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Diffstat (limited to 'fs/udf/super.c')
-rw-r--r--fs/udf/super.c322
1 files changed, 163 insertions, 159 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 99cb81d0077f..7949c338efa5 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -64,14 +64,13 @@
#include <linux/init.h>
#include <linux/uaccess.h>
-#define VDS_POS_PRIMARY_VOL_DESC 0
-#define VDS_POS_UNALLOC_SPACE_DESC 1
-#define VDS_POS_LOGICAL_VOL_DESC 2
-#define VDS_POS_PARTITION_DESC 3
-#define VDS_POS_IMP_USE_VOL_DESC 4
-#define VDS_POS_VOL_DESC_PTR 5
-#define VDS_POS_TERMINATING_DESC 6
-#define VDS_POS_LENGTH 7
+enum {
+ VDS_POS_PRIMARY_VOL_DESC,
+ VDS_POS_UNALLOC_SPACE_DESC,
+ VDS_POS_LOGICAL_VOL_DESC,
+ VDS_POS_IMP_USE_VOL_DESC,
+ VDS_POS_LENGTH
+};
#define VSD_FIRST_SECTOR_OFFSET 32768
#define VSD_MAX_SECTOR_OFFSET 0x800000
@@ -223,10 +222,6 @@ struct udf_options {
unsigned int session;
unsigned int lastblock;
unsigned int anchor;
- unsigned int volume;
- unsigned short partition;
- unsigned int fileset;
- unsigned int rootdir;
unsigned int flags;
umode_t umask;
kgid_t gid;
@@ -349,12 +344,8 @@ static int udf_show_options(struct seq_file *seq, struct dentry *root)
seq_puts(seq, ",shortad");
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UID_FORGET))
seq_puts(seq, ",uid=forget");
- if (UDF_QUERY_FLAG(sb, UDF_FLAG_UID_IGNORE))
- seq_puts(seq, ",uid=ignore");
if (UDF_QUERY_FLAG(sb, UDF_FLAG_GID_FORGET))
seq_puts(seq, ",gid=forget");
- if (UDF_QUERY_FLAG(sb, UDF_FLAG_GID_IGNORE))
- seq_puts(seq, ",gid=ignore");
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UID_SET))
seq_printf(seq, ",uid=%u", from_kuid(&init_user_ns, sbi->s_uid));
if (UDF_QUERY_FLAG(sb, UDF_FLAG_GID_SET))
@@ -366,15 +357,11 @@ static int udf_show_options(struct seq_file *seq, struct dentry *root)
if (sbi->s_dmode != UDF_INVALID_MODE)
seq_printf(seq, ",dmode=%ho", sbi->s_dmode);
if (UDF_QUERY_FLAG(sb, UDF_FLAG_SESSION_SET))
- seq_printf(seq, ",session=%u", sbi->s_session);
+ seq_printf(seq, ",session=%d", sbi->s_session);
if (UDF_QUERY_FLAG(sb, UDF_FLAG_LASTBLOCK_SET))
seq_printf(seq, ",lastblock=%u", sbi->s_last_block);
if (sbi->s_anchor != 0)
seq_printf(seq, ",anchor=%u", sbi->s_anchor);
- /*
- * volume, partition, fileset and rootdir seem to be ignored
- * currently
- */
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8))
seq_puts(seq, ",utf8");
if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP) && sbi->s_nls_map)
@@ -487,14 +474,9 @@ static int udf_parse_options(char *options, struct udf_options *uopt,
int option;
uopt->novrs = 0;
- uopt->partition = 0xFFFF;
uopt->session = 0xFFFFFFFF;
uopt->lastblock = 0;
uopt->anchor = 0;
- uopt->volume = 0xFFFFFFFF;
- uopt->rootdir = 0xFFFFFFFF;
- uopt->fileset = 0xFFFFFFFF;
- uopt->nls_map = NULL;
if (!options)
return 1;
@@ -582,42 +564,30 @@ static int udf_parse_options(char *options, struct udf_options *uopt,
uopt->anchor = option;
break;
case Opt_volume:
- if (match_int(args, &option))
- return 0;
- uopt->volume = option;
- break;
case Opt_partition:
- if (match_int(args, &option))
- return 0;
- uopt->partition = option;
- break;
case Opt_fileset:
- if (match_int(args, &option))
- return 0;
- uopt->fileset = option;
- break;
case Opt_rootdir:
- if (match_int(args, &option))
- return 0;
- uopt->rootdir = option;
+ /* Ignored (never implemented properly) */
break;
case Opt_utf8:
