diff options
Diffstat (limited to 'fs/udf/super.c')
-rw-r--r-- | fs/udf/super.c | 377 |
1 files changed, 243 insertions, 134 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c index 3cd5a855033b..7f75a949e152 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c | |||
@@ -98,9 +98,11 @@ static int udf_statfs(struct dentry *, struct kstatfs *); | |||
98 | 98 | ||
99 | struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi) | 99 | struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi) |
100 | { | 100 | { |
101 | struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data; | 101 | struct logicalVolIntegrityDesc *lvid = |
102 | (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data; | ||
102 | __u32 number_of_partitions = le32_to_cpu(lvid->numOfPartitions); | 103 | __u32 number_of_partitions = le32_to_cpu(lvid->numOfPartitions); |
103 | __u32 offset = number_of_partitions * 2 * sizeof(uint32_t)/sizeof(uint8_t); | 104 | __u32 offset = number_of_partitions * 2 * |
105 | sizeof(uint32_t)/sizeof(uint8_t); | ||
104 | return (struct logicalVolIntegrityDescImpUse *)&(lvid->impUse[offset]); | 106 | return (struct logicalVolIntegrityDescImpUse *)&(lvid->impUse[offset]); |
105 | } | 107 | } |
106 | 108 | ||
@@ -713,16 +715,23 @@ static void udf_find_anchor(struct super_block *sb) | |||
713 | lastblock = last[i] - sbi->s_session; | 715 | lastblock = last[i] - sbi->s_session; |
714 | sbi->s_anchor[0] = lastblock; | 716 | sbi->s_anchor[0] = lastblock; |
715 | sbi->s_anchor[1] = lastblock - 256; | 717 | sbi->s_anchor[1] = lastblock - 256; |
716 | } else if (location == udf_variable_to_fixed(last[i]) - sbi->s_session) { | 718 | } else if (location == |
719 | udf_variable_to_fixed(last[i]) - | ||
720 | sbi->s_session) { | ||
717 | UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); | 721 | UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); |
718 | lastblock = udf_variable_to_fixed(last[i]) - sbi->s_session; | 722 | lastblock = |
723 | udf_variable_to_fixed(last[i]) - | ||
724 | sbi->s_session; | ||
719 | sbi->s_anchor[0] = lastblock; | 725 | sbi->s_anchor[0] = lastblock; |
720 | sbi->s_anchor[1] = lastblock - 256 - sbi->s_session; | 726 | sbi->s_anchor[1] = lastblock - 256 - |
727 | sbi->s_session; | ||
721 | } else { | 728 | } else { |
722 | udf_debug("Anchor found at block %d, location mismatch %d.\n", | 729 | udf_debug("Anchor found at block %d, " |
730 | "location mismatch %d.\n", | ||
723 | last[i], location); | 731 | last[i], location); |
724 | } | 732 | } |
725 | } else if (ident == TAG_IDENT_FE || ident == TAG_IDENT_EFE) { | 733 | } else if (ident == TAG_IDENT_FE || |
734 | ident == TAG_IDENT_EFE) { | ||
726 | lastblock = last[i]; | 735 | lastblock = last[i]; |
727 | sbi->s_anchor[3] = 512; | 736 | sbi->s_anchor[3] = 512; |
728 | } else { | 737 | } else { |
@@ -731,31 +740,40 @@ static void udf_find_anchor(struct super_block *sb) | |||
731 | bh = sb_bread(sb, last[i] - 256); | 740 | bh = sb_bread(sb, last[i] - 256); |
732 | if (bh) { | 741 | if (bh) { |
733 | tag *t = (tag *)bh->b_data; | 742 | tag *t = (tag *)bh->b_data; |
734 | ident = le16_to_cpu(t->tagIdent); | 743 | ident = le16_to_cpu( |
735 | location = le32_to_cpu(t->tagLocation); | 744 | t->tagIdent); |
745 | location = le32_to_cpu( | ||
746 | t->tagLocation); | ||
736 | brelse(bh); | 747 | brelse(bh); |
737 | } | 748 | } |
738 | } | 749 | } |
739 | 750 | ||
740 | if (ident == TAG_IDENT_AVDP && | 751 | if (ident == TAG_IDENT_AVDP && |
741 | location == last[i] - 256 - sbi->s_session) { | 752 | location == last[i] - 256 - |
753 | sbi->s_session) { | ||
742 | lastblock = last[i]; | 754 | lastblock = last[i]; |
743 | sbi->s_anchor[1] = last[i] - 256; | 755 | sbi->s_anchor[1] = last[i] - 256; |
744 | } else { | 756 | } else { |
745 | ident = location = 0; | 757 | ident = location = 0; |
746 | if (last[i] >= 312 + sbi->s_session) { | 758 | if (last[i] >= 312 + sbi->s_session) { |
747 | bh = sb_bread(sb, last[i] - 312 - sbi->s_session); | 759 | bh = sb_bread(sb, |
760 | last[i] - 312 - | ||
761 | sbi->s_session); | ||
748 | if (bh) { | 762 | if (bh) { |
749 | tag *t = (tag *)bh->b_data; | 763 | tag *t = (tag *) |
750 | ident = le16_to_cpu(t->tagIdent); | 764 | bh->b_data; |
751 | location = le32_to_cpu(t->tagLocation); | 765 | ident = le16_to_cpu( |
766 | t->tagIdent); | ||
767 | location = le32_to_cpu( | ||
768 | t->tagLocation); | ||
752 | brelse(bh); | 769 | brelse(bh); |
753 | } | 770 | } |
754 | } | 771 | } |
755 | 772 | ||
756 | if (ident == TAG_IDENT_AVDP && | 773 | if (ident == TAG_IDENT_AVDP && |
757 | location == udf_variable_to_fixed(last[i]) - 256) { | 774 | location == udf_variable_to_fixed(last[i]) - 256) { |
758 | UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); | 775 | UDF_SET_FLAG(sb, |
776 | UDF_FLAG_VARCONV); | ||
759 | lastblock = udf_variable_to_fixed(last[i]); | 777 | lastblock = udf_variable_to_fixed(last[i]); |
760 | sbi->s_anchor[1] = lastblock - 256; | 778 | sbi->s_anchor[1] = lastblock - 256; |
761 | } | 779 | } |
@@ -787,7 +805,8 @@ static void udf_find_anchor(struct super_block *sb) | |||
787 | else { | 805 | else { |
788 | brelse(bh); | 806 | brelse(bh); |
789 | if ((ident != TAG_IDENT_AVDP) && | 807 | if ((ident != TAG_IDENT_AVDP) && |
