Lines Matching +full:out +full:- +full:volume +full:- +full:limit
1 // SPDX-License-Identifier: GPL-2.0-only
6 * Super block routines for the OSTA-UDF(tm) filesystem.
9 * OSTA-UDF(tm) = Optical Storage Technology Association
20 * (C) 1998-2004 Ben Fennema
28 * 10/16/98 attempting some multi-session support
53 #include <linux/crc-itu-t.h>
76 * Maximum number of Terminating Descriptor / Logical Volume Integrity
77 * Descriptor redirections. The chosen numbers are arbitrary - just that we
78 * hopefully don't limit any real use of rewritten inode on write-once media
86 * We limit filesize to 4TB. This is arbitrary as the on-disk format supports
93 /* These are the "meat" - everything else is stuffing */
111 if (!UDF_SB(sb)->s_lvid_bh) in udf_sb_lvidiu()
113 lvid = (struct logicalVolIntegrityDesc *)UDF_SB(sb)->s_lvid_bh->b_data; in udf_sb_lvidiu()
114 partnum = le32_to_cpu(lvid->numOfPartitions); in udf_sb_lvidiu()
146 ei->i_unique = 0; in udf_alloc_inode()
147 ei->i_lenExtents = 0; in udf_alloc_inode()
148 ei->i_lenStreams = 0; in udf_alloc_inode()
149 ei->i_next_alloc_block = 0; in udf_alloc_inode()
150 ei->i_next_alloc_goal = 0; in udf_alloc_inode()
151 ei->i_strat4096 = 0; in udf_alloc_inode()
152 ei->i_streamdir = 0; in udf_alloc_inode()
153 ei->i_hidden = 0; in udf_alloc_inode()
154 init_rwsem(&ei->i_data_sem); in udf_alloc_inode()
155 ei->cached_extent.lstart = -1; in udf_alloc_inode()
156 spin_lock_init(&ei->i_extent_cache_lock); in udf_alloc_inode()
157 inode_set_iversion(&ei->vfs_inode, 1); in udf_alloc_inode()
159 return &ei->vfs_inode; in udf_alloc_inode()
171 ei->i_data = NULL; in init_once()
172 inode_init_once(&ei->vfs_inode); in init_once()
184 return -ENOMEM; in init_inodecache()
235 goto out; in init_udf_fs()
239 out: in init_udf_fs()
256 sbi->s_partmaps = kcalloc(count, sizeof(*sbi->s_partmaps), GFP_KERNEL); in udf_sb_alloc_partition_maps()
257 if (!sbi->s_partmaps) { in udf_sb_alloc_partition_maps()
258 sbi->s_partitions = 0; in udf_sb_alloc_partition_maps()
259 return -ENOMEM; in udf_sb_alloc_partition_maps()
262 sbi->s_partitions = count; in udf_sb_alloc_partition_maps()
269 int nr_groups = bitmap->s_nr_groups; in udf_sb_free_bitmap()
272 brelse(bitmap->s_block_bitmap[i]); in udf_sb_free_bitmap()
282 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) in udf_free_partition()
283 iput(map->s_uspace.s_table); in udf_free_partition()
284 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) in udf_free_partition()
285 udf_sb_free_bitmap(map->s_uspace.s_bitmap); in udf_free_partition()
286 if (map->s_partition_type == UDF_SPARABLE_MAP15) in udf_free_partition()
288 brelse(map->s_type_specific.s_sparing.s_spar_map[i]); in udf_free_partition()
289 else if (map->s_partition_type == UDF_METADATA_MAP25) { in udf_free_partition()
290 mdata = &map->s_type_specific.s_metadata; in udf_free_partition()
291 iput(mdata->s_metadata_fe); in udf_free_partition()
292 mdata->s_metadata_fe = NULL; in udf_free_partition()
294 iput(mdata->s_mirror_fe); in udf_free_partition()
295 mdata->s_mirror_fe = NULL; in udf_free_partition()
297 iput(mdata->s_bitmap_fe); in udf_free_partition()
298 mdata->s_bitmap_fe = NULL; in udf_free_partition()
307 if (!sbi->s_partmaps) in udf_sb_free_partitions()
309 for (i = 0; i < sbi->s_partitions; i++) in udf_sb_free_partitions()
310 udf_free_partition(&sbi->s_partmaps[i]); in udf_sb_free_partitions()
311 kfree(sbi->s_partmaps); in udf_sb_free_partitions()
312 sbi->s_partmaps = NULL; in udf_sb_free_partitions()
317 struct super_block *sb = root->d_sb; in udf_show_options()
323 seq_printf(seq, ",bs=%lu", sb->s_blocksize); in udf_show_options()
337 seq_printf(seq, ",uid=%u", from_kuid(&init_user_ns, sbi->s_uid)); in udf_show_options()
339 seq_printf(seq, ",gid=%u", from_kgid(&init_user_ns, sbi->s_gid)); in udf_show_options()
340 if (sbi->s_umask != 0) in udf_show_options()
341 seq_printf(seq, ",umask=%ho", sbi->s_umask); in udf_show_options()
342 if (sbi->s_fmode != UDF_INVALID_MODE) in udf_show_options()
343 seq_printf(seq, ",mode=%ho", sbi->s_fmode); in udf_show_options()
344 if (sbi->s_dmode != UDF_INVALID_MODE) in udf_show_options()
345 seq_printf(seq, ",dmode=%ho", sbi->s_dmode); in udf_show_options()
347 seq_printf(seq, ",session=%d", sbi->s_session); in udf_show_options()
349 seq_printf(seq, ",lastblock=%u", sbi->s_last_block); in udf_show_options()
350 if (sbi->s_anchor != 0) in udf_show_options()
351 seq_printf(seq, ",anchor=%u", sbi->s_anchor); in udf_show_options()
352 if (sbi->s_nls_map) in udf_show_options()
353 seq_printf(seq, ",iocharset=%s", sbi->s_nls_map->charset); in udf_show_options()
386 * novrs Skip volume sequence recognition
392 * volume= Override the VolumeDesc location. (unused)
400 * WARNING: overriding the rootdir to a non-directory may
403 * PRE-CONDITIONS
407 * POST-CONDITIONS
412 * July 1, 1997 - Andrew E. Mileski
446 {Opt_volume, "volume=%u"},
464 uopt->novrs = 0; in udf_parse_options()
465 uopt->session = 0xFFFFFFFF; in udf_parse_options()
466 uopt->lastblock = 0; in udf_parse_options()
467 uopt->anchor = 0; in udf_parse_options()
482 uopt->novrs = 1; in udf_parse_options()
490 uopt->blocksize = n; in udf_parse_options()
491 uopt->flags |= (1 << UDF_FLAG_BLOCKSIZE_SET); in udf_parse_options()
494 uopt->flags |= (1 << UDF_FLAG_UNHIDE); in udf_parse_options()
497 uopt->flags |= (1 << UDF_FLAG_UNDELETE); in udf_parse_options()
500 uopt->flags &= ~(1 << UDF_FLAG_USE_AD_IN_ICB); in udf_parse_options()