uopt->flags |= (1 << UDF_FLAG_UTF8);
break;
#ifdef CONFIG_UDF_NLS
case Opt_iocharset:
- uopt->nls_map = load_nls(args[0].from);
- uopt->flags |= (1 << UDF_FLAG_NLS_MAP);
+ if (!remount) {
+ if (uopt->nls_map)
+ unload_nls(uopt->nls_map);
+ uopt->nls_map = load_nls(args[0].from);
+ uopt->flags |= (1 << UDF_FLAG_NLS_MAP);
+ }
break;
#endif
- case Opt_uignore:
- uopt->flags |= (1 << UDF_FLAG_UID_IGNORE);
- break;
case Opt_uforget:
uopt->flags |= (1 << UDF_FLAG_UID_FORGET);
break;
+ case Opt_uignore:
case Opt_gignore:
- uopt->flags |= (1 << UDF_FLAG_GID_IGNORE);
+ /* These options are superseeded by uid=<number> */
break;
case Opt_gforget:
uopt->flags |= (1 << UDF_FLAG_GID_FORGET);
@@ -650,7 +620,7 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
sync_filesystem(sb);
if (lvidiu) {
int write_rev = le16_to_cpu(lvidiu->minUDFWriteRev);
- if (write_rev > UDF_MAX_WRITE_VERSION && !(*flags & MS_RDONLY))
+ if (write_rev > UDF_MAX_WRITE_VERSION && !(*flags & SB_RDONLY))
return -EACCES;
}
@@ -660,6 +630,7 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
uopt.umask = sbi->s_umask;
uopt.fmode = sbi->s_fmode;
uopt.dmode = sbi->s_dmode;
+ uopt.nls_map = NULL;
if (!udf_parse_options(options, &uopt, true))
return -EINVAL;
@@ -673,10 +644,10 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
sbi->s_dmode = uopt.dmode;
write_unlock(&sbi->s_cred_lock);
- if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb))
+ if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb))
goto out_unlock;
- if (*flags & MS_RDONLY)
+ if (*flags & SB_RDONLY)
udf_close_lvid(sb);
else
udf_open_lvid(sb);
@@ -703,9 +674,9 @@ static loff_t udf_check_vsd(struct super_block *sb)
else
sectorsize = sb->s_blocksize;
- sector += (sbi->s_session << sb->s_blocksize_bits);
+ sector += (((loff_t)sbi->s_session) << sb->s_blocksize_bits);
- udf_debug("Starting at sector %u (%ld byte sectors)\n",
+ udf_debug("Starting at sector %u (%lu byte sectors)\n",
(unsigned int)(sector >> sb->s_blocksize_bits),
sb->s_blocksize);
/* Process the sequence (if applicable). The hard limit on the sector
@@ -868,7 +839,7 @@ static int udf_find_fileset(struct super_block *sb,
if ((fileset->logicalBlockNum != 0xFFFFFFFF ||
fileset->partitionReferenceNum != 0xFFFF) && bh) {
- udf_debug("Fileset at block=%d, partition=%d\n",
+ udf_debug("Fileset at block=%u, partition=%u\n",
fileset->logicalBlockNum,
fileset->partitionReferenceNum);
@@ -981,14 +952,14 @@ static int udf_load_metadata_files(struct super_block *sb, int partition,
mdata->s_phys_partition_ref = type1_index;
/* metadata address */
- udf_debug("Metadata file location: block = %d part = %d\n",
+ udf_debug("Metadata file location: block = %u part = %u\n",
mdata->s_meta_file_loc, mdata->s_phys_partition_ref);
fe = udf_find_metadata_inode_efe(sb, mdata->s_meta_file_loc,
mdata->s_phys_partition_ref);
if (IS_ERR(fe)) {
/* mirror file entry */
- udf_debug("Mirror metadata file location: block = %d part = %d\n",
+ udf_debug("Mirror metadata file location: block = %u part = %u\n",
mdata->s_mirror_file_loc, mdata->s_phys_partition_ref);
fe = udf_find_metadata_inode_efe(sb, mdata->s_mirror_file_loc,
@@ -1012,7 +983,7 @@ static int udf_load_metadata_files(struct super_block *sb, int partition,
addr.logicalBlockNum = mdata->s_bitmap_file_loc;
addr.partitionReferenceNum = mdata->s_phys_partition_ref;
- udf_debug("Bitmap file location: block = %d part = %d\n",