790 | (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) | 808 | (i || (ident != TAG_IDENT_FE && |
809 | ident != TAG_IDENT_EFE))) | ||
791 | sbi->s_anchor[i] = 0; | 810 | sbi->s_anchor[i] = 0; |
792 | } | 811 | } |
793 | } | 812 | } |
@@ -848,11 +867,12 @@ static int udf_find_fileset(struct super_block *sb, | |||
848 | case TAG_IDENT_SBD: | 867 | case TAG_IDENT_SBD: |
849 | { | 868 | { |
850 | struct spaceBitmapDesc *sp; | 869 | struct spaceBitmapDesc *sp; |
851 | sp = (struct spaceBitmapDesc *)bh->b_data; | 870 | sp = (struct spaceBitmapDesc *) |
871 | bh->b_data; | ||
852 | newfileset.logicalBlockNum += 1 + | 872 | newfileset.logicalBlockNum += 1 + |
853 | ((le32_to_cpu(sp->numOfBytes) + | 873 | ((le32_to_cpu(sp->numOfBytes) + |
854 | sizeof(struct spaceBitmapDesc) - 1) | 874 | sizeof(struct spaceBitmapDesc) |
855 | >> sb->s_blocksize_bits); | 875 | - 1) >> sb->s_blocksize_bits); |
856 | brelse(bh); | 876 | brelse(bh); |
857 | break; | 877 | break; |
858 | } | 878 | } |
@@ -908,18 +928,17 @@ static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh) | |||
908 | UDF_SB(sb)->s_record_time.tv_nsec = recording_usec * 1000; | 928 | UDF_SB(sb)->s_record_time.tv_nsec = recording_usec * 1000; |
909 | } | 929 | } |
910 | 930 | ||
911 | if (!udf_build_ustr(&instr, pvoldesc->volIdent, 32)) { | 931 | if (!udf_build_ustr(&instr, pvoldesc->volIdent, 32)) |
912 | if (udf_CS0toUTF8(&outstr, &instr)) { | 932 | if (udf_CS0toUTF8(&outstr, &instr)) { |
913 | strncpy(UDF_SB(sb)->s_volume_ident, outstr.u_name, | 933 | strncpy(UDF_SB(sb)->s_volume_ident, outstr.u_name, |
914 | outstr.u_len > 31 ? 31 : outstr.u_len); | 934 | outstr.u_len > 31 ? 31 : outstr.u_len); |
915 | udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident); | 935 | udf_debug("volIdent[] = '%s'\n", |
936 | UDF_SB(sb)->s_volume_ident); | ||
916 | } | 937 | } |
917 | } | ||
918 | 938 | ||
919 | if (!udf_build_ustr(&instr, pvoldesc->volSetIdent, 128)) { | 939 | if (!udf_build_ustr(&instr, pvoldesc->volSetIdent, 128)) |
920 | if (udf_CS0toUTF8(&outstr, &instr)) | 940 | if (udf_CS0toUTF8(&outstr, &instr)) |
921 | udf_debug("volSetIdent[] = '%s'\n", outstr.u_name); | 941 | udf_debug("volSetIdent[] = '%s'\n", outstr.u_name); |
922 | } | ||
923 | } | 942 | } |
924 | 943 | ||
925 | static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh, | 944 | static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh, |
@@ -987,18 +1006,30 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) | |||
987 | for (i = 0; i < sbi->s_partitions; i++) { | 1006 | for (i = 0; i < sbi->s_partitions; i++) { |
988 | map = &sbi->s_partmaps[i]; | 1007 | map = &sbi->s_partmaps[i]; |
989 | udf_debug("Searching map: (%d == %d)\n", | 1008 | udf_debug("Searching map: (%d == %d)\n", |
990 | map->s_partition_num, le16_to_cpu(p->partitionNumber)); | 1009 | map->s_partition_num, |
991 | if (map->s_partition_num == le16_to_cpu(p->partitionNumber)) { | 1010 | le16_to_cpu(p->partitionNumber)); |
992 | map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */ | 1011 | if (map->s_partition_num == |
993 | map->s_partition_root = le32_to_cpu(p->partitionStartingLocation); | 1012 | le16_to_cpu(p->partitionNumber)) { |
994 | if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_READ_ONLY) | 1013 | map->s_partition_len = |
995 | map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY; | 1014 | le32_to_cpu(p->partitionLength); /* blocks */ |
996 | if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_WRITE_ONCE) | 1015 | map->s_partition_root = |
997 | map->s_partition_flags |= UDF_PART_FLAG_WRITE_ONCE; | 1016 | le32_to_cpu(p->partitionStartingLocation); |
998 | if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_REWRITABLE) | 1017 | if (le32_to_cpu(p->accessType) == |
999 | map->s_partition_flags |= UDF_PART_FLAG_REWRITABLE; | 1018 | PD_ACCESS_TYPE_READ_ONLY) |
1000 | if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_OVERWRITABLE) | 1019 | map->s_partition_flags |= |
1001 | map->s_partition_flags |= UDF_PART_FLAG_OVERWRITABLE; | 1020 | UDF_PART_FLAG_READ_ONLY; |
1021 | if (le32_to_cpu(p->accessType) == | ||
1022 | PD_ACCESS_TYPE_WRITE_ONCE) | ||
1023 | map->s_partition_flags |= | ||
1024 | UDF_PART_FLAG_WRITE_ONCE; | ||
1025 | if (le32_to_cpu(p->accessType) == | ||
1026 | PD_ACCESS_TYPE_REWRITABLE) | ||
1027 | map->s_partition_flags |= | ||
1028 | UDF_PART_FLAG_REWRITABLE; | ||
1029 | if (le32_to_cpu(p->accessType) == | ||
1030 | PD_ACCESS_TYPE_OVERWRITABLE) | ||
1031 | map->s_partition_flags |= | ||
1032 | UDF_PART_FLAG_OVERWRITABLE; | ||
1002 | 1033 | ||
1003 | if (!strcmp(p->partitionContents.ident, | 1034 | if (!strcmp(p->partitionContents.ident, |
1004 | PD_PARTITION_CONTENTS_NSR02) || | 1035 | PD_PARTITION_CONTENTS_NSR02) || |
@@ -1006,7 +1037,8 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) | |||
1006 | PD_PARTITION_CONTENTS_NSR03)) { | 1037 | PD_PARTITION_CONTENTS_NSR03)) { |
1007 | struct partitionHeaderDesc *phd; | 1038 | struct partitionHeaderDesc *phd; |
1008 | 1039 | ||
1009 | phd = (struct partitionHeaderDesc *)(p->partitionContentsUse); | 1040 | phd = (struct partitionHeaderDesc *) |
1041 | (p->partitionContentsUse); | ||
