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-rw-r--r--fs/udf/super.c1158
1 files changed, 748 insertions, 410 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 4360c7a05743..f3ac4abfc946 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -33,8 +33,8 @@
* 10/17/98 added freespace count for "df"
* 11/11/98 gr added novrs option
* 11/26/98 dgb added fileset,anchor mount options
- * 12/06/98 blf really hosed things royally. vat/sparing support. sequenced vol descs
- * rewrote option handling based on isofs
+ * 12/06/98 blf really hosed things royally. vat/sparing support. sequenced
+ * vol descs. rewrote option handling based on isofs
* 12/20/98 find the free space bitmap (if it exists)
*/
@@ -52,6 +52,9 @@
#include <linux/buffer_head.h>
#include <linux/vfs.h>
#include <linux/vmalloc.h>
+#include <linux/errno.h>
+#include <linux/mount.h>
+#include <linux/seq_file.h>
#include <asm/byteorder.h>
#include <linux/udf_fs.h>
@@ -70,6 +73,8 @@
#define VDS_POS_TERMINATING_DESC 6
#define VDS_POS_LENGTH 7
+#define UDF_DEFAULT_BLOCKSIZE 2048
+
static char error_buf[1024];
/* These are the "meat" - everything else is stuffing */
@@ -94,6 +99,17 @@ static void udf_open_lvid(struct super_block *);
static void udf_close_lvid(struct super_block *);
static unsigned int udf_count_free(struct super_block *);
static int udf_statfs(struct dentry *, struct kstatfs *);
+static int udf_show_options(struct seq_file *, struct vfsmount *);
+
+struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi)
+{
+ struct logicalVolIntegrityDesc *lvid =
+ (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
+ __u32 number_of_partitions = le32_to_cpu(lvid->numOfPartitions);
+ __u32 offset = number_of_partitions * 2 *
+ sizeof(uint32_t)/sizeof(uint8_t);
+ return (struct logicalVolIntegrityDescImpUse *)&(lvid->impUse[offset]);
+}
/* UDF filesystem type */
static int udf_get_sb(struct file_system_type *fs_type,
@@ -116,7 +132,7 @@ static struct kmem_cache *udf_inode_cachep;
static struct inode *udf_alloc_inode(struct super_block *sb)
{
struct udf_inode_info *ei;
- ei = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep, GFP_KERNEL);
+ ei = kmem_cache_alloc(udf_inode_cachep, GFP_KERNEL);
if (!ei)
return NULL;
@@ -170,6 +186,7 @@ static const struct super_operations udf_sb_ops = {
.write_super = udf_write_super,
.statfs = udf_statfs,
.remount_fs = udf_remount_fs,
+ .show_options = udf_show_options,
};
struct udf_options {
@@ -218,6 +235,79 @@ static void __exit exit_udf_fs(void)
module_init(init_udf_fs)
module_exit(exit_udf_fs)
+static int udf_sb_alloc_partition_maps(struct super_block *sb, u32 count)
+{
+ struct udf_sb_info *sbi = UDF_SB(sb);
+
+ sbi->s_partmaps = kcalloc(count, sizeof(struct udf_part_map),
+ GFP_KERNEL);
+ if (!sbi->s_partmaps) {
+ udf_error(sb, __FUNCTION__,
+ "Unable to allocate space for %d partition maps",
+ count);
+ sbi->s_partitions = 0;
+ return -ENOMEM;
+ }
+
+ sbi->s_partitions = count;
+ return 0;
+}
+
+static int udf_show_options(struct seq_file *seq, struct vfsmount *mnt)
+{
+ struct super_block *sb = mnt->mnt_sb;