+ udf_debug("Bitmap file location: block = %u part = %u\n",
addr.logicalBlockNum, addr.partitionReferenceNum);
fe = udf_iget_special(sb, &addr);
@@ -1042,7 +1013,7 @@ static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh,
UDF_SB(sb)->s_serial_number = le16_to_cpu(fset->descTag.tagSerialNum);
- udf_debug("Rootdir at block=%d, partition=%d\n",
+ udf_debug("Rootdir at block=%u, partition=%u\n",
root->logicalBlockNum, root->partitionReferenceNum);
}
@@ -1097,7 +1068,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_OVERWRITABLE))
map->s_partition_flags |= UDF_PART_FLAG_OVERWRITABLE;
- udf_debug("Partition (%d type %x) starts at physical %d, block length %d\n",
+ udf_debug("Partition (%d type %x) starts at physical %u, block length %u\n",
p_index, map->s_partition_type,
map->s_partition_root, map->s_partition_len);
@@ -1122,7 +1093,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
}
map->s_uspace.s_table = inode;
map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_TABLE;
- udf_debug("unallocSpaceTable (part %d) @ %ld\n",
+ udf_debug("unallocSpaceTable (part %d) @ %lu\n",
p_index, map->s_uspace.s_table->i_ino);
}
@@ -1134,7 +1105,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
bitmap->s_extPosition = le32_to_cpu(
phd->unallocSpaceBitmap.extPosition);
map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP;
- udf_debug("unallocSpaceBitmap (part %d) @ %d\n",
+ udf_debug("unallocSpaceBitmap (part %d) @ %u\n",
p_index, bitmap->s_extPosition);
}
@@ -1157,7 +1128,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
}
map->s_fspace.s_table = inode;
map->s_partition_flags |= UDF_PART_FLAG_FREED_TABLE;
- udf_debug("freedSpaceTable (part %d) @ %ld\n",
+ udf_debug("freedSpaceTable (part %d) @ %lu\n",
p_index, map->s_fspace.s_table->i_ino);
}
@@ -1169,7 +1140,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
bitmap->s_extPosition = le32_to_cpu(
phd->freedSpaceBitmap.extPosition);
map->s_partition_flags |= UDF_PART_FLAG_FREED_BITMAP;
- udf_debug("freedSpaceBitmap (part %d) @ %d\n",
+ udf_debug("freedSpaceBitmap (part %d) @ %u\n",
p_index, bitmap->s_extPosition);
}
return 0;
@@ -1282,7 +1253,7 @@ static int udf_load_partdesc(struct super_block *sb, sector_t block)
/* First scan for TYPE1 and SPARABLE partitions */
for (i = 0; i < sbi->s_partitions; i++) {
map = &sbi->s_partmaps[i];
- udf_debug("Searching map: (%d == %d)\n",
+ udf_debug("Searching map: (%u == %u)\n",
map->s_partition_num, partitionNumber);
if (map->s_partition_num == partitionNumber &&
(map->s_partition_type == UDF_TYPE1_MAP15 ||
@@ -1291,7 +1262,7 @@ static int udf_load_partdesc(struct super_block *sb, sector_t block)
}
if (i >= sbi->s_partitions) {
- udf_debug("Partition (%d) not found in partition map\n",
+ udf_debug("Partition (%u) not found in partition map\n",
partitionNumber);
ret = 0;
goto out_bh;
@@ -1483,7 +1454,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
struct metadataPartitionMap *mdm =
(struct metadataPartitionMap *)
&(lvd->partitionMaps[offset]);
- udf_debug("Parsing Logical vol part %d type %d id=%s\n",
+ udf_debug("Parsing Logical vol part %d type %u id=%s\n",
i, type, UDF_ID_METADATA);
map->s_partition_type = UDF_METADATA_MAP25;
@@ -1505,17 +1476,17 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
udf_debug("Metadata Ident suffix=0x%x\n",
le16_to_cpu(*(__le16 *)
mdm->partIdent.identSuffix));
