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 ei->i_hidden = 0; in udf_alloc_inode()
151 init_rwsem(&ei->i_data_sem); in udf_alloc_inode()
152 ei->cached_extent.lstart = -1; in udf_alloc_inode()
153 spin_lock_init(&ei->i_extent_cache_lock); in udf_alloc_inode()
154 inode_set_iversion(&ei->vfs_inode, 1); in udf_alloc_inode()
156 return &ei->vfs_inode; in udf_alloc_inode()
168 ei->i_data = NULL; in init_once()
169 inode_init_once(&ei->vfs_inode); in init_once()
181 return -ENOMEM; in init_inodecache()
232 goto out; in init_udf_fs()
236 out: in init_udf_fs()
253 sbi->s_partmaps = kcalloc(count, sizeof(*sbi->s_partmaps), GFP_KERNEL); in udf_sb_alloc_partition_maps()
254 if (!sbi->s_partmaps) { in udf_sb_alloc_partition_maps()
255 sbi->s_partitions = 0; in udf_sb_alloc_partition_maps()
256 return -ENOMEM; in udf_sb_alloc_partition_maps()
259 sbi->s_partitions = count; in udf_sb_alloc_partition_maps()
266 int nr_groups = bitmap->s_nr_groups; in udf_sb_free_bitmap()
269 brelse(bitmap->s_block_bitmap[i]); in udf_sb_free_bitmap()
279 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) in udf_free_partition()
280 iput(map->s_uspace.s_table); in udf_free_partition()
281 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) in udf_free_partition()
282 udf_sb_free_bitmap(map->s_uspace.s_bitmap); in udf_free_partition()
283 if (map->s_partition_type == UDF_SPARABLE_MAP15) in udf_free_partition()
285 brelse(map->s_type_specific.s_sparing.s_spar_map[i]); in udf_free_partition()
286 else if (map->s_partition_type == UDF_METADATA_MAP25) { in udf_free_partition()
287 mdata = &map->s_type_specific.s_metadata; in udf_free_partition()
288 iput(mdata->s_metadata_fe); in udf_free_partition()
289 mdata->s_metadata_fe = NULL; in udf_free_partition()
291 iput(mdata->s_mirror_fe); in udf_free_partition()
292 mdata->s_mirror_fe = NULL; in udf_free_partition()
294 iput(mdata->s_bitmap_fe); in udf_free_partition()
295 mdata->s_bitmap_fe = NULL; in udf_free_partition()
304 if (!sbi->s_partmaps) in udf_sb_free_partitions()
306 for (i = 0; i < sbi->s_partitions; i++) in udf_sb_free_partitions()
307 udf_free_partition(&sbi->s_partmaps[i]); in udf_sb_free_partitions()
308 kfree(sbi->s_partmaps); in udf_sb_free_partitions()
309 sbi->s_partmaps = NULL; in udf_sb_free_partitions()
314 struct super_block *sb = root->d_sb; in udf_show_options()
320 seq_printf(seq, ",bs=%lu", sb->s_blocksize); in udf_show_options()
334 seq_printf(seq, ",uid=%u", from_kuid(&init_user_ns, sbi->s_uid)); in udf_show_options()
336 seq_printf(seq, ",gid=%u", from_kgid(&init_user_ns, sbi->s_gid)); in udf_show_options()
337 if (sbi->s_umask != 0) in udf_show_options()
338 seq_printf(seq, ",umask=%ho", sbi->s_umask); in udf_show_options()
339 if (sbi->s_fmode != UDF_INVALID_MODE) in udf_show_options()
340 seq_printf(seq, ",mode=%ho", sbi->s_fmode); in udf_show_options()
341 if (sbi->s_dmode != UDF_INVALID_MODE) in udf_show_options()
342 seq_printf(seq, ",dmode=%ho", sbi->s_dmode); in udf_show_options()
344 seq_printf(seq, ",session=%d", sbi->s_session); in udf_show_options()
346 seq_printf(seq, ",lastblock=%u", sbi->s_last_block); in udf_show_options()
347 if (sbi->s_anchor != 0) in udf_show_options()
348 seq_printf(seq, ",anchor=%u", sbi->s_anchor); in udf_show_options()
349 if (sbi->s_nls_map) in udf_show_options()
350 seq_printf(seq, ",iocharset=%s", sbi->s_nls_map->charset); in udf_show_options()
383 * novrs Skip volume sequence recognition
389 * volume= Override the VolumeDesc location. (unused)
397 * WARNING: overriding the rootdir to a non-directory may
400 * PRE-CONDITIONS
404 * POST-CONDITIONS
409 * July 1, 1997 - Andrew E. Mileski
443 {Opt_volume, "volume=%u"},
460 uopt->novrs = 0; in udf_parse_options()
461 uopt->session = 0xFFFFFFFF; in udf_parse_options()
462 uopt->lastblock = 0; in udf_parse_options()
463 uopt->anchor = 0; in udf_parse_options()
478 uopt->novrs = 1; in udf_parse_options()
486 uopt->blocksize = n; in udf_parse_options()
487 uopt->flags |= (1 << UDF_FLAG_BLOCKSIZE_SET); in udf_parse_options()
490 uopt->flags |= (1 << UDF_FLAG_UNHIDE); in udf_parse_options()
493 uopt->flags |= (1 << UDF_FLAG_UNDELETE); in udf_parse_options()
496 uopt->flags &= ~(1 << UDF_FLAG_USE_AD_IN_ICB); in udf_parse_options()
499 uopt->flags |= (1 << UDF_FLAG_USE_AD_IN_ICB); in udf_parse_options()
502 uopt->flags |= (1 << UDF_FLAG_USE_SHORT_AD); in udf_parse_options()
505 uopt->flags &= ~(1 << UDF_FLAG_USE_SHORT_AD); in udf_parse_options()
510 uopt->gid = make_kgid(current_user_ns(), option); in udf_parse_options()
511 if (!gid_valid(uopt->gid)) in udf_parse_options()
513 uopt->flags |= (1 << UDF_FLAG_GID_SET); in udf_parse_options()
518 uopt->uid = make_kuid(current_user_ns(), option); in udf_parse_options()
519 if (!uid_valid(uopt->uid)) in udf_parse_options()
521 uopt->flags |= (1 << UDF_FLAG_UID_SET); in udf_parse_options()
526 uopt->umask = option; in udf_parse_options()
529 uopt->flags &= ~(1 << UDF_FLAG_STRICT); in udf_parse_options()
534 uopt->session = option; in udf_parse_options()
536 uopt->flags |= (1 << UDF_FLAG_SESSION_SET); in udf_parse_options()
541 uopt->lastblock = option; in udf_parse_options()
543 uopt->flags |= (1 << UDF_FLAG_LASTBLOCK_SET); in udf_parse_options()
