Lines Matching +full:out +full:- +full:volume +full:- +full:limit
5 * Super block routines for the OSTA-UDF(tm) filesystem.
8 * OSTA-UDF(tm) = Optical Storage Technology Association
24 * (C) 1998-2004 Ben Fennema
32 * 10/16/98 attempting some multi-session support
57 #include <linux/crc-itu-t.h>
80 * Maximum number of Terminating Descriptor / Logical Volume Integrity
81 * Descriptor redirections. The chosen numbers are arbitrary - just that we
82 * hopefully don't limit any real use of rewritten inode on write-once media
90 /* These are the "meat" - everything else is stuffing */
108 if (!UDF_SB(sb)->s_lvid_bh) in udf_sb_lvidiu()
110 lvid = (struct logicalVolIntegrityDesc *)UDF_SB(sb)->s_lvid_bh->b_data; in udf_sb_lvidiu()
111 partnum = le32_to_cpu(lvid->numOfPartitions); in udf_sb_lvidiu()
143 ei->i_unique = 0; in udf_alloc_inode()
144 ei->i_lenExtents = 0; in udf_alloc_inode()
145 ei->i_lenStreams = 0; in udf_alloc_inode()
146 ei->i_next_alloc_block = 0; in udf_alloc_inode()
147 ei->i_next_alloc_goal = 0; in udf_alloc_inode()
148 ei->i_strat4096 = 0; in udf_alloc_inode()
149 ei->i_streamdir = 0; in udf_alloc_inode()
150 init_rwsem(&ei->i_data_sem); in udf_alloc_inode()
151 ei->cached_extent.lstart = -1; in udf_alloc_inode()
152 spin_lock_init(&ei->i_extent_cache_lock); in udf_alloc_inode()
153 inode_set_iversion(&ei->vfs_inode, 1); in udf_alloc_inode()
155 return &ei->vfs_inode; in udf_alloc_inode()
167 ei->i_data = NULL; in init_once()
168 inode_init_once(&ei->vfs_inode); in init_once()
180 return -ENOMEM; in init_inodecache()
231 goto out; in init_udf_fs()
235 out: in init_udf_fs()
252 sbi->s_partmaps = kcalloc(count, sizeof(*sbi->s_partmaps), GFP_KERNEL); in udf_sb_alloc_partition_maps()
253 if (!sbi->s_partmaps) { in udf_sb_alloc_partition_maps()
254 sbi->s_partitions = 0; in udf_sb_alloc_partition_maps()
255 return -ENOMEM; in udf_sb_alloc_partition_maps()
258 sbi->s_partitions = count; in udf_sb_alloc_partition_maps()
265 int nr_groups = bitmap->s_nr_groups; in udf_sb_free_bitmap()
268 brelse(bitmap->s_block_bitmap[i]); in udf_sb_free_bitmap()
278 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) in udf_free_partition()
279 iput(map->s_uspace.s_table); in udf_free_partition()
280 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) in udf_free_partition()
281 udf_sb_free_bitmap(map->s_uspace.s_bitmap); in udf_free_partition()
282 if (map->s_partition_type == UDF_SPARABLE_MAP15) in udf_free_partition()
284 brelse(map->s_type_specific.s_sparing.s_spar_map[i]); in udf_free_partition()
285 else if (map->s_partition_type == UDF_METADATA_MAP25) { in udf_free_partition()
286 mdata = &map->s_type_specific.s_metadata; in udf_free_partition()
287 iput(mdata->s_metadata_fe); in udf_free_partition()
288 mdata->s_metadata_fe = NULL; in udf_free_partition()
290 iput(mdata->s_mirror_fe); in udf_free_partition()
291 mdata->s_mirror_fe = NULL; in udf_free_partition()
293 iput(mdata->s_bitmap_fe); in udf_free_partition()
294 mdata->s_bitmap_fe = NULL; in udf_free_partition()
303 if (!sbi->s_partmaps) in udf_sb_free_partitions()
305 for (i = 0; i < sbi->s_partitions; i++) in udf_sb_free_partitions()
306 udf_free_partition(&sbi->s_partmaps[i]); in udf_sb_free_partitions()
307 kfree(sbi->s_partmaps); in udf_sb_free_partitions()
308 sbi->s_partmaps = NULL; in udf_sb_free_partitions()
313 struct super_block *sb = root->d_sb; in udf_show_options()
319 seq_printf(seq, ",bs=%lu", sb->s_blocksize); in udf_show_options()
333 seq_printf(seq, ",uid=%u", from_kuid(&init_user_ns, sbi->s_uid)); in udf_show_options()
335 seq_printf(seq, ",gid=%u", from_kgid(&init_user_ns, sbi->s_gid)); in udf_show_options()
336 if (sbi->s_umask != 0) in udf_show_options()
337 seq_printf(seq, ",umask=%ho", sbi->s_umask); in udf_show_options()
338 if (sbi->s_fmode != UDF_INVALID_MODE) in udf_show_options()
339 seq_printf(seq, ",mode=%ho", sbi->s_fmode); in udf_show_options()
340 if (sbi->s_dmode != UDF_INVALID_MODE) in udf_show_options()
341 seq_printf(seq, ",dmode=%ho", sbi->s_dmode); in udf_show_options()
343 seq_printf(seq, ",session=%d", sbi->s_session); in udf_show_options()
345 seq_printf(seq, ",lastblock=%u", sbi->s_last_block); in udf_show_options()
346 if (sbi->s_anchor != 0) in udf_show_options()
347 seq_printf(seq, ",anchor=%u", sbi->s_anchor); in udf_show_options()
348 if (sbi->s_nls_map) in udf_show_options()
349 seq_printf(seq, ",iocharset=%s", sbi->s_nls_map->charset); in udf_show_options()
382 * novrs Skip volume sequence recognition
388 * volume= Override the VolumeDesc location. (unused)
396 * WARNING: overriding the rootdir to a non-directory may
399 * PRE-CONDITIONS
403 * POST-CONDITIONS
408 * July 1, 1997 - Andrew E. Mileski
442 {Opt_volume, "volume=%u"},
459 uopt->novrs = 0; in udf_parse_options()
460 uopt->session = 0xFFFFFFFF; in udf_parse_options()
461 uopt->lastblock = 0; in udf_parse_options()
462 uopt->anchor = 0; in udf_parse_options()
477 uopt->novrs = 1; in udf_parse_options()
485 uopt->blocksize = n; in udf_parse_options()
486 uopt->flags |= (1 << UDF_FLAG_BLOCKSIZE_SET); in udf_parse_options()
489 uopt->flags |= (1 << UDF_FLAG_UNHIDE); in udf_parse_options()
492 uopt->flags |= (1 << UDF_FLAG_UNDELETE); in udf_parse_options()
495 uopt->flags &= ~(1 << UDF_FLAG_USE_AD_IN_ICB); in udf_parse_options()
498 uopt->flags |= (1 << UDF_FLAG_USE_AD_IN_ICB); in udf_parse_options()
501 uopt->flags |= (1 << UDF_FLAG_USE_SHORT_AD); in udf_parse_options()