503 uopt->flags |= (1 << UDF_FLAG_USE_AD_IN_ICB); in udf_parse_options()
506 uopt->flags |= (1 << UDF_FLAG_USE_SHORT_AD); in udf_parse_options()
509 uopt->flags &= ~(1 << UDF_FLAG_USE_SHORT_AD); in udf_parse_options()
514 uopt->gid = make_kgid(current_user_ns(), uv); in udf_parse_options()
515 if (!gid_valid(uopt->gid)) in udf_parse_options()
517 uopt->flags |= (1 << UDF_FLAG_GID_SET); in udf_parse_options()
522 uopt->uid = make_kuid(current_user_ns(), uv); in udf_parse_options()
523 if (!uid_valid(uopt->uid)) in udf_parse_options()
525 uopt->flags |= (1 << UDF_FLAG_UID_SET); in udf_parse_options()
530 uopt->umask = option; in udf_parse_options()
533 uopt->flags &= ~(1 << UDF_FLAG_STRICT); in udf_parse_options()
538 uopt->session = option; in udf_parse_options()
540 uopt->flags |= (1 << UDF_FLAG_SESSION_SET); in udf_parse_options()
545 uopt->lastblock = option; in udf_parse_options()
547 uopt->flags |= (1 << UDF_FLAG_LASTBLOCK_SET); in udf_parse_options()
552 uopt->anchor = option; in udf_parse_options()
562 unload_nls(uopt->nls_map); in udf_parse_options()
563 uopt->nls_map = NULL; in udf_parse_options()
568 unload_nls(uopt->nls_map); in udf_parse_options()
569 uopt->nls_map = NULL; in udf_parse_options()
571 /* When nls_map is not loaded then UTF-8 is used */ in udf_parse_options()
573 uopt->nls_map = load_nls(args[0].from); in udf_parse_options()
574 if (!uopt->nls_map) { in udf_parse_options()
582 uopt->flags |= (1 << UDF_FLAG_UID_FORGET); in udf_parse_options()
589 uopt->flags |= (1 << UDF_FLAG_GID_FORGET); in udf_parse_options()
594 uopt->fmode = option & 0777; in udf_parse_options()
599 uopt->dmode = option & 0777; in udf_parse_options()
616 return -EACCES; in udf_remount_fs()
620 uopt.flags = sbi->s_flags; in udf_remount_fs()
621 uopt.uid = sbi->s_uid; in udf_remount_fs()
622 uopt.gid = sbi->s_gid; in udf_remount_fs()
623 uopt.umask = sbi->s_umask; in udf_remount_fs()
624 uopt.fmode = sbi->s_fmode; in udf_remount_fs()
625 uopt.dmode = sbi->s_dmode; in udf_remount_fs()
629 return -EINVAL; in udf_remount_fs()
631 write_lock(&sbi->s_cred_lock); in udf_remount_fs()
632 sbi->s_flags = uopt.flags; in udf_remount_fs()
633 sbi->s_uid = uopt.uid; in udf_remount_fs()
634 sbi->s_gid = uopt.gid; in udf_remount_fs()
635 sbi->s_umask = uopt.umask; in udf_remount_fs()
636 sbi->s_fmode = uopt.fmode; in udf_remount_fs()
637 sbi->s_dmode = uopt.dmode; in udf_remount_fs()
638 write_unlock(&sbi->s_cred_lock); in udf_remount_fs()
653 * Check VSD descriptor. Returns -1 in case we are at the end of volume
654 * recognition area, 0 if the descriptor is valid but non-interesting, 1 if
661 if (!memcmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) { in identify_vsd()
662 switch (vsd->structType) { in identify_vsd()
667 udf_debug("ISO9660 Primary Volume Descriptor found\n"); in identify_vsd()
670 udf_debug("ISO9660 Supplementary Volume Descriptor found\n"); in identify_vsd()
673 udf_debug("ISO9660 Volume Partition Descriptor found\n"); in identify_vsd()
676 udf_debug("ISO9660 Volume Descriptor Set Terminator found\n"); in identify_vsd()
679 udf_debug("ISO9660 VRS (%u) found\n", vsd->structType); in identify_vsd()
682 } else if (!memcmp(vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) in identify_vsd()
684 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) in identify_vsd()
686 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) in identify_vsd()
688 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_BOOT2, VSD_STD_ID_LEN)) in identify_vsd()
690 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_CDW02, VSD_STD_ID_LEN)) in identify_vsd()
693 /* TEA01 or invalid id : end of volume recognition area */ in identify_vsd()
694 ret = -1; in identify_vsd()
701 * Check Volume Structure Descriptors (ECMA 167 2/9.1)
702 * We also check any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1)
704 * -1 if first sector read error, 0 otherwise
717 if (sb->s_blocksize < sizeof(struct volStructDesc)) in udf_check_vsd()
720 sectorsize = sb->s_blocksize; in udf_check_vsd()
722 session_offset = (loff_t)sbi->s_session << sb->s_blocksize_bits; in udf_check_vsd()
726 (unsigned int)(sector >> sb->s_blocksize_bits), in udf_check_vsd()
727 sb->s_blocksize); in udf_check_vsd()
728 /* Process the sequence (if applicable). The hard limit on the sector in udf_check_vsd()
731 * bound to the size of the volume recognition area in the standard. in udf_check_vsd()
732 * The limit will prevent the code to read all the sectors of a in udf_check_vsd()
736 * (all 0xFF) before the check for the limit and all valid IDs were in udf_check_vsd()
740 bh = sb_bread(sb, sector >> sb->s_blocksize_bits); in udf_check_vsd()
744 vsd = (struct volStructDesc *)(bh->b_data + in udf_check_vsd()
745 (sector & (sb->s_blocksize - 1))); in udf_check_vsd()
757 if (sb->s_blocksize == 4096) { in udf_check_vsd()
768 else if (!bh && sector - session_offset == VSD_FIRST_SECTOR_OFFSET) in udf_check_vsd()
769 return -1; in udf_check_vsd()
779 if (memcmp(ident->ident, UDF_ID_COMPLIANT, strlen(UDF_ID_COMPLIANT))) { in udf_verify_domain_identifier()
783 if (ident->flags & ENTITYID_FLAGS_DIRTY) { in udf_verify_domain_identifier()
788 suffix = (struct domainIdentSuffix *)ident->identSuffix; in udf_verify_domain_identifier()
789 if ((suffix->domainFlags & DOMAIN_FLAGS_HARD_WRITE_PROTECT) || in udf_verify_domain_identifier()
790 (suffix->domainFlags & DOMAIN_FLAGS_SOFT_WRITE_PROTECT)) { in udf_verify_domain_identifier()