1010 | if (phd->unallocSpaceTable.extLength) { | 1042 | if (phd->unallocSpaceTable.extLength) { |
1011 | kernel_lb_addr loc = { | 1043 | kernel_lb_addr loc = { |
1012 | .logicalBlockNum = le32_to_cpu(phd->unallocSpaceTable.extPosition), | 1044 | .logicalBlockNum = le32_to_cpu(phd->unallocSpaceTable.extPosition), |
@@ -1019,20 +1051,23 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) | |||
1019 | udf_debug("cannot load unallocSpaceTable (part %d)\n", i); | 1051 | udf_debug("cannot load unallocSpaceTable (part %d)\n", i); |
1020 | return 1; | 1052 | return 1; |
1021 | } | 1053 | } |
1022 | map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_TABLE; | 1054 | map->s_partition_flags |= |
1055 | UDF_PART_FLAG_UNALLOC_TABLE; | ||
1023 | udf_debug("unallocSpaceTable (part %d) @ %ld\n", | 1056 | udf_debug("unallocSpaceTable (part %d) @ %ld\n", |
1024 | i, map->s_uspace.s_table->i_ino); | 1057 | i, map->s_uspace.s_table->i_ino); |
1025 | } | 1058 | } |
1026 | if (phd->unallocSpaceBitmap.extLength) { | 1059 | if (phd->unallocSpaceBitmap.extLength) { |
1027 | map->s_uspace.s_bitmap = udf_sb_alloc_bitmap(sb, i); | 1060 | struct udf_bitmap *bitmap = |
1028 | if (map->s_uspace.s_bitmap != NULL) { | 1061 | udf_sb_alloc_bitmap(sb, i); |
1029 | map->s_uspace.s_bitmap->s_extLength = | 1062 | map->s_uspace.s_bitmap = bitmap; |
1063 | if (bitmap != NULL) { | ||
1064 | bitmap->s_extLength = | ||
1030 | le32_to_cpu(phd->unallocSpaceBitmap.extLength); | 1065 | le32_to_cpu(phd->unallocSpaceBitmap.extLength); |
1031 | map->s_uspace.s_bitmap->s_extPosition = | 1066 | bitmap->s_extPosition = |
1032 | le32_to_cpu(phd->unallocSpaceBitmap.extPosition); | 1067 | le32_to_cpu(phd->unallocSpaceBitmap.extPosition); |
1033 | map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP; | 1068 | map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP; |
1034 | udf_debug("unallocSpaceBitmap (part %d) @ %d\n", | 1069 | udf_debug("unallocSpaceBitmap (part %d) @ %d\n", |
1035 | i, map->s_uspace.s_bitmap->s_extPosition); | 1070 | i, bitmap->s_extPosition); |
1036 | } | 1071 | } |
1037 | } | 1072 | } |
1038 | if (phd->partitionIntegrityTable.extLength) | 1073 | if (phd->partitionIntegrityTable.extLength) |
@@ -1049,37 +1084,39 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) | |||
1049 | udf_debug("cannot load freedSpaceTable (part %d)\n", i); | 1084 | udf_debug("cannot load freedSpaceTable (part %d)\n", i); |
1050 | return 1; | 1085 | return 1; |
1051 | } | 1086 | } |
1052 | map->s_partition_flags |= UDF_PART_FLAG_FREED_TABLE; | 1087 | map->s_partition_flags |= |
1088 | UDF_PART_FLAG_FREED_TABLE; | ||
1053 | udf_debug("freedSpaceTable (part %d) @ %ld\n", | 1089 | udf_debug("freedSpaceTable (part %d) @ %ld\n", |
1054 | i, map->s_fspace.s_table->i_ino); | 1090 | i, map->s_fspace.s_table->i_ino); |
1055 | } | 1091 | } |
1056 | if (phd->freedSpaceBitmap.extLength) { | 1092 | if (phd->freedSpaceBitmap.extLength) { |
1057 | map->s_fspace.s_bitmap = udf_sb_alloc_bitmap(sb, i); | 1093 | struct udf_bitmap *bitmap = |
1058 | if (map->s_fspace.s_bitmap != NULL) { | 1094 | udf_sb_alloc_bitmap(sb, i); |
1059 | map->s_fspace.s_bitmap->s_extLength = | 1095 | map->s_fspace.s_bitmap = bitmap; |
1096 | if (bitmap != NULL) { | ||
1097 | bitmap->s_extLength = | ||
1060 | le32_to_cpu(phd->freedSpaceBitmap.extLength); | 1098 | le32_to_cpu(phd->freedSpaceBitmap.extLength); |
1061 | map->s_fspace.s_bitmap->s_extPosition = | 1099 | bitmap->s_extPosition = |
1062 | le32_to_cpu(phd->freedSpaceBitmap.extPosition); | 1100 | le32_to_cpu(phd->freedSpaceBitmap.extPosition); |
1063 | map->s_partition_flags |= UDF_PART_FLAG_FREED_BITMAP; | 1101 | map->s_partition_flags |= UDF_PART_FLAG_FREED_BITMAP; |
1064 | udf_debug("freedSpaceBitmap (part %d) @ %d\n", | 1102 | udf_debug("freedSpaceBitmap (part %d) @ %d\n", |
1065 | i, map->s_fspace.s_bitmap->s_extPosition); | 1103 | i, bitmap->s_extPosition); |
1066 | } | 1104 | } |
1067 | } | 1105 | } |
1068 | } | 1106 | } |
1069 | break; | 1107 | break; |
1070 | } | 1108 | } |
1071 | } | 1109 | } |
1072 | if (i == sbi->s_partitions) { | 1110 | if (i == sbi->s_partitions) |
1073 | udf_debug("Partition (%d) not found in partition map\n", | 1111 | udf_debug("Partition (%d) not found in partition map\n", |
1074 | le16_to_cpu(p->partitionNumber)); | 1112 | le16_to_cpu(p->partitionNumber)); |
1075 | } else { | 1113 | else |
1076 | udf_debug("Partition (%d:%d type %x) starts at physical %d, " | 1114 | udf_debug("Partition (%d:%d type %x) starts at physical %d, " |
1077 | "block length %d\n", | 1115 | "block length %d\n", |
1078 | le16_to_cpu(p->partitionNumber), i, | 1116 | le16_to_cpu(p->partitionNumber), i, |
1079 | map->s_partition_type, | 1117 | map->s_partition_type, |
1080 | map->s_partition_root, | 1118 | map->s_partition_root, |
1081 | map->s_partition_len); | 1119 | map->s_partition_len); |
1082 | } | ||
1083 | return 0; | 1120 | return 0; |
1084 | } | 1121 | } |
1085 | 1122 | ||
@@ -1090,6 +1127,7 @@ static int udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh, | |||
1090 | int i, j, offset; | 1127 | int i, j, offset; |
1091 | uint8_t type; | 1128 | uint8_t type; |
1092 | struct udf_sb_info *sbi = UDF_SB(sb); | 1129 | struct udf_sb_info *sbi = UDF_SB(sb); |
