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 if (!IS_ERR_OR_NULL(bitmap->s_block_bitmap[i])) in udf_sb_free_bitmap()
273 brelse(bitmap->s_block_bitmap[i]); in udf_sb_free_bitmap()
283 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) in udf_free_partition()
284 iput(map->s_uspace.s_table); in udf_free_partition()
285 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) in udf_free_partition()
286 udf_sb_free_bitmap(map->s_uspace.s_bitmap); in udf_free_partition()
287 if (map->s_partition_type == UDF_SPARABLE_MAP15) in udf_free_partition()
289 brelse(map->s_type_specific.s_sparing.s_spar_map[i]); in udf_free_partition()
290 else if (map->s_partition_type == UDF_METADATA_MAP25) { in udf_free_partition()
291 mdata = &map->s_type_specific.s_metadata; in udf_free_partition()
292 iput(mdata->s_metadata_fe); in udf_free_partition()
293 mdata->s_metadata_fe = NULL; in udf_free_partition()
295 iput(mdata->s_mirror_fe); in udf_free_partition()
296 mdata->s_mirror_fe = NULL; in udf_free_partition()
298 iput(mdata->s_bitmap_fe); in udf_free_partition()
299 mdata->s_bitmap_fe = NULL; in udf_free_partition()
308 if (!sbi->s_partmaps) in udf_sb_free_partitions()
310 for (i = 0; i < sbi->s_partitions; i++) in udf_sb_free_partitions()
311 udf_free_partition(&sbi->s_partmaps[i]); in udf_sb_free_partitions()
312 kfree(sbi->s_partmaps); in udf_sb_free_partitions()
313 sbi->s_partmaps = NULL; in udf_sb_free_partitions()
318 struct super_block *sb = root->d_sb; in udf_show_options()
324 seq_printf(seq, ",bs=%lu", sb->s_blocksize); in udf_show_options()
338 seq_printf(seq, ",uid=%u", from_kuid(&init_user_ns, sbi->s_uid)); in udf_show_options()
340 seq_printf(seq, ",gid=%u", from_kgid(&init_user_ns, sbi->s_gid)); in udf_show_options()
341 if (sbi->s_umask != 0) in udf_show_options()
342 seq_printf(seq, ",umask=%ho", sbi->s_umask); in udf_show_options()
343 if (sbi->s_fmode != UDF_INVALID_MODE) in udf_show_options()
344 seq_printf(seq, ",mode=%ho", sbi->s_fmode); in udf_show_options()
345 if (sbi->s_dmode != UDF_INVALID_MODE) in udf_show_options()
346 seq_printf(seq, ",dmode=%ho", sbi->s_dmode); in udf_show_options()
348 seq_printf(seq, ",session=%d", sbi->s_session); in udf_show_options()
350 seq_printf(seq, ",lastblock=%u", sbi->s_last_block); in udf_show_options()
351 if (sbi->s_anchor != 0) in udf_show_options()
352 seq_printf(seq, ",anchor=%u", sbi->s_anchor); in udf_show_options()
353 if (sbi->s_nls_map) in udf_show_options()
354 seq_printf(seq, ",iocharset=%s", sbi->s_nls_map->charset); in udf_show_options()
387 * novrs Skip volume sequence recognition
393 * volume= Override the VolumeDesc location. (unused)
401 * WARNING: overriding the rootdir to a non-directory may
404 * PRE-CONDITIONS
408 * POST-CONDITIONS
413 * July 1, 1997 - Andrew E. Mileski
447 {Opt_volume, "volume=%u"},
465 uopt->novrs = 0; in udf_parse_options()
466 uopt->session = 0xFFFFFFFF; in udf_parse_options()
467 uopt->lastblock = 0; in udf_parse_options()
468 uopt->anchor = 0; in udf_parse_options()
483 uopt->novrs = 1; in udf_parse_options()
491 uopt->blocksize = n; in udf_parse_options()
492 uopt->flags |= (1 << UDF_FLAG_BLOCKSIZE_SET); in udf_parse_options()
495 uopt->flags |= (1 << UDF_FLAG_UNHIDE); in udf_parse_options()
498 uopt->flags |= (1 << UDF_FLAG_UNDELETE); in udf_parse_options()
501 uopt->flags &= ~(1 << UDF_FLAG_USE_AD_IN_ICB); in udf_parse_options()
504 uopt->flags |= (1 << UDF_FLAG_USE_AD_IN_ICB); in udf_parse_options()
507 uopt->flags |= (1 << UDF_FLAG_USE_SHORT_AD); in udf_parse_options()
510 uopt->flags &= ~(1 << UDF_FLAG_USE_SHORT_AD); in udf_parse_options()
515 uopt->gid = make_kgid(current_user_ns(), uv); in udf_parse_options()
516 if (!gid_valid(uopt->gid)) in udf_parse_options()
518 uopt->flags |= (1 << UDF_FLAG_GID_SET); in udf_parse_options()
523 uopt->uid = make_kuid(current_user_ns(), uv); in udf_parse_options()
524 if (!uid_valid(uopt->uid)) in udf_parse_options()
526 uopt->flags |= (1 << UDF_FLAG_UID_SET); in udf_parse_options()
531 uopt->umask = option; in udf_parse_options()
534 uopt->flags &= ~(1 << UDF_FLAG_STRICT); in udf_parse_options()
539 uopt->session = option; in udf_parse_options()
541 uopt->flags |= (1 << UDF_FLAG_SESSION_SET); in udf_parse_options()
546 uopt->lastblock = option; in udf_parse_options()
548 uopt->flags |= (1 << UDF_FLAG_LASTBLOCK_SET); in udf_parse_options()
553 uopt->anchor = option; in udf_parse_options()
563 unload_nls(uopt->nls_map); in udf_parse_options()
564 uopt->nls_map = NULL; in udf_parse_options()
569 unload_nls(uopt->nls_map); in udf_parse_options()
570 uopt->nls_map = NULL; in udf_parse_options()
572 /* When nls_map is not loaded then UTF-8 is used */ in udf_parse_options()
574 uopt->nls_map = load_nls(args[0].from); in udf_parse_options()
575 if (!uopt->nls_map) { in udf_parse_options()
583 uopt->flags |= (1 << UDF_FLAG_UID_FORGET); in udf_parse_options()
590 uopt->flags |= (1 << UDF_FLAG_GID_FORGET); in udf_parse_options()
595 uopt->fmode = option & 0777; in udf_parse_options()
600 uopt->dmode = option & 0777; in udf_parse_options()
617 return -EACCES; in udf_remount_fs()