801 return -EACCES; in udf_verify_domain_identifier()
811 ret = udf_verify_domain_identifier(sb, &fset->domainIdent, "file set"); in udf_load_fileset()
815 *root = lelb_to_cpu(fset->rootDirectoryICB.extLocation); in udf_load_fileset()
816 UDF_SB(sb)->s_serial_number = le16_to_cpu(fset->descTag.tagSerialNum); in udf_load_fileset()
819 root->logicalBlockNum, root->partitionReferenceNum); in udf_load_fileset()
831 if (fileset->logicalBlockNum == 0xFFFFFFFF && in udf_find_fileset()
832 fileset->partitionReferenceNum == 0xFFFF) in udf_find_fileset()
833 return -EINVAL; in udf_find_fileset()
837 return -EIO; in udf_find_fileset()
840 return -EINVAL; in udf_find_fileset()
844 fileset->logicalBlockNum, fileset->partitionReferenceNum); in udf_find_fileset()
846 UDF_SB(sb)->s_partition = fileset->partitionReferenceNum; in udf_find_fileset()
847 ret = udf_load_fileset(sb, (struct fileSetDesc *)bh->b_data, root); in udf_find_fileset()
853 * Load primary Volume Descriptor Sequence
855 * Return <0 on error, 0 on success. -EAGAIN is special meaning next sequence
869 return -ENOMEM; in udf_load_pvoldesc()
873 ret = -EAGAIN; in udf_load_pvoldesc()
878 ret = -EIO; in udf_load_pvoldesc()
882 pvoldesc = (struct primaryVolDesc *)bh->b_data; in udf_load_pvoldesc()
884 udf_disk_stamp_to_time(&UDF_SB(sb)->s_record_time, in udf_load_pvoldesc()
885 pvoldesc->recordingDateAndTime); in udf_load_pvoldesc()
886 ts = &pvoldesc->recordingDateAndTime; in udf_load_pvoldesc()
888 le16_to_cpu(ts->year), ts->month, ts->day, ts->hour, in udf_load_pvoldesc()
889 ts->minute, le16_to_cpu(ts->typeAndTimezone)); in udf_load_pvoldesc()
891 ret = udf_dstrCS0toChar(sb, outstr, 31, pvoldesc->volIdent, 32); in udf_load_pvoldesc()
893 strcpy(UDF_SB(sb)->s_volume_ident, "InvalidName"); in udf_load_pvoldesc()
894 pr_warn("incorrect volume identification, setting to " in udf_load_pvoldesc()
897 strncpy(UDF_SB(sb)->s_volume_ident, outstr, ret); in udf_load_pvoldesc()
899 udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident); in udf_load_pvoldesc()
901 ret = udf_dstrCS0toChar(sb, outstr, 127, pvoldesc->volSetIdent, 128); in udf_load_pvoldesc()
932 if (UDF_I(metadata_fe)->i_alloc_type != ICBTAG_FLAG_AD_SHORT) { in udf_find_metadata_inode_efe()
935 return ERR_PTR(-EIO); in udf_find_metadata_inode_efe()
950 map = &sbi->s_partmaps[partition]; in udf_load_metadata_files()
951 mdata = &map->s_type_specific.s_metadata; in udf_load_metadata_files()
952 mdata->s_phys_partition_ref = type1_index; in udf_load_metadata_files()
956 mdata->s_meta_file_loc, mdata->s_phys_partition_ref); in udf_load_metadata_files()
958 fe = udf_find_metadata_inode_efe(sb, mdata->s_meta_file_loc, in udf_load_metadata_files()
959 mdata->s_phys_partition_ref); in udf_load_metadata_files()
963 mdata->s_mirror_file_loc, mdata->s_phys_partition_ref); in udf_load_metadata_files()
965 fe = udf_find_metadata_inode_efe(sb, mdata->s_mirror_file_loc, in udf_load_metadata_files()
966 mdata->s_phys_partition_ref); in udf_load_metadata_files()
972 mdata->s_mirror_fe = fe; in udf_load_metadata_files()
974 mdata->s_metadata_fe = fe; in udf_load_metadata_files()
980 * Load only if bitmap file location differs from 0xFFFFFFFF (DCN-5102) in udf_load_metadata_files()
982 if (mdata->s_bitmap_file_loc != 0xFFFFFFFF) { in udf_load_metadata_files()
983 addr.logicalBlockNum = mdata->s_bitmap_file_loc; in udf_load_metadata_files()
984 addr.partitionReferenceNum = mdata->s_phys_partition_ref; in udf_load_metadata_files()
992 udf_warn(sb, "bitmap inode efe not found but it's ok since the disc is mounted read-only\n"); in udf_load_metadata_files()
994 udf_err(sb, "bitmap inode efe not found and attempted read-write mount\n"); in udf_load_metadata_files()
998 mdata->s_bitmap_fe = fe; in udf_load_metadata_files()
1007 struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; in udf_compute_nr_groups()
1008 return DIV_ROUND_UP(map->s_partition_len + in udf_compute_nr_groups()
1010 sb->s_blocksize * 8); in udf_compute_nr_groups()
1023 bitmap->s_nr_groups = nr_groups; in udf_sb_alloc_bitmap()
1034 switch (le32_to_cpu(p->accessType)) { in check_partition_desc()
1042 if (strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR02) && in check_partition_desc()
1043 strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR03)) in check_partition_desc()
1046 phd = (struct partitionHeaderDesc *)p->partitionContentsUse; in check_partition_desc()
1047 utable = phd->unallocSpaceTable.extLength; in check_partition_desc()
1048 umap = phd->unallocSpaceBitmap.extLength; in check_partition_desc()
1049 ftable = phd->freedSpaceTable.extLength; in check_partition_desc()
1050 fmap = phd->freedSpaceBitmap.extLength; in check_partition_desc()
1059 /* UDF 2.60: 2.3.3 - no mixing of tables & bitmaps, no VAT. */ in check_partition_desc()
1063 if (map->s_partition_type == UDF_VIRTUAL_MAP15 || in check_partition_desc()
1064 map->s_partition_type == UDF_VIRTUAL_MAP20 || in check_partition_desc()
1065 map->s_partition_type == UDF_METADATA_MAP25) in check_partition_desc()
1071 return -EACCES; in check_partition_desc()
1084 map = &sbi->s_partmaps[p_index]; in udf_fill_partdesc_info()
1086 map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */ in udf_fill_partdesc_info()
1087 map->s_partition_root = le32_to_cpu(p->partitionStartingLocation); in udf_fill_partdesc_info()
1089 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_READ_ONLY)) in udf_fill_partdesc_info()