504 uopt->flags &= ~(1 << UDF_FLAG_USE_SHORT_AD); in udf_parse_options()
509 uopt->gid = make_kgid(current_user_ns(), option); in udf_parse_options()
510 if (!gid_valid(uopt->gid)) in udf_parse_options()
512 uopt->flags |= (1 << UDF_FLAG_GID_SET); in udf_parse_options()
517 uopt->uid = make_kuid(current_user_ns(), option); in udf_parse_options()
518 if (!uid_valid(uopt->uid)) in udf_parse_options()
520 uopt->flags |= (1 << UDF_FLAG_UID_SET); in udf_parse_options()
525 uopt->umask = option; in udf_parse_options()
528 uopt->flags &= ~(1 << UDF_FLAG_STRICT); in udf_parse_options()
533 uopt->session = option; in udf_parse_options()
535 uopt->flags |= (1 << UDF_FLAG_SESSION_SET); in udf_parse_options()
540 uopt->lastblock = option; in udf_parse_options()
542 uopt->flags |= (1 << UDF_FLAG_LASTBLOCK_SET); in udf_parse_options()
547 uopt->anchor = option; in udf_parse_options()
557 unload_nls(uopt->nls_map); in udf_parse_options()
558 uopt->nls_map = NULL; in udf_parse_options()
563 unload_nls(uopt->nls_map); in udf_parse_options()
564 uopt->nls_map = NULL; in udf_parse_options()
566 /* When nls_map is not loaded then UTF-8 is used */ in udf_parse_options()
568 uopt->nls_map = load_nls(args[0].from); in udf_parse_options()
569 if (!uopt->nls_map) { in udf_parse_options()
577 uopt->flags |= (1 << UDF_FLAG_UID_FORGET); in udf_parse_options()
584 uopt->flags |= (1 << UDF_FLAG_GID_FORGET); in udf_parse_options()
589 uopt->fmode = option & 0777; in udf_parse_options()
594 uopt->dmode = option & 0777; in udf_parse_options()
611 return -EACCES; in udf_remount_fs()
615 uopt.flags = sbi->s_flags; in udf_remount_fs()
616 uopt.uid = sbi->s_uid; in udf_remount_fs()
617 uopt.gid = sbi->s_gid; in udf_remount_fs()
618 uopt.umask = sbi->s_umask; in udf_remount_fs()
619 uopt.fmode = sbi->s_fmode; in udf_remount_fs()
620 uopt.dmode = sbi->s_dmode; in udf_remount_fs()
624 return -EINVAL; in udf_remount_fs()
626 write_lock(&sbi->s_cred_lock); in udf_remount_fs()
627 sbi->s_flags = uopt.flags; in udf_remount_fs()
628 sbi->s_uid = uopt.uid; in udf_remount_fs()
629 sbi->s_gid = uopt.gid; in udf_remount_fs()
630 sbi->s_umask = uopt.umask; in udf_remount_fs()
631 sbi->s_fmode = uopt.fmode; in udf_remount_fs()
632 sbi->s_dmode = uopt.dmode; in udf_remount_fs()
633 write_unlock(&sbi->s_cred_lock); in udf_remount_fs()
648 * Check VSD descriptor. Returns -1 in case we are at the end of volume
649 * recognition area, 0 if the descriptor is valid but non-interesting, 1 if
656 if (!memcmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) { in identify_vsd()
657 switch (vsd->structType) { in identify_vsd()
662 udf_debug("ISO9660 Primary Volume Descriptor found\n"); in identify_vsd()
665 udf_debug("ISO9660 Supplementary Volume Descriptor found\n"); in identify_vsd()
668 udf_debug("ISO9660 Volume Partition Descriptor found\n"); in identify_vsd()
671 udf_debug("ISO9660 Volume Descriptor Set Terminator found\n"); in identify_vsd()
674 udf_debug("ISO9660 VRS (%u) found\n", vsd->structType); in identify_vsd()
677 } else if (!memcmp(vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) in identify_vsd()
679 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) in identify_vsd()
681 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) in identify_vsd()
683 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_BOOT2, VSD_STD_ID_LEN)) in identify_vsd()
685 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_CDW02, VSD_STD_ID_LEN)) in identify_vsd()
688 /* TEA01 or invalid id : end of volume recognition area */ in identify_vsd()
689 ret = -1; in identify_vsd()
696 * Check Volume Structure Descriptors (ECMA 167 2/9.1)
697 * We also check any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1)
699 * -1 if first sector read error, 0 otherwise
712 if (sb->s_blocksize < sizeof(struct volStructDesc)) in udf_check_vsd()
715 sectorsize = sb->s_blocksize; in udf_check_vsd()
717 session_offset = (loff_t)sbi->s_session << sb->s_blocksize_bits; in udf_check_vsd()
721 (unsigned int)(sector >> sb->s_blocksize_bits), in udf_check_vsd()
722 sb->s_blocksize); in udf_check_vsd()
723 /* Process the sequence (if applicable). The hard limit on the sector in udf_check_vsd()
726 * bound to the size of the volume recognition area in the standard. in udf_check_vsd()
727 * The limit will prevent the code to read all the sectors of a in udf_check_vsd()
731 * (all 0xFF) before the check for the limit and all valid IDs were in udf_check_vsd()
735 bh = udf_tread(sb, sector >> sb->s_blocksize_bits); in udf_check_vsd()
739 vsd = (struct volStructDesc *)(bh->b_data + in udf_check_vsd()
740 (sector & (sb->s_blocksize - 1))); in udf_check_vsd()
752 if (sb->s_blocksize == 4096) { in udf_check_vsd()
763 else if (!bh && sector - session_offset == VSD_FIRST_SECTOR_OFFSET) in udf_check_vsd()
764 return -1; in udf_check_vsd()
774 if (memcmp(ident->ident, UDF_ID_COMPLIANT, strlen(UDF_ID_COMPLIANT))) { in udf_verify_domain_identifier()
778 if (ident->flags & ENTITYID_FLAGS_DIRTY) { in udf_verify_domain_identifier()
783 suffix = (struct domainIdentSuffix *)ident->identSuffix; in udf_verify_domain_identifier()
784 if ((suffix->domainFlags & DOMAIN_FLAGS_HARD_WRITE_PROTECT) || in udf_verify_domain_identifier()
785 (suffix->domainFlags & DOMAIN_FLAGS_SOFT_WRITE_PROTECT)) { in udf_verify_domain_identifier()
796 return -EACCES; in udf_verify_domain_identifier()
806 ret = udf_verify_domain_identifier(sb, &fset->domainIdent, "file set"); in udf_load_fileset()