548 uopt->anchor = option; in udf_parse_options()
558 unload_nls(uopt->nls_map); in udf_parse_options()
559 uopt->nls_map = NULL; in udf_parse_options()
564 unload_nls(uopt->nls_map); in udf_parse_options()
565 uopt->nls_map = NULL; in udf_parse_options()
567 /* When nls_map is not loaded then UTF-8 is used */ in udf_parse_options()
569 uopt->nls_map = load_nls(args[0].from); in udf_parse_options()
570 if (!uopt->nls_map) { in udf_parse_options()
578 uopt->flags |= (1 << UDF_FLAG_UID_FORGET); in udf_parse_options()
585 uopt->flags |= (1 << UDF_FLAG_GID_FORGET); in udf_parse_options()
590 uopt->fmode = option & 0777; in udf_parse_options()
595 uopt->dmode = option & 0777; in udf_parse_options()
612 return -EACCES; in udf_remount_fs()
616 uopt.flags = sbi->s_flags; in udf_remount_fs()
617 uopt.uid = sbi->s_uid; in udf_remount_fs()
618 uopt.gid = sbi->s_gid; in udf_remount_fs()
619 uopt.umask = sbi->s_umask; in udf_remount_fs()
620 uopt.fmode = sbi->s_fmode; in udf_remount_fs()
621 uopt.dmode = sbi->s_dmode; in udf_remount_fs()
625 return -EINVAL; in udf_remount_fs()
627 write_lock(&sbi->s_cred_lock); in udf_remount_fs()
628 sbi->s_flags = uopt.flags; in udf_remount_fs()
629 sbi->s_uid = uopt.uid; in udf_remount_fs()
630 sbi->s_gid = uopt.gid; in udf_remount_fs()
631 sbi->s_umask = uopt.umask; in udf_remount_fs()
632 sbi->s_fmode = uopt.fmode; in udf_remount_fs()
633 sbi->s_dmode = uopt.dmode; in udf_remount_fs()
634 write_unlock(&sbi->s_cred_lock); in udf_remount_fs()
649 * Check VSD descriptor. Returns -1 in case we are at the end of volume
650 * recognition area, 0 if the descriptor is valid but non-interesting, 1 if
657 if (!memcmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) { in identify_vsd()
658 switch (vsd->structType) { in identify_vsd()
663 udf_debug("ISO9660 Primary Volume Descriptor found\n"); in identify_vsd()
666 udf_debug("ISO9660 Supplementary Volume Descriptor found\n"); in identify_vsd()
669 udf_debug("ISO9660 Volume Partition Descriptor found\n"); in identify_vsd()
672 udf_debug("ISO9660 Volume Descriptor Set Terminator found\n"); in identify_vsd()
675 udf_debug("ISO9660 VRS (%u) found\n", vsd->structType); in identify_vsd()
678 } else if (!memcmp(vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) in identify_vsd()
680 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) in identify_vsd()
682 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) in identify_vsd()
684 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_BOOT2, VSD_STD_ID_LEN)) in identify_vsd()
686 else if (!memcmp(vsd->stdIdent, VSD_STD_ID_CDW02, VSD_STD_ID_LEN)) in identify_vsd()
689 /* TEA01 or invalid id : end of volume recognition area */ in identify_vsd()
690 ret = -1; in identify_vsd()
697 * Check Volume Structure Descriptors (ECMA 167 2/9.1)
698 * We also check any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1)
700 * -1 if first sector read error, 0 otherwise
713 if (sb->s_blocksize < sizeof(struct volStructDesc)) in udf_check_vsd()
716 sectorsize = sb->s_blocksize; in udf_check_vsd()
718 session_offset = (loff_t)sbi->s_session << sb->s_blocksize_bits; in udf_check_vsd()
722 (unsigned int)(sector >> sb->s_blocksize_bits), in udf_check_vsd()
723 sb->s_blocksize); in udf_check_vsd()
724 /* Process the sequence (if applicable). The hard limit on the sector in udf_check_vsd()
727 * bound to the size of the volume recognition area in the standard. in udf_check_vsd()
728 * The limit will prevent the code to read all the sectors of a in udf_check_vsd()
732 * (all 0xFF) before the check for the limit and all valid IDs were in udf_check_vsd()
736 bh = udf_tread(sb, sector >> sb->s_blocksize_bits); in udf_check_vsd()
740 vsd = (struct volStructDesc *)(bh->b_data + in udf_check_vsd()
741 (sector & (sb->s_blocksize - 1))); in udf_check_vsd()
753 if (sb->s_blocksize == 4096) { in udf_check_vsd()
764 else if (!bh && sector - session_offset == VSD_FIRST_SECTOR_OFFSET) in udf_check_vsd()
765 return -1; in udf_check_vsd()
775 if (memcmp(ident->ident, UDF_ID_COMPLIANT, strlen(UDF_ID_COMPLIANT))) { in udf_verify_domain_identifier()
779 if (ident->flags & ENTITYID_FLAGS_DIRTY) { in udf_verify_domain_identifier()
784 suffix = (struct domainIdentSuffix *)ident->identSuffix; in udf_verify_domain_identifier()
785 if ((suffix->domainFlags & DOMAIN_FLAGS_HARD_WRITE_PROTECT) || in udf_verify_domain_identifier()
786 (suffix->domainFlags & DOMAIN_FLAGS_SOFT_WRITE_PROTECT)) { in udf_verify_domain_identifier()
797 return -EACCES; in udf_verify_domain_identifier()
807 ret = udf_verify_domain_identifier(sb, &fset->domainIdent, "file set"); in udf_load_fileset()
811 *root = lelb_to_cpu(fset->rootDirectoryICB.extLocation); in udf_load_fileset()
812 UDF_SB(sb)->s_serial_number = le16_to_cpu(fset->descTag.tagSerialNum); in udf_load_fileset()
815 root->logicalBlockNum, root->partitionReferenceNum); in udf_load_fileset()
827 if (fileset->logicalBlockNum == 0xFFFFFFFF && in udf_find_fileset()
828 fileset->partitionReferenceNum == 0xFFFF) in udf_find_fileset()
829 return -EINVAL; in udf_find_fileset()
833 return -EIO; in udf_find_fileset()
836 return -EINVAL; in udf_find_fileset()
840 fileset->logicalBlockNum, fileset->partitionReferenceNum); in udf_find_fileset()