1090 map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY; in udf_fill_partdesc_info()
1091 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_WRITE_ONCE)) in udf_fill_partdesc_info()
1092 map->s_partition_flags |= UDF_PART_FLAG_WRITE_ONCE; in udf_fill_partdesc_info()
1093 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_REWRITABLE)) in udf_fill_partdesc_info()
1094 map->s_partition_flags |= UDF_PART_FLAG_REWRITABLE; in udf_fill_partdesc_info()
1095 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_OVERWRITABLE)) in udf_fill_partdesc_info()
1096 map->s_partition_flags |= UDF_PART_FLAG_OVERWRITABLE; in udf_fill_partdesc_info()
1099 p_index, map->s_partition_type, in udf_fill_partdesc_info()
1100 map->s_partition_root, map->s_partition_len); in udf_fill_partdesc_info()
1114 phd = (struct partitionHeaderDesc *)p->partitionContentsUse; in udf_fill_partdesc_info()
1115 if (phd->unallocSpaceTable.extLength) { in udf_fill_partdesc_info()
1118 phd->unallocSpaceTable.extPosition), in udf_fill_partdesc_info()
1129 map->s_uspace.s_table = inode; in udf_fill_partdesc_info()
1130 map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_TABLE; in udf_fill_partdesc_info()
1132 p_index, map->s_uspace.s_table->i_ino); in udf_fill_partdesc_info()
1135 if (phd->unallocSpaceBitmap.extLength) { in udf_fill_partdesc_info()
1138 return -ENOMEM; in udf_fill_partdesc_info()
1139 map->s_uspace.s_bitmap = bitmap; in udf_fill_partdesc_info()
1140 bitmap->s_extPosition = le32_to_cpu( in udf_fill_partdesc_info()
1141 phd->unallocSpaceBitmap.extPosition); in udf_fill_partdesc_info()
1142 map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP; in udf_fill_partdesc_info()
1144 p_index, bitmap->s_extPosition); in udf_fill_partdesc_info()
1154 struct udf_part_map *map = &sbi->s_partmaps[p_index]; in udf_find_vat_block()
1165 vat_block >= map->s_partition_root && in udf_find_vat_block()
1166 vat_block >= start_block - 3; vat_block--) { in udf_find_vat_block()
1167 ino.logicalBlockNum = vat_block - map->s_partition_root; in udf_find_vat_block()
1170 sbi->s_vat_inode = inode; in udf_find_vat_block()
1179 struct udf_part_map *map = &sbi->s_partmaps[p_index]; in udf_load_vat()
1185 udf_find_vat_block(sb, p_index, type1_index, sbi->s_last_block); in udf_load_vat()
1186 if (!sbi->s_vat_inode && in udf_load_vat()
1187 sbi->s_last_block != blocks - 1) { in udf_load_vat()
1189 (unsigned long)sbi->s_last_block, in udf_load_vat()
1190 (unsigned long)blocks - 1); in udf_load_vat()
1191 udf_find_vat_block(sb, p_index, type1_index, blocks - 1); in udf_load_vat()
1193 if (!sbi->s_vat_inode) in udf_load_vat()
1194 return -EIO; in udf_load_vat()
1196 if (map->s_partition_type == UDF_VIRTUAL_MAP15) { in udf_load_vat()
1197 map->s_type_specific.s_virtual.s_start_offset = 0; in udf_load_vat()
1198 map->s_type_specific.s_virtual.s_num_entries = in udf_load_vat()
1199 (sbi->s_vat_inode->i_size - 36) >> 2; in udf_load_vat()
1200 } else if (map->s_partition_type == UDF_VIRTUAL_MAP20) { in udf_load_vat()
1201 vati = UDF_I(sbi->s_vat_inode); in udf_load_vat()
1202 if (vati->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) { in udf_load_vat()
1205 bh = udf_bread(sbi->s_vat_inode, 0, 0, &err); in udf_load_vat()
1208 err = -EFSCORRUPTED; in udf_load_vat()
1211 vat20 = (struct virtualAllocationTable20 *)bh->b_data; in udf_load_vat()
1214 vati->i_data; in udf_load_vat()
1217 map->s_type_specific.s_virtual.s_start_offset = in udf_load_vat()
1218 le16_to_cpu(vat20->lengthHeader); in udf_load_vat()
1219 map->s_type_specific.s_virtual.s_num_entries = in udf_load_vat()
1220 (sbi->s_vat_inode->i_size - in udf_load_vat()
1221 map->s_type_specific.s_virtual. in udf_load_vat()
1231 * Returns <0 on error, 0 on success, -EAGAIN is special - try next descriptor
1247 return -EAGAIN; in udf_load_partdesc()
1253 p = (struct partitionDesc *)bh->b_data; in udf_load_partdesc()
1254 partitionNumber = le16_to_cpu(p->partitionNumber); in udf_load_partdesc()
1257 for (i = 0; i < sbi->s_partitions; i++) { in udf_load_partdesc()
1258 map = &sbi->s_partmaps[i]; in udf_load_partdesc()
1260 map->s_partition_num, partitionNumber); in udf_load_partdesc()
1261 if (map->s_partition_num == partitionNumber && in udf_load_partdesc()
1262 (map->s_partition_type == UDF_TYPE1_MAP15 || in udf_load_partdesc()
1263 map->s_partition_type == UDF_SPARABLE_MAP15)) in udf_load_partdesc()
1267 if (i >= sbi->s_partitions) { in udf_load_partdesc()
1284 for (i = 0; i < sbi->s_partitions; i++) { in udf_load_partdesc()
1285 map = &sbi->s_partmaps[i]; in udf_load_partdesc()
1287 if (map->s_partition_num == partitionNumber && in udf_load_partdesc()
1288 (map->s_partition_type == UDF_VIRTUAL_MAP15 || in udf_load_partdesc()
1289 map->s_partition_type == UDF_VIRTUAL_MAP20 || in udf_load_partdesc()
1290 map->s_partition_type == UDF_METADATA_MAP25)) in udf_load_partdesc()
1294 if (i >= sbi->s_partitions) { in udf_load_partdesc()
1303 if (map->s_partition_type == UDF_METADATA_MAP25) { in udf_load_partdesc()
1317 ret = -EACCES; in udf_load_partdesc()
1339 struct udf_sparing_data *sdata = &map->s_type_specific.s_sparing; in udf_load_sparable_map()
1343 map->s_partition_type = UDF_SPARABLE_MAP15; in udf_load_sparable_map()
1344 sdata->s_packet_len = le16_to_cpu(spm->packetLength); in udf_load_sparable_map()
1345 if (!is_power_of_2(sdata->s_packet_len)) { in udf_load_sparable_map()
1346 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1348 (unsigned)sdata->s_packet_len); in udf_load_sparable_map()