810 *root = lelb_to_cpu(fset->rootDirectoryICB.extLocation); in udf_load_fileset()
811 UDF_SB(sb)->s_serial_number = le16_to_cpu(fset->descTag.tagSerialNum); in udf_load_fileset()
814 root->logicalBlockNum, root->partitionReferenceNum); in udf_load_fileset()
826 if (fileset->logicalBlockNum == 0xFFFFFFFF && in udf_find_fileset()
827 fileset->partitionReferenceNum == 0xFFFF) in udf_find_fileset()
828 return -EINVAL; in udf_find_fileset()
832 return -EIO; in udf_find_fileset()
835 return -EINVAL; in udf_find_fileset()
839 fileset->logicalBlockNum, fileset->partitionReferenceNum); in udf_find_fileset()
841 UDF_SB(sb)->s_partition = fileset->partitionReferenceNum; in udf_find_fileset()
842 ret = udf_load_fileset(sb, (struct fileSetDesc *)bh->b_data, root); in udf_find_fileset()
848 * Load primary Volume Descriptor Sequence
850 * Return <0 on error, 0 on success. -EAGAIN is special meaning next sequence
864 return -ENOMEM; in udf_load_pvoldesc()
868 ret = -EAGAIN; in udf_load_pvoldesc()
873 ret = -EIO; in udf_load_pvoldesc()
877 pvoldesc = (struct primaryVolDesc *)bh->b_data; in udf_load_pvoldesc()
879 udf_disk_stamp_to_time(&UDF_SB(sb)->s_record_time, in udf_load_pvoldesc()
880 pvoldesc->recordingDateAndTime); in udf_load_pvoldesc()
881 ts = &pvoldesc->recordingDateAndTime; in udf_load_pvoldesc()
883 le16_to_cpu(ts->year), ts->month, ts->day, ts->hour, in udf_load_pvoldesc()
884 ts->minute, le16_to_cpu(ts->typeAndTimezone)); in udf_load_pvoldesc()
886 ret = udf_dstrCS0toChar(sb, outstr, 31, pvoldesc->volIdent, 32); in udf_load_pvoldesc()
888 strcpy(UDF_SB(sb)->s_volume_ident, "InvalidName"); in udf_load_pvoldesc()
889 pr_warn("incorrect volume identification, setting to " in udf_load_pvoldesc()
892 strncpy(UDF_SB(sb)->s_volume_ident, outstr, ret); in udf_load_pvoldesc()
894 udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident); in udf_load_pvoldesc()
896 ret = udf_dstrCS0toChar(sb, outstr, 127, pvoldesc->volSetIdent, 128); in udf_load_pvoldesc()
927 if (UDF_I(metadata_fe)->i_alloc_type != ICBTAG_FLAG_AD_SHORT) { in udf_find_metadata_inode_efe()
930 return ERR_PTR(-EIO); in udf_find_metadata_inode_efe()
945 map = &sbi->s_partmaps[partition]; in udf_load_metadata_files()
946 mdata = &map->s_type_specific.s_metadata; in udf_load_metadata_files()
947 mdata->s_phys_partition_ref = type1_index; in udf_load_metadata_files()
951 mdata->s_meta_file_loc, mdata->s_phys_partition_ref); in udf_load_metadata_files()
953 fe = udf_find_metadata_inode_efe(sb, mdata->s_meta_file_loc, in udf_load_metadata_files()
954 mdata->s_phys_partition_ref); in udf_load_metadata_files()
958 mdata->s_mirror_file_loc, mdata->s_phys_partition_ref); in udf_load_metadata_files()
960 fe = udf_find_metadata_inode_efe(sb, mdata->s_mirror_file_loc, in udf_load_metadata_files()
961 mdata->s_phys_partition_ref); in udf_load_metadata_files()
967 mdata->s_mirror_fe = fe; in udf_load_metadata_files()
969 mdata->s_metadata_fe = fe; in udf_load_metadata_files()
975 * Load only if bitmap file location differs from 0xFFFFFFFF (DCN-5102) in udf_load_metadata_files()
977 if (mdata->s_bitmap_file_loc != 0xFFFFFFFF) { in udf_load_metadata_files()
978 addr.logicalBlockNum = mdata->s_bitmap_file_loc; in udf_load_metadata_files()
979 addr.partitionReferenceNum = mdata->s_phys_partition_ref; in udf_load_metadata_files()
987 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()
989 udf_err(sb, "bitmap inode efe not found and attempted read-write mount\n"); in udf_load_metadata_files()
993 mdata->s_bitmap_fe = fe; in udf_load_metadata_files()
1002 struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; in udf_compute_nr_groups()
1003 return DIV_ROUND_UP(map->s_partition_len + in udf_compute_nr_groups()
1005 sb->s_blocksize * 8); in udf_compute_nr_groups()
1018 bitmap->s_nr_groups = nr_groups; in udf_sb_alloc_bitmap()
1029 switch (le32_to_cpu(p->accessType)) { in check_partition_desc()
1037 if (strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR02) && in check_partition_desc()
1038 strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR03)) in check_partition_desc()
1041 phd = (struct partitionHeaderDesc *)p->partitionContentsUse; in check_partition_desc()
1042 utable = phd->unallocSpaceTable.extLength; in check_partition_desc()
1043 umap = phd->unallocSpaceBitmap.extLength; in check_partition_desc()
1044 ftable = phd->freedSpaceTable.extLength; in check_partition_desc()
1045 fmap = phd->freedSpaceBitmap.extLength; in check_partition_desc()
1054 /* UDF 2.60: 2.3.3 - no mixing of tables & bitmaps, no VAT. */ in check_partition_desc()
1058 if (map->s_partition_type == UDF_VIRTUAL_MAP15 || in check_partition_desc()
1059 map->s_partition_type == UDF_VIRTUAL_MAP20 || in check_partition_desc()
1060 map->s_partition_type == UDF_METADATA_MAP25) in check_partition_desc()
1066 return -EACCES; in check_partition_desc()
1079 map = &sbi->s_partmaps[p_index]; in udf_fill_partdesc_info()
1081 map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */ in udf_fill_partdesc_info()
1082 map->s_partition_root = le32_to_cpu(p->partitionStartingLocation); in udf_fill_partdesc_info()
1084 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_READ_ONLY)) in udf_fill_partdesc_info()
1085 map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY; in udf_fill_partdesc_info()
1086 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_WRITE_ONCE)) in udf_fill_partdesc_info()