842 UDF_SB(sb)->s_partition = fileset->partitionReferenceNum; in udf_find_fileset()
843 ret = udf_load_fileset(sb, (struct fileSetDesc *)bh->b_data, root); in udf_find_fileset()
849 * Load primary Volume Descriptor Sequence
851 * Return <0 on error, 0 on success. -EAGAIN is special meaning next sequence
865 return -ENOMEM; in udf_load_pvoldesc()
869 ret = -EAGAIN; in udf_load_pvoldesc()
874 ret = -EIO; in udf_load_pvoldesc()
878 pvoldesc = (struct primaryVolDesc *)bh->b_data; in udf_load_pvoldesc()
880 udf_disk_stamp_to_time(&UDF_SB(sb)->s_record_time, in udf_load_pvoldesc()
881 pvoldesc->recordingDateAndTime); in udf_load_pvoldesc()
882 ts = &pvoldesc->recordingDateAndTime; in udf_load_pvoldesc()
884 le16_to_cpu(ts->year), ts->month, ts->day, ts->hour, in udf_load_pvoldesc()
885 ts->minute, le16_to_cpu(ts->typeAndTimezone)); in udf_load_pvoldesc()
887 ret = udf_dstrCS0toChar(sb, outstr, 31, pvoldesc->volIdent, 32); in udf_load_pvoldesc()
889 strcpy(UDF_SB(sb)->s_volume_ident, "InvalidName"); in udf_load_pvoldesc()
890 pr_warn("incorrect volume identification, setting to " in udf_load_pvoldesc()
893 strncpy(UDF_SB(sb)->s_volume_ident, outstr, ret); in udf_load_pvoldesc()
895 udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident); in udf_load_pvoldesc()
897 ret = udf_dstrCS0toChar(sb, outstr, 127, pvoldesc->volSetIdent, 128); in udf_load_pvoldesc()
928 if (UDF_I(metadata_fe)->i_alloc_type != ICBTAG_FLAG_AD_SHORT) { in udf_find_metadata_inode_efe()
931 return ERR_PTR(-EIO); in udf_find_metadata_inode_efe()
946 map = &sbi->s_partmaps[partition]; in udf_load_metadata_files()
947 mdata = &map->s_type_specific.s_metadata; in udf_load_metadata_files()
948 mdata->s_phys_partition_ref = type1_index; in udf_load_metadata_files()
952 mdata->s_meta_file_loc, mdata->s_phys_partition_ref); in udf_load_metadata_files()
954 fe = udf_find_metadata_inode_efe(sb, mdata->s_meta_file_loc, in udf_load_metadata_files()
955 mdata->s_phys_partition_ref); in udf_load_metadata_files()
959 mdata->s_mirror_file_loc, mdata->s_phys_partition_ref); in udf_load_metadata_files()
961 fe = udf_find_metadata_inode_efe(sb, mdata->s_mirror_file_loc, in udf_load_metadata_files()
962 mdata->s_phys_partition_ref); in udf_load_metadata_files()
968 mdata->s_mirror_fe = fe; in udf_load_metadata_files()
970 mdata->s_metadata_fe = fe; in udf_load_metadata_files()
976 * Load only if bitmap file location differs from 0xFFFFFFFF (DCN-5102) in udf_load_metadata_files()
978 if (mdata->s_bitmap_file_loc != 0xFFFFFFFF) { in udf_load_metadata_files()
979 addr.logicalBlockNum = mdata->s_bitmap_file_loc; in udf_load_metadata_files()
980 addr.partitionReferenceNum = mdata->s_phys_partition_ref; in udf_load_metadata_files()
988 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()
990 udf_err(sb, "bitmap inode efe not found and attempted read-write mount\n"); in udf_load_metadata_files()
994 mdata->s_bitmap_fe = fe; in udf_load_metadata_files()
1003 struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; in udf_compute_nr_groups()
1004 return DIV_ROUND_UP(map->s_partition_len + in udf_compute_nr_groups()
1006 sb->s_blocksize * 8); in udf_compute_nr_groups()
1019 bitmap->s_nr_groups = nr_groups; in udf_sb_alloc_bitmap()
1030 switch (le32_to_cpu(p->accessType)) { in check_partition_desc()
1038 if (strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR02) && in check_partition_desc()
1039 strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR03)) in check_partition_desc()
1042 phd = (struct partitionHeaderDesc *)p->partitionContentsUse; in check_partition_desc()
1043 utable = phd->unallocSpaceTable.extLength; in check_partition_desc()
1044 umap = phd->unallocSpaceBitmap.extLength; in check_partition_desc()
1045 ftable = phd->freedSpaceTable.extLength; in check_partition_desc()
1046 fmap = phd->freedSpaceBitmap.extLength; in check_partition_desc()
1055 /* UDF 2.60: 2.3.3 - no mixing of tables & bitmaps, no VAT. */ in check_partition_desc()
1059 if (map->s_partition_type == UDF_VIRTUAL_MAP15 || in check_partition_desc()
1060 map->s_partition_type == UDF_VIRTUAL_MAP20 || in check_partition_desc()
1061 map->s_partition_type == UDF_METADATA_MAP25) in check_partition_desc()
1067 return -EACCES; in check_partition_desc()
1080 map = &sbi->s_partmaps[p_index]; in udf_fill_partdesc_info()
1082 map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */ in udf_fill_partdesc_info()
1083 map->s_partition_root = le32_to_cpu(p->partitionStartingLocation); in udf_fill_partdesc_info()
1085 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_READ_ONLY)) in udf_fill_partdesc_info()
1086 map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY; in udf_fill_partdesc_info()
1087 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_WRITE_ONCE)) in udf_fill_partdesc_info()
1088 map->s_partition_flags |= UDF_PART_FLAG_WRITE_ONCE; in udf_fill_partdesc_info()
1089 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_REWRITABLE)) in udf_fill_partdesc_info()
1090 map->s_partition_flags |= UDF_PART_FLAG_REWRITABLE; in udf_fill_partdesc_info()
1091 if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_OVERWRITABLE)) in udf_fill_partdesc_info()
1092 map->s_partition_flags |= UDF_PART_FLAG_OVERWRITABLE; in udf_fill_partdesc_info()