1130 | struct genericPartitionMap *gpm; | ||
1093 | 1131 | ||
1094 | lvd = (struct logicalVolDesc *)bh->b_data; | 1132 | lvd = (struct logicalVolDesc *)bh->b_data; |
1095 | 1133 | ||
@@ -1099,43 +1137,71 @@ static int udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh, | |||
1099 | 1137 | ||
1100 | for (i = 0, offset = 0; | 1138 | for (i = 0, offset = 0; |
1101 | i < sbi->s_partitions && offset < le32_to_cpu(lvd->mapTableLength); | 1139 | i < sbi->s_partitions && offset < le32_to_cpu(lvd->mapTableLength); |
1102 | i++, offset += ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapLength) { | 1140 | i++, offset += gpm->partitionMapLength) { |
1103 | struct udf_part_map *map = &sbi->s_partmaps[i]; | 1141 | struct udf_part_map *map = &sbi->s_partmaps[i]; |
1104 | type = ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapType; | 1142 | gpm = (struct genericPartitionMap *) |
1143 | &(lvd->partitionMaps[offset]); | ||
1144 | type = gpm->partitionMapType; | ||
1105 | if (type == 1) { | 1145 | if (type == 1) { |
1106 | struct genericPartitionMap1 *gpm1 = (struct genericPartitionMap1 *)&(lvd->partitionMaps[offset]); | 1146 | struct genericPartitionMap1 *gpm1 = |
1147 | (struct genericPartitionMap1 *)gpm; | ||
1107 | map->s_partition_type = UDF_TYPE1_MAP15; | 1148 | map->s_partition_type = UDF_TYPE1_MAP15; |
1108 | map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum); | 1149 | map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum); |
1109 | map->s_partition_num = le16_to_cpu(gpm1->partitionNum); | 1150 | map->s_partition_num = le16_to_cpu(gpm1->partitionNum); |
1110 | map->s_partition_func = NULL; | 1151 | map->s_partition_func = NULL; |
1111 | } else if (type == 2) { | 1152 | } else if (type == 2) { |
1112 | struct udfPartitionMap2 *upm2 = (struct udfPartitionMap2 *)&(lvd->partitionMaps[offset]); | 1153 | struct udfPartitionMap2 *upm2 = |
1113 | if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, strlen(UDF_ID_VIRTUAL))) { | 1154 | (struct udfPartitionMap2 *)gpm; |
1114 | if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0150) { | 1155 | if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, |
1115 | map->s_partition_type = UDF_VIRTUAL_MAP15; | 1156 | strlen(UDF_ID_VIRTUAL))) { |
1116 | map->s_partition_func = udf_get_pblock_virt15; | 1157 | u16 suf = |
1117 | } else if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0200) { | 1158 | le16_to_cpu(((__le16 *)upm2->partIdent. |
1118 | map->s_partition_type = UDF_VIRTUAL_MAP20; | 1159 | identSuffix)[0]); |
1119 | map->s_partition_func = udf_get_pblock_virt20; | 1160 | if (suf == 0x0150) { |
1161 | map->s_partition_type = | ||
1162 | UDF_VIRTUAL_MAP15; | ||
1163 | map->s_partition_func = | ||
1164 | udf_get_pblock_virt15; | ||
1165 | } else if (suf == 0x0200) { | ||
1166 | map->s_partition_type = | ||
1167 | UDF_VIRTUAL_MAP20; | ||
1168 | map->s_partition_func = | ||
1169 | udf_get_pblock_virt20; | ||
1120 | } | 1170 | } |
1121 | } else if (!strncmp(upm2->partIdent.ident, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE))) { | 1171 | } else if (!strncmp(upm2->partIdent.ident, |
1172 | UDF_ID_SPARABLE, | ||
1173 | strlen(UDF_ID_SPARABLE))) { | ||
1122 | uint32_t loc; | 1174 | uint32_t loc; |
1123 | uint16_t ident; | 1175 | uint16_t ident; |
1124 | struct sparingTable *st; | 1176 | struct sparingTable *st; |
1125 | struct sparablePartitionMap *spm = (struct sparablePartitionMap *)&(lvd->partitionMaps[offset]); | 1177 | struct sparablePartitionMap *spm = |
1178 | (struct sparablePartitionMap *)gpm; | ||
1126 | 1179 | ||
1127 | map->s_partition_type = UDF_SPARABLE_MAP15; | 1180 | map->s_partition_type = UDF_SPARABLE_MAP15; |
1128 | map->s_type_specific.s_sparing.s_packet_len = le16_to_cpu(spm->packetLength); | 1181 | map->s_type_specific.s_sparing.s_packet_len = |
1182 | le16_to_cpu(spm->packetLength); | ||
1129 | for (j = 0; j < spm->numSparingTables; j++) { | 1183 | for (j = 0; j < spm->numSparingTables; j++) { |
1130 | loc = le32_to_cpu(spm->locSparingTable[j]); | 1184 | struct buffer_head *bh2; |
1131 | map->s_type_specific.s_sparing.s_spar_map[j] = | 1185 | |
1132 | udf_read_tagged(sb, loc, loc, &ident); | 1186 | loc = le32_to_cpu( |
1133 | if (map->s_type_specific.s_sparing.s_spar_map[j] != NULL) { | 1187 | spm->locSparingTable[j]); |
1134 | st = (struct sparingTable *)map->s_type_specific.s_sparing.s_spar_map[j]->b_data; | 1188 | bh2 = udf_read_tagged(sb, loc, loc, |
1135 | if (ident != 0 || | 1189 | &ident); |
1136 | strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) { | 1190 | map->s_type_specific.s_sparing. |
1137 | brelse(map->s_type_specific.s_sparing.s_spar_map[j]); | 1191 | s_spar_map[j] = bh2; |
1138 | map->s_type_specific.s_sparing.s_spar_map[j] = NULL; | 1192 | |
1193 | if (bh2 != NULL) { | ||
1194 | st = (struct sparingTable *) | ||
1195 | bh2->b_data; | ||
1196 | if (ident != 0 || strncmp( | ||
1197 | st->sparingIdent.ident, | ||
1198 | UDF_ID_SPARING, | ||
1199 | strlen(UDF_ID_SPARING))) { | ||
1200 | brelse(bh2); | ||
1201 | map->s_type_specific. | ||
1202 | s_sparing. | ||
1203 | s_spar_map[j] = | ||
1204 | NULL; | ||
1139 | } | 1205 | } |
1140 | } | 1206 | } |