1087 map->s_partition_flags |= UDF_PART_FLAG_WRITE_ONCE; in udf_fill_partdesc_info()
1088 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_REWRITABLE)) in udf_fill_partdesc_info()
1089 map->s_partition_flags |= UDF_PART_FLAG_REWRITABLE; in udf_fill_partdesc_info()
1090 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_OVERWRITABLE)) in udf_fill_partdesc_info()
1091 map->s_partition_flags |= UDF_PART_FLAG_OVERWRITABLE; in udf_fill_partdesc_info()
1094 p_index, map->s_partition_type, in udf_fill_partdesc_info()
1095 map->s_partition_root, map->s_partition_len); in udf_fill_partdesc_info()
1109 phd = (struct partitionHeaderDesc *)p->partitionContentsUse; in udf_fill_partdesc_info()
1110 if (phd->unallocSpaceTable.extLength) { in udf_fill_partdesc_info()
1113 phd->unallocSpaceTable.extPosition), in udf_fill_partdesc_info()
1124 map->s_uspace.s_table = inode; in udf_fill_partdesc_info()
1125 map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_TABLE; in udf_fill_partdesc_info()
1127 p_index, map->s_uspace.s_table->i_ino); in udf_fill_partdesc_info()
1130 if (phd->unallocSpaceBitmap.extLength) { in udf_fill_partdesc_info()
1133 return -ENOMEM; in udf_fill_partdesc_info()
1134 map->s_uspace.s_bitmap = bitmap; in udf_fill_partdesc_info()
1135 bitmap->s_extPosition = le32_to_cpu( in udf_fill_partdesc_info()
1136 phd->unallocSpaceBitmap.extPosition); in udf_fill_partdesc_info()
1137 map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP; in udf_fill_partdesc_info()
1139 p_index, bitmap->s_extPosition); in udf_fill_partdesc_info()
1149 struct udf_part_map *map = &sbi->s_partmaps[p_index]; in udf_find_vat_block()
1160 vat_block >= map->s_partition_root && in udf_find_vat_block()
1161 vat_block >= start_block - 3; vat_block--) { in udf_find_vat_block()
1162 ino.logicalBlockNum = vat_block - map->s_partition_root; in udf_find_vat_block()
1165 sbi->s_vat_inode = inode; in udf_find_vat_block()
1174 struct udf_part_map *map = &sbi->s_partmaps[p_index]; in udf_load_vat()
1179 sector_t blocks = i_size_read(sb->s_bdev->bd_inode) >> in udf_load_vat()
1180 sb->s_blocksize_bits; in udf_load_vat()
1182 udf_find_vat_block(sb, p_index, type1_index, sbi->s_last_block); in udf_load_vat()
1183 if (!sbi->s_vat_inode && in udf_load_vat()
1184 sbi->s_last_block != blocks - 1) { in udf_load_vat()
1186 (unsigned long)sbi->s_last_block, in udf_load_vat()
1187 (unsigned long)blocks - 1); in udf_load_vat()
1188 udf_find_vat_block(sb, p_index, type1_index, blocks - 1); in udf_load_vat()
1190 if (!sbi->s_vat_inode) in udf_load_vat()
1191 return -EIO; in udf_load_vat()
1193 if (map->s_partition_type == UDF_VIRTUAL_MAP15) { in udf_load_vat()
1194 map->s_type_specific.s_virtual.s_start_offset = 0; in udf_load_vat()
1195 map->s_type_specific.s_virtual.s_num_entries = in udf_load_vat()
1196 (sbi->s_vat_inode->i_size - 36) >> 2; in udf_load_vat()
1197 } else if (map->s_partition_type == UDF_VIRTUAL_MAP20) { in udf_load_vat()
1198 vati = UDF_I(sbi->s_vat_inode); in udf_load_vat()
1199 if (vati->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) { in udf_load_vat()
1200 pos = udf_block_map(sbi->s_vat_inode, 0); in udf_load_vat()
1203 return -EIO; in udf_load_vat()
1204 vat20 = (struct virtualAllocationTable20 *)bh->b_data; in udf_load_vat()
1207 vati->i_data; in udf_load_vat()
1210 map->s_type_specific.s_virtual.s_start_offset = in udf_load_vat()
1211 le16_to_cpu(vat20->lengthHeader); in udf_load_vat()
1212 map->s_type_specific.s_virtual.s_num_entries = in udf_load_vat()
1213 (sbi->s_vat_inode->i_size - in udf_load_vat()
1214 map->s_type_specific.s_virtual. in udf_load_vat()
1224 * Returns <0 on error, 0 on success, -EAGAIN is special - try next descriptor
1240 return -EAGAIN; in udf_load_partdesc()
1246 p = (struct partitionDesc *)bh->b_data; in udf_load_partdesc()
1247 partitionNumber = le16_to_cpu(p->partitionNumber); in udf_load_partdesc()
1250 for (i = 0; i < sbi->s_partitions; i++) { in udf_load_partdesc()
1251 map = &sbi->s_partmaps[i]; in udf_load_partdesc()
1253 map->s_partition_num, partitionNumber); in udf_load_partdesc()
1254 if (map->s_partition_num == partitionNumber && in udf_load_partdesc()
1255 (map->s_partition_type == UDF_TYPE1_MAP15 || in udf_load_partdesc()
1256 map->s_partition_type == UDF_SPARABLE_MAP15)) in udf_load_partdesc()
1260 if (i >= sbi->s_partitions) { in udf_load_partdesc()
1277 for (i = 0; i < sbi->s_partitions; i++) { in udf_load_partdesc()
1278 map = &sbi->s_partmaps[i]; in udf_load_partdesc()
1280 if (map->s_partition_num == partitionNumber && in udf_load_partdesc()
1281 (map->s_partition_type == UDF_VIRTUAL_MAP15 || in udf_load_partdesc()
1282 map->s_partition_type == UDF_VIRTUAL_MAP20 || in udf_load_partdesc()
1283 map->s_partition_type == UDF_METADATA_MAP25)) in udf_load_partdesc()
1287 if (i >= sbi->s_partitions) { in udf_load_partdesc()
1296 if (map->s_partition_type == UDF_METADATA_MAP25) { in udf_load_partdesc()
1310 ret = -EACCES; in udf_load_partdesc()
1332 struct udf_sparing_data *sdata = &map->s_type_specific.s_sparing; in udf_load_sparable_map()
1336 map->s_partition_type = UDF_SPARABLE_MAP15; in udf_load_sparable_map()
1337 sdata->s_packet_len = le16_to_cpu(spm->packetLength); in udf_load_sparable_map()
1338 if (!is_power_of_2(sdata->s_packet_len)) { in udf_load_sparable_map()
1339 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1341 (unsigned)sdata->s_packet_len); in udf_load_sparable_map()
1342 return -EIO; in udf_load_sparable_map()