1095 p_index, map->s_partition_type, in udf_fill_partdesc_info()
1096 map->s_partition_root, map->s_partition_len); in udf_fill_partdesc_info()
1110 phd = (struct partitionHeaderDesc *)p->partitionContentsUse; in udf_fill_partdesc_info()
1111 if (phd->unallocSpaceTable.extLength) { in udf_fill_partdesc_info()
1114 phd->unallocSpaceTable.extPosition), in udf_fill_partdesc_info()
1125 map->s_uspace.s_table = inode; in udf_fill_partdesc_info()
1126 map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_TABLE; in udf_fill_partdesc_info()
1128 p_index, map->s_uspace.s_table->i_ino); in udf_fill_partdesc_info()
1131 if (phd->unallocSpaceBitmap.extLength) { in udf_fill_partdesc_info()
1134 return -ENOMEM; in udf_fill_partdesc_info()
1135 map->s_uspace.s_bitmap = bitmap; in udf_fill_partdesc_info()
1136 bitmap->s_extPosition = le32_to_cpu( in udf_fill_partdesc_info()
1137 phd->unallocSpaceBitmap.extPosition); in udf_fill_partdesc_info()
1138 map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP; in udf_fill_partdesc_info()
1140 p_index, bitmap->s_extPosition); in udf_fill_partdesc_info()
1150 struct udf_part_map *map = &sbi->s_partmaps[p_index]; in udf_find_vat_block()
1161 vat_block >= map->s_partition_root && in udf_find_vat_block()
1162 vat_block >= start_block - 3; vat_block--) { in udf_find_vat_block()
1163 ino.logicalBlockNum = vat_block - map->s_partition_root; in udf_find_vat_block()
1166 sbi->s_vat_inode = inode; in udf_find_vat_block()
1175 struct udf_part_map *map = &sbi->s_partmaps[p_index]; in udf_load_vat()
1180 sector_t blocks = i_size_read(sb->s_bdev->bd_inode) >> in udf_load_vat()
1181 sb->s_blocksize_bits; in udf_load_vat()
1183 udf_find_vat_block(sb, p_index, type1_index, sbi->s_last_block); in udf_load_vat()
1184 if (!sbi->s_vat_inode && in udf_load_vat()
1185 sbi->s_last_block != blocks - 1) { in udf_load_vat()
1187 (unsigned long)sbi->s_last_block, in udf_load_vat()
1188 (unsigned long)blocks - 1); in udf_load_vat()
1189 udf_find_vat_block(sb, p_index, type1_index, blocks - 1); in udf_load_vat()
1191 if (!sbi->s_vat_inode) in udf_load_vat()
1192 return -EIO; in udf_load_vat()
1194 if (map->s_partition_type == UDF_VIRTUAL_MAP15) { in udf_load_vat()
1195 map->s_type_specific.s_virtual.s_start_offset = 0; in udf_load_vat()
1196 map->s_type_specific.s_virtual.s_num_entries = in udf_load_vat()
1197 (sbi->s_vat_inode->i_size - 36) >> 2; in udf_load_vat()
1198 } else if (map->s_partition_type == UDF_VIRTUAL_MAP20) { in udf_load_vat()
1199 vati = UDF_I(sbi->s_vat_inode); in udf_load_vat()
1200 if (vati->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) { in udf_load_vat()
1201 pos = udf_block_map(sbi->s_vat_inode, 0); in udf_load_vat()
1204 return -EIO; in udf_load_vat()
1205 vat20 = (struct virtualAllocationTable20 *)bh->b_data; in udf_load_vat()
1208 vati->i_data; in udf_load_vat()
1211 map->s_type_specific.s_virtual.s_start_offset = in udf_load_vat()
1212 le16_to_cpu(vat20->lengthHeader); in udf_load_vat()
1213 map->s_type_specific.s_virtual.s_num_entries = in udf_load_vat()
1214 (sbi->s_vat_inode->i_size - in udf_load_vat()
1215 map->s_type_specific.s_virtual. in udf_load_vat()
1225 * Returns <0 on error, 0 on success, -EAGAIN is special - try next descriptor
1241 return -EAGAIN; in udf_load_partdesc()
1247 p = (struct partitionDesc *)bh->b_data; in udf_load_partdesc()
1248 partitionNumber = le16_to_cpu(p->partitionNumber); in udf_load_partdesc()
1251 for (i = 0; i < sbi->s_partitions; i++) { in udf_load_partdesc()
1252 map = &sbi->s_partmaps[i]; in udf_load_partdesc()
1254 map->s_partition_num, partitionNumber); in udf_load_partdesc()
1255 if (map->s_partition_num == partitionNumber && in udf_load_partdesc()
1256 (map->s_partition_type == UDF_TYPE1_MAP15 || in udf_load_partdesc()
1257 map->s_partition_type == UDF_SPARABLE_MAP15)) in udf_load_partdesc()
1261 if (i >= sbi->s_partitions) { in udf_load_partdesc()
1278 for (i = 0; i < sbi->s_partitions; i++) { in udf_load_partdesc()
1279 map = &sbi->s_partmaps[i]; in udf_load_partdesc()
1281 if (map->s_partition_num == partitionNumber && in udf_load_partdesc()
1282 (map->s_partition_type == UDF_VIRTUAL_MAP15 || in udf_load_partdesc()
1283 map->s_partition_type == UDF_VIRTUAL_MAP20 || in udf_load_partdesc()
1284 map->s_partition_type == UDF_METADATA_MAP25)) in udf_load_partdesc()
1288 if (i >= sbi->s_partitions) { in udf_load_partdesc()
1297 if (map->s_partition_type == UDF_METADATA_MAP25) { in udf_load_partdesc()
1311 ret = -EACCES; in udf_load_partdesc()
1333 struct udf_sparing_data *sdata = &map->s_type_specific.s_sparing; in udf_load_sparable_map()
1337 map->s_partition_type = UDF_SPARABLE_MAP15; in udf_load_sparable_map()
1338 sdata->s_packet_len = le16_to_cpu(spm->packetLength); in udf_load_sparable_map()
1339 if (!is_power_of_2(sdata->s_packet_len)) { in udf_load_sparable_map()
1340 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1342 (unsigned)sdata->s_packet_len); in udf_load_sparable_map()
1343 return -EIO; in udf_load_sparable_map()
1345 if (spm->numSparingTables > 4) { in udf_load_sparable_map()
1346 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1348 (int)spm->numSparingTables); in udf_load_sparable_map()
1349 return -EIO; in udf_load_sparable_map()