621 uopt.flags = sbi->s_flags; in udf_remount_fs()
622 uopt.uid = sbi->s_uid; in udf_remount_fs()
623 uopt.gid = sbi->s_gid; in udf_remount_fs()
624 uopt.umask = sbi->s_umask; in udf_remount_fs()
625 uopt.fmode = sbi->s_fmode; in udf_remount_fs()
626 uopt.dmode = sbi->s_dmode; in udf_remount_fs()
630 return -EINVAL; in udf_remount_fs()
632 write_lock(&sbi->s_cred_lock); in udf_remount_fs()
633 sbi->s_flags = uopt.flags; in udf_remount_fs()
634 sbi->s_uid = uopt.uid; in udf_remount_fs()
635 sbi->s_gid = uopt.gid; in udf_remount_fs()
636 sbi->s_umask = uopt.umask; in udf_remount_fs()
637 sbi->s_fmode = uopt.fmode; in udf_remount_fs()
638 sbi->s_dmode = uopt.dmode; in udf_remount_fs()
639 write_unlock(&sbi->s_cred_lock); in udf_remount_fs()
654 * Check VSD descriptor. Returns -1 in case we are at the end of volume
655 * recognition area, 0 if the descriptor is valid but non-interesting, 1 if
662 if (!memcmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) { in identify_vsd()
663 switch (vsd->structType) { in identify_vsd()
668 udf_debug("ISO9660 Primary Volume Descriptor found\n"); in identify_vsd()
671 udf_debug("ISO9660 Supplementary Volume Descriptor found\n"); in identify_vsd()
674 udf_debug("ISO9660 Volume Partition Descriptor found\n"); in identify_vsd()
677 udf_debug("ISO9660 Volume Descriptor Set Terminator found\n"); in identify_vsd()
680 udf_debug("ISO9660 VRS (%u) found\n", vsd->structType); in identify_vsd()
683 } else if (!memcmp(vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) in identify_vsd()
685 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) in identify_vsd()
687 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) in identify_vsd()
689 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_BOOT2, VSD_STD_ID_LEN)) in identify_vsd()
691 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_CDW02, VSD_STD_ID_LEN)) in identify_vsd()
694 /* TEA01 or invalid id : end of volume recognition area */ in identify_vsd()
695 ret = -1; in identify_vsd()
702 * Check Volume Structure Descriptors (ECMA 167 2/9.1)
703 * We also check any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1)
705 * -1 if first sector read error, 0 otherwise
718 if (sb->s_blocksize < sizeof(struct volStructDesc)) in udf_check_vsd()
721 sectorsize = sb->s_blocksize; in udf_check_vsd()
723 session_offset = (loff_t)sbi->s_session << sb->s_blocksize_bits; in udf_check_vsd()
727 (unsigned int)(sector >> sb->s_blocksize_bits), in udf_check_vsd()
728 sb->s_blocksize); in udf_check_vsd()
729 /* Process the sequence (if applicable). The hard limit on the sector in udf_check_vsd()
732 * bound to the size of the volume recognition area in the standard. in udf_check_vsd()
733 * The limit will prevent the code to read all the sectors of a in udf_check_vsd()
737 * (all 0xFF) before the check for the limit and all valid IDs were in udf_check_vsd()
741 bh = sb_bread(sb, sector >> sb->s_blocksize_bits); in udf_check_vsd()
745 vsd = (struct volStructDesc *)(bh->b_data + in udf_check_vsd()
746 (sector & (sb->s_blocksize - 1))); in udf_check_vsd()
758 if (sb->s_blocksize == 4096) { in udf_check_vsd()
769 else if (!bh && sector - session_offset == VSD_FIRST_SECTOR_OFFSET) in udf_check_vsd()
770 return -1; in udf_check_vsd()
780 if (memcmp(ident->ident, UDF_ID_COMPLIANT, strlen(UDF_ID_COMPLIANT))) { in udf_verify_domain_identifier()
784 if (ident->flags & ENTITYID_FLAGS_DIRTY) { in udf_verify_domain_identifier()
789 suffix = (struct domainIdentSuffix *)ident->identSuffix; in udf_verify_domain_identifier()
790 if ((suffix->domainFlags & DOMAIN_FLAGS_HARD_WRITE_PROTECT) || in udf_verify_domain_identifier()
791 (suffix->domainFlags & DOMAIN_FLAGS_SOFT_WRITE_PROTECT)) { in udf_verify_domain_identifier()
802 return -EACCES; in udf_verify_domain_identifier()
812 ret = udf_verify_domain_identifier(sb, &fset->domainIdent, "file set"); in udf_load_fileset()
816 *root = lelb_to_cpu(fset->rootDirectoryICB.extLocation); in udf_load_fileset()
817 UDF_SB(sb)->s_serial_number = le16_to_cpu(fset->descTag.tagSerialNum); in udf_load_fileset()
820 root->logicalBlockNum, root->partitionReferenceNum); in udf_load_fileset()
832 if (fileset->logicalBlockNum == 0xFFFFFFFF && in udf_find_fileset()
833 fileset->partitionReferenceNum == 0xFFFF) in udf_find_fileset()
834 return -EINVAL; in udf_find_fileset()
838 return -EIO; in udf_find_fileset()
841 return -EINVAL; in udf_find_fileset()
845 fileset->logicalBlockNum, fileset->partitionReferenceNum); in udf_find_fileset()
847 UDF_SB(sb)->s_partition = fileset->partitionReferenceNum; in udf_find_fileset()
848 ret = udf_load_fileset(sb, (struct fileSetDesc *)bh->b_data, root); in udf_find_fileset()
854 * Load primary Volume Descriptor Sequence
856 * Return <0 on error, 0 on success. -EAGAIN is special meaning next sequence
870 return -ENOMEM; in udf_load_pvoldesc()
874 ret = -EAGAIN; in udf_load_pvoldesc()
879 ret = -EIO; in udf_load_pvoldesc()
883 pvoldesc = (struct primaryVolDesc *)bh->b_data; in udf_load_pvoldesc()
885 udf_disk_stamp_to_time(&UDF_SB(sb)->s_record_time, in udf_load_pvoldesc()
886 pvoldesc->recordingDateAndTime); in udf_load_pvoldesc()