1141 | } | 1207 | } |
@@ -1218,6 +1284,7 @@ static int udf_process_sequence(struct super_block *sb, long block, | |||
1218 | { | 1284 | { |
1219 | struct buffer_head *bh = NULL; | 1285 | struct buffer_head *bh = NULL; |
1220 | struct udf_vds_record vds[VDS_POS_LENGTH]; | 1286 | struct udf_vds_record vds[VDS_POS_LENGTH]; |
1287 | struct udf_vds_record *curr; | ||
1221 | struct generic_desc *gd; | 1288 | struct generic_desc *gd; |
1222 | struct volDescPtr *vdp; | 1289 | struct volDescPtr *vdp; |
1223 | int done = 0; | 1290 | int done = 0; |
@@ -1240,43 +1307,51 @@ static int udf_process_sequence(struct super_block *sb, long block, | |||
1240 | vdsn = le32_to_cpu(gd->volDescSeqNum); | 1307 | vdsn = le32_to_cpu(gd->volDescSeqNum); |
1241 | switch (ident) { | 1308 | switch (ident) { |
1242 | case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */ | 1309 | case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */ |
1243 | if (vdsn >= vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum) { | 1310 | curr = &vds[VDS_POS_PRIMARY_VOL_DESC]; |
1244 | vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = vdsn; | 1311 | if (vdsn >= curr->volDescSeqNum) { |
1245 | vds[VDS_POS_PRIMARY_VOL_DESC].block = block; | 1312 | curr->volDescSeqNum = vdsn; |
1313 | curr->block = block; | ||
1246 | } | 1314 | } |
1247 | break; | 1315 | break; |
1248 | case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */ | 1316 | case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */ |
1249 | if (vdsn >= vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum) { | 1317 | curr = &vds[VDS_POS_VOL_DESC_PTR]; |
1250 | vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum = vdsn; | 1318 | if (vdsn >= curr->volDescSeqNum) { |
1251 | vds[VDS_POS_VOL_DESC_PTR].block = block; | 1319 | curr->volDescSeqNum = vdsn; |
1320 | curr->block = block; | ||
1252 | 1321 | ||
1253 | vdp = (struct volDescPtr *)bh->b_data; | 1322 | vdp = (struct volDescPtr *)bh->b_data; |
1254 | next_s = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation); | 1323 | next_s = le32_to_cpu( |
1255 | next_e = le32_to_cpu(vdp->nextVolDescSeqExt.extLength); | 1324 | vdp->nextVolDescSeqExt.extLocation); |
1325 | next_e = le32_to_cpu( | ||
1326 | vdp->nextVolDescSeqExt.extLength); | ||
1256 | next_e = next_e >> sb->s_blocksize_bits; | 1327 | next_e = next_e >> sb->s_blocksize_bits; |
1257 | next_e += next_s; | 1328 | next_e += next_s; |
1258 | } | 1329 | } |
1259 | break; | 1330 | break; |
1260 | case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */ | 1331 | case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */ |
1261 | if (vdsn >= vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum) { | 1332 | curr = &vds[VDS_POS_IMP_USE_VOL_DESC]; |
1262 | vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = vdsn; | 1333 | if (vdsn >= curr->volDescSeqNum) { |
1263 | vds[VDS_POS_IMP_USE_VOL_DESC].block = block; | 1334 | curr->volDescSeqNum = vdsn; |
1335 | curr->block = block; | ||
1264 | } | 1336 | } |
1265 | break; | 1337 | break; |
1266 | case TAG_IDENT_PD: /* ISO 13346 3/10.5 */ | 1338 | case TAG_IDENT_PD: /* ISO 13346 3/10.5 */ |
1267 | if (!vds[VDS_POS_PARTITION_DESC].block) | 1339 | curr = &vds[VDS_POS_PARTITION_DESC]; |
1268 | vds[VDS_POS_PARTITION_DESC].block = block; | 1340 | if (!curr->block) |
1341 | curr->block = block; | ||
1269 | break; | 1342 | break; |
1270 | case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */ | 1343 | case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */ |
1271 | if (vdsn >= vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum) { | 1344 | curr = &vds[VDS_POS_LOGICAL_VOL_DESC]; |
1272 | vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = vdsn; | 1345 | if (vdsn >= curr->volDescSeqNum) { |
1273 | vds[VDS_POS_LOGICAL_VOL_DESC].block = block; | 1346 | curr->volDescSeqNum = vdsn; |
1347 | curr->block = block; | ||
1274 | } | 1348 | } |
1275 | break; | 1349 | break; |
1276 | case TAG_IDENT_USD: /* ISO 13346 3/10.8 */ | 1350 | case TAG_IDENT_USD: /* ISO 13346 3/10.8 */ |
1277 | if (vdsn >= vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) { | 1351 | curr = &vds[VDS_POS_UNALLOC_SPACE_DESC]; |
1278 | vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum = vdsn; | 1352 | if (vdsn >= curr->volDescSeqNum) { |
1279 | vds[VDS_POS_UNALLOC_SPACE_DESC].block = block; | 1353 | curr->volDescSeqNum = vdsn; |
1354 | curr->block = block; | ||
1280 | } | 1355 | } |
1281 | break; | 1356 | break; |
1282 | case TAG_IDENT_TD: /* ISO 13346 3/10.9 */ | 1357 | case TAG_IDENT_TD: /* ISO 13346 3/10.9 */ |
@@ -1285,9 +1360,8 @@ static int udf_process_sequence(struct super_block *sb, long block, | |||
1285 | block = next_s; | 1360 | block = next_s; |
1286 | lastblock = next_e; | 1361 | lastblock = next_e; |
1287 | next_s = next_e = 0; | 1362 | next_s = next_e = 0; |
1288 | } else { | 1363 | } else |
1289 | done = 1; | 1364 | done = 1; |
1290 | } | ||
1291 | break; | 1365 | break; |
1292 | } | 1366 | } |
1293 | brelse(bh); | 1367 | brelse(bh); |
@@ -1379,14 +1453,18 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) | |||
1379 | anchor = (struct anchorVolDescPtr *)bh->b_data; | 1453 | anchor = (struct anchorVolDescPtr *)bh->b_data; |