- udf_debug("Metadata part num=%d\n",
+ udf_debug("Metadata part num=%u\n",
le16_to_cpu(mdm->partitionNum));
- udf_debug("Metadata part alloc unit size=%d\n",
+ udf_debug("Metadata part alloc unit size=%u\n",
le32_to_cpu(mdm->allocUnitSize));
- udf_debug("Metadata file loc=%d\n",
+ udf_debug("Metadata file loc=%u\n",
le32_to_cpu(mdm->metadataFileLoc));
- udf_debug("Mirror file loc=%d\n",
+ udf_debug("Mirror file loc=%u\n",
le32_to_cpu(mdm->metadataMirrorFileLoc));
- udf_debug("Bitmap file loc=%d\n",
+ udf_debug("Bitmap file loc=%u\n",
le32_to_cpu(mdm->metadataBitmapFileLoc));
- udf_debug("Flags: %d %d\n",
+ udf_debug("Flags: %d %u\n",
mdata->s_flags, mdm->flags);
} else {
udf_debug("Unknown ident: %s\n",
@@ -1525,7 +1496,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
map->s_volumeseqnum = le16_to_cpu(upm2->volSeqNum);
map->s_partition_num = le16_to_cpu(upm2->partitionNum);
}
- udf_debug("Partition (%d:%d) type %d on volume %d\n",
+ udf_debug("Partition (%d:%u) type %u on volume %u\n",
i, map->s_partition_num, type, map->s_volumeseqnum);
}
@@ -1533,7 +1504,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
struct long_ad *la = (struct long_ad *)&(lvd->logicalVolContentsUse[0]);
*fileset = lelb_to_cpu(la->extLocation);
- udf_debug("FileSet found in LogicalVolDesc at block=%d, partition=%d\n",
+ udf_debug("FileSet found in LogicalVolDesc at block=%u, partition=%u\n",
fileset->logicalBlockNum,
fileset->partitionReferenceNum);
}
@@ -1592,6 +1563,60 @@ static void udf_load_logicalvolint(struct super_block *sb, struct kernel_extent_
sbi->s_lvid_bh = NULL;
}
+/*
+ * Step for reallocation of table of partition descriptor sequence numbers.
+ * Must be power of 2.
+ */
+#define PART_DESC_ALLOC_STEP 32
+
+struct desc_seq_scan_data {
+ struct udf_vds_record vds[VDS_POS_LENGTH];
+ unsigned int size_part_descs;
+ struct udf_vds_record *part_descs_loc;
+};
+
+static struct udf_vds_record *handle_partition_descriptor(
+ struct buffer_head *bh,
+ struct desc_seq_scan_data *data)
+{
+ struct partitionDesc *desc = (struct partitionDesc *)bh->b_data;
+ int partnum;
+
+ partnum = le16_to_cpu(desc->partitionNumber);
+ if (partnum >= data->size_part_descs) {
+ struct udf_vds_record *new_loc;
+ unsigned int new_size = ALIGN(partnum, PART_DESC_ALLOC_STEP);
+
+ new_loc = kzalloc(sizeof(*new_loc) * new_size, GFP_KERNEL);
+ if (!new_loc)
+ return ERR_PTR(-ENOMEM);
+ memcpy(new_loc, data->part_descs_loc,
+ data->size_part_descs * sizeof(*new_loc));
+ kfree(data->part_descs_loc);
+ data->part_descs_loc = new_loc;
+ data->size_part_descs = new_size;
+ }
+ return &(data->part_descs_loc[partnum]);
+}
+
+
+static struct udf_vds_record *get_volume_descriptor_record(uint16_t ident,
+ struct buffer_head *bh, struct desc_seq_scan_data *data)
+{
+ switch (ident) {
+ case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */
+ return &(data->vds[VDS_POS_PRIMARY_VOL_DESC]);
+ case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */
+ return &(data->vds[VDS_POS_IMP_USE_VOL_DESC]);
+ case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */
+ return &(data->vds[VDS_POS_LOGICAL_VOL_DESC]);
+ case TAG_IDENT_USD: /* ISO 13346 3/10.8 */
+ return &(data->vds[VDS_POS_UNALLOC_SPACE_DESC]);
+ case TAG_IDENT_PD: /* ISO 13346 3/10.5 */
+ return handle_partition_descriptor(bh, data);
+ }
+ return NULL;
+}
/*
* Process a main/reserve volume descriptor sequence.