1351 if (le32_to_cpu(spm->sizeSparingTable) > sb->s_blocksize) { in udf_load_sparable_map()
1352 udf_err(sb, "error loading logical volume descriptor: " in udf_load_sparable_map()
1354 le32_to_cpu(spm->sizeSparingTable)); in udf_load_sparable_map()
1355 return -EIO; in udf_load_sparable_map()
1358 for (i = 0; i < spm->numSparingTables; i++) { in udf_load_sparable_map()
1359 loc = le32_to_cpu(spm->locSparingTable[i]); in udf_load_sparable_map()
1364 st = (struct sparingTable *)bh->b_data; in udf_load_sparable_map()
1366 strncmp(st->sparingIdent.ident, UDF_ID_SPARING, in udf_load_sparable_map()
1368 sizeof(*st) + le16_to_cpu(st->reallocationTableLen) > in udf_load_sparable_map()
1369 sb->s_blocksize) { in udf_load_sparable_map()
1374 sdata->s_spar_map[i] = bh; in udf_load_sparable_map()
1376 map->s_partition_func = udf_get_pblock_spar15; in udf_load_sparable_map()
1395 return -EAGAIN; in udf_load_logicalvol()
1397 lvd = (struct logicalVolDesc *)bh->b_data; in udf_load_logicalvol()
1398 table_len = le32_to_cpu(lvd->mapTableLength); in udf_load_logicalvol()
1399 if (table_len > sb->s_blocksize - sizeof(*lvd)) { in udf_load_logicalvol()
1400 udf_err(sb, "error loading logical volume descriptor: " in udf_load_logicalvol()
1402 sb->s_blocksize - sizeof(*lvd)); in udf_load_logicalvol()
1403 ret = -EIO; in udf_load_logicalvol()
1407 ret = udf_verify_domain_identifier(sb, &lvd->domainIdent, in udf_load_logicalvol()
1408 "logical volume"); in udf_load_logicalvol()
1411 ret = udf_sb_alloc_partition_maps(sb, le32_to_cpu(lvd->numPartitionMaps)); in udf_load_logicalvol()
1416 i < sbi->s_partitions && offset < table_len; in udf_load_logicalvol()
1417 i++, offset += gpm->partitionMapLength) { in udf_load_logicalvol()
1418 struct udf_part_map *map = &sbi->s_partmaps[i]; in udf_load_logicalvol()
1420 &(lvd->partitionMaps[offset]); in udf_load_logicalvol()
1421 type = gpm->partitionMapType; in udf_load_logicalvol()
1425 map->s_partition_type = UDF_TYPE1_MAP15; in udf_load_logicalvol()
1426 map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum); in udf_load_logicalvol()
1427 map->s_partition_num = le16_to_cpu(gpm1->partitionNum); in udf_load_logicalvol()
1428 map->s_partition_func = NULL; in udf_load_logicalvol()
1432 if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, in udf_load_logicalvol()
1435 le16_to_cpu(((__le16 *)upm2->partIdent. in udf_load_logicalvol()
1438 map->s_partition_type = in udf_load_logicalvol()
1440 map->s_partition_func = in udf_load_logicalvol()
1443 map->s_partition_type = in udf_load_logicalvol()
1445 map->s_partition_func = in udf_load_logicalvol()
1448 } else if (!strncmp(upm2->partIdent.ident, in udf_load_logicalvol()
1455 } else if (!strncmp(upm2->partIdent.ident, in udf_load_logicalvol()
1459 &map->s_type_specific.s_metadata; in udf_load_logicalvol()
1462 &(lvd->partitionMaps[offset]); in udf_load_logicalvol()
1466 map->s_partition_type = UDF_METADATA_MAP25; in udf_load_logicalvol()
1467 map->s_partition_func = udf_get_pblock_meta25; in udf_load_logicalvol()
1469 mdata->s_meta_file_loc = in udf_load_logicalvol()
1470 le32_to_cpu(mdm->metadataFileLoc); in udf_load_logicalvol()
1471 mdata->s_mirror_file_loc = in udf_load_logicalvol()
1472 le32_to_cpu(mdm->metadataMirrorFileLoc); in udf_load_logicalvol()
1473 mdata->s_bitmap_file_loc = in udf_load_logicalvol()
1474 le32_to_cpu(mdm->metadataBitmapFileLoc); in udf_load_logicalvol()
1475 mdata->s_alloc_unit_size = in udf_load_logicalvol()
1476 le32_to_cpu(mdm->allocUnitSize); in udf_load_logicalvol()
1477 mdata->s_align_unit_size = in udf_load_logicalvol()
1478 le16_to_cpu(mdm->alignUnitSize); in udf_load_logicalvol()
1479 if (mdm->flags & 0x01) in udf_load_logicalvol()
1480 mdata->s_flags |= MF_DUPLICATE_MD; in udf_load_logicalvol()
1484 mdm->partIdent.identSuffix)); in udf_load_logicalvol()
1486 le16_to_cpu(mdm->partitionNum)); in udf_load_logicalvol()
1488 le32_to_cpu(mdm->allocUnitSize)); in udf_load_logicalvol()
1490 le32_to_cpu(mdm->metadataFileLoc)); in udf_load_logicalvol()
1492 le32_to_cpu(mdm->metadataMirrorFileLoc)); in udf_load_logicalvol()
1494 le32_to_cpu(mdm->metadataBitmapFileLoc)); in udf_load_logicalvol()
1496 mdata->s_flags, mdm->flags); in udf_load_logicalvol()
1499 upm2->partIdent.ident); in udf_load_logicalvol()
1502 map->s_volumeseqnum = le16_to_cpu(upm2->volSeqNum); in udf_load_logicalvol()
1503 map->s_partition_num = le16_to_cpu(upm2->partitionNum); in udf_load_logicalvol()
1505 udf_debug("Partition (%d:%u) type %u on volume %u\n", in udf_load_logicalvol()
1506 i, map->s_partition_num, type, map->s_volumeseqnum); in udf_load_logicalvol()
1510 struct long_ad *la = (struct long_ad *)&(lvd->logicalVolContentsUse[0]); in udf_load_logicalvol()
1512 *fileset = lelb_to_cpu(la->extLocation); in udf_load_logicalvol()
1514 fileset->logicalBlockNum, in udf_load_logicalvol()
1515 fileset->partitionReferenceNum); in udf_load_logicalvol()
1517 if (lvd->integritySeqExt.extLength) in udf_load_logicalvol()
1518 udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt)); in udf_load_logicalvol()
1521 if (!sbi->s_lvid_bh) { in udf_load_logicalvol()
1528 ret = -EACCES; in udf_load_logicalvol()
1537 * Find the prevailing Logical Volume Integrity Descriptor.