1344 if (spm->numSparingTables > 4) { in udf_load_sparable_map()
1345 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1347 (int)spm->numSparingTables); in udf_load_sparable_map()
1348 return -EIO; in udf_load_sparable_map()
1350 if (le32_to_cpu(spm->sizeSparingTable) > sb->s_blocksize) { in udf_load_sparable_map()
1351 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1353 le32_to_cpu(spm->sizeSparingTable)); in udf_load_sparable_map()
1354 return -EIO; in udf_load_sparable_map()
1357 for (i = 0; i < spm->numSparingTables; i++) { in udf_load_sparable_map()
1358 loc = le32_to_cpu(spm->locSparingTable[i]); in udf_load_sparable_map()
1363 st = (struct sparingTable *)bh->b_data; in udf_load_sparable_map()
1365 strncmp(st->sparingIdent.ident, UDF_ID_SPARING, in udf_load_sparable_map()
1367 sizeof(*st) + le16_to_cpu(st->reallocationTableLen) > in udf_load_sparable_map()
1368 sb->s_blocksize) { in udf_load_sparable_map()
1373 sdata->s_spar_map[i] = bh; in udf_load_sparable_map()
1375 map->s_partition_func = udf_get_pblock_spar15; in udf_load_sparable_map()
1394 return -EAGAIN; in udf_load_logicalvol()
1396 lvd = (struct logicalVolDesc *)bh->b_data; in udf_load_logicalvol()
1397 table_len = le32_to_cpu(lvd->mapTableLength); in udf_load_logicalvol()
1398 if (table_len > sb->s_blocksize - sizeof(*lvd)) { in udf_load_logicalvol()
1399 udf_err(sb, "error loading logical volume descriptor: " in udf_load_logicalvol()
1401 sb->s_blocksize - sizeof(*lvd)); in udf_load_logicalvol()
1402 ret = -EIO; in udf_load_logicalvol()
1406 ret = udf_verify_domain_identifier(sb, &lvd->domainIdent, in udf_load_logicalvol()
1407 "logical volume"); in udf_load_logicalvol()
1410 ret = udf_sb_alloc_partition_maps(sb, le32_to_cpu(lvd->numPartitionMaps)); in udf_load_logicalvol()
1415 i < sbi->s_partitions && offset < table_len; in udf_load_logicalvol()
1416 i++, offset += gpm->partitionMapLength) { in udf_load_logicalvol()
1417 struct udf_part_map *map = &sbi->s_partmaps[i]; in udf_load_logicalvol()
1419 &(lvd->partitionMaps[offset]); in udf_load_logicalvol()
1420 type = gpm->partitionMapType; in udf_load_logicalvol()
1424 map->s_partition_type = UDF_TYPE1_MAP15; in udf_load_logicalvol()
1425 map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum); in udf_load_logicalvol()
1426 map->s_partition_num = le16_to_cpu(gpm1->partitionNum); in udf_load_logicalvol()
1427 map->s_partition_func = NULL; in udf_load_logicalvol()
1431 if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, in udf_load_logicalvol()
1434 le16_to_cpu(((__le16 *)upm2->partIdent. in udf_load_logicalvol()
1437 map->s_partition_type = in udf_load_logicalvol()
1439 map->s_partition_func = in udf_load_logicalvol()
1442 map->s_partition_type = in udf_load_logicalvol()
1444 map->s_partition_func = in udf_load_logicalvol()
1447 } else if (!strncmp(upm2->partIdent.ident, in udf_load_logicalvol()
1454 } else if (!strncmp(upm2->partIdent.ident, in udf_load_logicalvol()
1458 &map->s_type_specific.s_metadata; in udf_load_logicalvol()
1461 &(lvd->partitionMaps[offset]); in udf_load_logicalvol()
1465 map->s_partition_type = UDF_METADATA_MAP25; in udf_load_logicalvol()
1466 map->s_partition_func = udf_get_pblock_meta25; in udf_load_logicalvol()
1468 mdata->s_meta_file_loc = in udf_load_logicalvol()
1469 le32_to_cpu(mdm->metadataFileLoc); in udf_load_logicalvol()
1470 mdata->s_mirror_file_loc = in udf_load_logicalvol()
1471 le32_to_cpu(mdm->metadataMirrorFileLoc); in udf_load_logicalvol()
1472 mdata->s_bitmap_file_loc = in udf_load_logicalvol()
1473 le32_to_cpu(mdm->metadataBitmapFileLoc); in udf_load_logicalvol()
1474 mdata->s_alloc_unit_size = in udf_load_logicalvol()
1475 le32_to_cpu(mdm->allocUnitSize); in udf_load_logicalvol()
1476 mdata->s_align_unit_size = in udf_load_logicalvol()
1477 le16_to_cpu(mdm->alignUnitSize); in udf_load_logicalvol()
1478 if (mdm->flags & 0x01) in udf_load_logicalvol()
1479 mdata->s_flags |= MF_DUPLICATE_MD; in udf_load_logicalvol()
1483 mdm->partIdent.identSuffix)); in udf_load_logicalvol()
1485 le16_to_cpu(mdm->partitionNum)); in udf_load_logicalvol()
1487 le32_to_cpu(mdm->allocUnitSize)); in udf_load_logicalvol()
1489 le32_to_cpu(mdm->metadataFileLoc)); in udf_load_logicalvol()
1491 le32_to_cpu(mdm->metadataMirrorFileLoc)); in udf_load_logicalvol()
1493 le32_to_cpu(mdm->metadataBitmapFileLoc)); in udf_load_logicalvol()
1495 mdata->s_flags, mdm->flags); in udf_load_logicalvol()
1498 upm2->partIdent.ident); in udf_load_logicalvol()
1501 map->s_volumeseqnum = le16_to_cpu(upm2->volSeqNum); in udf_load_logicalvol()
1502 map->s_partition_num = le16_to_cpu(upm2->partitionNum); in udf_load_logicalvol()
1504 udf_debug("Partition (%d:%u) type %u on volume %u\n", in udf_load_logicalvol()
1505 i, map->s_partition_num, type, map->s_volumeseqnum); in udf_load_logicalvol()
1509 struct long_ad *la = (struct long_ad *)&(lvd->logicalVolContentsUse[0]); in udf_load_logicalvol()
1511 *fileset = lelb_to_cpu(la->extLocation); in udf_load_logicalvol()
1513 fileset->logicalBlockNum, in udf_load_logicalvol()
1514 fileset->partitionReferenceNum); in udf_load_logicalvol()
1516 if (lvd->integritySeqExt.extLength) in udf_load_logicalvol()
1517 udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt)); in udf_load_logicalvol()
1520 if (!sbi->s_lvid_bh) { in udf_load_logicalvol()
1527 ret = -EACCES; in udf_load_logicalvol()
1536 * Find the prevailing Logical Volume Integrity Descriptor.