@@ -1608,18 +1633,23 @@ static noinline int udf_process_sequence(
struct kernel_lb_addr *fileset)
{
struct buffer_head *bh = NULL;
- struct udf_vds_record vds[VDS_POS_LENGTH];
struct udf_vds_record *curr;
struct generic_desc *gd;
struct volDescPtr *vdp;
bool done = false;
uint32_t vdsn;
uint16_t ident;
- long next_s = 0, next_e = 0;
int ret;
unsigned int indirections = 0;
-
- memset(vds, 0, sizeof(struct udf_vds_record) * VDS_POS_LENGTH);
+ struct desc_seq_scan_data data;
+ unsigned int i;
+
+ memset(data.vds, 0, sizeof(struct udf_vds_record) * VDS_POS_LENGTH);
+ data.size_part_descs = PART_DESC_ALLOC_STEP;
+ data.part_descs_loc = kzalloc(sizeof(*data.part_descs_loc) *
+ data.size_part_descs, GFP_KERNEL);
+ if (!data.part_descs_loc)
+ return -ENOMEM;
/*
* Read the main descriptor sequence and find which descriptors
@@ -1628,79 +1658,51 @@ static noinline int udf_process_sequence(
for (; (!done && block <= lastblock); block++) {
bh = udf_read_tagged(sb, block, block, &ident);
- if (!bh) {
- udf_err(sb,
- "Block %llu of volume descriptor sequence is corrupted or we could not read it\n",
- (unsigned long long)block);
- return -EAGAIN;
- }
+ if (!bh)
+ break;
/* Process each descriptor (ISO 13346 3/8.3-8.4) */
gd = (struct generic_desc *)bh->b_data;
vdsn = le32_to_cpu(gd->volDescSeqNum);
switch (ident) {
- case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */
- curr = &vds[VDS_POS_PRIMARY_VOL_DESC];
- if (vdsn >= curr->volDescSeqNum) {
- curr->volDescSeqNum = vdsn;
- curr->block = block;
- }
- break;
case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */
- curr = &vds[VDS_POS_VOL_DESC_PTR];
- if (vdsn >= curr->volDescSeqNum) {
- curr->volDescSeqNum = vdsn;
- curr->block = block;
-
- vdp = (struct volDescPtr *)bh->b_data;
- next_s = le32_to_cpu(
- vdp->nextVolDescSeqExt.extLocation);
- next_e = le32_to_cpu(
- vdp->nextVolDescSeqExt.extLength);
- next_e = next_e >> sb->s_blocksize_bits;
- next_e += next_s;
+ if (++indirections > UDF_MAX_TD_NESTING) {
+ udf_err(sb, "too many Volume Descriptor "
+ "Pointers (max %u supported)\n",
+ UDF_MAX_TD_NESTING);
+ brelse(bh);
+ return -EIO;
}
+
+ vdp = (struct volDescPtr *)bh->b_data;
+ block = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation);
+ lastblock = le32_to_cpu(
+ vdp->nextVolDescSeqExt.extLength) >>
+ sb->s_blocksize_bits;
+ lastblock += block - 1;
