/* $NetBSD: udf_write.c,v 1.9 2015/01/02 21:01:12 reinoud Exp $ */ /* * Copyright (c) 2006, 2008, 2013 Reinoud Zandijk * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #if HAVE_NBTOOL_CONFIG_H #include "nbtool_config.h" #endif #include __RCSID("$NetBSD: udf_write.c,v 1.9 2015/01/02 21:01:12 reinoud Exp $"); #include #include #include #include #include #include #include #include #include #if !HAVE_NBTOOL_CONFIG_H #define _EXPOSE_MMC #include #else #include "udf/cdio_mmc_structs.h" #endif #include "udf_create.h" #include "udf_write.h" #include "newfs_udf.h" union dscrptr *terminator_dscr; static int udf_write_phys(void *blob, uint32_t location, uint32_t sects) { uint32_t phys, cnt; uint8_t *bpos; int error; for (cnt = 0; cnt < sects; cnt++) { bpos = (uint8_t *) blob; bpos += context.sector_size * cnt; phys = location + cnt; error = udf_write_sector(bpos, phys); if (error) return error; } return 0; } static int udf_write_dscr_phys(union dscrptr *dscr, uint32_t location, uint32_t sects) { dscr->tag.tag_loc = udf_rw32(location); (void) udf_validate_tag_and_crc_sums(dscr); return udf_write_phys(dscr, location, sects); } int udf_write_dscr_virt(union dscrptr *dscr, uint32_t location, uint32_t vpart, uint32_t sects) { struct file_entry *fe; struct extfile_entry *efe; struct extattrhdr_desc *extattrhdr; uint32_t phys; extattrhdr = NULL; if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { fe = (struct file_entry *) dscr; if (udf_rw32(fe->l_ea) > 0) extattrhdr = (struct extattrhdr_desc *) fe->data; } if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { efe = (struct extfile_entry *) dscr; if (udf_rw32(efe->l_ea) > 0) extattrhdr = (struct extattrhdr_desc *) efe->data; } if (extattrhdr) { extattrhdr->tag.tag_loc = udf_rw32(location); udf_validate_tag_and_crc_sums((union dscrptr *) extattrhdr); } dscr->tag.tag_loc = udf_rw32(location); udf_validate_tag_and_crc_sums(dscr); /* determine physical location */ phys = context.vtop_offset[vpart]; if (context.vtop_tp[vpart] == UDF_VTOP_TYPE_VIRT) { udf_vat_update(location, context.data_alloc_pos); phys += context.data_alloc_pos++; } else { phys += location; } return udf_write_phys(dscr, phys, sects); } void udf_metadata_alloc(int nblk, struct long_ad *pos) { memset(pos, 0, sizeof(*pos)); pos->len = udf_rw32(nblk * context.sector_size); pos->loc.lb_num = udf_rw32(context.metadata_alloc_pos); pos->loc.part_num = udf_rw16(context.metadata_part); udf_mark_allocated(context.metadata_alloc_pos, context.metadata_part, nblk); context.metadata_alloc_pos += nblk; if (context.metadata_part == context.data_part) context.data_alloc_pos = context.metadata_alloc_pos; } void udf_data_alloc(int nblk, struct long_ad *pos) { memset(pos, 0, sizeof(*pos)); pos->len = udf_rw32(nblk * context.sector_size); pos->loc.lb_num = udf_rw32(context.data_alloc_pos); pos->loc.part_num = udf_rw16(context.data_part); udf_mark_allocated(context.data_alloc_pos, context.data_part, nblk); context.data_alloc_pos += nblk; if (context.metadata_part == context.data_part) context.metadata_alloc_pos = context.data_alloc_pos; } /* --------------------------------------------------------------------- */ /* * udf_derive_format derives the format_flags from the disc's mmc_discinfo. * The resulting flags uniquely define a disc format. Note there are at least * 7 distinct format types defined in UDF. */ #define UDF_VERSION(a) \ (((a) == 0x100) || ((a) == 0x102) || ((a) == 0x150) || ((a) == 0x200) || \ ((a) == 0x201) || ((a) == 0x250) || ((a) == 0x260)) int udf_derive_format(int req_enable, int req_disable, int force) { /* disc writability, formatted, appendable */ if ((mmc_discinfo.mmc_cur & MMC_CAP_RECORDABLE) == 0) { (void)printf("Can't