1561 loc.extLength -= sb->s_blocksize; in udf_load_logicalvolint()
1568 brelse(sbi->s_lvid_bh); in udf_load_logicalvolint()
1569 sbi->s_lvid_bh = final_bh; in udf_load_logicalvolint()
1571 lvid = (struct logicalVolIntegrityDesc *)final_bh->b_data; in udf_load_logicalvolint()
1572 if (lvid->nextIntegrityExt.extLength == 0) in udf_load_logicalvolint()
1575 loc = leea_to_cpu(lvid->nextIntegrityExt); in udf_load_logicalvolint()
1581 brelse(sbi->s_lvid_bh); in udf_load_logicalvolint()
1582 sbi->s_lvid_bh = NULL; in udf_load_logicalvolint()
1585 parts = le32_to_cpu(lvid->numOfPartitions); in udf_load_logicalvolint()
1586 impuselen = le32_to_cpu(lvid->lengthOfImpUse); in udf_load_logicalvolint()
1587 if (parts >= sb->s_blocksize || impuselen >= sb->s_blocksize || in udf_load_logicalvolint()
1589 2 * parts * sizeof(u32) > sb->s_blocksize) { in udf_load_logicalvolint()
1618 struct partitionDesc *desc = (struct partitionDesc *)bh->b_data; in handle_partition_descriptor()
1622 partnum = le16_to_cpu(desc->partitionNumber); in handle_partition_descriptor()
1623 for (i = 0; i < data->num_part_descs; i++) in handle_partition_descriptor()
1624 if (partnum == data->part_descs_loc[i].partnum) in handle_partition_descriptor()
1625 return &(data->part_descs_loc[i].rec); in handle_partition_descriptor()
1626 if (data->num_part_descs >= data->size_part_descs) { in handle_partition_descriptor()
1632 return ERR_PTR(-ENOMEM); in handle_partition_descriptor()
1633 memcpy(new_loc, data->part_descs_loc, in handle_partition_descriptor()
1634 data->size_part_descs * sizeof(*new_loc)); in handle_partition_descriptor()
1635 kfree(data->part_descs_loc); in handle_partition_descriptor()
1636 data->part_descs_loc = new_loc; in handle_partition_descriptor()
1637 data->size_part_descs = new_size; in handle_partition_descriptor()
1639 return &(data->part_descs_loc[data->num_part_descs++].rec); in handle_partition_descriptor()
1648 return &(data->vds[VDS_POS_PRIMARY_VOL_DESC]); in get_volume_descriptor_record()
1650 return &(data->vds[VDS_POS_IMP_USE_VOL_DESC]); in get_volume_descriptor_record()
1652 return &(data->vds[VDS_POS_LOGICAL_VOL_DESC]); in get_volume_descriptor_record()
1654 return &(data->vds[VDS_POS_UNALLOC_SPACE_DESC]); in get_volume_descriptor_record()
1662 * Process a main/reserve volume descriptor sequence.
1667 * Returns <0 on error, 0 on success. -EAGAIN is special - try next descriptor
1694 return -ENOMEM; in udf_process_sequence()
1705 /* Process each descriptor (ISO 13346 3/8.3-8.4) */ in udf_process_sequence()
1706 gd = (struct generic_desc *)bh->b_data; in udf_process_sequence()
1707 vdsn = le32_to_cpu(gd->volDescSeqNum); in udf_process_sequence()
1711 udf_err(sb, "too many Volume Descriptor " in udf_process_sequence()
1715 ret = -EIO; in udf_process_sequence()
1716 goto out; in udf_process_sequence()
1719 vdp = (struct volDescPtr *)bh->b_data; in udf_process_sequence()
1720 block = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation); in udf_process_sequence()
1722 vdp->nextVolDescSeqExt.extLength) >> in udf_process_sequence()
1723 sb->s_blocksize_bits; in udf_process_sequence()
1724 lastblock += block - 1; in udf_process_sequence()
1726 block--; in udf_process_sequence()
1737 goto out; in udf_process_sequence()
1742 if (vdsn >= curr->volDescSeqNum) { in udf_process_sequence()
1743 curr->volDescSeqNum = vdsn; in udf_process_sequence()
1744 curr->block = block; in udf_process_sequence()
1758 udf_err(sb, "Primary Volume Descriptor not found!\n"); in udf_process_sequence()
1759 ret = -EAGAIN; in udf_process_sequence()
1760 goto out; in udf_process_sequence()
1764 goto out; in udf_process_sequence()
1771 goto out; in udf_process_sequence()
1778 goto out; in udf_process_sequence()
1781 out: in udf_process_sequence()
1787 * Load Volume Descriptor Sequence described by anchor in bh
1798 anchor = (struct anchorVolDescPtr *)bh->b_data; in udf_load_sequence()
1801 main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation); in udf_load_sequence()
1802 main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength); in udf_load_sequence()
1803 main_e = main_e >> sb->s_blocksize_bits; in udf_load_sequence()
1804 main_e += main_s - 1; in udf_load_sequence()
1807 reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation); in udf_load_sequence()
1808 reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength); in udf_load_sequence()
1809 reserve_e = reserve_e >> sb->s_blocksize_bits; in udf_load_sequence()
1810 reserve_e += reserve_s - 1; in udf_load_sequence()
1815 if (ret != -EAGAIN) in udf_load_sequence()
1821 /* No sequence was OK, return -EIO */ in udf_load_sequence()
1822 if (ret == -EAGAIN) in udf_load_sequence()
1823 ret = -EIO; in udf_load_sequence()
1830 * load Volume Descriptor Sequence if so.
1832 * Returns <0 on error, 0 on success, -EAGAIN is special - try next anchor
1844 i_size_read(sb->s_bdev->bd_inode) >> sb->s_blocksize_bits) in udf_check_anchor_block()
1845 return -EAGAIN; in udf_check_anchor_block()
1849 return -EAGAIN; in udf_check_anchor_block()
1852 return -EAGAIN; in udf_check_anchor_block()
1860 * Search for an anchor volume descriptor pointer.