+ /* For loop is going to increment 'block' again */
+ block--;
break;
+ case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */
case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */
- curr = &vds[VDS_POS_IMP_USE_VOL_DESC];
- if (vdsn >= curr->volDescSeqNum) {
- curr->volDescSeqNum = vdsn;
- curr->block = block;
- }
- break;
- case TAG_IDENT_PD: /* ISO 13346 3/10.5 */
- curr = &vds[VDS_POS_PARTITION_DESC];
- if (!curr->block)
- curr->block = block;
- break;
case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */
- curr = &vds[VDS_POS_LOGICAL_VOL_DESC];
- if (vdsn >= curr->volDescSeqNum) {
- curr->volDescSeqNum = vdsn;
- curr->block = block;
- }
- break;
case TAG_IDENT_USD: /* ISO 13346 3/10.8 */
- curr = &vds[VDS_POS_UNALLOC_SPACE_DESC];
+ case TAG_IDENT_PD: /* ISO 13346 3/10.5 */
+ curr = get_volume_descriptor_record(ident, bh, &data);
+ if (IS_ERR(curr)) {
+ brelse(bh);
+ return PTR_ERR(curr);
+ }
+ /* Descriptor we don't care about? */
+ if (!curr)
+ break;
if (vdsn >= curr->volDescSeqNum) {
curr->volDescSeqNum = vdsn;
curr->block = block;
}
break;
case TAG_IDENT_TD: /* ISO 13346 3/10.9 */
- if (++indirections > UDF_MAX_TD_NESTING) {
- udf_err(sb, "too many TDs (max %u supported)\n", UDF_MAX_TD_NESTING);
- brelse(bh);
- return -EIO;
- }
-
- vds[VDS_POS_TERMINATING_DESC].block = block;
- if (next_e) {
- block = next_s;
- lastblock = next_e;
- next_s = next_e = 0;
- } else
- done = true;
+ done = true;
break;
}
brelse(bh);
@@ -1709,31 +1711,27 @@ static noinline int udf_process_sequence(
* Now read interesting descriptors again and process them
* in a suitable order
*/
- if (!vds[VDS_POS_PRIMARY_VOL_DESC].block) {
+ if (!data.vds[VDS_POS_PRIMARY_VOL_DESC].block) {
udf_err(sb, "Primary Volume Descriptor not found!\n");
return -EAGAIN;
}
- ret = udf_load_pvoldesc(sb, vds[VDS_POS_PRIMARY_VOL_DESC].block);
+ ret = udf_load_pvoldesc(sb, data.vds[VDS_POS_PRIMARY_VOL_DESC].block);
if (ret < 0)
return ret;
- if (vds[VDS_POS_LOGICAL_VOL_DESC].block) {
+ if (data.vds[VDS_POS_LOGICAL_VOL_DESC].block) {
ret = udf_load_logicalvol(sb,
- vds[VDS_POS_LOGICAL_VOL_DESC].block,
- fileset);
+ data.vds[VDS_POS_LOGICAL_VOL_DESC].block,
+ fileset);
if (ret < 0)
return ret;
}
- if (vds[VDS_POS_PARTITION_DESC].block) {
- /*
- * We rescan the whole descriptor sequence to find
- * partition descriptor blocks and process them.
