "read-only UBI device"); in init_constants_early()
501 c->ro_media = 1; in init_constants_early()
504 if (c->vi.vol_type == UBI_STATIC_VOLUME) { in init_constants_early()
505 ubifs_msg(c, "static UBI volume - read-only mode"); in init_constants_early()
506 c->ro_media = 1; in init_constants_early()
509 c->leb_cnt = c->vi.size; in init_constants_early()
510 c->leb_size = c->vi.usable_leb_size; in init_constants_early()
511 c->leb_start = c->di.leb_start; in init_constants_early()
512 c->half_leb_size = c->leb_size / 2; in init_constants_early()
513 c->min_io_size = c->di.min_io_size; in init_constants_early()
514 c->min_io_shift = fls(c->min_io_size) - 1; in init_constants_early()
515 c->max_write_size = c->di.max_write_size; in init_constants_early()
516 c->max_write_shift = fls(c->max_write_size) - 1; in init_constants_early()
518 if (c->leb_size < UBIFS_MIN_LEB_SZ) { in init_constants_early()
519 ubifs_err(c, "too small LEBs (%d bytes), min. is %d bytes", in init_constants_early()
520 c->leb_size, UBIFS_MIN_LEB_SZ); in init_constants_early()
524 if (c->leb_cnt < UBIFS_MIN_LEB_CNT) { in init_constants_early()
525 ubifs_err(c, "too few LEBs (%d), min. is %d", in init_constants_early()
526 c->leb_cnt, UBIFS_MIN_LEB_CNT); in init_constants_early()
530 if (!is_power_of_2(c->min_io_size)) { in init_constants_early()
531 ubifs_err(c, "bad min. I/O size %d", c->min_io_size); in init_constants_early()
539 if (c->max_write_size < c->min_io_size || in init_constants_early()
540 c->max_write_size % c->min_io_size || in init_constants_early()
541 !is_power_of_2(c->max_write_size)) { in init_constants_early()
542 ubifs_err(c, "bad write buffer size %d for %d min. I/O unit", in init_constants_early()
543 c->max_write_size, c->min_io_size); in init_constants_early()
552 if (c->min_io_size < 8) { in init_constants_early()
553 c->min_io_size = 8; in init_constants_early()
554 c->min_io_shift = 3; in init_constants_early()
555 if (c->max_write_size < c->min_io_size) { in init_constants_early()
556 c->max_write_size = c->min_io_size; in init_constants_early()
557 c->max_write_shift = c->min_io_shift; in init_constants_early()
561 c->ref_node_alsz = ALIGN(UBIFS_REF_NODE_SZ, c->min_io_size); in init_constants_early()
562 c->mst_node_alsz = ALIGN(UBIFS_MST_NODE_SZ, c->min_io_size); in init_constants_early()
568 c->ranges[UBIFS_PAD_NODE].len = UBIFS_PAD_NODE_SZ; in init_constants_early()
569 c->ranges[UBIFS_SB_NODE].len = UBIFS_SB_NODE_SZ; in init_constants_early()
570 c->ranges[UBIFS_MST_NODE].len = UBIFS_MST_NODE_SZ; in init_constants_early()
571 c->ranges[UBIFS_REF_NODE].len = UBIFS_REF_NODE_SZ; in init_constants_early()
572 c->ranges[UBIFS_TRUN_NODE].len = UBIFS_TRUN_NODE_SZ; in init_constants_early()
573 c->ranges[UBIFS_CS_NODE].len = UBIFS_CS_NODE_SZ; in init_constants_early()
575 c->ranges[UBIFS_INO_NODE].min_len = UBIFS_INO_NODE_SZ; in init_constants_early()
576 c->ranges[UBIFS_INO_NODE].max_len = UBIFS_MAX_INO_NODE_SZ; in init_constants_early()
577 c->ranges[UBIFS_ORPH_NODE].min_len = in init_constants_early()
579 c->ranges[UBIFS_ORPH_NODE].max_len = c->leb_size; in init_constants_early()
580 c->ranges[UBIFS_DENT_NODE].min_len = UBIFS_DENT_NODE_SZ; in init_constants_early()
581 c->ranges[UBIFS_DENT_NODE].max_len = UBIFS_MAX_DENT_NODE_SZ; in init_constants_early()
582 c->ranges[UBIFS_XENT_NODE].min_len = UBIFS_XENT_NODE_SZ; in init_constants_early()
583 c->ranges[UBIFS_XENT_NODE].max_len = UBIFS_MAX_XENT_NODE_SZ; in init_constants_early()
584 c->ranges[UBIFS_DATA_NODE].min_len = UBIFS_DATA_NODE_SZ; in init_constants_early()
585 c->ranges[UBIFS_DATA_NODE].max_len = UBIFS_MAX_DATA_NODE_SZ; in init_constants_early()
590 c->ranges[UBIFS_IDX_NODE].min_len = UBIFS_IDX_NODE_SZ + UBIFS_BRANCH_SZ; in init_constants_early()
595 c->ranges[UBIFS_IDX_NODE].max_len = INT_MAX; in init_constants_early()
601 c->dead_wm = ALIGN(MIN_WRITE_SZ, c->min_io_size); in init_constants_early()
602 c->dark_wm = ALIGN(UBIFS_MAX_NODE_SZ, c->min_io_size); in init_constants_early()
609 c->leb_overhead = c->leb_size % UBIFS_MAX_DATA_NODE_SZ; in init_constants_early()
612 c->max_bu_buf_len = UBIFS_MAX_BULK_READ * UBIFS_MAX_DATA_NODE_SZ; in init_constants_early()
613 if (c->max_bu_buf_len > c->leb_size) in init_constants_early()