1560 loc.extLength -= sb->s_blocksize; in udf_load_logicalvolint()
1567 brelse(sbi->s_lvid_bh); in udf_load_logicalvolint()
1568 sbi->s_lvid_bh = final_bh; in udf_load_logicalvolint()
1570 lvid = (struct logicalVolIntegrityDesc *)final_bh->b_data; in udf_load_logicalvolint()
1571 if (lvid->nextIntegrityExt.extLength == 0) in udf_load_logicalvolint()
1574 loc = leea_to_cpu(lvid->nextIntegrityExt); in udf_load_logicalvolint()
1580 brelse(sbi->s_lvid_bh); in udf_load_logicalvolint()
1581 sbi->s_lvid_bh = NULL; in udf_load_logicalvolint()
1584 parts = le32_to_cpu(lvid->numOfPartitions); in udf_load_logicalvolint()
1585 impuselen = le32_to_cpu(lvid->lengthOfImpUse); in udf_load_logicalvolint()
1586 if (parts >= sb->s_blocksize || impuselen >= sb->s_blocksize || in udf_load_logicalvolint()
1588 2 * parts * sizeof(u32) > sb->s_blocksize) { in udf_load_logicalvolint()
1617 struct partitionDesc *desc = (struct partitionDesc *)bh->b_data; in handle_partition_descriptor()
1621 partnum = le16_to_cpu(desc->partitionNumber); in handle_partition_descriptor()
1622 for (i = 0; i < data->num_part_descs; i++) in handle_partition_descriptor()
1623 if (partnum == data->part_descs_loc[i].partnum) in handle_partition_descriptor()
1624 return &(data->part_descs_loc[i].rec); in handle_partition_descriptor()
1625 if (data->num_part_descs >= data->size_part_descs) { in handle_partition_descriptor()
1631 return ERR_PTR(-ENOMEM); in handle_partition_descriptor()
1632 memcpy(new_loc, data->part_descs_loc, in handle_partition_descriptor()
1633 data->size_part_descs * sizeof(*new_loc)); in handle_partition_descriptor()
1634 kfree(data->part_descs_loc); in handle_partition_descriptor()
1635 data->part_descs_loc = new_loc; in handle_partition_descriptor()
1636 data->size_part_descs = new_size; in handle_partition_descriptor()
1638 return &(data->part_descs_loc[data->num_part_descs++].rec); in handle_partition_descriptor()
1647 return &(data->vds[VDS_POS_PRIMARY_VOL_DESC]); in get_volume_descriptor_record()
1649 return &(data->vds[VDS_POS_IMP_USE_VOL_DESC]); in get_volume_descriptor_record()
1651 return &(data->vds[VDS_POS_LOGICAL_VOL_DESC]); in get_volume_descriptor_record()
1653 return &(data->vds[VDS_POS_UNALLOC_SPACE_DESC]); in get_volume_descriptor_record()
1661 * Process a main/reserve volume descriptor sequence.
1666 * Returns <0 on error, 0 on success. -EAGAIN is special - try next descriptor
1693 return -ENOMEM; in udf_process_sequence()
1704 /* Process each descriptor (ISO 13346 3/8.3-8.4) */ in udf_process_sequence()
1705 gd = (struct generic_desc *)bh->b_data; in udf_process_sequence()
1706 vdsn = le32_to_cpu(gd->volDescSeqNum); in udf_process_sequence()
1710 udf_err(sb, "too many Volume Descriptor " in udf_process_sequence()
1714 ret = -EIO; in udf_process_sequence()
1715 goto out; in udf_process_sequence()
1718 vdp = (struct volDescPtr *)bh->b_data; in udf_process_sequence()
1719 block = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation); in udf_process_sequence()
1721 vdp->nextVolDescSeqExt.extLength) >> in udf_process_sequence()
1722 sb->s_blocksize_bits; in udf_process_sequence()
1723 lastblock += block - 1; in udf_process_sequence()
1725 block--; in udf_process_sequence()
1736 goto out; in udf_process_sequence()
1741 if (vdsn >= curr->volDescSeqNum) { in udf_process_sequence()
1742 curr->volDescSeqNum = vdsn; in udf_process_sequence()
1743 curr->block = block; in udf_process_sequence()
1757 udf_err(sb, "Primary Volume Descriptor not found!\n"); in udf_process_sequence()
1758 ret = -EAGAIN; in udf_process_sequence()
1759 goto out; in udf_process_sequence()
1763 goto out; in udf_process_sequence()
1770 goto out; in udf_process_sequence()
1777 goto out; in udf_process_sequence()
1780 out: in udf_process_sequence()
1786 * Load Volume Descriptor Sequence described by anchor in bh
1797 anchor = (struct anchorVolDescPtr *)bh->b_data; in udf_load_sequence()
1800 main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation); in udf_load_sequence()
1801 main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength); in udf_load_sequence()
1802 main_e = main_e >> sb->s_blocksize_bits; in udf_load_sequence()
1803 main_e += main_s - 1; in udf_load_sequence()
1806 reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation); in udf_load_sequence()
1807 reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength); in udf_load_sequence()
1808 reserve_e = reserve_e >> sb->s_blocksize_bits; in udf_load_sequence()
1809 reserve_e += reserve_s - 1; in udf_load_sequence()
1814 if (ret != -EAGAIN) in udf_load_sequence()
1820 /* No sequence was OK, return -EIO */ in udf_load_sequence()
1821 if (ret == -EAGAIN) in udf_load_sequence()
1822 ret = -EIO; in udf_load_sequence()
1829 * load Volume Descriptor Sequence if so.
1831 * Returns <0 on error, 0 on success, -EAGAIN is special - try next anchor
1843 i_size_read(sb->s_bdev->bd_inode) >> sb->s_blocksize_bits) in udf_check_anchor_block()
1844 return -EAGAIN; in udf_check_anchor_block()
1848 return -EAGAIN; in udf_check_anchor_block()
1851 return -EAGAIN; in udf_check_anchor_block()
1859 * Search for an anchor volume descriptor pointer.