newfs readonly device\n"); return EROFS; } if (mmc_discinfo.mmc_cur & MMC_CAP_SEQUENTIAL) { /* sequentials need sessions appended */ if (mmc_discinfo.disc_state == MMC_STATE_CLOSED) { (void)printf("Can't append session to a closed disc\n"); return EROFS; } if ((mmc_discinfo.disc_state != MMC_STATE_EMPTY) && !force) { (void)printf("Disc not empty! Use -F to force " "initialisation\n"); return EROFS; } } else { /* check if disc (being) formatted or has been started on */ if (mmc_discinfo.disc_state == MMC_STATE_EMPTY) { (void)printf("Disc is not formatted\n"); return EROFS; } } /* determine UDF format */ format_flags = 0; if (mmc_discinfo.mmc_cur & MMC_CAP_REWRITABLE) { /* all rewritable media */ format_flags |= FORMAT_REWRITABLE; if (context.min_udf >= 0x0250) { /* standard dictates meta as default */ format_flags |= FORMAT_META; } if ((mmc_discinfo.mmc_cur & MMC_CAP_HW_DEFECTFREE) == 0) { /* sparables for defect management */ if (context.min_udf >= 0x150) format_flags |= FORMAT_SPARABLE; } } else { /* all once recordable media */ format_flags |= FORMAT_WRITEONCE; if (mmc_discinfo.mmc_cur & MMC_CAP_SEQUENTIAL) { format_flags |= FORMAT_SEQUENTIAL; if (mmc_discinfo.mmc_cur & MMC_CAP_PSEUDOOVERWRITE) { /* logical overwritable */ format_flags |= FORMAT_LOW; } else { /* have to use VAT for overwriting */ format_flags |= FORMAT_VAT; } } else { /* rare WORM devices, but BluRay has one, strat4096 */ format_flags |= FORMAT_WORM; } } /* enable/disable requests */ if (req_disable & FORMAT_META) { format_flags &= ~(FORMAT_META | FORMAT_LOW); req_disable &= ~FORMAT_META; } if ((format_flags & FORMAT_VAT) & UDF_512_TRACK) format_flags |= FORMAT_TRACK512; if (req_enable & FORMAT_READONLY) { format_flags |= FORMAT_READONLY; } /* determine partition/media access type */ media_accesstype = UDF_ACCESSTYPE_NOT_SPECIFIED; if (mmc_discinfo.mmc_cur & MMC_CAP_REWRITABLE) { media_accesstype = UDF_ACCESSTYPE_OVERWRITABLE; if (mmc_discinfo.mmc_cur & MMC_CAP_ERASABLE) media_accesstype = UDF_ACCESSTYPE_REWRITEABLE; } else { /* all once recordable media */ media_accesstype = UDF_ACCESSTYPE_WRITE_ONCE; } if (mmc_discinfo.mmc_cur & MMC_CAP_PSEUDOOVERWRITE) media_accesstype = UDF_ACCESSTYPE_PSEUDO_OVERWITE; /* patch up media accesstype */ if (req_enable & FORMAT_READONLY) { /* better now */ media_accesstype = UDF_ACCESSTYPE_READ_ONLY; } /* adjust minimum version limits */ if (format_flags & FORMAT_VAT) context.min_udf = MAX(context.min_udf, 0x0150); if (format_flags & FORMAT_SPARABLE) context.min_udf = MAX(context.min_udf, 0x0150); if (format_flags & FORMAT_META) context.min_udf = MAX(context.min_udf, 0x0250); if (format_flags & FORMAT_LOW) context.min_udf = MAX(context.min_udf, 0x0260); /* adjust maximum version limits not to tease or break things */ if (!(format_flags & (FORMAT_META | FORMAT_LOW)) && (context.max_udf > 0x200)) context.max_udf = 0x201; if ((format_flags & (FORMAT_VAT | FORMAT_SPARABLE)) == 0) if (context.max_udf <= 0x150) context.min_udf = 0x102; /* limit Ecma 167 descriptor if possible/needed */ context.dscrver = 3; if ((context.min_udf < 0x200) || (context.max_udf < 0x200)) { context.dscrver = 2; context.max_udf = 0x150; /* last version < 0x200 */ } /* is it possible ? */ if (context.min_udf > context.max_udf) { (void)printf("Initialisation prohibited by specified maximum " "UDF version 0x%04x. Minimum version required 0x%04x\n", context.max_udf, context.min_udf); return EPERM; } if (!UDF_VERSION(context.min_udf) || !UDF_VERSION(context.max_udf)) { printf("Choose UDF version numbers from " "0x102, 0x150, 0x200, 0x201, 0x250 and 0x260\n"); printf("Default version is 0x201\n"); return EPERM; } return 0; } #undef UDF_VERSION /* --------------------------------------------------------------------- */ int udf_proces_names(void) { struct timeval time_of_day; uint32_t primary_nr; uint64_t volset_nr; if (context.logvol_name == NULL) context.logvol_name = strdup("anonymous"); if (context.primary_name == NULL) { if (mmc_discinfo.disc_flags & MMC_DFLAGS_DISCIDVALID) { primary_nr = mmc_discinfo.disc_id; } else { primary_nr = (uint32_t) random(); } context.primary_name = calloc(32, 1); sprintf(context.primary_name, "%08"PRIx32, primary_nr); } if (context.volset_name == NULL) { if (mmc_discinfo.disc_flags & MMC_DFLAGS_BARCODEVALID) { volset_nr = mmc_discinfo.disc_barcode; } else { (void)gettimeofday(&time_of_day, NULL); volset_nr = (uint64_t) random(); volset_nr |= ((uint64_t) time_of_day.tv_sec) << 32; } context.volset_name = calloc(128,1); sprintf(context.volset_name, "%016"PRIx64, volset_nr); } if (context.fileset_name == NULL) context.fileset_name = strdup("anonymous"); /* check passed/created identifiers */ if (strlen(context.logvol_name) > 128) { (void)printf("Logical volume name too long\n"); return EINVAL; } if (strlen(context.primary_name) > 32) { (void)printf("Primary volume name too long\n"); return EINVAL; } if (strlen(context.volset_name) > 128) { (void)printf("Volume set name too long\n"); return EINVAL; } if (strlen(context.fileset_name) > 32) { (void)printf("Fileset name too long\n"); return EINVAL; } /* signal all OK */ return 0; } /* --------------------------------------------------------------------- */ static int udf_write_iso9660_vrs(void) { struct vrs_desc *iso9660_vrs_desc; uint32_t pos; int error, cnt, dpos; /* create ISO/Ecma-167 identification descriptors */ if ((iso9660_vrs_desc = calloc(1, context.sector_size)) == NULL) return ENOMEM; /* * All UDF formats should have their ISO/Ecma-167 descriptors written * except when not possible due to track reservation in the case of * VAT */ if ((format_flags & FORMAT_TRACK512) == 0) { dpos = (2048 + context.sector_size - 1) / context.sector_size; /* wipe at least 6 times 2048 byte `sectors' */ for (cnt = 0; cnt < 6 *dpos; cnt++) { pos = layout.iso9660_vrs + cnt; if ((error = udf_write_sector(iso9660_vrs_desc, pos))) { free(iso9660_vrs_desc); return error; } } /* common VRS fields in all written out ISO descriptors */ iso9660_vrs_desc->struct_type = 0; iso9660_vrs_desc->version = 1; pos = layout.iso9660_vrs; /* BEA01, NSR[23], TEA01 */ memcpy(iso9660_vrs_desc->identifier, "BEA01", 5); if ((error = udf_write_sector(iso9660_vrs_desc, pos))) { free(iso9660_vrs_desc); return error; } pos += dpos; if (context.dscrver == 2) memcpy(iso9660_vrs_desc->identifier, "NSR02", 5); else memcpy(iso9660_vrs_desc->identifier, "NSR03", 5); ; if ((error = udf_write_sector(iso9660_vrs_desc, pos))) { free(iso9660_vrs_desc); return error; } pos += dpos; memcpy(iso9660_vrs_desc->identifier, "TEA01", 5); if ((error = udf_write_sector(iso9660_vrs_desc, pos))) { free(iso9660_vrs_desc); return error; } } free(iso9660_vrs_desc); /* return success */ return 0; } /* --------------------------------------------------------------------- */ /* * Main function that creates and writes out disc contents based on the * format_flags's that uniquely define the type of disc to create. */ int udf_do_newfs_prefix(void) { union dscrptr *zero_dscr; union dscrptr *dscr; struct mmc_trackinfo ti; uint32_t sparable_blocks; uint32_t sector_size, blockingnr; uint32_t cnt, loc, len; int sectcopy; int error, integrity_type; int data_part, metadata_part; /* init */ sector_size = mmc_discinfo.sector_size; /* determine span/size */ ti.tracknr = mmc_discinfo.first_track_last_session; error = udf_update_trackinfo(&mmc_discinfo, &ti); if (error) return error; if (mmc_discinfo.sector_size < context.sector_size) { fprintf(stderr, "Impossible to format: sectorsize too small\n"); return EIO; } context.sector_size = sector_size; /* determine blockingnr */ blockingnr = ti.packet_size; if (blockingnr <= 1) { /* paranoia on blockingnr */ switch (mmc_discinfo.mmc_profile) { case 0x08 : /* CDROM */ case 0x09 : /* CD-R */ case 0x0a : /* CD-RW */ blockingnr = 32; /* UDF requirement */ break; case 0x10 : /* DVDROM */ case 0x11 : /* DVD-R (DL) */ case 0x12 : /* DVD-RAM */ case 0x1b : /* DVD+R */ case 0x2b : /* DVD+R Dual layer */ case 0x13 : /* DVD-RW restricted overwrite */ case 0x14 : /* DVD-RW sequential */ blockingnr = 16; /* SCSI definition */ break; case 0x40 : /* BDROM */ case 0x41 : /* BD-R Sequential recording (SRM) */ case 0x42 : /* BD-R Random recording (RRM) */ case 0x43 : /* BD-RE */ case 0x51 : /* HD DVD-R */ case 0x52 : /* HD DVD-RW */ blockingnr = 32; /* SCSI definition */ break; default: break; } } if (blockingnr <= 0) { printf("Can't fixup blockingnumber for device " "type %d\n", mmc_discinfo.mmc_profile); printf("Device is not returning valid blocking" " number and media type is unknown.\n"); return EINVAL; } wrtrack_skew = ti.track_start % blockingnr; if (mmc_discinfo.mmc_class == MMC_CLASS_CD) { /* not too much for CD-RW, still 20MiB */ sparable_blocks = 32; } else { /* take a value for DVD*RW mainly, BD is `defect free' */ sparable_blocks = 512; } /* get layout */ error = udf_calculate_disc_layout(format_flags, context.min_udf, wrtrack_skew, ti.track_start, mmc_discinfo.last_possible_lba, context.sector_size, blockingnr, sparable_blocks, meta_fract); /* cache partition for we need it often */ data_part = context.data_part; metadata_part = context.metadata_part; /* Create sparing table descriptor if applicable */ if (format_flags & FORMAT_SPARABLE) { if ((error = udf_create_sparing_tabled())) return error; if (check_surface) { if ((error = udf_surface_check())) return error; } } /* Create a generic terminator descriptor (later reused) */ terminator_dscr = calloc(1, sector_size); if (terminator_dscr == NULL) return ENOMEM; udf_create_terminator(terminator_dscr, 0); /* * Start with wipeout of VRS1 upto start of partition. This allows * formatting for sequentials with the track reservation and it * cleans old rubbish on rewritables. For sequentuals without the * track reservation all is wiped from track start. */ if ((zero_dscr = calloc(1, context.sector_size)) == NULL) return ENOMEM; loc = (format_flags & FORMAT_TRACK512) ? layout.vds1 : ti.track_start; for (; loc < layout.part_start_lba; loc++) { if ((error = udf_write_sector(zero_dscr, loc))) { free(zero_dscr); return error; } } free(zero_dscr); /* Create anchors */ for (cnt = 0; cnt < 3; cnt++) { if ((error = udf_create_anchor(cnt))) { return error; } } /* * Create the two Volume Descriptor Sets (VDS) each containing the * following descriptors : primary volume, partition space, * unallocated space, logical volume, implementation use and the * terminator */ /* start of volume recognision sequence building */ context.vds_seq = 0; /* Create primary volume descriptor */ if ((error = udf_create_primaryd())) return error; /* Create partition descriptor */ if ((error = udf_create_partitiond(context.data_part, media_accesstype))) return error; /* Create unallocated space descriptor */ if ((error = udf_create_unalloc_spaced())) return error; /* Create logical volume descriptor */ if ((error = udf_create_logical_dscr(format_flags))) return error; /* Create implementation use descriptor */ /* TODO input of fields 1,2,3 and passing them */ if ((error = udf_create_impvold(NULL, NULL, NULL))) return error; /* write out what we've created so