1349 return -EIO; in udf_load_sparable_map()
1351 if (spm->numSparingTables > 4) { in udf_load_sparable_map()
1352 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1354 (int)spm->numSparingTables); in udf_load_sparable_map()
1355 return -EIO; in udf_load_sparable_map()
1357 if (le32_to_cpu(spm->sizeSparingTable) > sb->s_blocksize) { in udf_load_sparable_map()
1358 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1360 le32_to_cpu(spm->sizeSparingTable)); in udf_load_sparable_map()
1361 return -EIO; in udf_load_sparable_map()
1364 for (i = 0; i < spm->numSparingTables; i++) { in udf_load_sparable_map()
1365 loc = le32_to_cpu(spm->locSparingTable[i]); in udf_load_sparable_map()
1370 st = (struct sparingTable *)bh->b_data; in udf_load_sparable_map()
1372 strncmp(st->sparingIdent.ident, UDF_ID_SPARING, in udf_load_sparable_map()
1374 sizeof(*st) + le16_to_cpu(st->reallocationTableLen) > in udf_load_sparable_map()
1375 sb->s_blocksize) { in udf_load_sparable_map()
1380 sdata->s_spar_map[i] = bh; in udf_load_sparable_map()
1382 map->s_partition_func = udf_get_pblock_spar15; in udf_load_sparable_map()
1401 return -EAGAIN; in udf_load_logicalvol()
1403 lvd = (struct logicalVolDesc *)bh->b_data; in udf_load_logicalvol()
1404 table_len = le32_to_cpu(lvd->mapTableLength); in udf_load_logicalvol()
1405 if (table_len > sb->s_blocksize - sizeof(*lvd)) { in udf_load_logicalvol()
1406 udf_err(sb, "error loading logical volume descriptor: " in udf_load_logicalvol()
1408 sb->s_blocksize - sizeof(*lvd)); in udf_load_logicalvol()
1409 ret = -EIO; in udf_load_logicalvol()
1413 ret = udf_verify_domain_identifier(sb, &lvd->domainIdent, in udf_load_logicalvol()
1414 "logical volume"); in udf_load_logicalvol()
1417 ret = udf_sb_alloc_partition_maps(sb, le32_to_cpu(lvd->numPartitionMaps)); in udf_load_logicalvol()
1422 i < sbi->s_partitions && offset < table_len; in udf_load_logicalvol()
1423 i++, offset += gpm->partitionMapLength) { in udf_load_logicalvol()
1424 struct udf_part_map *map = &sbi->s_partmaps[i]; in udf_load_logicalvol()
1426 &(lvd->partitionMaps[offset]); in udf_load_logicalvol()
1427 type = gpm->partitionMapType; in udf_load_logicalvol()
1431 map->s_partition_type = UDF_TYPE1_MAP15; in udf_load_logicalvol()
1432 map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum); in udf_load_logicalvol()
1433 map->s_partition_num = le16_to_cpu(gpm1->partitionNum); in udf_load_logicalvol()
1434 map->s_partition_func = NULL; in udf_load_logicalvol()
1438 if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, in udf_load_logicalvol()
1441 le16_to_cpu(((__le16 *)upm2->partIdent. in udf_load_logicalvol()
1444 map->s_partition_type = in udf_load_logicalvol()
1446 map->s_partition_func = in udf_load_logicalvol()
1449 map->s_partition_type = in udf_load_logicalvol()
1451 map->s_partition_func = in udf_load_logicalvol()
1454 } else if (!strncmp(upm2->partIdent.ident, in udf_load_logicalvol()
1461 } else if (!strncmp(upm2->partIdent.ident, in udf_load_logicalvol()
1465 &map->s_type_specific.s_metadata; in udf_load_logicalvol()
1468 &(lvd->partitionMaps[offset]); in udf_load_logicalvol()
1472 map->s_partition_type = UDF_METADATA_MAP25; in udf_load_logicalvol()
1473 map->s_partition_func = udf_get_pblock_meta25; in udf_load_logicalvol()
1475 mdata->s_meta_file_loc = in udf_load_logicalvol()
1476 le32_to_cpu(mdm->metadataFileLoc); in udf_load_logicalvol()
1477 mdata->s_mirror_file_loc = in udf_load_logicalvol()
1478 le32_to_cpu(mdm->metadataMirrorFileLoc); in udf_load_logicalvol()
1479 mdata->s_bitmap_file_loc = in udf_load_logicalvol()
1480 le32_to_cpu(mdm->metadataBitmapFileLoc); in udf_load_logicalvol()
1481 mdata->s_alloc_unit_size = in udf_load_logicalvol()
1482 le32_to_cpu(mdm->allocUnitSize); in udf_load_logicalvol()
1483 mdata->s_align_unit_size = in udf_load_logicalvol()
1484 le16_to_cpu(mdm->alignUnitSize); in udf_load_logicalvol()
1485 if (mdm->flags & 0x01) in udf_load_logicalvol()
1486 mdata->s_flags |= MF_DUPLICATE_MD; in udf_load_logicalvol()
1490 mdm->partIdent.identSuffix)); in udf_load_logicalvol()
1492 le16_to_cpu(mdm->partitionNum)); in udf_load_logicalvol()
1494 le32_to_cpu(mdm->allocUnitSize)); in udf_load_logicalvol()
1496 le32_to_cpu(mdm->metadataFileLoc)); in udf_load_logicalvol()
1498 le32_to_cpu(mdm->metadataMirrorFileLoc)); in udf_load_logicalvol()
1500 le32_to_cpu(mdm->metadataBitmapFileLoc)); in udf_load_logicalvol()
1502 mdata->s_flags, mdm->flags); in udf_load_logicalvol()
1505 upm2->partIdent.ident); in udf_load_logicalvol()
1508 map->s_volumeseqnum = le16_to_cpu(upm2->volSeqNum); in udf_load_logicalvol()
1509 map->s_partition_num = le16_to_cpu(upm2->partitionNum); in udf_load_logicalvol()
1511 udf_debug("Partition (%d:%u) type %u on volume %u\n", in udf_load_logicalvol()
1512 i, map->s_partition_num, type, map->s_volumeseqnum); in udf_load_logicalvol()
1516 struct long_ad *la = (struct long_ad *)&(lvd->logicalVolContentsUse[0]); in udf_load_logicalvol()
1518 *fileset = lelb_to_cpu(la->extLocation); in udf_load_logicalvol()
1520 fileset->logicalBlockNum, in udf_load_logicalvol()
1521 fileset->partitionReferenceNum); in udf_load_logicalvol()
1523 if (lvd->integritySeqExt.extLength) in udf_load_logicalvol()
1524 udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt)); in udf_load_logicalvol()
1527 if (!sbi->s_lvid_bh) { in udf_load_logicalvol()
1534 ret = -EACCES; in udf_load_logicalvol()
1543 * Find the prevailing Logical Volume Integrity Descriptor.