1861 * Returns < 0 on error, 0 on success. -EAGAIN is special - try next set
1874 if (sbi->s_anchor) { in udf_scan_anchors()
1875 ret = udf_check_anchor_block(sb, sbi->s_anchor, fileset); in udf_scan_anchors()
1876 if (ret != -EAGAIN) in udf_scan_anchors()
1882 * lastblock-256 in udf_scan_anchors()
1886 ret = udf_check_anchor_block(sb, sbi->s_session + 256, fileset); in udf_scan_anchors()
1887 if (ret != -EAGAIN) in udf_scan_anchors()
1895 last[last_count++] = *lastblock - 1; in udf_scan_anchors()
1898 last[last_count++] = *lastblock - 2; in udf_scan_anchors()
1900 last[last_count++] = *lastblock - 150; in udf_scan_anchors()
1902 last[last_count++] = *lastblock - 152; in udf_scan_anchors()
1905 if (last[i] >= i_size_read(sb->s_bdev->bd_inode) >> in udf_scan_anchors()
1906 sb->s_blocksize_bits) in udf_scan_anchors()
1909 if (ret != -EAGAIN) { in udf_scan_anchors()
1916 ret = udf_check_anchor_block(sb, last[i] - 256, fileset); in udf_scan_anchors()
1917 if (ret != -EAGAIN) { in udf_scan_anchors()
1925 return udf_check_anchor_block(sb, sbi->s_session + 512, fileset); in udf_scan_anchors()
1929 * Find an anchor volume descriptor and load Volume Descriptor Sequence from
1930 * area specified by it. The function expects sbi->s_lastblock to be the last
1933 * Return <0 on error, 0 if anchor found. -EAGAIN is special meaning anchor
1940 sector_t lastblock = sbi->s_last_block; in udf_find_anchor()
1944 if (ret != -EAGAIN) in udf_find_anchor()
1945 goto out; in udf_find_anchor()
1949 lastblock = udf_variable_to_fixed(sbi->s_last_block); in udf_find_anchor()
1952 if (ret != -EAGAIN) in udf_find_anchor()
1953 goto out; in udf_find_anchor()
1955 lastblock = sbi->s_last_block; in udf_find_anchor()
1962 out: in udf_find_anchor()
1964 sbi->s_last_block = lastblock; in udf_find_anchor()
1969 * Check Volume Structure Descriptor, find Anchor block and load Volume
1972 * Returns < 0 on error, 0 on success. -EAGAIN is special meaning anchor
1982 if (!sb_set_blocksize(sb, uopt->blocksize)) { in udf_load_vrs()
1985 return -EINVAL; in udf_load_vrs()
1987 sbi->s_last_block = uopt->lastblock; in udf_load_vrs()
1988 if (!uopt->novrs) { in udf_load_vrs()
1994 return -EINVAL; in udf_load_vrs()
1996 if (nsr == -1) in udf_load_vrs()
2000 if (!sbi->s_last_block) in udf_load_vrs()
2001 sbi->s_last_block = udf_get_last_block(sb); in udf_load_vrs()
2006 /* Look for anchor block and load Volume Descriptor Sequence */ in udf_load_vrs()
2007 sbi->s_anchor = uopt->anchor; in udf_load_vrs()
2010 if (!silent && ret == -EAGAIN) in udf_load_vrs()
2022 udf_time_to_disk_stamp(&lvid->recordingDateAndTime, ts); in udf_finalize_lvid()
2023 lvid->descTag.descCRC = cpu_to_le16( in udf_finalize_lvid()
2025 le16_to_cpu(lvid->descTag.descCRCLength))); in udf_finalize_lvid()
2026 lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag); in udf_finalize_lvid()
2032 struct buffer_head *bh = sbi->s_lvid_bh; in udf_open_lvid()
2038 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_open_lvid()
2043 mutex_lock(&sbi->s_alloc_mutex); in udf_open_lvid()
2044 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; in udf_open_lvid()
2045 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; in udf_open_lvid()
2046 if (le32_to_cpu(lvid->integrityType) == LVID_INTEGRITY_TYPE_CLOSE) in udf_open_lvid()
2047 lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN); in udf_open_lvid()
2053 sbi->s_lvid_dirty = 0; in udf_open_lvid()
2054 mutex_unlock(&sbi->s_alloc_mutex); in udf_open_lvid()
2062 struct buffer_head *bh = sbi->s_lvid_bh; in udf_close_lvid()
2068 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_close_lvid()
2073 mutex_lock(&sbi->s_alloc_mutex); in udf_close_lvid()
2074 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; in udf_close_lvid()
2075 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; in udf_close_lvid()
2076 if (UDF_MAX_WRITE_VERSION > le16_to_cpu(lvidiu->maxUDFWriteRev)) in udf_close_lvid()
2077 lvidiu->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION); in udf_close_lvid()
2078 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFReadRev)) in udf_close_lvid()
2079 lvidiu->minUDFReadRev = cpu_to_le16(sbi->s_udfrev); in udf_close_lvid()
2080 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFWriteRev)) in udf_close_lvid()
2081 lvidiu->minUDFWriteRev = cpu_to_le16(sbi->s_udfrev); in udf_close_lvid()
2083 lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); in udf_close_lvid()
2093 sbi->s_lvid_dirty = 0; in udf_close_lvid()
2094 mutex_unlock(&sbi->s_alloc_mutex); in udf_close_lvid()
2108 bh = sbi->s_lvid_bh; in lvid_get_unique_id()
2112 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in lvid_get_unique_id()
2113 lvhd = (struct logicalVolHeaderDesc *)lvid->logicalVolContentsUse; in lvid_get_unique_id()
2115 mutex_lock(&sbi->s_alloc_mutex); in lvid_get_unique_id()
2116 ret = uniqueID = le64_to_cpu(lvhd->uniqueID); in lvid_get_unique_id()
2119 lvhd->uniqueID = cpu_to_le64(uniqueID); in lvid_get_unique_id()
2121 mutex_unlock(&sbi->s_alloc_mutex); in lvid_get_unique_id()
2128 int ret = -EINVAL; in udf_fill_super()
2136 /* By default we'll use overflow[ug]id when UDF inode [ug]id == -1 */ in udf_fill_super()
2146 return -ENOMEM; in udf_fill_super()
2148 sb->s_fs_info = sbi; in udf_fill_super()
2150 mutex_init(&sbi->s_alloc_mutex); in udf_fill_super()
2158 sbi->s_flags = uopt.flags; in udf_fill_super()
2159 sbi->s_uid = uopt.uid; in udf_fill_super()
2160 sbi->s_gid = uopt.gid; in udf_fill_super()
2161 sbi->s_umask = uopt.umask; in udf_fill_super()
2162 sbi->s_fmode = uopt.fmode; in udf_fill_super()
2163 sbi->s_dmode = uopt.dmode; in udf_fill_super()
2164 sbi->s_nls_map = uopt.nls_map; in udf_fill_super()
2165 rwlock_init(&sbi->s_cred_lock); in udf_fill_super()