614 c->max_bu_buf_len = c->leb_size; in init_constants_early()
633 static int bud_wbuf_callback(struct ubifs_info *c, int lnum, int free, int pad) in bud_wbuf_callback() argument
635 return ubifs_update_one_lp(c, lnum, free, pad, 0, 0); in bud_wbuf_callback()
647 static int init_constants_sb(struct ubifs_info *c) in init_constants_sb() argument
652 c->main_bytes = (long long)c->main_lebs * c->leb_size; in init_constants_sb()
653 c->max_znode_sz = sizeof(struct ubifs_znode) + in init_constants_sb()
654 c->fanout * sizeof(struct ubifs_zbranch); in init_constants_sb()
656 tmp = ubifs_idx_node_sz(c, 1); in init_constants_sb()
657 c->ranges[UBIFS_IDX_NODE].min_len = tmp; in init_constants_sb()
658 c->min_idx_node_sz = ALIGN(tmp, 8); in init_constants_sb()
660 tmp = ubifs_idx_node_sz(c, c->fanout); in init_constants_sb()
661 c->ranges[UBIFS_IDX_NODE].max_len = tmp; in init_constants_sb()
662 c->max_idx_node_sz = ALIGN(tmp, 8); in init_constants_sb()
665 tmp = UBIFS_CS_NODE_SZ + UBIFS_REF_NODE_SZ * c->jhead_cnt; in init_constants_sb()
666 tmp = ALIGN(tmp, c->min_io_size); in init_constants_sb()
667 if (tmp > c->leb_size) { in init_constants_sb()
668 ubifs_err(c, "too small LEB size %d, at least %d needed", in init_constants_sb()
669 c->leb_size, tmp); in init_constants_sb()
677 tmp64 = c->max_bud_bytes + c->leb_size - 1; in init_constants_sb()
678 c->max_bud_cnt = div_u64(tmp64, c->leb_size); in init_constants_sb()
679 tmp = (c->ref_node_alsz * c->max_bud_cnt + c->leb_size - 1); in init_constants_sb()
680 tmp /= c->leb_size; in init_constants_sb()
682 if (c->log_lebs < tmp) { in init_constants_sb()
683 ubifs_err(c, "too small log %d LEBs, required min. %d LEBs", in init_constants_sb()
684 c->log_lebs, tmp); in init_constants_sb()
695 c->bi.page_budget = UBIFS_MAX_DATA_NODE_SZ * UBIFS_BLOCKS_PER_PAGE; in init_constants_sb()
696 c->bi.inode_budget = UBIFS_INO_NODE_SZ; in init_constants_sb()
697 c->bi.dent_budget = UBIFS_MAX_DENT_NODE_SZ; in init_constants_sb()
706 c->bg_bud_bytes = (c->max_bud_bytes * 13) >> 4; in init_constants_sb()
714 tmp64 = (long long)(c->jhead_cnt + 1) * c->leb_size + 1; in init_constants_sb()
715 if (c->bg_bud_bytes < tmp64) in init_constants_sb()
716 c->bg_bud_bytes = tmp64; in init_constants_sb()
717 if (c->max_bud_bytes < tmp64 + c->leb_size) in init_constants_sb()
718 c->max_bud_bytes = tmp64 + c->leb_size; in init_constants_sb()
720 err = ubifs_calc_lpt_geom(c); in init_constants_sb()
725 c->idx_leb_size = c->leb_size - c->max_idx_node_sz; in init_constants_sb()
737 static void init_constants_master(struct ubifs_info *c) in init_constants_master() argument
741 c->bi.min_idx_lebs = ubifs_calc_min_idx_lebs(c); in init_constants_master()
742 c->report_rp_size = ubifs_reported_space(c, c->rp_size); in init_constants_master()
753 tmp64 = c->main_lebs - 1 - 1 - MIN_INDEX_LEBS - c->jhead_cnt + 1; in init_constants_master()
754 tmp64 *= (long long)c->leb_size - c->leb_overhead; in init_constants_master()
755 tmp64 = ubifs_reported_space(c, tmp64); in init_constants_master()
756 c->block_cnt = tmp64 >> UBIFS_BLOCK_SHIFT; in init_constants_master()
770 static int take_gc_lnum(struct ubifs_info *c) in take_gc_lnum() argument
774 if (c->gc_lnum == -1) { in take_gc_lnum()
775 ubifs_err(c, "no LEB for GC"); in take_gc_lnum()
780 err = ubifs_change_one_lp(c, c->gc_lnum, c->leb_size, 0, in take_gc_lnum()
792 static int alloc_wbufs(struct ubifs_info *c) in alloc_wbufs() argument
796 c->jheads = kcalloc(c->jhead_cnt, sizeof(struct ubifs_jhead), in alloc_wbufs()
798 if (!c->jheads) in alloc_wbufs()
802 for (i = 0; i < c->jhead_cnt; i++) { in alloc_wbufs()
803 INIT_LIST_HEAD(&c->jheads[i].buds_list); in alloc_wbufs()
804 err = ubifs_wbuf_init(c, &c->jheads[i].wbuf); in alloc_wbufs()
808 c->jheads[i].wbuf.sync_callback = &bud_wbuf_callback; in alloc_wbufs()
809 c->jheads[i].wbuf.jhead = i; in alloc_wbufs()
810 c->jheads[i].grouped = 1; in alloc_wbufs()
817 c->jheads[GCHD].wbuf.no_timer = 1; in alloc_wbufs()
818 c->jheads[GCHD].grouped = 0; in alloc_wbufs()
827 static void free_wbufs(struct ubifs_info *c) in free_wbufs() argument
831 if (c->jheads) { in free_wbufs()
832 for (i = 0; i < c->jhead_cnt; i++) { in free_wbufs()
833 kfree(c->jheads[i].wbuf.buf); in free_wbufs()
834 kfree(c->jheads[i].wbuf.inodes); in free_wbufs()