+ struct udf_sb_info *sbi = UDF_SB(sb);
+
+ if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT))
+ seq_puts(seq, ",nostrict");
+ if (sb->s_blocksize != UDF_DEFAULT_BLOCKSIZE)
+ seq_printf(seq, ",bs=%lu", sb->s_blocksize);
+ if (UDF_QUERY_FLAG(sb, UDF_FLAG_UNHIDE))
+ seq_puts(seq, ",unhide");
+ if (UDF_QUERY_FLAG(sb, UDF_FLAG_UNDELETE))
+ seq_puts(seq, ",undelete");
+ if (!UDF_QUERY_FLAG(sb, UDF_FLAG_USE_AD_IN_ICB))
+ seq_puts(seq, ",noadinicb");
+ if (UDF_QUERY_FLAG(sb, UDF_FLAG_USE_SHORT_AD))
+ 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", sbi->s_uid);
+ if (UDF_QUERY_FLAG(sb, UDF_FLAG_GID_SET))
+ seq_printf(seq, ",gid=%u", sbi->s_gid);
+ if (sbi->s_umask != 0)
+ seq_printf(seq, ",umask=%o", sbi->s_umask);
+ if (UDF_QUERY_FLAG(sb, UDF_FLAG_SESSION_SET))
+ seq_printf(seq, ",session=%u", sbi->s_session);
+ if (UDF_QUERY_FLAG(sb, UDF_FLAG_LASTBLOCK_SET))
+ seq_printf(seq, ",lastblock=%u", sbi->s_last_block);
+ /*
+ * s_anchor[2] could be zeroed out in case there is no anchor
+ * in the specified block, but then the "anchor=N" option
+ * originally given by the user wasn't effective, so it's OK
+ * if we don't show it.
+ */
+ if (sbi->s_anchor[2] != 0)
+ seq_printf(seq, ",anchor=%u", sbi->s_anchor[2]);
+ /*
+ * 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)
+ seq_printf(seq, ",iocharset=%s", sbi->s_nls_map->charset);
+
+ return 0;
+}
+
/*
* udf_parse_options
*
@@ -310,13 +400,14 @@ static match_table_t tokens = {
{Opt_err, NULL}
};
-static int udf_parse_options(char *options, struct udf_options *uopt)
+static int udf_parse_options(char *options, struct udf_options *uopt,
+ bool remount)
{
char *p;
int option;
uopt->novrs = 0;
- uopt->blocksize = 2048;
+ uopt->blocksize = UDF_DEFAULT_BLOCKSIZE;
uopt->partition = 0xFFFF;
uopt->session = 0xFFFFFFFF;
uopt->lastblock = 0;
@@ -386,11 +477,15 @@ static int udf_parse_options(char *options, struct udf_options *uopt)
if (match_int(args, &option))
return 0;
uopt->session = option;
+ if (!remount)
+ uopt->flags |= (1 << UDF_FLAG_SESSION_SET);
break;
case Opt_lastblock:
if (match_int(args, &option))
return 0;
uopt->lastblock = option;
+ if (!remount)
+ uopt->flags |= (1 << UDF_FLAG_LASTBLOCK_SET);
break;
case Opt_anchor:
if (match_int(args, &option))
@@ -447,7 +542,7 @@ static int udf_parse_options(char *options, struct udf_options *uopt)
return 1;
}
-void udf_write_super(struct super_block *sb)
+static void udf_write_super(struct super_block *sb)
{
lock_kernel();
@@ -461,22 +556,23 @@ void udf_write_super(struct super_block *sb)
static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
{
struct udf_options uopt;
+ struct udf_sb_info *sbi = UDF_SB(sb);
- uopt.flags = UDF_SB(sb)->s_flags;
- uopt.uid = UDF_SB(sb)->s_uid;
- uopt.gid = UDF_SB(sb)->s_gid;
- uopt.umask = UDF_SB(sb)->s_umask;
+ uopt.flags = sbi->s_flags;
+ uopt.uid = sbi->s_uid;
+ uopt.gid = sbi->s_gid;
+ uopt.umask = sbi->s_umask;
- if (!udf_parse_options(options, &uopt))
+ if (!udf_parse_options(options, &uopt, true))
return -EINVAL;
- UDF_SB(sb)->s_flags = uopt.flags;