1862 * Returns < 0 on error, 0 on success. -EAGAIN is special - try next set
1875 if (sbi->s_anchor) { in udf_scan_anchors()
1876 ret = udf_check_anchor_block(sb, sbi->s_anchor, fileset); in udf_scan_anchors()
1877 if (ret != -EAGAIN) in udf_scan_anchors()
1883 * lastblock-256 in udf_scan_anchors()
1887 ret = udf_check_anchor_block(sb, sbi->s_session + 256, fileset); in udf_scan_anchors()
1888 if (ret != -EAGAIN) in udf_scan_anchors()
1896 last[last_count++] = *lastblock - 1; in udf_scan_anchors()
1899 last[last_count++] = *lastblock - 2; in udf_scan_anchors()
1901 last[last_count++] = *lastblock - 150; in udf_scan_anchors()
1903 last[last_count++] = *lastblock - 152; in udf_scan_anchors()
1906 if (last[i] >= i_size_read(sb->s_bdev->bd_inode) >> in udf_scan_anchors()
1907 sb->s_blocksize_bits) 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 * Find an anchor volume descriptor and load Volume Descriptor Sequence from
1931 * area specified by it. The function expects sbi->s_lastblock to be the last
1934 * Return <0 on error, 0 if anchor found. -EAGAIN is special meaning anchor
1941 sector_t lastblock = sbi->s_last_block; in udf_find_anchor()
1945 if (ret != -EAGAIN) in udf_find_anchor()
1946 goto out; in udf_find_anchor()
1950 lastblock = udf_variable_to_fixed(sbi->s_last_block); in udf_find_anchor()
1953 if (ret != -EAGAIN) in udf_find_anchor()
1954 goto out; in udf_find_anchor()
1956 lastblock = sbi->s_last_block; in udf_find_anchor()
1963 out: in udf_find_anchor()
1965 sbi->s_last_block = lastblock; in udf_find_anchor()
1970 * Check Volume Structure Descriptor, find Anchor block and load Volume
1973 * Returns < 0 on error, 0 on success. -EAGAIN is special meaning anchor
1983 if (!sb_set_blocksize(sb, uopt->blocksize)) { in udf_load_vrs()
1986 return -EINVAL; in udf_load_vrs()
1988 sbi->s_last_block = uopt->lastblock; in udf_load_vrs()
1989 if (!uopt->novrs) { in udf_load_vrs()
1995 return -EINVAL; in udf_load_vrs()
1997 if (nsr == -1) in udf_load_vrs()
2001 if (!sbi->s_last_block) in udf_load_vrs()
2002 sbi->s_last_block = udf_get_last_block(sb); in udf_load_vrs()
2007 /* Look for anchor block and load Volume Descriptor Sequence */ in udf_load_vrs()
2008 sbi->s_anchor = uopt->anchor; in udf_load_vrs()
2011 if (!silent && ret == -EAGAIN) in udf_load_vrs()
2023 udf_time_to_disk_stamp(&lvid->recordingDateAndTime, ts); in udf_finalize_lvid()
2024 lvid->descTag.descCRC = cpu_to_le16( in udf_finalize_lvid()
2026 le16_to_cpu(lvid->descTag.descCRCLength))); in udf_finalize_lvid()
2027 lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag); in udf_finalize_lvid()
2033 struct buffer_head *bh = sbi->s_lvid_bh; in udf_open_lvid()
2039 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_open_lvid()
2044 mutex_lock(&sbi->s_alloc_mutex); in udf_open_lvid()
2045 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; in udf_open_lvid()
2046 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; in udf_open_lvid()
2047 if (le32_to_cpu(lvid->integrityType) == LVID_INTEGRITY_TYPE_CLOSE) in udf_open_lvid()
2048 lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN); in udf_open_lvid()
2054 sbi->s_lvid_dirty = 0; in udf_open_lvid()
2055 mutex_unlock(&sbi->s_alloc_mutex); in udf_open_lvid()
2063 struct buffer_head *bh = sbi->s_lvid_bh; in udf_close_lvid()
2069 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_close_lvid()
2074 mutex_lock(&sbi->s_alloc_mutex); in udf_close_lvid()
2075 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; in udf_close_lvid()
2076 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; in udf_close_lvid()
2077 if (UDF_MAX_WRITE_VERSION > le16_to_cpu(lvidiu->maxUDFWriteRev)) in udf_close_lvid()
2078 lvidiu->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION); in udf_close_lvid()
2079 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFReadRev)) in udf_close_lvid()
2080 lvidiu->minUDFReadRev = cpu_to_le16(sbi->s_udfrev); in udf_close_lvid()
2081 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFWriteRev)) in udf_close_lvid()
2082 lvidiu->minUDFWriteRev = cpu_to_le16(sbi->s_udfrev); in udf_close_lvid()
2084 lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); in udf_close_lvid()
2094 sbi->s_lvid_dirty = 0; in udf_close_lvid()
2095 mutex_unlock(&sbi->s_alloc_mutex); in udf_close_lvid()
2109 bh = sbi->s_lvid_bh; in lvid_get_unique_id()
2113 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in lvid_get_unique_id()
2114 lvhd = (struct logicalVolHeaderDesc *)lvid->logicalVolContentsUse; in lvid_get_unique_id()
2116 mutex_lock(&sbi->s_alloc_mutex); in lvid_get_unique_id()
2117 ret = uniqueID = le64_to_cpu(lvhd->uniqueID); in lvid_get_unique_id()
2120 lvhd->uniqueID = cpu_to_le64(uniqueID); in lvid_get_unique_id()
2122 mutex_unlock(&sbi->s_alloc_mutex); in lvid_get_unique_id()
2129 int ret = -EINVAL; in udf_fill_super()
2137 /* By default we'll use overflow[ug]id when UDF inode [ug]id == -1 */ in udf_fill_super()
2147 return -ENOMEM; in udf_fill_super()
2149 sb->s_fs_info = sbi; in udf_fill_super()
2151 mutex_init(&sbi->s_alloc_mutex); in udf_fill_super()
2159 sbi->s_flags = uopt.flags; in udf_fill_super()
2160 sbi->s_uid = uopt.uid; in udf_fill_super()
2161 sbi->s_gid = uopt.gid; in udf_fill_super()
2162 sbi->s_umask = uopt.umask; in udf_fill_super()
2163 sbi->s_fmode = uopt.fmode; in udf_fill_super()
2164 sbi->s_dmode = uopt.dmode; in udf_fill_super()
2165 sbi->s_nls_map = uopt.nls_map; in udf_fill_super()
2166 rwlock_init(&sbi->s_cred_lock); in udf_fill_super()
2169 sbi->s_session = udf_get_last_session(sb); in udf_fill_super()
2171 sbi->s_session = uopt.session; in udf_fill_super()