836 kfree(c->jheads); in free_wbufs()
837 c->jheads = NULL; in free_wbufs()
845 static void free_orphans(struct ubifs_info *c) in free_orphans() argument
849 while (c->orph_dnext) { in free_orphans()
850 orph = c->orph_dnext; in free_orphans()
851 c->orph_dnext = orph->dnext; in free_orphans()
856 while (!list_empty(&c->orph_list)) { in free_orphans()
857 orph = list_entry(c->orph_list.next, struct ubifs_orphan, list); in free_orphans()
860 ubifs_err(c, "orphan list not empty at unmount"); in free_orphans()
863 vfree(c->orph_buf); in free_orphans()
864 c->orph_buf = NULL; in free_orphans()
871 static void free_buds(struct ubifs_info *c) in free_buds() argument
875 rbtree_postorder_for_each_entry_safe(bud, n, &c->buds, rb) in free_buds()
888 static int check_volume_empty(struct ubifs_info *c) in check_volume_empty() argument
892 c->empty = 1; in check_volume_empty()
893 for (lnum = 0; lnum < c->leb_cnt; lnum++) { in check_volume_empty()
894 err = ubifs_is_mapped(c, lnum); in check_volume_empty()
898 c->empty = 0; in check_volume_empty()
973 static int ubifs_parse_options(struct ubifs_info *c, char *options, in ubifs_parse_options() argument
996 c->mount_opts.unmount_mode = 2; in ubifs_parse_options()
999 c->mount_opts.unmount_mode = 1; in ubifs_parse_options()
1002 c->mount_opts.bulk_read = 2; in ubifs_parse_options()
1003 c->bulk_read = 1; in ubifs_parse_options()
1006 c->mount_opts.bulk_read = 1; in ubifs_parse_options()
1007 c->bulk_read = 0; in ubifs_parse_options()
1010 c->mount_opts.chk_data_crc = 2; in ubifs_parse_options()
1011 c->no_chk_data_crc = 0; in ubifs_parse_options()
1014 c->mount_opts.chk_data_crc = 1; in ubifs_parse_options()
1015 c->no_chk_data_crc = 1; in ubifs_parse_options()
1024 c->mount_opts.compr_type = UBIFS_COMPR_NONE; in ubifs_parse_options()
1026 c->mount_opts.compr_type = UBIFS_COMPR_LZO; in ubifs_parse_options()
1028 c->mount_opts.compr_type = UBIFS_COMPR_ZLIB; in ubifs_parse_options()
1030 ubifs_err(c, "unknown compressor \"%s\"", name); //FIXME: is c ready? in ubifs_parse_options()
1035 c->mount_opts.override_compr = 1; in ubifs_parse_options()
1036 c->default_compr = c->mount_opts.compr_type; in ubifs_parse_options()
1042 struct super_block *sb = c->vfs_sb; in ubifs_parse_options()
1046 ubifs_err(c, "unrecognized mount option \"%s\" or missing value", in ubifs_parse_options()
1066 static void destroy_journal(struct ubifs_info *c) in destroy_journal() argument
1068 while (!list_empty(&c->unclean_leb_list)) { in destroy_journal()
1071 ucleb = list_entry(c->unclean_leb_list.next, in destroy_journal()
1076 while (!list_empty(&c->old_buds)) { in destroy_journal()
1079 bud = list_entry(c->old_buds.next, struct ubifs_bud, list); in destroy_journal()
1083 ubifs_destroy_idx_gc(c); in destroy_journal()
1084 ubifs_destroy_size_tree(c); in destroy_journal()
1085 ubifs_tnc_close(c); in destroy_journal()
1086 free_buds(c); in destroy_journal()
1093 static void bu_init(struct ubifs_info *c) in bu_init() argument
1095 ubifs_assert(c->bulk_read == 1); in bu_init()
1097 if (c->bu.buf) in bu_init()
1101 c->bu.buf = kmalloc(c->max_bu_buf_len, GFP_KERNEL | __GFP_NOWARN); in bu_init()
1102 if (!c->bu.buf) { in bu_init()
1103 if (c->max_bu_buf_len > UBIFS_KMALLOC_OK) { in bu_init()
1104 c->max_bu_buf_len = UBIFS_KMALLOC_OK; in bu_init()
1109 ubifs_warn(c, "cannot allocate %d bytes of memory for bulk-read, disabling it", in bu_init()
1110 c->max_bu_buf_len); in bu_init()
1111 c->mount_opts.bulk_read = 1; in bu_init()
1112 c->bulk_read = 0; in bu_init()
1124 static int check_free_space(struct ubifs_info *c) in check_free_space() argument
1126 ubifs_assert(c->dark_wm > 0); in check_free_space()
1127 if (c->lst.total_free + c->lst.total_dirty < c->dark_wm) { in check_free_space()
1128 ubifs_err(c, "insufficient free space to mount in R/W mode"); in check_free_space()
1129 ubifs_dump_budg(c, &c->bi); in check_free_space()
1130 ubifs_dump_lprops(c); in check_free_space()
1143 static int mount_ubifs(struct ubifs_info *c) in mount_ubifs() argument
1149 c->ro_mount = !!(c->vfs_sb->s_flags & MS_RDONLY); in mount_ubifs()
1151 c->probing = !!(c->vfs_sb->s_flags & MS_SILENT); in mount_ubifs()
1153 err = init_constants_early(c); in mount_ubifs()
1157 err = ubifs_debugging_init(c); in mount_ubifs()