- */
- for (block = vds[VDS_POS_PARTITION_DESC].block;
- block < vds[VDS_POS_TERMINATING_DESC].block;
- block++) {
- ret = udf_load_partdesc(sb, block);
+ /* Now handle prevailing Partition Descriptors */
+ for (i = 0; i < data.size_part_descs; i++) {
+ if (data.part_descs_loc[i].block) {
+ ret = udf_load_partdesc(sb,
+ data.part_descs_loc[i].block);
if (ret < 0)
return ret;
}
@@ -1760,13 +1758,13 @@ static int udf_load_sequence(struct super_block *sb, struct buffer_head *bh,
main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation);
main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength);
main_e = main_e >> sb->s_blocksize_bits;
- main_e += main_s;
+ main_e += main_s - 1;
/* Locate the reserve sequence */
reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation);
reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength);
reserve_e = reserve_e >> sb->s_blocksize_bits;
- reserve_e += reserve_s;
+ reserve_e += reserve_s - 1;
/* Process the main & reserve sequences */
/* responsible for finding the PartitionDesc(s) */
@@ -1994,7 +1992,10 @@ static void udf_open_lvid(struct super_block *sb)
lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
ktime_get_real_ts(&ts);
udf_time_to_disk_stamp(&lvid->recordingDateAndTime, ts);
- lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN);
+ if (le32_to_cpu(lvid->integrityType) == LVID_INTEGRITY_TYPE_CLOSE)
+ lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN);
+ else
+ UDF_SET_FLAG(sb, UDF_FLAG_INCONSISTENT);
lvid->descTag.descCRC = cpu_to_le16(
crc_itu_t(0, (char *)lvid + sizeof(struct tag),
@@ -2034,7 +2035,8 @@ static void udf_close_lvid(struct super_block *sb)
lvidiu->minUDFReadRev = cpu_to_le16(sbi->s_udfrev);
if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFWriteRev))
lvidiu->minUDFWriteRev = cpu_to_le16(sbi->s_udfrev);
- lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE);
+ if (!UDF_QUERY_FLAG(sb, UDF_FLAG_INCONSISTENT))
+ lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE);
lvid->descTag.descCRC = cpu_to_le16(
crc_itu_t(0, (char *)lvid + sizeof(struct tag),
@@ -2091,11 +2093,13 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
bool lvid_open = false;
uopt.flags = (1 << UDF_FLAG_USE_AD_IN_ICB) | (1 << UDF_FLAG_STRICT);
- uopt.uid = INVALID_UID;
- uopt.gid = INVALID_GID;
+ /* By default we'll use overflow[ug]id when UDF inode [ug]id == -1 */
+ uopt.uid = make_kuid(current_user_ns(), overflowuid);
+ uopt.gid = make_kgid(current_user_ns(), overflowgid);
uopt.umask = 0;
uopt.fmode = UDF_INVALID_MODE;
uopt.dmode = UDF_INVALID_MODE;
+ uopt.nls_map = NULL;
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
@@ -2159,7 +2163,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
ret = udf_load_vrs(sb, &uopt, silent, &fileset);
if (ret < 0) {
if (!silent && ret != -EACCES) {
- pr_notice("Scanning with blocksize %d failed\n",
+ pr_notice("Scanning with blocksize %u failed\n",
uopt.blocksize);
}
brelse(sbi->s_lvid_bh);
@@ -2184,7 +2188,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
goto error_out;
}
- udf_debug("Lastblock=%d\n", sbi->s_last_block);
+ udf_debug("Lastblock=%u\n", sbi->s_last_block);
if (sbi->s_lvid_bh) {
struct logicalVolIntegrityDescImpUse *lvidiu =
@@ -2255,7 +2259,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
/* perhaps it's not extensible enough, but for now ... */
inode = udf_iget(sb, &rootdir);
if (IS_ERR(inode)) {
- udf_err(sb, "Error in udf_iget, block=%d, partition=%d\n",
+ udf_err(sb, "Error in udf_iget, block=%u, partition=%u\n",
rootdir.logicalBlockNum, rootdir.partitionReferenceNum);
ret = PTR_ERR(inode);
goto error_out;
@@ -2276,8 +2280,8 @@ error_out:
iput(sbi->s_vat_inode);
parse_options_failure:
#ifdef CONFIG_UDF_NLS
- if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
- unload_nls(sbi->s_nls_map);
+ if (uopt.nls_map)
+ unload_nls(uopt.nls_map);
#endif
if (lvid_open)
udf_close_lvid(sb);
@@ -2389,7 +2393,7 @@ static unsigned int udf_count_free_bitmap(struct super_block *sb,
struct buffer_head *bh = NULL;
unsigned int accum = 0;
int index;
- int block = 0, newblock;
+ udf_pblk_t block = 0, newblock;
struct kernel_lb_addr loc;
uint32_t bytes;
uint8_t *ptr;
generated by cgit (git 2.34.1) at 2024-05-27 08:55:16 +0000