887 ts = &pvoldesc->recordingDateAndTime; in udf_load_pvoldesc()
889 le16_to_cpu(ts->year), ts->month, ts->day, ts->hour, in udf_load_pvoldesc()
890 ts->minute, le16_to_cpu(ts->typeAndTimezone)); in udf_load_pvoldesc()
892 ret = udf_dstrCS0toChar(sb, outstr, 31, pvoldesc->volIdent, 32); in udf_load_pvoldesc()
894 strcpy(UDF_SB(sb)->s_volume_ident, "InvalidName"); in udf_load_pvoldesc()
895 pr_warn("incorrect volume identification, setting to " in udf_load_pvoldesc()
898 strncpy(UDF_SB(sb)->s_volume_ident, outstr, ret); in udf_load_pvoldesc()
900 udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident); in udf_load_pvoldesc()
902 ret = udf_dstrCS0toChar(sb, outstr, 127, pvoldesc->volSetIdent, 128); in udf_load_pvoldesc()
933 if (UDF_I(metadata_fe)->i_alloc_type != ICBTAG_FLAG_AD_SHORT) { in udf_find_metadata_inode_efe()
936 return ERR_PTR(-EIO); in udf_find_metadata_inode_efe()
951 map = &sbi->s_partmaps[partition]; in udf_load_metadata_files()
952 mdata = &map->s_type_specific.s_metadata; in udf_load_metadata_files()
953 mdata->s_phys_partition_ref = type1_index; in udf_load_metadata_files()
957 mdata->s_meta_file_loc, mdata->s_phys_partition_ref); in udf_load_metadata_files()
959 fe = udf_find_metadata_inode_efe(sb, mdata->s_meta_file_loc, in udf_load_metadata_files()
960 mdata->s_phys_partition_ref); in udf_load_metadata_files()
964 mdata->s_mirror_file_loc, mdata->s_phys_partition_ref); in udf_load_metadata_files()
966 fe = udf_find_metadata_inode_efe(sb, mdata->s_mirror_file_loc, in udf_load_metadata_files()
967 mdata->s_phys_partition_ref); in udf_load_metadata_files()
973 mdata->s_mirror_fe = fe; in udf_load_metadata_files()
975 mdata->s_metadata_fe = fe; in udf_load_metadata_files()
981 * Load only if bitmap file location differs from 0xFFFFFFFF (DCN-5102) in udf_load_metadata_files()
983 if (mdata->s_bitmap_file_loc != 0xFFFFFFFF) { in udf_load_metadata_files()
984 addr.logicalBlockNum = mdata->s_bitmap_file_loc; in udf_load_metadata_files()
985 addr.partitionReferenceNum = mdata->s_phys_partition_ref; in udf_load_metadata_files()
993 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()
995 udf_err(sb, "bitmap inode efe not found and attempted read-write mount\n"); in udf_load_metadata_files()
999 mdata->s_bitmap_fe = fe; in udf_load_metadata_files()
1008 struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; in udf_compute_nr_groups()
1009 return DIV_ROUND_UP(map->s_partition_len + in udf_compute_nr_groups()
1011 sb->s_blocksize * 8); in udf_compute_nr_groups()
1024 bitmap->s_nr_groups = nr_groups; in udf_sb_alloc_bitmap()
1035 switch (le32_to_cpu(p->accessType)) { in check_partition_desc()
1043 if (strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR02) && in check_partition_desc()
1044 strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR03)) in check_partition_desc()
1047 phd = (struct partitionHeaderDesc *)p->partitionContentsUse; in check_partition_desc()
1048 utable = phd->unallocSpaceTable.extLength; in check_partition_desc()
1049 umap = phd->unallocSpaceBitmap.extLength; in check_partition_desc()
1050 ftable = phd->freedSpaceTable.extLength; in check_partition_desc()
1051 fmap = phd->freedSpaceBitmap.extLength; in check_partition_desc()
1060 /* UDF 2.60: 2.3.3 - no mixing of tables & bitmaps, no VAT. */ in check_partition_desc()
1064 if (map->s_partition_type == UDF_VIRTUAL_MAP15 || in check_partition_desc()
1065 map->s_partition_type == UDF_VIRTUAL_MAP20 || in check_partition_desc()
1066 map->s_partition_type == UDF_METADATA_MAP25) in check_partition_desc()
1072 return -EACCES; in check_partition_desc()
1086 map = &sbi->s_partmaps[p_index]; in udf_fill_partdesc_info()
1088 map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */ in udf_fill_partdesc_info()
1089 map->s_partition_root = le32_to_cpu(p->partitionStartingLocation); in udf_fill_partdesc_info()
1090 if (check_add_overflow(map->s_partition_root, map->s_partition_len, in udf_fill_partdesc_info()
1093 p_index, map->s_partition_root, map->s_partition_len); in udf_fill_partdesc_info()
1094 return -EFSCORRUPTED; in udf_fill_partdesc_info()
1097 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_READ_ONLY)) in udf_fill_partdesc_info()
1098 map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY; in udf_fill_partdesc_info()
1099 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_WRITE_ONCE)) in udf_fill_partdesc_info()
1100 map->s_partition_flags |= UDF_PART_FLAG_WRITE_ONCE; in udf_fill_partdesc_info()
1101 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_REWRITABLE)) in udf_fill_partdesc_info()
1102 map->s_partition_flags |= UDF_PART_FLAG_REWRITABLE; in udf_fill_partdesc_info()
1103 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_OVERWRITABLE)) in udf_fill_partdesc_info()
1104 map->s_partition_flags |= UDF_PART_FLAG_OVERWRITABLE; in udf_fill_partdesc_info()
1107 p_index, map->s_partition_type, in udf_fill_partdesc_info()
1108 map->s_partition_root, map->s_partition_len); in udf_fill_partdesc_info()
1122 phd = (struct partitionHeaderDesc *)p->partitionContentsUse; in udf_fill_partdesc_info()