1161 err = check_volume_empty(c); in mount_ubifs()
1165 if (c->empty && (c->ro_mount || c->ro_media)) { in mount_ubifs()
1170 ubifs_err(c, "can't format empty UBI volume: read-only %s", in mount_ubifs()
1171 c->ro_media ? "UBI volume" : "mount"); in mount_ubifs()
1176 if (c->ro_media && !c->ro_mount) { in mount_ubifs()
1177 ubifs_err(c, "cannot mount read-write - read-only media"); in mount_ubifs()
1188 c->bottom_up_buf = kmalloc(BOTTOM_UP_HEIGHT * sizeof(int), GFP_KERNEL); in mount_ubifs()
1189 if (!c->bottom_up_buf) in mount_ubifs()
1192 c->sbuf = vmalloc(c->leb_size); in mount_ubifs()
1193 if (!c->sbuf) in mount_ubifs()
1196 if (!c->ro_mount) { in mount_ubifs()
1197 c->ileb_buf = vmalloc(c->leb_size); in mount_ubifs()
1198 if (!c->ileb_buf) in mount_ubifs()
1202 if (c->bulk_read == 1) in mount_ubifs()
1203 bu_init(c); in mount_ubifs()
1205 if (!c->ro_mount) { in mount_ubifs()
1206 c->write_reserve_buf = kmalloc(COMPRESSED_DATA_NODE_BUF_SZ, in mount_ubifs()
1208 if (!c->write_reserve_buf) in mount_ubifs()
1212 c->mounting = 1; in mount_ubifs()
1214 err = ubifs_read_superblock(c); in mount_ubifs()
1218 c->probing = 0; in mount_ubifs()
1224 if (!ubifs_compr_present(c->default_compr)) { in mount_ubifs()
1225 ubifs_err(c, "'compressor \"%s\" is not compiled in", in mount_ubifs()
1226 ubifs_compr_name(c->default_compr)); in mount_ubifs()
1231 err = init_constants_sb(c); in mount_ubifs()
1235 sz = ALIGN(c->max_idx_node_sz, c->min_io_size); in mount_ubifs()
1236 sz = ALIGN(sz + c->max_idx_node_sz, c->min_io_size); in mount_ubifs()
1237 c->cbuf = kmalloc(sz, GFP_NOFS); in mount_ubifs()
1238 if (!c->cbuf) { in mount_ubifs()
1243 err = alloc_wbufs(c); in mount_ubifs()
1247 sprintf(c->bgt_name, BGT_NAME_PATTERN, c->vi.ubi_num, c->vi.vol_id); in mount_ubifs()
1248 if (!c->ro_mount) { in mount_ubifs()
1250 c->bgt = kthread_create(ubifs_bg_thread, c, "%s", c->bgt_name); in mount_ubifs()
1251 if (IS_ERR(c->bgt)) { in mount_ubifs()
1252 err = PTR_ERR(c->bgt); in mount_ubifs()
1253 c->bgt = NULL; in mount_ubifs()
1254 ubifs_err(c, "cannot spawn \"%s\", error %d", in mount_ubifs()
1255 c->bgt_name, err); in mount_ubifs()
1258 wake_up_process(c->bgt); in mount_ubifs()
1261 err = ubifs_read_master(c); in mount_ubifs()
1265 init_constants_master(c); in mount_ubifs()
1267 if ((c->mst_node->flags & cpu_to_le32(UBIFS_MST_DIRTY)) != 0) { in mount_ubifs()
1268 ubifs_msg(c, "recovery needed"); in mount_ubifs()
1269 c->need_recovery = 1; in mount_ubifs()
1272 if (c->need_recovery && !c->ro_mount) { in mount_ubifs()
1273 err = ubifs_recover_inl_heads(c, c->sbuf); in mount_ubifs()
1278 err = ubifs_lpt_init(c, 1, !c->ro_mount); in mount_ubifs()
1282 if (!c->ro_mount && c->space_fixup) { in mount_ubifs()
1283 err = ubifs_fixup_free_space(c); in mount_ubifs()
1288 if (!c->ro_mount && !c->need_recovery) { in mount_ubifs()
1293 c->mst_node->flags |= cpu_to_le32(UBIFS_MST_DIRTY); in mount_ubifs()
1294 err = ubifs_write_master(c); in mount_ubifs()
1299 err = dbg_check_idx_size(c, c->bi.old_idx_sz); in mount_ubifs()
1303 err = ubifs_replay_journal(c); in mount_ubifs()
1308 c->bi.min_idx_lebs = ubifs_calc_min_idx_lebs(c); in mount_ubifs()
1310 err = ubifs_mount_orphans(c, c->need_recovery, c->ro_mount); in mount_ubifs()
1314 if (!c->ro_mount) { in mount_ubifs()
1317 err = check_free_space(c); in mount_ubifs()
1322 lnum = c->lhead_lnum + 1; in mount_ubifs()
1323 if (lnum >= UBIFS_LOG_LNUM + c->log_lebs) in mount_ubifs()
1325 if (lnum == c->ltail_lnum) { in mount_ubifs()
1326 err = ubifs_consolidate_log(c); in mount_ubifs()
1331 if (c->need_recovery) { in mount_ubifs()
1332 err = ubifs_recover_size(c); in mount_ubifs()
1335 err = ubifs_rcvry_gc_commit(c); in mount_ubifs()
1339 err = take_gc_lnum(c); in mount_ubifs()
1347 err = ubifs_leb_unmap(c, c->gc_lnum); in mount_ubifs()
1352 err = dbg_check_lprops(c); in mount_ubifs()
1355 } else if (c->need_recovery) { in mount_ubifs()
1356 err = ubifs_recover_size(c); in mount_ubifs()
1366 err = take_gc_lnum(c); in mount_ubifs()
1372 list_add_tail(&c->infos_list, &ubifs_infos); in mount_ubifs()
1375 if (c->need_recovery) { in mount_ubifs()
1376 if (c->ro_mount) in mount_ubifs()
1377 ubifs_msg(c, "recovery deferred"); in mount_ubifs()
1379 c->need_recovery = 0; in mount_ubifs()