1567 loc.extLength -= sb->s_blocksize; in udf_load_logicalvolint()
1574 brelse(sbi->s_lvid_bh); in udf_load_logicalvolint()
1575 sbi->s_lvid_bh = final_bh; in udf_load_logicalvolint()
1577 lvid = (struct logicalVolIntegrityDesc *)final_bh->b_data; in udf_load_logicalvolint()
1578 if (lvid->nextIntegrityExt.extLength == 0) in udf_load_logicalvolint()
1581 loc = leea_to_cpu(lvid->nextIntegrityExt); in udf_load_logicalvolint()
1587 brelse(sbi->s_lvid_bh); in udf_load_logicalvolint()
1588 sbi->s_lvid_bh = NULL; in udf_load_logicalvolint()
1591 parts = le32_to_cpu(lvid->numOfPartitions); in udf_load_logicalvolint()
1592 impuselen = le32_to_cpu(lvid->lengthOfImpUse); in udf_load_logicalvolint()
1593 if (parts >= sb->s_blocksize || impuselen >= sb->s_blocksize || in udf_load_logicalvolint()
1595 2 * parts * sizeof(u32) > sb->s_blocksize) { in udf_load_logicalvolint()
1624 struct partitionDesc *desc = (struct partitionDesc *)bh->b_data; in handle_partition_descriptor()
1628 partnum = le16_to_cpu(desc->partitionNumber); in handle_partition_descriptor()
1629 for (i = 0; i < data->num_part_descs; i++) in handle_partition_descriptor()
1630 if (partnum == data->part_descs_loc[i].partnum) in handle_partition_descriptor()
1631 return &(data->part_descs_loc[i].rec); in handle_partition_descriptor()
1632 if (data->num_part_descs >= data->size_part_descs) { in handle_partition_descriptor()
1638 return ERR_PTR(-ENOMEM); in handle_partition_descriptor()
1639 memcpy(new_loc, data->part_descs_loc, in handle_partition_descriptor()
1640 data->size_part_descs * sizeof(*new_loc)); in handle_partition_descriptor()
1641 kfree(data->part_descs_loc); in handle_partition_descriptor()
1642 data->part_descs_loc = new_loc; in handle_partition_descriptor()
1643 data->size_part_descs = new_size; in handle_partition_descriptor()
1645 return &(data->part_descs_loc[data->num_part_descs++].rec); in handle_partition_descriptor()
1654 return &(data->vds[VDS_POS_PRIMARY_VOL_DESC]); in get_volume_descriptor_record()
1656 return &(data->vds[VDS_POS_IMP_USE_VOL_DESC]); in get_volume_descriptor_record()
1658 return &(data->vds[VDS_POS_LOGICAL_VOL_DESC]); in get_volume_descriptor_record()
1660 return &(data->vds[VDS_POS_UNALLOC_SPACE_DESC]); in get_volume_descriptor_record()
1668 * Process a main/reserve volume descriptor sequence.
1673 * Returns <0 on error, 0 on success. -EAGAIN is special - try next descriptor
1700 return -ENOMEM; in udf_process_sequence()
1711 /* Process each descriptor (ISO 13346 3/8.3-8.4) */ in udf_process_sequence()
1712 gd = (struct generic_desc *)bh->b_data; in udf_process_sequence()
1713 vdsn = le32_to_cpu(gd->volDescSeqNum); in udf_process_sequence()
1717 udf_err(sb, "too many Volume Descriptor " in udf_process_sequence()
1721 ret = -EIO; in udf_process_sequence()
1722 goto out; in udf_process_sequence()
1725 vdp = (struct volDescPtr *)bh->b_data; in udf_process_sequence()
1726 block = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation); in udf_process_sequence()
1728 vdp->nextVolDescSeqExt.extLength) >> in udf_process_sequence()
1729 sb->s_blocksize_bits; in udf_process_sequence()
1730 lastblock += block - 1; in udf_process_sequence()
1732 block--; in udf_process_sequence()
1743 goto out; in udf_process_sequence()
1748 if (vdsn >= curr->volDescSeqNum) { in udf_process_sequence()
1749 curr->volDescSeqNum = vdsn; in udf_process_sequence()
1750 curr->block = block; in udf_process_sequence()
1764 udf_err(sb, "Primary Volume Descriptor not found!\n"); in udf_process_sequence()
1765 ret = -EAGAIN; in udf_process_sequence()
1766 goto out; in udf_process_sequence()
1770 goto out; in udf_process_sequence()
1777 goto out; in udf_process_sequence()
1784 goto out; in udf_process_sequence()
1787 out: in udf_process_sequence()
1793 * Load Volume Descriptor Sequence described by anchor in bh
1804 anchor = (struct anchorVolDescPtr *)bh->b_data; in udf_load_sequence()
1807 main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation); in udf_load_sequence()
1808 main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength); in udf_load_sequence()
1809 main_e = main_e >> sb->s_blocksize_bits; in udf_load_sequence()
1810 main_e += main_s - 1; in udf_load_sequence()
1813 reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation); in udf_load_sequence()
1814 reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength); in udf_load_sequence()
1815 reserve_e = reserve_e >> sb->s_blocksize_bits; in udf_load_sequence()
1816 reserve_e += reserve_s - 1; in udf_load_sequence()
1821 if (ret != -EAGAIN) in udf_load_sequence()
1827 /* No sequence was OK, return -EIO */ in udf_load_sequence()
1828 if (ret == -EAGAIN) in udf_load_sequence()
1829 ret = -EIO; in udf_load_sequence()
1836 * load Volume Descriptor Sequence if so.
1838 * Returns <0 on error, 0 on success, -EAGAIN is special - try next anchor
1850 return -EAGAIN; in udf_check_anchor_block()
1853 return -EAGAIN; in udf_check_anchor_block()
1861 * Search for an anchor volume descriptor pointer.