1123 if (phd->unallocSpaceTable.extLength) { in udf_fill_partdesc_info()
1126 phd->unallocSpaceTable.extPosition), in udf_fill_partdesc_info()
1137 map->s_uspace.s_table = inode; in udf_fill_partdesc_info()
1138 map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_TABLE; in udf_fill_partdesc_info()
1140 p_index, map->s_uspace.s_table->i_ino); in udf_fill_partdesc_info()
1143 if (phd->unallocSpaceBitmap.extLength) { in udf_fill_partdesc_info()
1146 return -ENOMEM; in udf_fill_partdesc_info()
1147 map->s_uspace.s_bitmap = bitmap; in udf_fill_partdesc_info()
1148 bitmap->s_extPosition = le32_to_cpu( in udf_fill_partdesc_info()
1149 phd->unallocSpaceBitmap.extPosition); in udf_fill_partdesc_info()
1150 map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP; in udf_fill_partdesc_info()
1152 if (check_add_overflow(map->s_partition_len, in udf_fill_partdesc_info()
1156 map->s_partition_len); in udf_fill_partdesc_info()
1157 return -EFSCORRUPTED; in udf_fill_partdesc_info()
1160 p_index, bitmap->s_extPosition); in udf_fill_partdesc_info()
1170 struct udf_part_map *map = &sbi->s_partmaps[p_index]; in udf_find_vat_block()
1181 vat_block >= map->s_partition_root && in udf_find_vat_block()
1182 vat_block >= start_block - 3; vat_block--) { in udf_find_vat_block()
1183 ino.logicalBlockNum = vat_block - map->s_partition_root; in udf_find_vat_block()
1186 sbi->s_vat_inode = inode; in udf_find_vat_block()
1195 struct udf_part_map *map = &sbi->s_partmaps[p_index]; in udf_load_vat()
1201 udf_find_vat_block(sb, p_index, type1_index, sbi->s_last_block); in udf_load_vat()
1202 if (!sbi->s_vat_inode && in udf_load_vat()
1203 sbi->s_last_block != blocks - 1) { in udf_load_vat()
1205 (unsigned long)sbi->s_last_block, in udf_load_vat()
1206 (unsigned long)blocks - 1); in udf_load_vat()
1207 udf_find_vat_block(sb, p_index, type1_index, blocks - 1); in udf_load_vat()
1209 if (!sbi->s_vat_inode) in udf_load_vat()
1210 return -EIO; in udf_load_vat()
1212 if (map->s_partition_type == UDF_VIRTUAL_MAP15) { in udf_load_vat()
1213 map->s_type_specific.s_virtual.s_start_offset = 0; in udf_load_vat()
1214 map->s_type_specific.s_virtual.s_num_entries = in udf_load_vat()
1215 (sbi->s_vat_inode->i_size - 36) >> 2; in udf_load_vat()
1216 } else if (map->s_partition_type == UDF_VIRTUAL_MAP20) { in udf_load_vat()
1217 vati = UDF_I(sbi->s_vat_inode); in udf_load_vat()
1218 if (vati->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) { in udf_load_vat()
1221 bh = udf_bread(sbi->s_vat_inode, 0, 0, &err); in udf_load_vat()
1224 err = -EFSCORRUPTED; in udf_load_vat()
1227 vat20 = (struct virtualAllocationTable20 *)bh->b_data; in udf_load_vat()
1230 vati->i_data; in udf_load_vat()
1233 map->s_type_specific.s_virtual.s_start_offset = in udf_load_vat()
1234 le16_to_cpu(vat20->lengthHeader); in udf_load_vat()
1235 map->s_type_specific.s_virtual.s_num_entries = in udf_load_vat()
1236 (sbi->s_vat_inode->i_size - in udf_load_vat()
1237 map->s_type_specific.s_virtual. in udf_load_vat()
1247 * Returns <0 on error, 0 on success, -EAGAIN is special - try next descriptor
1263 return -EAGAIN; in udf_load_partdesc()
1269 p = (struct partitionDesc *)bh->b_data; in udf_load_partdesc()
1270 partitionNumber = le16_to_cpu(p->partitionNumber); in udf_load_partdesc()
1273 for (i = 0; i < sbi->s_partitions; i++) { in udf_load_partdesc()
1274 map = &sbi->s_partmaps[i]; in udf_load_partdesc()
1276 map->s_partition_num, partitionNumber); in udf_load_partdesc()
1277 if (map->s_partition_num == partitionNumber && in udf_load_partdesc()
1278 (map->s_partition_type == UDF_TYPE1_MAP15 || in udf_load_partdesc()
1279 map->s_partition_type == UDF_SPARABLE_MAP15)) in udf_load_partdesc()
1283 if (i >= sbi->s_partitions) { in udf_load_partdesc()
1300 for (i = 0; i < sbi->s_partitions; i++) { in udf_load_partdesc()
1301 map = &sbi->s_partmaps[i]; in udf_load_partdesc()
1303 if (map->s_partition_num == partitionNumber && in udf_load_partdesc()
1304 (map->s_partition_type == UDF_VIRTUAL_MAP15 || in udf_load_partdesc()
1305 map->s_partition_type == UDF_VIRTUAL_MAP20 || in udf_load_partdesc()
1306 map->s_partition_type == UDF_METADATA_MAP25)) in udf_load_partdesc()
1310 if (i >= sbi->s_partitions) { in udf_load_partdesc()
1319 if (map->s_partition_type == UDF_METADATA_MAP25) { in udf_load_partdesc()
1333 ret = -EACCES; in udf_load_partdesc()
1355 struct udf_sparing_data *sdata = &map->s_type_specific.s_sparing; in udf_load_sparable_map()
1359 map->s_partition_type = UDF_SPARABLE_MAP15; in udf_load_sparable_map()
1360 sdata->s_packet_len = le16_to_cpu(spm->packetLength); in udf_load_sparable_map()
1361 if (!is_power_of_2(sdata->s_packet_len)) { in udf_load_sparable_map()
1362 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1364 (unsigned)sdata->s_packet_len); in udf_load_sparable_map()
1365 return -EIO; in udf_load_sparable_map()
1367 if (spm->numSparingTables > 4) { in udf_load_sparable_map()
1368 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1370 (int)spm->numSparingTables); in udf_load_sparable_map()
1371 return -EIO; in udf_load_sparable_map()
1373 if (le32_to_cpu(spm->sizeSparingTable) > sb->s_blocksize) { in udf_load_sparable_map()