1380 | 1454 | ||
1381 | /* Locate the main sequence */ | 1455 | /* Locate the main sequence */ |
1382 | main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation); | 1456 | main_s = le32_to_cpu( |
1383 | main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength); | 1457 | anchor->mainVolDescSeqExt.extLocation); |
1458 | main_e = le32_to_cpu( | ||
1459 | anchor->mainVolDescSeqExt.extLength); | ||
1384 | main_e = main_e >> sb->s_blocksize_bits; | 1460 | main_e = main_e >> sb->s_blocksize_bits; |
1385 | main_e += main_s; | 1461 | main_e += main_s; |
1386 | 1462 | ||
1387 | /* Locate the reserve sequence */ | 1463 | /* Locate the reserve sequence */ |
1388 | reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation); | 1464 | reserve_s = le32_to_cpu( |
1389 | reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength); | 1465 | anchor->reserveVolDescSeqExt.extLocation); |
1466 | reserve_e = le32_to_cpu( | ||
1467 | anchor->reserveVolDescSeqExt.extLength); | ||
1390 | reserve_e = reserve_e >> sb->s_blocksize_bits; | 1468 | reserve_e = reserve_e >> sb->s_blocksize_bits; |
1391 | reserve_e += reserve_s; | 1469 | reserve_e += reserve_s; |
1392 | 1470 | ||
@@ -1394,8 +1472,10 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) | |||
1394 | 1472 | ||
1395 | /* Process the main & reserve sequences */ | 1473 | /* Process the main & reserve sequences */ |
1396 | /* responsible for finding the PartitionDesc(s) */ | 1474 | /* responsible for finding the PartitionDesc(s) */ |
1397 | if (!(udf_process_sequence(sb, main_s, main_e, fileset) && | 1475 | if (!(udf_process_sequence(sb, main_s, main_e, |
1398 | udf_process_sequence(sb, reserve_s, reserve_e, fileset))) | 1476 | fileset) && |
1477 | udf_process_sequence(sb, reserve_s, reserve_e, | ||
1478 | fileset))) | ||
1399 | break; | 1479 | break; |
1400 | } | 1480 | } |
1401 | } | 1481 | } |
@@ -1426,10 +1506,14 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) | |||
1426 | for (j = 0; j < sbi->s_partitions; j++) { | 1506 | for (j = 0; j < sbi->s_partitions; j++) { |
1427 | struct udf_part_map *map2 = &sbi->s_partmaps[j]; | 1507 | struct udf_part_map *map2 = &sbi->s_partmaps[j]; |
1428 | if (j != i && | 1508 | if (j != i && |
1429 | map->s_volumeseqnum == map2->s_volumeseqnum && | 1509 | map->s_volumeseqnum == |
1430 | map->s_partition_num == map2->s_partition_num) { | 1510 | map2->s_volumeseqnum && |
1511 | map->s_partition_num == | ||
1512 | map2->s_partition_num) { | ||
1431 | ino.partitionReferenceNum = j; | 1513 | ino.partitionReferenceNum = j; |
1432 | ino.logicalBlockNum = sbi->s_last_block - map2->s_partition_root; | 1514 | ino.logicalBlockNum = |
1515 | sbi->s_last_block - | ||
1516 | map2->s_partition_root; | ||
1433 | break; | 1517 | break; |
1434 | } | 1518 | } |
1435 | } | 1519 | } |
@@ -1448,17 +1532,22 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) | |||
1448 | (sbi->s_vat_inode->i_size - 36) >> 2; | 1532 | (sbi->s_vat_inode->i_size - 36) >> 2; |
1449 | } else if (map->s_partition_type == UDF_VIRTUAL_MAP20) { | 1533 | } else if (map->s_partition_type == UDF_VIRTUAL_MAP20) { |
1450 | uint32_t pos; | 1534 | uint32_t pos; |
1535 | struct virtualAllocationTable20 *vat20; | ||
1451 | 1536 | ||
1452 | pos = udf_block_map(sbi->s_vat_inode, 0); | 1537 | pos = udf_block_map(sbi->s_vat_inode, 0); |
1453 | bh = sb_bread(sb, pos); | 1538 | bh = sb_bread(sb, pos); |
1454 | if (!bh) | 1539 | if (!bh) |
1455 | return 1; | 1540 | return 1; |
1541 | vat20 = (struct virtualAllocationTable20 *) | ||
1542 | bh->b_data + | ||
1543 | udf_ext0_offset(sbi->s_vat_inode); | ||
1456 | map->s_type_specific.s_virtual.s_start_offset = | 1544 | map->s_type_specific.s_virtual.s_start_offset = |
1457 | le16_to_cpu(((struct virtualAllocationTable20 *)bh->b_data + | 1545 | le16_to_cpu(vat20->lengthHeader) + |
1458 | udf_ext0_offset(sbi->s_vat_inode))->lengthHeader) + | ||
1459 | udf_ext0_offset(sbi->s_vat_inode); | 1546 | udf_ext0_offset(sbi->s_vat_inode); |
1460 | map->s_type_specific.s_virtual.s_num_entries = (sbi->s_vat_inode->i_size - | 1547 | map->s_type_specific.s_virtual.s_num_entries = |
1461 | map->s_type_specific.s_virtual.s_start_offset) >> 2; | 1548 | (sbi->s_vat_inode->i_size - |
1549 | map->s_type_specific.s_virtual. | ||
1550 | s_start_offset) >> 2; | ||
1462 | brelse(bh); | 1551 | brelse(bh); |
1463 | } | 1552 | } |
1464 | map->s_partition_root = udf_get_pblock(sb, 0, i, 0); | 1553 | map->s_partition_root = udf_get_pblock(sb, 0, i, 0); |
@@ -1477,8 +1566,10 @@ static void udf_open_lvid(struct super_block *sb) | |||
1477 | if (bh) { | 1566 | if (bh) { |
1478 | int i; | 1567 | int i; |
1479 | kernel_timestamp cpu_time; | 1568 | kernel_timestamp cpu_time; |
1480 | struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)bh->b_data; | 1569 | struct logicalVolIntegrityDesc *lvid = |
1481 | struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sbi); | 1570 | (struct logicalVolIntegrityDesc *)bh->b_data; |
1571 | struct logicalVolIntegrityDescImpUse *lvidiu = | ||
1572 | udf_sb_lvidiu(sbi); | ||
1482 | 1573 | ||
1483 | lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; | 1574 | lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; |