1863 * Returns < 0 on error, 0 on success. -EAGAIN is special - try next set
1876 if (sbi->s_anchor) { in udf_scan_anchors()
1877 ret = udf_check_anchor_block(sb, sbi->s_anchor, fileset); in udf_scan_anchors()
1878 if (ret != -EAGAIN) in udf_scan_anchors()
1884 * lastblock-256 in udf_scan_anchors()
1888 ret = udf_check_anchor_block(sb, sbi->s_session + 256, fileset); in udf_scan_anchors()
1889 if (ret != -EAGAIN) in udf_scan_anchors()
1897 last[last_count++] = *lastblock - 1; in udf_scan_anchors()
1900 last[last_count++] = *lastblock - 2; in udf_scan_anchors()
1902 last[last_count++] = *lastblock - 150; in udf_scan_anchors()
1904 last[last_count++] = *lastblock - 152; in udf_scan_anchors()
1910 if (ret != -EAGAIN) { in udf_scan_anchors()
1917 ret = udf_check_anchor_block(sb, last[i] - 256, fileset); in udf_scan_anchors()
1918 if (ret != -EAGAIN) { in udf_scan_anchors()
1926 return udf_check_anchor_block(sb, sbi->s_session + 512, fileset); in udf_scan_anchors()
1930 * Check Volume Structure Descriptor, find Anchor block and load Volume
1933 * Returns < 0 on error, 0 on success. -EAGAIN is special meaning anchor
1943 if (!sb_set_blocksize(sb, uopt->blocksize)) { in udf_load_vrs()
1946 return -EINVAL; in udf_load_vrs()
1948 sbi->s_last_block = uopt->lastblock; in udf_load_vrs()
1949 if (!uopt->novrs) { in udf_load_vrs()
1955 return -EINVAL; in udf_load_vrs()
1957 if (nsr == -1) in udf_load_vrs()
1961 if (!sbi->s_last_block) in udf_load_vrs()
1962 sbi->s_last_block = udf_get_last_block(sb); in udf_load_vrs()
1967 /* Look for anchor block and load Volume Descriptor Sequence */ in udf_load_vrs()
1968 sbi->s_anchor = uopt->anchor; in udf_load_vrs()
1969 ret = udf_scan_anchors(sb, &sbi->s_last_block, fileset); in udf_load_vrs()
1971 if (!silent && ret == -EAGAIN) in udf_load_vrs()
1983 udf_time_to_disk_stamp(&lvid->recordingDateAndTime, ts); in udf_finalize_lvid()
1984 lvid->descTag.descCRC = cpu_to_le16( in udf_finalize_lvid()
1986 le16_to_cpu(lvid->descTag.descCRCLength))); in udf_finalize_lvid()
1987 lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag); in udf_finalize_lvid()
1993 struct buffer_head *bh = sbi->s_lvid_bh; in udf_open_lvid()
1999 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_open_lvid()
2004 mutex_lock(&sbi->s_alloc_mutex); in udf_open_lvid()
2005 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; in udf_open_lvid()
2006 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; in udf_open_lvid()
2007 if (le32_to_cpu(lvid->integrityType) == LVID_INTEGRITY_TYPE_CLOSE) in udf_open_lvid()
2008 lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN); in udf_open_lvid()
2014 sbi->s_lvid_dirty = 0; in udf_open_lvid()
2015 mutex_unlock(&sbi->s_alloc_mutex); in udf_open_lvid()
2023 struct buffer_head *bh = sbi->s_lvid_bh; in udf_close_lvid()
2029 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_close_lvid()
2034 mutex_lock(&sbi->s_alloc_mutex); in udf_close_lvid()
2035 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; in udf_close_lvid()
2036 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; in udf_close_lvid()
2037 if (UDF_MAX_WRITE_VERSION > le16_to_cpu(lvidiu->maxUDFWriteRev)) in udf_close_lvid()
2038 lvidiu->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION); in udf_close_lvid()
2039 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFReadRev)) in udf_close_lvid()
2040 lvidiu->minUDFReadRev = cpu_to_le16(sbi->s_udfrev); in udf_close_lvid()
2041 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFWriteRev)) in udf_close_lvid()
2042 lvidiu->minUDFWriteRev = cpu_to_le16(sbi->s_udfrev); in udf_close_lvid()
2044 lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); in udf_close_lvid()
2054 sbi->s_lvid_dirty = 0; in udf_close_lvid()
2055 mutex_unlock(&sbi->s_alloc_mutex); in udf_close_lvid()
2069 bh = sbi->s_lvid_bh; in lvid_get_unique_id()
2073 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in lvid_get_unique_id()
2074 lvhd = (struct logicalVolHeaderDesc *)lvid->logicalVolContentsUse; in lvid_get_unique_id()
2076 mutex_lock(&sbi->s_alloc_mutex); in lvid_get_unique_id()
2077 ret = uniqueID = le64_to_cpu(lvhd->uniqueID); in lvid_get_unique_id()
2080 lvhd->uniqueID = cpu_to_le64(uniqueID); in lvid_get_unique_id()
2082 mutex_unlock(&sbi->s_alloc_mutex); in lvid_get_unique_id()
2089 int ret = -EINVAL; in udf_fill_super()
2097 /* By default we'll use overflow[ug]id when UDF inode [ug]id == -1 */ in udf_fill_super()
2107 return -ENOMEM; in udf_fill_super()
2109 sb->s_fs_info = sbi; in udf_fill_super()
2111 mutex_init(&sbi->s_alloc_mutex); in udf_fill_super()
2119 sbi->s_flags = uopt.flags; in udf_fill_super()
2120 sbi->s_uid = uopt.uid; in udf_fill_super()
2121 sbi->s_gid = uopt.gid; in udf_fill_super()
2122 sbi->s_umask = uopt.umask; in udf_fill_super()
2123 sbi->s_fmode = uopt.fmode; in udf_fill_super()
2124 sbi->s_dmode = uopt.dmode; in udf_fill_super()
2125 sbi->s_nls_map = uopt.nls_map; in udf_fill_super()
2126 rwlock_init(&sbi->s_cred_lock); in udf_fill_super()
2129 sbi->s_session = udf_get_last_session(sb); in udf_fill_super()
2131 sbi->s_session = uopt.session; in udf_fill_super()
2133 udf_debug("Multi-session=%d\n", sbi->s_session); in udf_fill_super()
2136 sb->s_op = &udf_sb_ops; in udf_fill_super()
2137 sb->s_export_op = &udf_export_ops; in udf_fill_super()
2139 sb->s_magic = UDF_SUPER_MAGIC; in udf_fill_super()