1374 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1376 le32_to_cpu(spm->sizeSparingTable)); in udf_load_sparable_map()
1377 return -EIO; in udf_load_sparable_map()
1380 for (i = 0; i < spm->numSparingTables; i++) { in udf_load_sparable_map()
1381 loc = le32_to_cpu(spm->locSparingTable[i]); in udf_load_sparable_map()
1386 st = (struct sparingTable *)bh->b_data; in udf_load_sparable_map()
1388 strncmp(st->sparingIdent.ident, UDF_ID_SPARING, in udf_load_sparable_map()
1390 sizeof(*st) + le16_to_cpu(st->reallocationTableLen) > in udf_load_sparable_map()
1391 sb->s_blocksize) { in udf_load_sparable_map()
1396 sdata->s_spar_map[i] = bh; in udf_load_sparable_map()
1398 map->s_partition_func = udf_get_pblock_spar15; in udf_load_sparable_map()
1417 return -EAGAIN; in udf_load_logicalvol()
1419 lvd = (struct logicalVolDesc *)bh->b_data; in udf_load_logicalvol()
1420 table_len = le32_to_cpu(lvd->mapTableLength); in udf_load_logicalvol()
1421 if (table_len > sb->s_blocksize - sizeof(*lvd)) { in udf_load_logicalvol()
1422 udf_err(sb, "error loading logical volume descriptor: " in udf_load_logicalvol()
1424 sb->s_blocksize - sizeof(*lvd)); in udf_load_logicalvol()
1425 ret = -EIO; in udf_load_logicalvol()
1429 ret = udf_verify_domain_identifier(sb, &lvd->domainIdent, in udf_load_logicalvol()
1430 "logical volume"); in udf_load_logicalvol()
1433 ret = udf_sb_alloc_partition_maps(sb, le32_to_cpu(lvd->numPartitionMaps)); in udf_load_logicalvol()
1438 i < sbi->s_partitions && offset < table_len; in udf_load_logicalvol()
1439 i++, offset += gpm->partitionMapLength) { in udf_load_logicalvol()
1440 struct udf_part_map *map = &sbi->s_partmaps[i]; in udf_load_logicalvol()
1442 &(lvd->partitionMaps[offset]); in udf_load_logicalvol()
1443 type = gpm->partitionMapType; in udf_load_logicalvol()
1447 map->s_partition_type = UDF_TYPE1_MAP15; in udf_load_logicalvol()
1448 map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum); in udf_load_logicalvol()
1449 map->s_partition_num = le16_to_cpu(gpm1->partitionNum); in udf_load_logicalvol()
1450 map->s_partition_func = NULL; in udf_load_logicalvol()
1454 if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, in udf_load_logicalvol()
1457 le16_to_cpu(((__le16 *)upm2->partIdent. in udf_load_logicalvol()
1460 map->s_partition_type = in udf_load_logicalvol()
1462 map->s_partition_func = in udf_load_logicalvol()
1465 map->s_partition_type = in udf_load_logicalvol()
1467 map->s_partition_func = in udf_load_logicalvol()
1470 } else if (!strncmp(upm2->partIdent.ident, in udf_load_logicalvol()
1477 } else if (!strncmp(upm2->partIdent.ident, in udf_load_logicalvol()
1481 &map->s_type_specific.s_metadata; in udf_load_logicalvol()
1484 &(lvd->partitionMaps[offset]); in udf_load_logicalvol()
1488 map->s_partition_type = UDF_METADATA_MAP25; in udf_load_logicalvol()
1489 map->s_partition_func = udf_get_pblock_meta25; in udf_load_logicalvol()
1491 mdata->s_meta_file_loc = in udf_load_logicalvol()
1492 le32_to_cpu(mdm->metadataFileLoc); in udf_load_logicalvol()
1493 mdata->s_mirror_file_loc = in udf_load_logicalvol()
1494 le32_to_cpu(mdm->metadataMirrorFileLoc); in udf_load_logicalvol()
1495 mdata->s_bitmap_file_loc = in udf_load_logicalvol()
1496 le32_to_cpu(mdm->metadataBitmapFileLoc); in udf_load_logicalvol()
1497 mdata->s_alloc_unit_size = in udf_load_logicalvol()
1498 le32_to_cpu(mdm->allocUnitSize); in udf_load_logicalvol()
1499 mdata->s_align_unit_size = in udf_load_logicalvol()
1500 le16_to_cpu(mdm->alignUnitSize); in udf_load_logicalvol()
1501 if (mdm->flags & 0x01) in udf_load_logicalvol()
1502 mdata->s_flags |= MF_DUPLICATE_MD; in udf_load_logicalvol()
1506 mdm->partIdent.identSuffix)); in udf_load_logicalvol()
1508 le16_to_cpu(mdm->partitionNum)); in udf_load_logicalvol()
1510 le32_to_cpu(mdm->allocUnitSize)); in udf_load_logicalvol()
1512 le32_to_cpu(mdm->metadataFileLoc)); in udf_load_logicalvol()
1514 le32_to_cpu(mdm->metadataMirrorFileLoc)); in udf_load_logicalvol()
1516 le32_to_cpu(mdm->metadataBitmapFileLoc)); in udf_load_logicalvol()
1518 mdata->s_flags, mdm->flags); in udf_load_logicalvol()
1521 upm2->partIdent.ident); in udf_load_logicalvol()
1524 map->s_volumeseqnum = le16_to_cpu(upm2->volSeqNum); in udf_load_logicalvol()
1525 map->s_partition_num = le16_to_cpu(upm2->partitionNum); in udf_load_logicalvol()
1527 udf_debug("Partition (%d:%u) type %u on volume %u\n", in udf_load_logicalvol()
1528 i, map->s_partition_num, type, map->s_volumeseqnum); in udf_load_logicalvol()
1532 struct long_ad *la = (struct long_ad *)&(lvd->logicalVolContentsUse[0]); in udf_load_logicalvol()
1534 *fileset = lelb_to_cpu(la->extLocation); in udf_load_logicalvol()
1536 fileset->logicalBlockNum, in udf_load_logicalvol()
1537 fileset->partitionReferenceNum); in udf_load_logicalvol()
1539 if (lvd->integritySeqExt.extLength) in udf_load_logicalvol()
1540 udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt)); in udf_load_logicalvol()
1543 if (!sbi->s_lvid_bh) { in udf_load_logicalvol()
1550 ret = -EACCES; in udf_load_logicalvol()
1559 * Find the prevailing Logical Volume Integrity Descriptor.