1380 ubifs_msg(c, "recovery completed"); in mount_ubifs()
1386 ubifs_assert(c->lst.taken_empty_lebs > 0); in mount_ubifs()
1389 ubifs_assert(c->lst.taken_empty_lebs > 0); in mount_ubifs()
1391 err = dbg_check_filesystem(c); in mount_ubifs()
1395 err = dbg_debugfs_init_fs(c); in mount_ubifs()
1399 c->mounting = 0; in mount_ubifs()
1401 ubifs_msg(c, "UBIFS: mounted UBI device %d, volume %d, name \"%s\"%s", in mount_ubifs()
1402 c->vi.ubi_num, c->vi.vol_id, c->vi.name, in mount_ubifs()
1403 c->ro_mount ? ", R/O mode" : ""); in mount_ubifs()
1404 x = (long long)c->main_lebs * c->leb_size; in mount_ubifs()
1405 y = (long long)c->log_lebs * c->leb_size + c->max_bud_bytes; in mount_ubifs()
1406 ubifs_msg(c, "LEB size: %d bytes (%d KiB), min./max. I/O unit sizes: %d bytes/%d bytes", in mount_ubifs()
1407 c->leb_size, c->leb_size >> 10, c->min_io_size, in mount_ubifs()
1408 c->max_write_size); in mount_ubifs()
1409 …ubifs_msg(c, "FS size: %lld bytes (%lld MiB, %d LEBs), journal size %lld bytes (%lld MiB, %d LEBs)… in mount_ubifs()
1410 x, x >> 20, c->main_lebs, in mount_ubifs()
1411 y, y >> 20, c->log_lebs + c->max_bud_cnt); in mount_ubifs()
1412 ubifs_msg(c, "reserved for root: %llu bytes (%llu KiB)", in mount_ubifs()
1413 c->report_rp_size, c->report_rp_size >> 10); in mount_ubifs()
1414 ubifs_msg(c, "media format: w%d/r%d (latest is w%d/r%d), UUID %pUB%s", in mount_ubifs()
1415 c->fmt_version, c->ro_compat_version, in mount_ubifs()
1416 UBIFS_FORMAT_VERSION, UBIFS_RO_COMPAT_VERSION, c->uuid, in mount_ubifs()
1417 c->big_lpt ? ", big LPT model" : ", small LPT model"); in mount_ubifs()
1419 dbg_gen("default compressor: %s", ubifs_compr_name(c->default_compr)); in mount_ubifs()
1421 c->jhead_cnt - NONDATA_JHEADS_CNT); in mount_ubifs()
1423 c->log_lebs, UBIFS_LOG_LNUM, c->log_last); in mount_ubifs()
1425 c->lpt_lebs, c->lpt_first, c->lpt_last); in mount_ubifs()
1427 c->orph_lebs, c->orph_first, c->orph_last); in mount_ubifs()
1429 c->main_lebs, c->main_first, c->leb_cnt - 1); in mount_ubifs()
1430 dbg_gen("index LEBs: %d", c->lst.idx_lebs); in mount_ubifs()
1432 c->bi.old_idx_sz, c->bi.old_idx_sz >> 10, in mount_ubifs()
1433 c->bi.old_idx_sz >> 20); in mount_ubifs()
1434 dbg_gen("key hash type: %d", c->key_hash_type); in mount_ubifs()
1435 dbg_gen("tree fanout: %d", c->fanout); in mount_ubifs()
1436 dbg_gen("reserved GC LEB: %d", c->gc_lnum); in mount_ubifs()
1437 dbg_gen("max. znode size %d", c->max_znode_sz); in mount_ubifs()
1438 dbg_gen("max. index node size %d", c->max_idx_node_sz); in mount_ubifs()
1447 UBIFS_MAX_DENT_NODE_SZ, ubifs_idx_node_sz(c, c->fanout)); in mount_ubifs()
1448 dbg_gen("dead watermark: %d", c->dead_wm); in mount_ubifs()
1449 dbg_gen("dark watermark: %d", c->dark_wm); in mount_ubifs()
1450 dbg_gen("LEB overhead: %d", c->leb_overhead); in mount_ubifs()
1451 x = (long long)c->main_lebs * c->dark_wm; in mount_ubifs()
1455 c->max_bud_bytes, c->max_bud_bytes >> 10, in mount_ubifs()
1456 c->max_bud_bytes >> 20); in mount_ubifs()
1458 c->bg_bud_bytes, c->bg_bud_bytes >> 10, in mount_ubifs()
1459 c->bg_bud_bytes >> 20); in mount_ubifs()
1461 c->bud_bytes, c->bud_bytes >> 10, c->bud_bytes >> 20); in mount_ubifs()
1462 dbg_gen("max. seq. number: %llu", c->max_sqnum); in mount_ubifs()
1463 dbg_gen("commit number: %llu", c->cmt_no); in mount_ubifs()
1469 list_del(&c->infos_list); in mount_ubifs()
1472 free_orphans(c); in mount_ubifs()
1474 destroy_journal(c); in mount_ubifs()
1476 ubifs_lpt_free(c, 0); in mount_ubifs()
1478 kfree(c->mst_node); in mount_ubifs()
1479 kfree(c->rcvrd_mst_node); in mount_ubifs()
1480 if (c->bgt) in mount_ubifs()
1481 kthread_stop(c->bgt); in mount_ubifs()
1483 free_wbufs(c); in mount_ubifs()
1485 kfree(c->cbuf); in mount_ubifs()
1487 kfree(c->write_reserve_buf); in mount_ubifs()
1488 kfree(c->bu.buf); in mount_ubifs()
1489 vfree(c->ileb_buf); in mount_ubifs()
1490 vfree(c->sbuf); in mount_ubifs()
1491 kfree(c->bottom_up_buf); in mount_ubifs()
1492 ubifs_debugging_exit(c); in mount_ubifs()
1505 static void ubifs_umount(struct ubifs_info *c) in ubifs_umount() argument
1507 dbg_gen("un-mounting UBI device %d, volume %d", c->vi.ubi_num, in ubifs_umount()
1508 c->vi.vol_id); in ubifs_umount()
1510 dbg_debugfs_exit_fs(c); in ubifs_umount()
1512 list_del(&c->infos_list); in ubifs_umount()