- UDF_SB(sb)->s_uid = uopt.uid;
- UDF_SB(sb)->s_gid = uopt.gid;
- UDF_SB(sb)->s_umask = uopt.umask;
+ sbi->s_flags = uopt.flags;
+ sbi->s_uid = uopt.uid;
+ sbi->s_gid = uopt.gid;
+ sbi->s_umask = uopt.umask;
- if (UDF_SB_LVIDBH(sb)) {
- int write_rev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev);
+ if (sbi->s_lvid_bh) {
+ int write_rev = le16_to_cpu(udf_sb_lvidiu(sbi)->minUDFWriteRev);
if (write_rev > UDF_MAX_WRITE_VERSION)
*flags |= MS_RDONLY;
}
@@ -538,17 +634,19 @@ static int udf_vrs(struct super_block *sb, int silent)
int iso9660 = 0;
int nsr02 = 0;
int nsr03 = 0;
+ struct udf_sb_info *sbi;
/* Block size must be a multiple of 512 */
if (sb->s_blocksize & 511)
return 0;
+ sbi = UDF_SB(sb);
if (sb->s_blocksize < sizeof(struct volStructDesc))
sectorsize = sizeof(struct volStructDesc);
else
sectorsize = sb->s_blocksize;
- sector += (UDF_SB_SESSION(sb) << sb->s_blocksize_bits);
+ sector += (sbi->s_session << sb->s_blocksize_bits);
udf_debug("Starting at sector %u (%ld byte sectors)\n",
(sector >> sb->s_blocksize_bits), sb->s_blocksize);
@@ -561,47 +659,52 @@ static int udf_vrs(struct super_block *sb, int silent)
/* Look for ISO descriptors */
vsd = (struct volStructDesc *)(bh->b_data +
- (sector & (sb->s_blocksize - 1)));
+ (sector & (sb->s_blocksize - 1)));
if (vsd->stdIdent[0] == 0) {
brelse(bh);
break;
- } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) {
+ } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001,
+ VSD_STD_ID_LEN)) {
iso9660 = sector;
switch (vsd->structType) {
case 0:
udf_debug("ISO9660 Boot Record found\n");
break;
case 1:
- udf_debug
- ("ISO9660 Primary Volume Descriptor found\n");
+ udf_debug("ISO9660 Primary Volume Descriptor "
+ "found\n");
break;
case 2:
- udf_debug
- ("ISO9660 Supplementary Volume Descriptor found\n");
+ udf_debug("ISO9660 Supplementary Volume "
+ "Descriptor found\n");
break;
case 3:
- udf_debug
- ("ISO9660 Volume Partition Descriptor found\n");
+ udf_debug("ISO9660 Volume Partition Descriptor "
+ "found\n");
break;
case 255:
- udf_debug
- ("ISO9660 Volume Descriptor Set Terminator found\n");
+ udf_debug("ISO9660 Volume Descriptor Set "
+ "Terminator found\n");
break;
default:
udf_debug("ISO9660 VRS (%u) found\n",
vsd->structType);
break;
}
- } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) {
- } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) {
+ } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_BEA01,
+ VSD_STD_ID_LEN))
+ ; /* nothing */
+ else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01,
+ VSD_STD_ID_LEN)) {
brelse(bh);
break;
- } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) {
+ } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02,
+ VSD_STD_ID_LEN))
nsr02 = sector;
- } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) {
+ else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR03,
+ VSD_STD_ID_LEN))
nsr03 = sector;
- }
brelse(bh);
}
@@ -609,7 +712,7 @@ static int udf_vrs(struct super_block *sb, int silent)
return nsr03;
else if (nsr02)
return nsr02;
- else if (sector - (UDF_SB_SESSION(sb) << sb->s_blocksize_bits) == 32768)