2140 sb->s_time_gran = 1000; in udf_fill_super()
2145 uopt.blocksize = bdev_logical_block_size(sb->s_bdev); in udf_fill_super()
2149 if (!silent && ret != -EACCES) { in udf_fill_super()
2153 brelse(sbi->s_lvid_bh); in udf_fill_super()
2154 sbi->s_lvid_bh = NULL; in udf_fill_super()
2156 * EACCES is special - we want to propagate to in udf_fill_super()
2159 if (ret == -EACCES) in udf_fill_super()
2168 if (ret == -EAGAIN) { in udf_fill_super()
2170 ret = -EINVAL; in udf_fill_super()
2175 udf_debug("Lastblock=%u\n", sbi->s_last_block); in udf_fill_super()
2177 if (sbi->s_lvid_bh) { in udf_fill_super()
2184 ret = -EINVAL; in udf_fill_super()
2187 minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev); in udf_fill_super()
2188 minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev); in udf_fill_super()
2193 ret = -EINVAL; in udf_fill_super()
2197 ret = -EACCES; in udf_fill_super()
2203 sbi->s_udfrev = minUDFWriteRev; in udf_fill_super()
2211 if (!sbi->s_partitions) { in udf_fill_super()
2213 ret = -EINVAL; in udf_fill_super()
2217 if (sbi->s_partmaps[sbi->s_partition].s_partition_flags & in udf_fill_super()
2220 ret = -EACCES; in udf_fill_super()
2234 udf_time_to_disk_stamp(&ts, sbi->s_record_time); in udf_fill_super()
2235 udf_info("Mounting volume '%s', timestamp %04u/%02u/%02u %02u:%02u (%x)\n", in udf_fill_super()
2236 sbi->s_volume_ident, in udf_fill_super()
2257 sb->s_root = d_make_root(inode); in udf_fill_super()
2258 if (!sb->s_root) { in udf_fill_super()
2260 ret = -ENOMEM; in udf_fill_super()
2263 sb->s_maxbytes = UDF_MAX_FILESIZE; in udf_fill_super()
2264 sb->s_max_links = UDF_MAX_LINKS; in udf_fill_super()
2268 iput(sbi->s_vat_inode); in udf_fill_super()
2273 brelse(sbi->s_lvid_bh); in udf_fill_super()
2276 sb->s_fs_info = NULL; in udf_fill_super()
2292 pr_err("error (device %s): %s: %pV", sb->s_id, function, &vaf); in _udf_err()
2308 pr_warn("warning (device %s): %s: %pV", sb->s_id, function, &vaf); in _udf_warn()
2319 iput(sbi->s_vat_inode); in udf_put_super()
2320 unload_nls(sbi->s_nls_map); in udf_put_super()
2323 brelse(sbi->s_lvid_bh); in udf_put_super()
2325 mutex_destroy(&sbi->s_alloc_mutex); in udf_put_super()
2326 kfree(sb->s_fs_info); in udf_put_super()
2327 sb->s_fs_info = NULL; in udf_put_super()
2334 mutex_lock(&sbi->s_alloc_mutex); in udf_sync_fs()
2335 if (sbi->s_lvid_dirty) { in udf_sync_fs()
2336 struct buffer_head *bh = sbi->s_lvid_bh; in udf_sync_fs()
2339 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_sync_fs()
2347 sbi->s_lvid_dirty = 0; in udf_sync_fs()
2349 mutex_unlock(&sbi->s_alloc_mutex); in udf_sync_fs()
2356 struct super_block *sb = dentry->d_sb; in udf_statfs()
2359 u64 id = huge_encode_dev(sb->s_bdev->bd_dev); in udf_statfs()
2362 buf->f_type = UDF_SUPER_MAGIC; in udf_statfs()
2363 buf->f_bsize = sb->s_blocksize; in udf_statfs()
2364 buf->f_blocks = sbi->s_partmaps[sbi->s_partition].s_partition_len; in udf_statfs()
2365 buf->f_bfree = udf_count_free(sb); in udf_statfs()
2366 buf->f_bavail = buf->f_bfree; in udf_statfs()
2371 buf->f_files = (lvidiu != NULL ? (le32_to_cpu(lvidiu->numFiles) + in udf_statfs()
2372 le32_to_cpu(lvidiu->numDirs)) : 0) in udf_statfs()
2373 + buf->f_bfree; in udf_statfs()
2374 buf->f_ffree = buf->f_bfree; in udf_statfs()
2375 buf->f_namelen = UDF_NAME_LEN; in udf_statfs()
2376 buf->f_fsid = u64_to_fsid(id); in udf_statfs()
2394 loc.logicalBlockNum = bitmap->s_extPosition; in udf_count_free_bitmap()
2395 loc.partitionReferenceNum = UDF_SB(sb)->s_partition; in udf_count_free_bitmap()
2400 goto out; in udf_count_free_bitmap()
2404 goto out; in udf_count_free_bitmap()
2407 bm = (struct spaceBitmapDesc *)bh->b_data; in udf_count_free_bitmap()
2408 bytes = le32_to_cpu(bm->numOfBytes); in udf_count_free_bitmap()
2410 ptr = (uint8_t *)bh->b_data; in udf_count_free_bitmap()
2413 u32 cur_bytes = min_t(u32, bytes, sb->s_blocksize - index); in udf_count_free_bitmap()
2416 bytes -= cur_bytes; in udf_count_free_bitmap()
2423 goto out; in udf_count_free_bitmap()
2426 ptr = (uint8_t *)bh->b_data; in udf_count_free_bitmap()
2430 out: in udf_count_free_bitmap()
2442 mutex_lock(&UDF_SB(sb)->s_alloc_mutex); in udf_count_free_table()
2443 epos.block = UDF_I(table)->i_location; in udf_count_free_table()
2447 while (udf_next_aext(table, &epos, &eloc, &elen, 1) != -1) in udf_count_free_table()
2448 accum += (elen >> table->i_sb->s_blocksize_bits); in udf_count_free_table()
2451 mutex_unlock(&UDF_SB(sb)->s_alloc_mutex); in udf_count_free_table()
2461 unsigned int part = sbi->s_partition; in udf_count_free()
2462 int ptype = sbi->s_partmaps[part].s_partition_type; in udf_count_free()
2465 part = sbi->s_partmaps[part].s_type_specific.s_metadata. in udf_count_free()
2469 * Filesystems with VAT are append-only and we cannot write to in udf_count_free()
2475 if (sbi->s_lvid_bh) { in udf_count_free()
2478 sbi->s_lvid_bh->b_data; in udf_count_free()
2479 if (le32_to_cpu(lvid->numOfPartitions) > part) { in udf_count_free()
2481 lvid->freeSpaceTable[part]); in udf_count_free()
2490 map = &sbi->s_partmaps[part]; in udf_count_free()
2491 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { in udf_count_free()
2493 map->s_uspace.s_bitmap); in udf_count_free()
2498 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) { in udf_count_free()
2500 map->s_uspace.s_table); in udf_count_free()