1515 if (c->bgt) in ubifs_umount()
1516 kthread_stop(c->bgt); in ubifs_umount()
1518 destroy_journal(c); in ubifs_umount()
1519 free_wbufs(c); in ubifs_umount()
1520 free_orphans(c); in ubifs_umount()
1521 ubifs_lpt_free(c, 0); in ubifs_umount()
1523 kfree(c->cbuf); in ubifs_umount()
1524 kfree(c->rcvrd_mst_node); in ubifs_umount()
1525 kfree(c->mst_node); in ubifs_umount()
1526 kfree(c->write_reserve_buf); in ubifs_umount()
1527 kfree(c->bu.buf); in ubifs_umount()
1528 vfree(c->ileb_buf); in ubifs_umount()
1529 vfree(c->sbuf); in ubifs_umount()
1530 kfree(c->bottom_up_buf); in ubifs_umount()
1531 ubifs_debugging_exit(c); in ubifs_umount()
1542 static int ubifs_remount_rw(struct ubifs_info *c) in ubifs_remount_rw() argument
1546 if (c->rw_incompat) { in ubifs_remount_rw()
1547 ubifs_err(c, "the file-system is not R/W-compatible"); in ubifs_remount_rw()
1548 …ubifs_msg(c, "on-flash format version is w%d/r%d, but software only supports up to version w%d/r%d… in ubifs_remount_rw()
1549 c->fmt_version, c->ro_compat_version, in ubifs_remount_rw()
1554 mutex_lock(&c->umount_mutex); in ubifs_remount_rw()
1555 dbg_save_space_info(c); in ubifs_remount_rw()
1556 c->remounting_rw = 1; in ubifs_remount_rw()
1557 c->ro_mount = 0; in ubifs_remount_rw()
1559 if (c->space_fixup) { in ubifs_remount_rw()
1560 err = ubifs_fixup_free_space(c); in ubifs_remount_rw()
1565 err = check_free_space(c); in ubifs_remount_rw()
1569 if (c->old_leb_cnt != c->leb_cnt) { in ubifs_remount_rw()
1572 sup = ubifs_read_sb_node(c); in ubifs_remount_rw()
1577 sup->leb_cnt = cpu_to_le32(c->leb_cnt); in ubifs_remount_rw()
1578 err = ubifs_write_sb_node(c, sup); in ubifs_remount_rw()
1584 if (c->need_recovery) { in ubifs_remount_rw()
1585 ubifs_msg(c, "completing deferred recovery"); in ubifs_remount_rw()
1586 err = ubifs_write_rcvrd_mst_node(c); in ubifs_remount_rw()
1589 err = ubifs_recover_size(c); in ubifs_remount_rw()
1592 err = ubifs_clean_lebs(c, c->sbuf); in ubifs_remount_rw()
1595 err = ubifs_recover_inl_heads(c, c->sbuf); in ubifs_remount_rw()
1600 ubifs_assert(c->tot_orphans == 0); in ubifs_remount_rw()
1601 err = ubifs_clear_orphans(c); in ubifs_remount_rw()
1606 if (!(c->mst_node->flags & cpu_to_le32(UBIFS_MST_DIRTY))) { in ubifs_remount_rw()
1607 c->mst_node->flags |= cpu_to_le32(UBIFS_MST_DIRTY); in ubifs_remount_rw()
1608 err = ubifs_write_master(c); in ubifs_remount_rw()
1613 c->ileb_buf = vmalloc(c->leb_size); in ubifs_remount_rw()
1614 if (!c->ileb_buf) { in ubifs_remount_rw()
1619 c->write_reserve_buf = kmalloc(COMPRESSED_DATA_NODE_BUF_SZ, GFP_KERNEL); in ubifs_remount_rw()
1620 if (!c->write_reserve_buf) { in ubifs_remount_rw()
1625 err = ubifs_lpt_init(c, 0, 1); in ubifs_remount_rw()
1630 c->bgt = kthread_create(ubifs_bg_thread, c, "%s", c->bgt_name); in ubifs_remount_rw()
1631 if (IS_ERR(c->bgt)) { in ubifs_remount_rw()
1632 err = PTR_ERR(c->bgt); in ubifs_remount_rw()
1633 c->bgt = NULL; in ubifs_remount_rw()
1634 ubifs_err(c, "cannot spawn \"%s\", error %d", in ubifs_remount_rw()
1635 c->bgt_name, err); in ubifs_remount_rw()
1638 wake_up_process(c->bgt); in ubifs_remount_rw()
1640 c->orph_buf = vmalloc(c->leb_size); in ubifs_remount_rw()
1641 if (!c->orph_buf) { in ubifs_remount_rw()
1647 lnum = c->lhead_lnum + 1; in ubifs_remount_rw()
1648 if (lnum >= UBIFS_LOG_LNUM + c->log_lebs) in ubifs_remount_rw()
1650 if (lnum == c->ltail_lnum) { in ubifs_remount_rw()
1651 err = ubifs_consolidate_log(c); in ubifs_remount_rw()
1656 if (c->need_recovery) in ubifs_remount_rw()
1657 err = ubifs_rcvry_gc_commit(c); in ubifs_remount_rw()
1659 err = ubifs_leb_unmap(c, c->gc_lnum); in ubifs_remount_rw()
1664 c->remounting_rw = 0; in ubifs_remount_rw()
1666 if (c->need_recovery) { in ubifs_remount_rw()
1667 c->need_recovery = 0; in ubifs_remount_rw()
1668 ubifs_msg(c, "deferred recovery completed"); in ubifs_remount_rw()
1680 err = dbg_check_space_info(c); in ubifs_remount_rw()
1683 mutex_unlock(&c->umount_mutex); in ubifs_remount_rw()
1687 c->ro_mount = 1; in ubifs_remount_rw()
1688 vfree(c->orph_buf); in ubifs_remount_rw()
1689 c->orph_buf = NULL; in ubifs_remount_rw()
1690 if (c->bgt) { in ubifs_remount_rw()
1691 kthread_stop(c->bgt); in ubifs_remount_rw()
1692 c->bgt = NULL; in ubifs_remount_rw()