1484 | lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; | 1575 | lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; |
@@ -1486,8 +1577,10 @@ static void udf_open_lvid(struct super_block *sb) | |||
1486 | lvid->recordingDateAndTime = cpu_to_lets(cpu_time); | 1577 | lvid->recordingDateAndTime = cpu_to_lets(cpu_time); |
1487 | lvid->integrityType = LVID_INTEGRITY_TYPE_OPEN; | 1578 | lvid->integrityType = LVID_INTEGRITY_TYPE_OPEN; |
1488 | 1579 | ||
1489 | lvid->descTag.descCRC = cpu_to_le16(udf_crc((char *)lvid + sizeof(tag), | 1580 | lvid->descTag.descCRC = cpu_to_le16( |
1490 | le16_to_cpu(lvid->descTag.descCRCLength), 0)); | 1581 | udf_crc((char *)lvid + sizeof(tag), |
1582 | le16_to_cpu(lvid->descTag.descCRCLength), | ||
1583 | 0)); | ||
1491 | 1584 | ||
1492 | lvid->descTag.tagChecksum = 0; | 1585 | lvid->descTag.tagChecksum = 0; |
1493 | for (i = 0; i < 16; i++) | 1586 | for (i = 0; i < 16; i++) |
@@ -1513,22 +1606,25 @@ static void udf_close_lvid(struct super_block *sb) | |||
1513 | lvid = (struct logicalVolIntegrityDesc *)bh->b_data; | 1606 | lvid = (struct logicalVolIntegrityDesc *)bh->b_data; |
1514 | 1607 | ||
1515 | if (lvid->integrityType == LVID_INTEGRITY_TYPE_OPEN) { | 1608 | if (lvid->integrityType == LVID_INTEGRITY_TYPE_OPEN) { |
1516 | struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sbi); | 1609 | struct logicalVolIntegrityDescImpUse *lvidiu = |
1610 | udf_sb_lvidiu(sbi); | ||
1517 | lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; | 1611 | lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; |
1518 | lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; | 1612 | lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; |
1519 | if (udf_time_to_stamp(&cpu_time, CURRENT_TIME)) | 1613 | if (udf_time_to_stamp(&cpu_time, CURRENT_TIME)) |
1520 | lvid->recordingDateAndTime = cpu_to_lets(cpu_time); | 1614 | lvid->recordingDateAndTime = cpu_to_lets(cpu_time); |
1521 | if (UDF_MAX_WRITE_VERSION > le16_to_cpu(lvidiu->maxUDFWriteRev)) | 1615 | if (UDF_MAX_WRITE_VERSION > le16_to_cpu(lvidiu->maxUDFWriteRev)) |
1522 | lvidiu->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION); | 1616 | lvidiu->maxUDFWriteRev = |
1617 | cpu_to_le16(UDF_MAX_WRITE_VERSION); | ||
1523 | if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFReadRev)) | 1618 | if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFReadRev)) |
1524 | lvidiu->minUDFReadRev = cpu_to_le16(sbi->s_udfrev); | 1619 | lvidiu->minUDFReadRev = cpu_to_le16(sbi->s_udfrev); |
1525 | if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFWriteRev)) | 1620 | if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFWriteRev)) |
1526 | lvidiu->minUDFWriteRev = cpu_to_le16(sbi->s_udfrev); | 1621 | lvidiu->minUDFWriteRev = cpu_to_le16(sbi->s_udfrev); |
1527 | lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); | 1622 | lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); |
1528 | 1623 | ||
1529 | lvid->descTag.descCRC = | 1624 | lvid->descTag.descCRC = cpu_to_le16( |
1530 | cpu_to_le16(udf_crc((char *)lvid + sizeof(tag), | 1625 | udf_crc((char *)lvid + sizeof(tag), |
1531 | le16_to_cpu(lvid->descTag.descCRCLength), 0)); | 1626 | le16_to_cpu(lvid->descTag.descCRCLength), |
1627 | 0)); | ||
1532 | 1628 | ||
1533 | lvid->descTag.tagChecksum = 0; | 1629 | lvid->descTag.tagChecksum = 0; |
1534 | for (i = 0; i < 16; i++) | 1630 | for (i = 0; i < 16; i++) |
@@ -1544,7 +1640,8 @@ static void udf_sb_free_bitmap(struct udf_bitmap *bitmap) | |||
1544 | { | 1640 | { |
1545 | int i; | 1641 | int i; |
1546 | int nr_groups = bitmap->s_nr_groups; | 1642 | int nr_groups = bitmap->s_nr_groups; |
1547 | int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups); | 1643 | int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * |
1644 | nr_groups); | ||
1548 | 1645 | ||
1549 | for (i = 0; i < nr_groups; i++) | 1646 | for (i = 0; i < nr_groups; i++) |
1550 | if (bitmap->s_block_bitmap[i]) | 1647 | if (bitmap->s_block_bitmap[i]) |
@@ -1662,19 +1759,21 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) | |||
1662 | udf_debug("Lastblock=%d\n", sbi->s_last_block); | 1759 | udf_debug("Lastblock=%d\n", sbi->s_last_block); |
1663 | 1760 | ||
1664 | if (sbi->s_lvid_bh) { | 1761 | if (sbi->s_lvid_bh) { |
1665 | struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sbi); | 1762 | struct logicalVolIntegrityDescImpUse *lvidiu = |
1763 | udf_sb_lvidiu(sbi); | ||
1666 | uint16_t minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev); | 1764 | uint16_t minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev); |
1667 | uint16_t minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev); | 1765 | uint16_t minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev); |
1668 | /* uint16_t maxUDFWriteRev = le16_to_cpu(lvidiu->maxUDFWriteRev); */ | 1766 | /* uint16_t maxUDFWriteRev = |
1767 | le16_to_cpu(lvidiu->maxUDFWriteRev); */ | ||
1669 | 1768 | ||
1670 | if (minUDFReadRev > UDF_MAX_READ_VERSION) { | 1769 | if (minUDFReadRev > UDF_MAX_READ_VERSION) { |
1671 | printk(KERN_ERR "UDF-fs: minUDFReadRev=%x (max is %x)\n", | 1770 | printk(KERN_ERR "UDF-fs: minUDFReadRev=%x " |
1771 | "(max is %x)\n", | ||
1672 | le16_to_cpu(lvidiu->minUDFReadRev), | 1772 | le16_to_cpu(lvidiu->minUDFReadRev), |