2173 udf_debug("Multi-session=%d\n", sbi->s_session); in udf_fill_super()
2176 sb->s_op = &udf_sb_ops; in udf_fill_super()
2177 sb->s_export_op = &udf_export_ops; in udf_fill_super()
2179 sb->s_magic = UDF_SUPER_MAGIC; in udf_fill_super()
2180 sb->s_time_gran = 1000; in udf_fill_super()
2185 uopt.blocksize = bdev_logical_block_size(sb->s_bdev); in udf_fill_super()
2189 if (!silent && ret != -EACCES) { in udf_fill_super()
2193 brelse(sbi->s_lvid_bh); in udf_fill_super()
2194 sbi->s_lvid_bh = NULL; in udf_fill_super()
2196 * EACCES is special - we want to propagate to in udf_fill_super()
2199 if (ret == -EACCES) in udf_fill_super()
2208 if (ret == -EAGAIN) { in udf_fill_super()
2210 ret = -EINVAL; in udf_fill_super()
2215 udf_debug("Lastblock=%u\n", sbi->s_last_block); in udf_fill_super()
2217 if (sbi->s_lvid_bh) { in udf_fill_super()
2224 ret = -EINVAL; in udf_fill_super()
2227 minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev); in udf_fill_super()
2228 minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev); in udf_fill_super()
2233 ret = -EINVAL; in udf_fill_super()
2237 ret = -EACCES; in udf_fill_super()
2243 sbi->s_udfrev = minUDFWriteRev; in udf_fill_super()
2251 if (!sbi->s_partitions) { in udf_fill_super()
2253 ret = -EINVAL; in udf_fill_super()
2257 if (sbi->s_partmaps[sbi->s_partition].s_partition_flags & in udf_fill_super()
2260 ret = -EACCES; in udf_fill_super()
2274 udf_time_to_disk_stamp(&ts, sbi->s_record_time); in udf_fill_super()
2275 udf_info("Mounting volume '%s', timestamp %04u/%02u/%02u %02u:%02u (%x)\n", in udf_fill_super()
2276 sbi->s_volume_ident, in udf_fill_super()
2297 sb->s_root = d_make_root(inode); in udf_fill_super()
2298 if (!sb->s_root) { in udf_fill_super()
2300 ret = -ENOMEM; in udf_fill_super()
2303 sb->s_maxbytes = MAX_LFS_FILESIZE; in udf_fill_super()
2304 sb->s_max_links = UDF_MAX_LINKS; in udf_fill_super()
2308 iput(sbi->s_vat_inode); in udf_fill_super()
2313 brelse(sbi->s_lvid_bh); in udf_fill_super()
2316 sb->s_fs_info = NULL; in udf_fill_super()
2332 pr_err("error (device %s): %s: %pV", sb->s_id, function, &vaf); in _udf_err()
2348 pr_warn("warning (device %s): %s: %pV", sb->s_id, function, &vaf); in _udf_warn()
2359 iput(sbi->s_vat_inode); in udf_put_super()
2360 unload_nls(sbi->s_nls_map); in udf_put_super()
2363 brelse(sbi->s_lvid_bh); in udf_put_super()
2365 mutex_destroy(&sbi->s_alloc_mutex); in udf_put_super()
2366 kfree(sb->s_fs_info); in udf_put_super()
2367 sb->s_fs_info = NULL; in udf_put_super()
2374 mutex_lock(&sbi->s_alloc_mutex); in udf_sync_fs()
2375 if (sbi->s_lvid_dirty) { in udf_sync_fs()
2376 struct buffer_head *bh = sbi->s_lvid_bh; in udf_sync_fs()
2379 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; in udf_sync_fs()
2387 sbi->s_lvid_dirty = 0; in udf_sync_fs()
2389 mutex_unlock(&sbi->s_alloc_mutex); in udf_sync_fs()
2396 struct super_block *sb = dentry->d_sb; in udf_statfs()
2399 u64 id = huge_encode_dev(sb->s_bdev->bd_dev); in udf_statfs()
2402 buf->f_type = UDF_SUPER_MAGIC; in udf_statfs()
2403 buf->f_bsize = sb->s_blocksize; in udf_statfs()
2404 buf->f_blocks = sbi->s_partmaps[sbi->s_partition].s_partition_len; in udf_statfs()
2405 buf->f_bfree = udf_count_free(sb); in udf_statfs()
2406 buf->f_bavail = buf->f_bfree; in udf_statfs()
2411 buf->f_files = (lvidiu != NULL ? (le32_to_cpu(lvidiu->numFiles) + in udf_statfs()
2412 le32_to_cpu(lvidiu->numDirs)) : 0) in udf_statfs()
2413 + buf->f_bfree; in udf_statfs()
2414 buf->f_ffree = buf->f_bfree; in udf_statfs()
2415 buf->f_namelen = UDF_NAME_LEN; in udf_statfs()
2416 buf->f_fsid = u64_to_fsid(id); in udf_statfs()
2434 loc.logicalBlockNum = bitmap->s_extPosition; in udf_count_free_bitmap()
2435 loc.partitionReferenceNum = UDF_SB(sb)->s_partition; in udf_count_free_bitmap()
2440 goto out; in udf_count_free_bitmap()
2444 goto out; in udf_count_free_bitmap()
2447 bm = (struct spaceBitmapDesc *)bh->b_data; in udf_count_free_bitmap()
2448 bytes = le32_to_cpu(bm->numOfBytes); in udf_count_free_bitmap()
2450 ptr = (uint8_t *)bh->b_data; in udf_count_free_bitmap()
2453 u32 cur_bytes = min_t(u32, bytes, sb->s_blocksize - index); in udf_count_free_bitmap()
2456 bytes -= cur_bytes; in udf_count_free_bitmap()
2463 goto out; in udf_count_free_bitmap()
2466 ptr = (uint8_t *)bh->b_data; in udf_count_free_bitmap()
2470 out: in udf_count_free_bitmap()
2483 mutex_lock(&UDF_SB(sb)->s_alloc_mutex); in udf_count_free_table()
2484 epos.block = UDF_I(table)->i_location; in udf_count_free_table()
2488 while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) in udf_count_free_table()
2489 accum += (elen >> table->i_sb->s_blocksize_bits); in udf_count_free_table()
2492 mutex_unlock(&UDF_SB(sb)->s_alloc_mutex); in udf_count_free_table()
2502 unsigned int part = sbi->s_partition; in udf_count_free()
2503 int ptype = sbi->s_partmaps[part].s_partition_type; in udf_count_free()
2506 part = sbi->s_partmaps[part].s_type_specific.s_metadata. in udf_count_free()
2510 * Filesystems with VAT are append-only and we cannot write to in udf_count_free()
2516 if (sbi->s_lvid_bh) { in udf_count_free()
2519 sbi->s_lvid_bh->b_data; in udf_count_free()
2520 if (le32_to_cpu(lvid->numOfPartitions) > part) { in udf_count_free()
2522 lvid->freeSpaceTable[part]); in udf_count_free()
2531 map = &sbi->s_partmaps[part]; in udf_count_free()
2532 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { in udf_count_free()
2534 map->s_uspace.s_bitmap); in udf_count_free()
2539 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) { in udf_count_free()
2541 map->s_uspace.s_table); in udf_count_free()