2168 sbi->s_session = udf_get_last_session(sb); in udf_fill_super()
2170 sbi->s_session = uopt.session; in udf_fill_super()
2172 udf_debug("Multi-session=%d\n", sbi->s_session); in udf_fill_super()
2175 sb->s_op = &udf_sb_ops; in udf_fill_super()
2176 sb->s_export_op = &udf_export_ops; in udf_fill_super()
2178 sb->s_magic = UDF_SUPER_MAGIC; in udf_fill_super()
2179 sb->s_time_gran = 1000; in udf_fill_super()
2184 uopt.blocksize = bdev_logical_block_size(sb->s_bdev); in udf_fill_super()
2188 if (!silent && ret != -EACCES) { in udf_fill_super()
2192 brelse(sbi->s_lvid_bh); in udf_fill_super()
2193 sbi->s_lvid_bh = NULL; in udf_fill_super()
2195 * EACCES is special - we want to propagate to in udf_fill_super()
2198 if (ret == -EACCES) in udf_fill_super()
2207 if (ret == -EAGAIN) { in udf_fill_super()
2209 ret = -EINVAL; in udf_fill_super()
2214 udf_debug("Lastblock=%u\n", sbi->s_last_block); in udf_fill_super()
2216 if (sbi->s_lvid_bh) { in udf_fill_super()
2223 ret = -EINVAL; in udf_fill_super()
2226 minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev); in udf_fill_super()
2227 minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev); in udf_fill_super()
2232 ret = -EINVAL; in udf_fill_super()
2236 ret = -EACCES; in udf_fill_super()
2242 sbi->s_udfrev = minUDFWriteRev; in udf_fill_super()
2250 if (!sbi->s_partitions) { in udf_fill_super()
2252 ret = -EINVAL; in udf_fill_super()
2256 if (sbi->s_partmaps[sbi->s_partition].s_partition_flags & in udf_fill_super()
2259 ret = -EACCES; in udf_fill_super()
2273 udf_time_to_disk_stamp(&ts, sbi->s_record_time); in udf_fill_super()
2274 udf_info("Mounting volume '%s', timestamp %04u/%02u/%02u %02u:%02u (%x)\n", in udf_fill_super()
2275 sbi->s_volume_ident, in udf_fill_super()
2296 sb->s_root = d_make_root(inode); in udf_fill_super()
2297 if (!sb->s_root) { in udf_fill_super()
2299 ret = -ENOMEM; in udf_fill_super()
2302 sb->s_maxbytes = MAX_LFS_FILESIZE; in udf_fill_super()
2303 sb->s_max_links = UDF_MAX_LINKS; in udf_fill_super()
2307 iput(sbi->s_vat_inode); in udf_fill_super()
2312 brelse(sbi->s_lvid_bh); in udf_fill_super()
2315 sb->s_fs_info = NULL; in udf_fill_super()
2331 pr_err("error (device %s): %s: %pV", sb->s_id, function, &vaf); in _udf_err()
2347 pr_warn("warning (device %s): %s: %pV", sb->s_id, function, &vaf); in _udf_warn()
2358 iput(sbi->s_vat_inode); in udf_put_super()
2359 unload_nls(sbi->s_nls_map); in udf_put_super()
2362 brelse(sbi->s_lvid_bh); in udf_put_super()
2364 mutex_destroy(&sbi->s_alloc_mutex); in udf_put_super()
2365 kfree(sb->s_fs_info); in udf_put_super()
2366 sb->s_fs_info = NULL; in udf_put_super()
2373 mutex_lock(&sbi->s_alloc_mutex); in udf_sync_fs()
2374 if (sbi->s_lvid_dirty) { in udf_sync_fs()
2375 struct buffer_head *bh = sbi->s_lvid_bh; in udf_sync_fs()
2378 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_sync_fs()
2386 sbi->s_lvid_dirty = 0; in udf_sync_fs()
2388 mutex_unlock(&sbi->s_alloc_mutex); in udf_sync_fs()
2395 struct super_block *sb = dentry->d_sb; in udf_statfs()
2398 u64 id = huge_encode_dev(sb->s_bdev->bd_dev); in udf_statfs()
2401 buf->f_type = UDF_SUPER_MAGIC; in udf_statfs()
2402 buf->f_bsize = sb->s_blocksize; in udf_statfs()
2403 buf->f_blocks = sbi->s_partmaps[sbi->s_partition].s_partition_len; in udf_statfs()
2404 buf->f_bfree = udf_count_free(sb); in udf_statfs()
2405 buf->f_bavail = buf->f_bfree; in udf_statfs()
2410 buf->f_files = (lvidiu != NULL ? (le32_to_cpu(lvidiu->numFiles) + in udf_statfs()
2411 le32_to_cpu(lvidiu->numDirs)) : 0) in udf_statfs()
2412 + buf->f_bfree; in udf_statfs()
2413 buf->f_ffree = buf->f_bfree; in udf_statfs()
2414 buf->f_namelen = UDF_NAME_LEN; in udf_statfs()
2415 buf->f_fsid = u64_to_fsid(id); in udf_statfs()
2433 loc.logicalBlockNum = bitmap->s_extPosition; in udf_count_free_bitmap()
2434 loc.partitionReferenceNum = UDF_SB(sb)->s_partition; in udf_count_free_bitmap()
2439 goto out; in udf_count_free_bitmap()
2443 goto out; in udf_count_free_bitmap()
2446 bm = (struct spaceBitmapDesc *)bh->b_data; in udf_count_free_bitmap()
2447 bytes = le32_to_cpu(bm->numOfBytes); in udf_count_free_bitmap()
2449 ptr = (uint8_t *)bh->b_data; in udf_count_free_bitmap()
2452 u32 cur_bytes = min_t(u32, bytes, sb->s_blocksize - index); in udf_count_free_bitmap()
2455 bytes -= cur_bytes; in udf_count_free_bitmap()
2462 goto out; in udf_count_free_bitmap()
2465 ptr = (uint8_t *)bh->b_data; in udf_count_free_bitmap()
2469 out: in udf_count_free_bitmap()
2482 mutex_lock(&UDF_SB(sb)->s_alloc_mutex); in udf_count_free_table()
2483 epos.block = UDF_I(table)->i_location; in udf_count_free_table()
2487 while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) in udf_count_free_table()
2488 accum += (elen >> table->i_sb->s_blocksize_bits); in udf_count_free_table()
2491 mutex_unlock(&UDF_SB(sb)->s_alloc_mutex); in udf_count_free_table()
2501 unsigned int part = sbi->s_partition; in udf_count_free()
2502 int ptype = sbi->s_partmaps[part].s_partition_type; in udf_count_free()
2505 part = sbi->s_partmaps[part].s_type_specific.s_metadata. in udf_count_free()
2509 * Filesystems with VAT are append-only and we cannot write to in udf_count_free()
2515 if (sbi->s_lvid_bh) { in udf_count_free()
2518 sbi->s_lvid_bh->b_data; in udf_count_free()
2519 if (le32_to_cpu(lvid->numOfPartitions) > part) { in udf_count_free()
2521 lvid->freeSpaceTable[part]); in udf_count_free()
2530 map = &sbi->s_partmaps[part]; in udf_count_free()
2531 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { in udf_count_free()
2533 map->s_uspace.s_bitmap); in udf_count_free()
2538 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) { in udf_count_free()
2540 map->s_uspace.s_table); in udf_count_free()