far */ /* writeout iso9660 vrs */ if ((error = udf_write_iso9660_vrs())) return error; /* Writeout anchors */ for (cnt = 0; cnt < 3; cnt++) { dscr = (union dscrptr *) context.anchors[cnt]; loc = layout.anchors[cnt]; if ((error = udf_write_dscr_phys(dscr, loc, 1))) return error; /* sequential media has only one anchor */ if (format_flags & FORMAT_SEQUENTIAL) break; } /* write out main and secondary VRS */ for (sectcopy = 1; sectcopy <= 2; sectcopy++) { loc = (sectcopy == 1) ? layout.vds1 : layout.vds2; /* primary volume descriptor */ dscr = (union dscrptr *) context.primary_vol; error = udf_write_dscr_phys(dscr, loc, 1); if (error) return error; loc++; /* partition descriptor(s) */ for (cnt = 0; cnt < UDF_PARTITIONS; cnt++) { dscr = (union dscrptr *) context.partitions[cnt]; if (dscr) { error = udf_write_dscr_phys(dscr, loc, 1); if (error) return error; loc++; } } /* unallocated space descriptor */ dscr = (union dscrptr *) context.unallocated; error = udf_write_dscr_phys(dscr, loc, 1); if (error) return error; loc++; /* logical volume descriptor */ dscr = (union dscrptr *) context.logical_vol; error = udf_write_dscr_phys(dscr, loc, 1); if (error) return error; loc++; /* implementation use descriptor */ dscr = (union dscrptr *) context.implementation; error = udf_write_dscr_phys(dscr, loc, 1); if (error) return error; loc++; /* terminator descriptor */ error = udf_write_dscr_phys(terminator_dscr, loc, 1); if (error) return error; loc++; } /* writeout the two sparable table descriptors (if needed) */ if (format_flags & FORMAT_SPARABLE) { for (sectcopy = 1; sectcopy <= 2; sectcopy++) { loc = (sectcopy == 1) ? layout.spt_1 : layout.spt_2; dscr = (union dscrptr *) context.sparing_table; len = layout.sparing_table_dscr_lbas; /* writeout */ error = udf_write_dscr_phys(dscr, loc, len); if (error) return error; } } /* * Create unallocated space bitmap descriptor. Sequential recorded * media report their own free/used space; no free/used space tables * should be recorded for these. */ if ((format_flags & (FORMAT_SEQUENTIAL | FORMAT_READONLY)) == 0) { error = udf_create_space_bitmap( layout.alloc_bitmap_dscr_size, layout.part_size_lba, &context.part_unalloc_bits[data_part]); if (error) return error; /* TODO: freed space bitmap if applicable */ /* mark space allocated for the unallocated space bitmap */ udf_mark_allocated(layout.unalloc_space, data_part, layout.alloc_bitmap_dscr_size); } /* * Create metadata partition file entries and allocate and init their * space and free space maps. */ if (format_flags & FORMAT_META) { error = udf_create_space_bitmap( layout.meta_bitmap_dscr_size, layout.meta_part_size_lba, &context.part_unalloc_bits[metadata_part]); if (error) return error; error = udf_create_meta_files(); if (error) return error; /* mark space allocated for meta partition and its bitmap */ udf_mark_allocated(layout.meta_file, data_part, 1); udf_mark_allocated(layout.meta_mirror, data_part, 1); udf_mark_allocated(layout.meta_bitmap, data_part, 1); udf_mark_allocated(layout.meta_part_start_lba, data_part, layout.meta_part_size_lba); /* mark space allocated for the unallocated space bitmap */ udf_mark_allocated(layout.meta_bitmap_space, data_part, layout.meta_bitmap_dscr_size); } /* create logical volume integrity descriptor */ context.num_files = 0; context.num_directories = 0; integrity_type = UDF_INTEGRITY_OPEN; if ((error = udf_create_lvintd(integrity_type))) return error; /* writeout initial open integrity sequence + terminator */ loc = layout.lvis; dscr = (union dscrptr *) context.logvol_integrity; error = udf_write_dscr_phys(dscr, loc, 1); if (error) return error; loc++; error = udf_write_dscr_phys(terminator_dscr, loc, 1); if (error) return error; /* create VAT if needed */ if (format_flags & FORMAT_VAT) { context.vat_allocated = context.sector_size; context.vat_contents = malloc(context.vat_allocated); assert(context.vat_contents); udf_prepend_VAT_file(); } /* create FSD and writeout */ if ((error = udf_create_fsd())) return error; udf_mark_allocated(layout.fsd, metadata_part, 1); dscr = (union dscrptr *) context.fileset_desc; error = udf_write_dscr_virt(dscr, layout.fsd, metadata_part, 1); return error; } /* specific routine for newfs to create empty rootdirectory */ int udf_do_rootdir(void) { union dscrptr *root_dscr; int error; /* create root directory and write out */ assert(context.unique_id == 0x10); context.unique_id = 0; if ((error = udf_create_new_rootdir(&root_dscr))) return error; udf_mark_allocated(layout.rootdir, context.metadata_part, 1); error = udf_write_dscr_virt(root_dscr, layout.rootdir, context.metadata_part, 1); free(root_dscr); return error; } int udf_do_newfs_postfix(void) { union dscrptr *vat_dscr; union dscrptr *dscr; struct long_ad vatdata_pos; uint32_t loc, len, phys, sects; int data_part, metadata_part; int error; /* cache partition for we need it often */ data_part = context.data_part; metadata_part = context.metadata_part; if ((format_flags & FORMAT_SEQUENTIAL) == 0) { /* update lvint and mark it closed */ udf_update_lvintd(UDF_INTEGRITY_CLOSED); /* overwrite initial terminator */ loc = layout.lvis+1; dscr = (union dscrptr *) context.logvol_integrity; error = udf_write_dscr_phys(dscr, loc, 1); if (error) return error; loc++; /* mark end of integrity desciptor sequence again */ error = udf_write_dscr_phys(terminator_dscr, loc, 1); if (error) return error; } /* write out unallocated space bitmap on non sequential media */ if ((format_flags & (FORMAT_SEQUENTIAL | FORMAT_READONLY)) == 0) { /* writeout unallocated space bitmap */ loc = layout.unalloc_space; dscr = (union dscrptr *) (context.part_unalloc_bits[data_part]); len = layout.alloc_bitmap_dscr_size; error = udf_write_dscr_virt(dscr, loc, data_part, len); if (error) return error; } if (format_flags & FORMAT_META) { loc = layout.meta_file; dscr = (union dscrptr *) context.meta_file; error = udf_write_dscr_virt(dscr, loc, data_part, 1); if (error) return error; loc = layout.meta_mirror; dscr = (union dscrptr *) context.meta_mirror; error = udf_write_dscr_virt(dscr, loc, data_part, 1); if (error) return error; loc = layout.meta_bitmap; dscr = (union dscrptr *) context.meta_bitmap; error = udf_write_dscr_virt(dscr, loc, data_part, 1); if (error) return error; /* writeout unallocated space bitmap */ loc = layout.meta_bitmap_space; dscr = (union dscrptr *) (context.part_unalloc_bits[metadata_part]); len = layout.meta_bitmap_dscr_size; error = udf_write_dscr_virt(dscr, loc, data_part, len); if (error) return error; } /* create a VAT and account for FSD+root */ vat_dscr = NULL; if (format_flags & FORMAT_VAT) { /* update lvint to reflect the newest values (no writeout) */ udf_update_lvintd(UDF_INTEGRITY_CLOSED); error = udf_append_VAT_file(); if (error) return error; /* write out VAT data */ sects = UDF_ROUNDUP(context.vat_size, context.sector_size) / context.sector_size; layout.vat = context.data_alloc_pos; udf_data_alloc(sects, &vatdata_pos); loc = udf_rw32(vatdata_pos.loc.lb_num); phys = context.vtop_offset[context.data_part] + loc; error = udf_write_phys(context.vat_contents, phys, sects); if (error) return error; loc += sects; /* create new VAT descriptor */ error = udf_create_VAT(&vat_dscr); if (error) return error; context.data_alloc_pos++; loc++; error = udf_write_dscr_virt(vat_dscr, loc, metadata_part, 1); free(vat_dscr); if (error) return error; } /* done */ return 0; }