1583 loc.extLength -= sb->s_blocksize; in udf_load_logicalvolint()
1590 brelse(sbi->s_lvid_bh); in udf_load_logicalvolint()
1591 sbi->s_lvid_bh = final_bh; in udf_load_logicalvolint()
1593 lvid = (struct logicalVolIntegrityDesc *)final_bh->b_data; in udf_load_logicalvolint()
1594 if (lvid->nextIntegrityExt.extLength == 0) in udf_load_logicalvolint()
1597 loc = leea_to_cpu(lvid->nextIntegrityExt); in udf_load_logicalvolint()
1603 brelse(sbi->s_lvid_bh); in udf_load_logicalvolint()
1604 sbi->s_lvid_bh = NULL; in udf_load_logicalvolint()
1607 parts = le32_to_cpu(lvid->numOfPartitions); in udf_load_logicalvolint()
1608 impuselen = le32_to_cpu(lvid->lengthOfImpUse); in udf_load_logicalvolint()
1609 if (parts >= sb->s_blocksize || impuselen >= sb->s_blocksize || in udf_load_logicalvolint()
1611 2 * parts * sizeof(u32) > sb->s_blocksize) { in udf_load_logicalvolint()
1640 struct partitionDesc *desc = (struct partitionDesc *)bh->b_data; in handle_partition_descriptor()
1644 partnum = le16_to_cpu(desc->partitionNumber); in handle_partition_descriptor()
1645 for (i = 0; i < data->num_part_descs; i++) in handle_partition_descriptor()
1646 if (partnum == data->part_descs_loc[i].partnum) in handle_partition_descriptor()
1647 return &(data->part_descs_loc[i].rec); in handle_partition_descriptor()
1648 if (data->num_part_descs >= data->size_part_descs) { in handle_partition_descriptor()
1654 return ERR_PTR(-ENOMEM); in handle_partition_descriptor()
1655 memcpy(new_loc, data->part_descs_loc, in handle_partition_descriptor()
1656 data->size_part_descs * sizeof(*new_loc)); in handle_partition_descriptor()
1657 kfree(data->part_descs_loc); in handle_partition_descriptor()
1658 data->part_descs_loc = new_loc; in handle_partition_descriptor()
1659 data->size_part_descs = new_size; in handle_partition_descriptor()
1661 return &(data->part_descs_loc[data->num_part_descs++].rec); in handle_partition_descriptor()
1670 return &(data->vds[VDS_POS_PRIMARY_VOL_DESC]); in get_volume_descriptor_record()
1672 return &(data->vds[VDS_POS_IMP_USE_VOL_DESC]); in get_volume_descriptor_record()
1674 return &(data->vds[VDS_POS_LOGICAL_VOL_DESC]); in get_volume_descriptor_record()
1676 return &(data->vds[VDS_POS_UNALLOC_SPACE_DESC]); in get_volume_descriptor_record()
1684 * Process a main/reserve volume descriptor sequence.
1689 * Returns <0 on error, 0 on success. -EAGAIN is special - try next descriptor
1716 return -ENOMEM; in udf_process_sequence()
1727 /* Process each descriptor (ISO 13346 3/8.3-8.4) */ in udf_process_sequence()
1728 gd = (struct generic_desc *)bh->b_data; in udf_process_sequence()
1729 vdsn = le32_to_cpu(gd->volDescSeqNum); in udf_process_sequence()
1733 udf_err(sb, "too many Volume Descriptor " in udf_process_sequence()
1737 ret = -EIO; in udf_process_sequence()
1738 goto out; in udf_process_sequence()
1741 vdp = (struct volDescPtr *)bh->b_data; in udf_process_sequence()
1742 block = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation); in udf_process_sequence()
1744 vdp->nextVolDescSeqExt.extLength) >> in udf_process_sequence()
1745 sb->s_blocksize_bits; in udf_process_sequence()
1746 lastblock += block - 1; in udf_process_sequence()
1748 block--; in udf_process_sequence()
1759 goto out; in udf_process_sequence()
1764 if (vdsn >= curr->volDescSeqNum) { in udf_process_sequence()
1765 curr->volDescSeqNum = vdsn; in udf_process_sequence()
1766 curr->block = block; in udf_process_sequence()
1780 udf_err(sb, "Primary Volume Descriptor not found!\n"); in udf_process_sequence()
1781 ret = -EAGAIN; in udf_process_sequence()
1782 goto out; in udf_process_sequence()
1786 goto out; in udf_process_sequence()
1793 goto out; in udf_process_sequence()
1800 goto out; in udf_process_sequence()
1803 out: in udf_process_sequence()
1809 * Load Volume Descriptor Sequence described by anchor in bh
1820 anchor = (struct anchorVolDescPtr *)bh->b_data; in udf_load_sequence()
1823 main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation); in udf_load_sequence()
1824 main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength); in udf_load_sequence()
1825 main_e = main_e >> sb->s_blocksize_bits; in udf_load_sequence()
1826 main_e += main_s - 1; in udf_load_sequence()
1829 reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation); in udf_load_sequence()
1830 reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength); in udf_load_sequence()
1831 reserve_e = reserve_e >> sb->s_blocksize_bits; in udf_load_sequence()
1832 reserve_e += reserve_s - 1; in udf_load_sequence()
1837 if (ret != -EAGAIN) in udf_load_sequence()
1843 /* No sequence was OK, return -EIO */ in udf_load_sequence()
1844 if (ret == -EAGAIN) in udf_load_sequence()
1845 ret = -EIO; in udf_load_sequence()
1852 * load Volume Descriptor Sequence if so.
1854 * Returns <0 on error, 0 on success, -EAGAIN is special - try next anchor
1866 return -EAGAIN; in udf_check_anchor_block()
1869 return -EAGAIN; in udf_check_anchor_block()
1877 * Search for an anchor volume descriptor pointer.