1694 free_wbufs(c); in ubifs_remount_rw()
1695 kfree(c->write_reserve_buf); in ubifs_remount_rw()
1696 c->write_reserve_buf = NULL; in ubifs_remount_rw()
1697 vfree(c->ileb_buf); in ubifs_remount_rw()
1698 c->ileb_buf = NULL; in ubifs_remount_rw()
1699 ubifs_lpt_free(c, 1); in ubifs_remount_rw()
1700 c->remounting_rw = 0; in ubifs_remount_rw()
1701 mutex_unlock(&c->umount_mutex); in ubifs_remount_rw()
1712 static void ubifs_remount_ro(struct ubifs_info *c) in ubifs_remount_ro() argument
1716 ubifs_assert(!c->need_recovery); in ubifs_remount_ro()
1717 ubifs_assert(!c->ro_mount); in ubifs_remount_ro()
1719 mutex_lock(&c->umount_mutex); in ubifs_remount_ro()
1720 if (c->bgt) { in ubifs_remount_ro()
1721 kthread_stop(c->bgt); in ubifs_remount_ro()
1722 c->bgt = NULL; in ubifs_remount_ro()
1725 dbg_save_space_info(c); in ubifs_remount_ro()
1727 for (i = 0; i < c->jhead_cnt; i++) in ubifs_remount_ro()
1728 ubifs_wbuf_sync(&c->jheads[i].wbuf); in ubifs_remount_ro()
1730 c->mst_node->flags &= ~cpu_to_le32(UBIFS_MST_DIRTY); in ubifs_remount_ro()
1731 c->mst_node->flags |= cpu_to_le32(UBIFS_MST_NO_ORPHS); in ubifs_remount_ro()
1732 c->mst_node->gc_lnum = cpu_to_le32(c->gc_lnum); in ubifs_remount_ro()
1733 err = ubifs_write_master(c); in ubifs_remount_ro()
1735 ubifs_ro_mode(c, err); in ubifs_remount_ro()
1737 vfree(c->orph_buf); in ubifs_remount_ro()
1738 c->orph_buf = NULL; in ubifs_remount_ro()
1739 kfree(c->write_reserve_buf); in ubifs_remount_ro()
1740 c->write_reserve_buf = NULL; in ubifs_remount_ro()
1741 vfree(c->ileb_buf); in ubifs_remount_ro()
1742 c->ileb_buf = NULL; in ubifs_remount_ro()
1743 ubifs_lpt_free(c, 1); in ubifs_remount_ro()
1744 c->ro_mount = 1; in ubifs_remount_ro()
1745 err = dbg_check_space_info(c); in ubifs_remount_ro()
1747 ubifs_ro_mode(c, err); in ubifs_remount_ro()
1748 mutex_unlock(&c->umount_mutex); in ubifs_remount_ro()
1754 struct ubifs_info *c = sb->s_fs_info; in ubifs_put_super() local
1756 ubifs_msg(c, "un-mount UBI device %d", c->vi.ubi_num); in ubifs_put_super()
1763 if (!c->ro_error) { in ubifs_put_super()
1764 ubifs_assert(c->bi.idx_growth == 0); in ubifs_put_super()
1765 ubifs_assert(c->bi.dd_growth == 0); in ubifs_put_super()
1766 ubifs_assert(c->bi.data_growth == 0); in ubifs_put_super()
1775 mutex_lock(&c->umount_mutex); in ubifs_put_super()
1776 if (!c->ro_mount) { in ubifs_put_super()
1781 if (c->bgt) { in ubifs_put_super()
1782 kthread_stop(c->bgt); in ubifs_put_super()
1783 c->bgt = NULL; in ubifs_put_super()
1790 if (!c->ro_error) { in ubifs_put_super()
1794 for (i = 0; i < c->jhead_cnt; i++) in ubifs_put_super()
1795 ubifs_wbuf_sync(&c->jheads[i].wbuf); in ubifs_put_super()
1802 c->mst_node->flags &= ~cpu_to_le32(UBIFS_MST_DIRTY); in ubifs_put_super()
1803 c->mst_node->flags |= cpu_to_le32(UBIFS_MST_NO_ORPHS); in ubifs_put_super()
1804 c->mst_node->gc_lnum = cpu_to_le32(c->gc_lnum); in ubifs_put_super()
1805 err = ubifs_write_master(c); in ubifs_put_super()
1812 ubifs_err(c, "failed to write master node, error %d", in ubifs_put_super()
1815 for (i = 0; i < c->jhead_cnt; i++) in ubifs_put_super()
1817 hrtimer_cancel(&c->jheads[i].wbuf.timer); in ubifs_put_super()
1821 ubifs_umount(c); in ubifs_put_super()
1822 bdi_destroy(&c->bdi); in ubifs_put_super()
1823 ubi_close_volume(c->ubi); in ubifs_put_super()
1824 mutex_unlock(&c->umount_mutex); in ubifs_put_super()
1830 struct ubifs_info *c = sb->s_fs_info; in ubifs_remount_fs() local
1835 err = ubifs_parse_options(c, data, 1); in ubifs_remount_fs()
1837 ubifs_err(c, "invalid or unknown remount parameter"); in ubifs_remount_fs()
1841 if (c->ro_mount && !(*flags & MS_RDONLY)) { in ubifs_remount_fs()
1842 if (c->ro_error) { in ubifs_remount_fs()
1843 ubifs_msg(c, "cannot re-mount R/W due to prior errors"); in ubifs_remount_fs()
1846 if (c->ro_media) { in ubifs_remount_fs()
1847 ubifs_msg(c, "cannot re-mount R/W - UBI volume is R/O"); in ubifs_remount_fs()
1850 err = ubifs_remount_rw(c); in ubifs_remount_fs()
1853 } else if (!c->ro_mount && (*flags & MS_RDONLY)) { in ubifs_remount_fs()
1854 if (c->ro_error) { in ubifs_remount_fs()
1855 ubifs_msg(c, "cannot re-mount R/O due to prior errors"); in ubifs_remount_fs()
1858 ubifs_remount_ro(c); in ubifs_remount_fs()
1861 if (c->bulk_read == 1) in ubifs_remount_fs()
1862 bu_init(c); in ubifs_remount_fs()