1673 | UDF_MAX_READ_VERSION); | 1773 | UDF_MAX_READ_VERSION); |
1674 | goto error_out; | 1774 | goto error_out; |
1675 | } else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION) { | 1775 | } else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION) |
1676 | sb->s_flags |= MS_RDONLY; | 1776 | sb->s_flags |= MS_RDONLY; |
1677 | } | ||
1678 | 1777 | ||
1679 | sbi->s_udfrev = minUDFWriteRev; | 1778 | sbi->s_udfrev = minUDFWriteRev; |
1680 | 1779 | ||
@@ -1689,8 +1788,10 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) | |||
1689 | goto error_out; | 1788 | goto error_out; |
1690 | } | 1789 | } |
1691 | 1790 | ||
1692 | if (sbi->s_partmaps[sbi->s_partition].s_partition_flags & UDF_PART_FLAG_READ_ONLY) { | 1791 | if (sbi->s_partmaps[sbi->s_partition].s_partition_flags & |
1693 | printk(KERN_NOTICE "UDF-fs: Partition marked readonly; forcing readonly mount\n"); | 1792 | UDF_PART_FLAG_READ_ONLY) { |
1793 | printk(KERN_NOTICE "UDF-fs: Partition marked readonly; " | ||
1794 | "forcing readonly mount\n"); | ||
1694 | sb->s_flags |= MS_RDONLY; | 1795 | sb->s_flags |= MS_RDONLY; |
1695 | } | 1796 | } |
1696 | 1797 | ||
@@ -1716,7 +1817,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) | |||
1716 | /* perhaps it's not extensible enough, but for now ... */ | 1817 | /* perhaps it's not extensible enough, but for now ... */ |
1717 | inode = udf_iget(sb, rootdir); | 1818 | inode = udf_iget(sb, rootdir); |
1718 | if (!inode) { | 1819 | if (!inode) { |
1719 | printk(KERN_ERR "UDF-fs: Error in udf_iget, block=%d, partition=%d\n", | 1820 | printk(KERN_ERR "UDF-fs: Error in udf_iget, block=%d, " |
1821 | "partition=%d\n", | ||
1720 | rootdir.logicalBlockNum, rootdir.partitionReferenceNum); | 1822 | rootdir.logicalBlockNum, rootdir.partitionReferenceNum); |
1721 | goto error_out; | 1823 | goto error_out; |
1722 | } | 1824 | } |
@@ -1746,7 +1848,8 @@ error_out: | |||
1746 | udf_sb_free_bitmap(map->s_fspace.s_bitmap); | 1848 | udf_sb_free_bitmap(map->s_fspace.s_bitmap); |
1747 | if (map->s_partition_type == UDF_SPARABLE_MAP15) | 1849 | if (map->s_partition_type == UDF_SPARABLE_MAP15) |
1748 | for (i = 0; i < 4; i++) | 1850 | for (i = 0; i < 4; i++) |
1749 | brelse(map->s_type_specific.s_sparing.s_spar_map[i]); | 1851 | brelse(map->s_type_specific.s_sparing. |
1852 | s_spar_map[i]); | ||
1750 | } | 1853 | } |
1751 | #ifdef CONFIG_UDF_NLS | 1854 | #ifdef CONFIG_UDF_NLS |
1752 | if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) | 1855 | if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) |
@@ -1824,7 +1927,8 @@ static void udf_put_super(struct super_block *sb) | |||
1824 | udf_sb_free_bitmap(map->s_fspace.s_bitmap); | 1927 | udf_sb_free_bitmap(map->s_fspace.s_bitmap); |
1825 | if (map->s_partition_type == UDF_SPARABLE_MAP15) | 1928 | if (map->s_partition_type == UDF_SPARABLE_MAP15) |
1826 | for (i = 0; i < 4; i++) | 1929 | for (i = 0; i < 4; i++) |
1827 | brelse(map->s_type_specific.s_sparing.s_spar_map[i]); | 1930 | brelse(map->s_type_specific.s_sparing. |
1931 | s_spar_map[i]); | ||
1828 | } | 1932 | } |
1829 | #ifdef CONFIG_UDF_NLS | 1933 | #ifdef CONFIG_UDF_NLS |
1830 | if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) | 1934 | if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) |
@@ -1881,7 +1985,8 @@ static unsigned char udf_bitmap_lookup[16] = { | |||
1881 | 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 | 1985 | 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 |
1882 | }; | 1986 | }; |
1883 | 1987 | ||
1884 | static unsigned int udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) | 1988 | static unsigned int udf_count_free_bitmap(struct super_block *sb, |
1989 | struct udf_bitmap *bitmap) | ||
1885 | { | 1990 | { |
1886 | struct buffer_head *bh = NULL; | 1991 | struct buffer_head *bh = NULL; |
1887 | unsigned int accum = 0; | 1992 | unsigned int accum = 0; |
@@ -1942,7 +2047,8 @@ out: | |||
1942 | return accum; | 2047 | return accum; |
1943 | } | 2048 | } |
1944 | 2049 | ||
1945 | static unsigned int udf_count_free_table(struct super_block *sb, struct inode *table) | 2050 | static unsigned int udf_count_free_table(struct super_block *sb, |
2051 | struct inode *table) | ||
1946 | { | 2052 | { |
1947 | unsigned int accum = 0; | 2053 | unsigned int accum = 0; |
1948 | uint32_t elen; | 2054 | uint32_t elen; |
@@ -1974,9 +2080,12 @@ static unsigned int udf_count_free(struct super_block *sb) | |||
1974 | 2080 | ||
1975 | sbi = UDF_SB(sb); | 2081 | sbi = UDF_SB(sb); |
1976 | if (sbi->s_lvid_bh) { | 2082 | if (sbi->s_lvid_bh) { |
1977 | struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data; | 2083 | struct logicalVolIntegrityDesc *lvid = |
2084 | (struct logicalVolIntegrityDesc *) | ||
2085 | sbi->s_lvid_bh->b_data; | ||
1978 | if (le32_to_cpu(lvid->numOfPartitions) > sbi->s_partition) { | 2086 | if (le32_to_cpu(lvid->numOfPartitions) > sbi->s_partition) { |
1979 | accum = le32_to_cpu(lvid->freeSpaceTable[sbi->s_partition]); | 2087 | accum = le32_to_cpu( |
2088 | lvid->freeSpaceTable[sbi->s_partition]); | ||
1980 | if (accum == 0xFFFFFFFF) | 2089 | if (accum == 0xFFFFFFFF) |
1981 | accum = 0; | 2090 | accum = 0; |
1982 | } | 2091 | } |