1879 * Returns < 0 on error, 0 on success. -EAGAIN is special - try next set
1892 if (sbi->s_anchor) { in udf_scan_anchors()
1893 ret = udf_check_anchor_block(sb, sbi->s_anchor, fileset); in udf_scan_anchors()
1894 if (ret != -EAGAIN) in udf_scan_anchors()
1900 * lastblock-256 in udf_scan_anchors()
1904 ret = udf_check_anchor_block(sb, sbi->s_session + 256, fileset); in udf_scan_anchors()
1905 if (ret != -EAGAIN) in udf_scan_anchors()
1913 last[last_count++] = *lastblock - 1; in udf_scan_anchors()
1916 last[last_count++] = *lastblock - 2; in udf_scan_anchors()
1918 last[last_count++] = *lastblock - 150; in udf_scan_anchors()
1920 last[last_count++] = *lastblock - 152; in udf_scan_anchors()
1926 if (ret != -EAGAIN) { in udf_scan_anchors()
1933 ret = udf_check_anchor_block(sb, last[i] - 256, fileset); in udf_scan_anchors()
1934 if (ret != -EAGAIN) { in udf_scan_anchors()
1942 return udf_check_anchor_block(sb, sbi->s_session + 512, fileset); in udf_scan_anchors()
1946 * Check Volume Structure Descriptor, find Anchor block and load Volume
1949 * Returns < 0 on error, 0 on success. -EAGAIN is special meaning anchor
1959 if (!sb_set_blocksize(sb, uopt->blocksize)) { in udf_load_vrs()
1962 return -EINVAL; in udf_load_vrs()
1964 sbi->s_last_block = uopt->lastblock; in udf_load_vrs()
1965 if (!uopt->novrs) { in udf_load_vrs()
1971 return -EINVAL; in udf_load_vrs()
1973 if (nsr == -1) in udf_load_vrs()
1977 if (!sbi->s_last_block) in udf_load_vrs()
1978 sbi->s_last_block = udf_get_last_block(sb); in udf_load_vrs()
1983 /* Look for anchor block and load Volume Descriptor Sequence */ in udf_load_vrs()
1984 sbi->s_anchor = uopt->anchor; in udf_load_vrs()
1985 ret = udf_scan_anchors(sb, &sbi->s_last_block, fileset); in udf_load_vrs()
1987 if (!silent && ret == -EAGAIN) in udf_load_vrs()
1999 udf_time_to_disk_stamp(&lvid->recordingDateAndTime, ts); in udf_finalize_lvid()
2000 lvid->descTag.descCRC = cpu_to_le16( in udf_finalize_lvid()
2002 le16_to_cpu(lvid->descTag.descCRCLength))); in udf_finalize_lvid()
2003 lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag); in udf_finalize_lvid()
2009 struct buffer_head *bh = sbi->s_lvid_bh; in udf_open_lvid()
2015 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_open_lvid()
2020 mutex_lock(&sbi->s_alloc_mutex); in udf_open_lvid()
2021 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; in udf_open_lvid()
2022 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; in udf_open_lvid()
2023 if (le32_to_cpu(lvid->integrityType) == LVID_INTEGRITY_TYPE_CLOSE) in udf_open_lvid()
2024 lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN); in udf_open_lvid()
2030 sbi->s_lvid_dirty = 0; in udf_open_lvid()
2031 mutex_unlock(&sbi->s_alloc_mutex); in udf_open_lvid()
2039 struct buffer_head *bh = sbi->s_lvid_bh; in udf_close_lvid()
2045 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_close_lvid()
2050 mutex_lock(&sbi->s_alloc_mutex); in udf_close_lvid()
2051 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; in udf_close_lvid()
2052 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; in udf_close_lvid()
2053 if (UDF_MAX_WRITE_VERSION > le16_to_cpu(lvidiu->maxUDFWriteRev)) in udf_close_lvid()
2054 lvidiu->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION); in udf_close_lvid()
2055 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFReadRev)) in udf_close_lvid()
2056 lvidiu->minUDFReadRev = cpu_to_le16(sbi->s_udfrev); in udf_close_lvid()
2057 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFWriteRev)) in udf_close_lvid()
2058 lvidiu->minUDFWriteRev = cpu_to_le16(sbi->s_udfrev); in udf_close_lvid()
2060 lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); in udf_close_lvid()
2070 sbi->s_lvid_dirty = 0; in udf_close_lvid()
2071 mutex_unlock(&sbi->s_alloc_mutex); in udf_close_lvid()
2085 bh = sbi->s_lvid_bh; in lvid_get_unique_id()
2089 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in lvid_get_unique_id()
2090 lvhd = (struct logicalVolHeaderDesc *)lvid->logicalVolContentsUse; in lvid_get_unique_id()
2092 mutex_lock(&sbi->s_alloc_mutex); in lvid_get_unique_id()
2093 ret = uniqueID = le64_to_cpu(lvhd->uniqueID); in lvid_get_unique_id()
2096 lvhd->uniqueID = cpu_to_le64(uniqueID); in lvid_get_unique_id()
2098 mutex_unlock(&sbi->s_alloc_mutex); in lvid_get_unique_id()
2105 int ret = -EINVAL; in udf_fill_super()
2113 /* By default we'll use overflow[ug]id when UDF inode [ug]id == -1 */ in udf_fill_super()
2123 return -ENOMEM; in udf_fill_super()
2125 sb->s_fs_info = sbi; in udf_fill_super()
2127 mutex_init(&sbi->s_alloc_mutex); in udf_fill_super()
2135 sbi->s_flags = uopt.flags; in udf_fill_super()
2136 sbi->s_uid = uopt.uid; in udf_fill_super()
2137 sbi->s_gid = uopt.gid; in udf_fill_super()
2138 sbi->s_umask = uopt.umask; in udf_fill_super()
2139 sbi->s_fmode = uopt.fmode; in udf_fill_super()
2140 sbi->s_dmode = uopt.dmode; in udf_fill_super()
2141 sbi->s_nls_map = uopt.nls_map; in udf_fill_super()
2142 rwlock_init(&sbi->s_cred_lock); in udf_fill_super()
2145 sbi->s_session = udf_get_last_session(sb); in udf_fill_super()
2147 sbi->s_session = uopt.session; in udf_fill_super()
2149 udf_debug("Multi-session=%d\n", sbi->s_session); in udf_fill_super()
2152 sb->s_op = &udf_sb_ops; in udf_fill_super()
2153 sb->s_export_op = &udf_export_ops; in udf_fill_super()