1865 kfree(c->bu.buf); in ubifs_remount_fs()
1866 c->bu.buf = NULL; in ubifs_remount_fs()
1869 ubifs_assert(c->lst.taken_empty_lebs > 0); in ubifs_remount_fs()
1950 struct ubifs_info *c; in alloc_ubifs_info() local
1952 c = kzalloc(sizeof(struct ubifs_info), GFP_KERNEL); in alloc_ubifs_info()
1953 if (c) { in alloc_ubifs_info()
1954 spin_lock_init(&c->cnt_lock); in alloc_ubifs_info()
1955 spin_lock_init(&c->cs_lock); in alloc_ubifs_info()
1956 spin_lock_init(&c->buds_lock); in alloc_ubifs_info()
1957 spin_lock_init(&c->space_lock); in alloc_ubifs_info()
1958 spin_lock_init(&c->orphan_lock); in alloc_ubifs_info()
1959 init_rwsem(&c->commit_sem); in alloc_ubifs_info()
1960 mutex_init(&c->lp_mutex); in alloc_ubifs_info()
1961 mutex_init(&c->tnc_mutex); in alloc_ubifs_info()
1962 mutex_init(&c->log_mutex); in alloc_ubifs_info()
1963 mutex_init(&c->umount_mutex); in alloc_ubifs_info()
1964 mutex_init(&c->bu_mutex); in alloc_ubifs_info()
1965 mutex_init(&c->write_reserve_mutex); in alloc_ubifs_info()
1966 init_waitqueue_head(&c->cmt_wq); in alloc_ubifs_info()
1967 c->buds = RB_ROOT; in alloc_ubifs_info()
1968 c->old_idx = RB_ROOT; in alloc_ubifs_info()
1969 c->size_tree = RB_ROOT; in alloc_ubifs_info()
1970 c->orph_tree = RB_ROOT; in alloc_ubifs_info()
1971 INIT_LIST_HEAD(&c->infos_list); in alloc_ubifs_info()
1972 INIT_LIST_HEAD(&c->idx_gc); in alloc_ubifs_info()
1973 INIT_LIST_HEAD(&c->replay_list); in alloc_ubifs_info()
1974 INIT_LIST_HEAD(&c->replay_buds); in alloc_ubifs_info()
1975 INIT_LIST_HEAD(&c->uncat_list); in alloc_ubifs_info()
1976 INIT_LIST_HEAD(&c->empty_list); in alloc_ubifs_info()
1977 INIT_LIST_HEAD(&c->freeable_list); in alloc_ubifs_info()
1978 INIT_LIST_HEAD(&c->frdi_idx_list); in alloc_ubifs_info()
1979 INIT_LIST_HEAD(&c->unclean_leb_list); in alloc_ubifs_info()
1980 INIT_LIST_HEAD(&c->old_buds); in alloc_ubifs_info()
1981 INIT_LIST_HEAD(&c->orph_list); in alloc_ubifs_info()
1982 INIT_LIST_HEAD(&c->orph_new); in alloc_ubifs_info()
1983 c->no_chk_data_crc = 1; in alloc_ubifs_info()
1985 c->highest_inum = UBIFS_FIRST_INO; in alloc_ubifs_info()
1986 c->lhead_lnum = c->ltail_lnum = UBIFS_LOG_LNUM; in alloc_ubifs_info()
1988 ubi_get_volume_info(ubi, &c->vi); in alloc_ubifs_info()
1989 ubi_get_device_info(c->vi.ubi_num, &c->di); in alloc_ubifs_info()
1991 return c; in alloc_ubifs_info()
1996 struct ubifs_info *c = sb->s_fs_info; in ubifs_fill_super() local
2000 c->vfs_sb = sb; in ubifs_fill_super()
2002 c->ubi = ubi_open_volume(c->vi.ubi_num, c->vi.vol_id, UBI_READWRITE); in ubifs_fill_super()
2003 if (IS_ERR(c->ubi)) { in ubifs_fill_super()
2004 err = PTR_ERR(c->ubi); in ubifs_fill_super()
2016 c->bdi.name = "ubifs", in ubifs_fill_super()
2017 c->bdi.capabilities = 0; in ubifs_fill_super()
2018 err = bdi_init(&c->bdi); in ubifs_fill_super()
2021 err = bdi_register(&c->bdi, NULL, "ubifs_%d_%d", in ubifs_fill_super()
2022 c->vi.ubi_num, c->vi.vol_id); in ubifs_fill_super()
2026 err = ubifs_parse_options(c, data, 0); in ubifs_fill_super()
2030 sb->s_bdi = &c->bdi; in ubifs_fill_super()
2031 sb->s_fs_info = c; in ubifs_fill_super()
2035 sb->s_maxbytes = c->max_inode_sz = key_max_inode_size(c); in ubifs_fill_super()
2036 if (c->max_inode_sz > MAX_LFS_FILESIZE) in ubifs_fill_super()
2037 sb->s_maxbytes = c->max_inode_sz = MAX_LFS_FILESIZE; in ubifs_fill_super()
2041 mutex_lock(&c->umount_mutex); in ubifs_fill_super()
2042 err = mount_ubifs(c); in ubifs_fill_super()
2061 mutex_unlock(&c->umount_mutex); in ubifs_fill_super()
2065 ubifs_umount(c); in ubifs_fill_super()
2067 mutex_unlock(&c->umount_mutex); in ubifs_fill_super()
2069 bdi_destroy(&c->bdi); in ubifs_fill_super()
2071 ubi_close_volume(c->ubi); in ubifs_fill_super()
2079 struct ubifs_info *c = sb->s_fs_info; in sb_test() local
2081 return c->vi.cdev == c1->vi.cdev; in sb_test()
2094 struct ubifs_info *c; in ubifs_mount() local
2112 c = alloc_ubifs_info(ubi); in ubifs_mount()
2113 if (!c) { in ubifs_mount()
2118 dbg_gen("opened ubi%d_%d", c->vi.ubi_num, c->vi.vol_id); in ubifs_mount()
2120 sb = sget(fs_type, sb_test, sb_set, flags, c); in ubifs_mount()
2123 kfree(c); in ubifs_mount()
2129 kfree(c); in ubifs_mount()
2158 struct ubifs_info *c = s->s_fs_info; in kill_ubifs_super() local
2160 kfree(c); in kill_ubifs_super()