2155 sb->s_magic = UDF_SUPER_MAGIC; in udf_fill_super()
2156 sb->s_time_gran = 1000; in udf_fill_super()
2161 uopt.blocksize = bdev_logical_block_size(sb->s_bdev); in udf_fill_super()
2165 if (!silent && ret != -EACCES) { in udf_fill_super()
2169 brelse(sbi->s_lvid_bh); in udf_fill_super()
2170 sbi->s_lvid_bh = NULL; in udf_fill_super()
2172 * EACCES is special - we want to propagate to in udf_fill_super()
2175 if (ret == -EACCES) in udf_fill_super()
2184 if (ret == -EAGAIN) { in udf_fill_super()
2186 ret = -EINVAL; in udf_fill_super()
2191 udf_debug("Lastblock=%u\n", sbi->s_last_block); in udf_fill_super()
2193 if (sbi->s_lvid_bh) { in udf_fill_super()
2200 ret = -EINVAL; in udf_fill_super()
2203 minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev); in udf_fill_super()
2204 minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev); in udf_fill_super()
2209 ret = -EINVAL; in udf_fill_super()
2213 ret = -EACCES; in udf_fill_super()
2219 sbi->s_udfrev = minUDFWriteRev; in udf_fill_super()
2227 if (!sbi->s_partitions) { in udf_fill_super()
2229 ret = -EINVAL; in udf_fill_super()
2233 if (sbi->s_partmaps[sbi->s_partition].s_partition_flags & in udf_fill_super()
2236 ret = -EACCES; in udf_fill_super()
2250 udf_time_to_disk_stamp(&ts, sbi->s_record_time); in udf_fill_super()
2251 udf_info("Mounting volume '%s', timestamp %04u/%02u/%02u %02u:%02u (%x)\n", in udf_fill_super()
2252 sbi->s_volume_ident, in udf_fill_super()
2273 sb->s_root = d_make_root(inode); in udf_fill_super()
2274 if (!sb->s_root) { in udf_fill_super()
2276 ret = -ENOMEM; in udf_fill_super()
2279 sb->s_maxbytes = UDF_MAX_FILESIZE; in udf_fill_super()
2280 sb->s_max_links = UDF_MAX_LINKS; in udf_fill_super()
2284 iput(sbi->s_vat_inode); in udf_fill_super()
2289 brelse(sbi->s_lvid_bh); in udf_fill_super()
2292 sb->s_fs_info = NULL; in udf_fill_super()
2308 pr_err("error (device %s): %s: %pV", sb->s_id, function, &vaf); in _udf_err()
2324 pr_warn("warning (device %s): %s: %pV", sb->s_id, function, &vaf); in _udf_warn()
2335 iput(sbi->s_vat_inode); in udf_put_super()
2336 unload_nls(sbi->s_nls_map); in udf_put_super()
2339 brelse(sbi->s_lvid_bh); in udf_put_super()
2341 mutex_destroy(&sbi->s_alloc_mutex); in udf_put_super()
2342 kfree(sb->s_fs_info); in udf_put_super()
2343 sb->s_fs_info = NULL; in udf_put_super()
2350 mutex_lock(&sbi->s_alloc_mutex); in udf_sync_fs()
2351 if (sbi->s_lvid_dirty) { in udf_sync_fs()
2352 struct buffer_head *bh = sbi->s_lvid_bh; in udf_sync_fs()
2355 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_sync_fs()
2363 sbi->s_lvid_dirty = 0; in udf_sync_fs()
2365 mutex_unlock(&sbi->s_alloc_mutex); in udf_sync_fs()
2372 struct super_block *sb = dentry->d_sb; in udf_statfs()
2375 u64 id = huge_encode_dev(sb->s_bdev->bd_dev); in udf_statfs()
2378 buf->f_type = UDF_SUPER_MAGIC; in udf_statfs()
2379 buf->f_bsize = sb->s_blocksize; in udf_statfs()
2380 buf->f_blocks = sbi->s_partmaps[sbi->s_partition].s_partition_len; in udf_statfs()
2381 buf->f_bfree = udf_count_free(sb); in udf_statfs()
2382 buf->f_bavail = buf->f_bfree; in udf_statfs()
2387 buf->f_files = (lvidiu != NULL ? (le32_to_cpu(lvidiu->numFiles) + in udf_statfs()
2388 le32_to_cpu(lvidiu->numDirs)) : 0) in udf_statfs()
2389 + buf->f_bfree; in udf_statfs()
2390 buf->f_ffree = buf->f_bfree; in udf_statfs()
2391 buf->f_namelen = UDF_NAME_LEN; in udf_statfs()
2392 buf->f_fsid = u64_to_fsid(id); in udf_statfs()
2410 loc.logicalBlockNum = bitmap->s_extPosition; in udf_count_free_bitmap()
2411 loc.partitionReferenceNum = UDF_SB(sb)->s_partition; in udf_count_free_bitmap()
2416 goto out; in udf_count_free_bitmap()
2420 goto out; in udf_count_free_bitmap()
2423 bm = (struct spaceBitmapDesc *)bh->b_data; in udf_count_free_bitmap()
2424 bytes = le32_to_cpu(bm->numOfBytes); in udf_count_free_bitmap()
2426 ptr = (uint8_t *)bh->b_data; in udf_count_free_bitmap()
2429 u32 cur_bytes = min_t(u32, bytes, sb->s_blocksize - index); in udf_count_free_bitmap()
2432 bytes -= cur_bytes; in udf_count_free_bitmap()
2439 goto out; in udf_count_free_bitmap()
2442 ptr = (uint8_t *)bh->b_data; in udf_count_free_bitmap()
2446 out: in udf_count_free_bitmap()
2459 mutex_lock(&UDF_SB(sb)->s_alloc_mutex); in udf_count_free_table()
2460 epos.block = UDF_I(table)->i_location; in udf_count_free_table()
2465 accum += (elen >> table->i_sb->s_blocksize_bits); in udf_count_free_table()
2468 mutex_unlock(&UDF_SB(sb)->s_alloc_mutex); in udf_count_free_table()
2478 unsigned int part = sbi->s_partition; in udf_count_free()
2479 int ptype = sbi->s_partmaps[part].s_partition_type; in udf_count_free()
2482 part = sbi->s_partmaps[part].s_type_specific.s_metadata. in udf_count_free()
2486 * Filesystems with VAT are append-only and we cannot write to in udf_count_free()
2492 if (sbi->s_lvid_bh) { in udf_count_free()
2495 sbi->s_lvid_bh->b_data; in udf_count_free()
2496 if (le32_to_cpu(lvid->numOfPartitions) > part) { in udf_count_free()
2498 lvid->freeSpaceTable[part]); in udf_count_free()
2507 map = &sbi->s_partmaps[part]; in udf_count_free()
2508 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { in udf_count_free()
2510 map->s_uspace.s_bitmap); in udf_count_free()
2515 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) { in udf_count_free()
2517 map->s_uspace.s_table); in udf_count_free()