+ else if (sector - (sbi->s_session << sb->s_blocksize_bits) == 32768)
return -1;
else
return 0;
@@ -634,11 +737,15 @@ static int udf_vrs(struct super_block *sb, int silent)
*/
static void udf_find_anchor(struct super_block *sb)
{
- int lastblock = UDF_SB_LASTBLOCK(sb);
+ int lastblock;
struct buffer_head *bh = NULL;
uint16_t ident;
uint32_t location;
int i;
+ struct udf_sb_info *sbi;
+
+ sbi = UDF_SB(sb);
+ lastblock = sbi->s_last_block;
if (lastblock) {
int varlastblock = udf_variable_to_fixed(lastblock);
@@ -658,57 +765,83 @@ static void udf_find_anchor(struct super_block *sb)
* however, if the disc isn't closed, it could be 512 */
for (i = 0; !lastblock && i < ARRAY_SIZE(last); i++) {
- if (last[i] < 0 || !(bh = sb_bread(sb, last[i]))) {
- ident = location = 0;
- } else {
- ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
- location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
- brelse(bh);
+ ident = location = 0;
+ if (last[i] >= 0) {
+ bh = sb_bread(sb, last[i]);
+ if (bh) {
+ tag *t = (tag *)bh->b_data;
+ ident = le16_to_cpu(t->tagIdent);
+ location = le32_to_cpu(t->tagLocation);
+ brelse(bh);
+ }
}
if (ident == TAG_IDENT_AVDP) {
- if (location == last[i] - UDF_SB_SESSION(sb)) {
- lastblock = UDF_SB_ANCHOR(sb)[0] = last[i] - UDF_SB_SESSION(sb);
- UDF_SB_ANCHOR(sb)[1] = last[i] - 256 - UDF_SB_SESSION(sb);
- } else if (location == udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb)) {
+ if (location == last[i] - sbi->s_session) {
+ lastblock = last[i] - sbi->s_session;
+ sbi->s_anchor[0] = lastblock;
+ sbi->s_anchor[1] = lastblock - 256;
+ } else if (location ==
+ udf_variable_to_fixed(last[i]) -
+ sbi->s_session) {
UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
- lastblock = UDF_SB_ANCHOR(sb)[0] = udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb);
- UDF_SB_ANCHOR(sb)[1] = lastblock - 256 - UDF_SB_SESSION(sb);
+ lastblock =
+ udf_variable_to_fixed(last[i]) -
+ sbi->s_session;
+ sbi->s_anchor[0] = lastblock;
+ sbi->s_anchor[1] = lastblock - 256 -
+ sbi->s_session;
} else {
- udf_debug("Anchor found at block %d, location mismatch %d.\n",
+ udf_debug("Anchor found at block %d, "
+ "location mismatch %d.\n",
last[i], location);
}
- } else if (ident == TAG_IDENT_FE || ident == TAG_IDENT_EFE) {
+ } else if (ident == TAG_IDENT_FE ||
+ ident == TAG_IDENT_EFE) {
lastblock = last[i];
- UDF_SB_ANCHOR(sb)[3] = 512;
+ sbi->s_anchor[3] = 512;
} else {
- if (last[i] < 256 || !(bh = sb_bread(sb, last[i] - 256))) {
- ident = location = 0;
- } else {
- ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
- location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
- brelse(bh);
+ ident = location = 0;
+ if (last[i] >= 256) {
+ bh = sb_bread(sb, last[i] - 256);
+ if (bh) {
+ tag *t = (tag *)bh->b_data;
+ ident = le16_to_cpu(
+ t->tagIdent);
+ location = le32_to_cpu(
+ t->tagLocation);
+ brelse(bh);
+ }
}
if (ident == TAG_IDENT_AVDP &&
- location == last[i] - 256 - UDF_SB_SESSION(sb)) {
+ location == last[i] - 256 -
+ sbi->s_session) {
lastblock = last[i];
- UDF_SB_ANCHOR(sb)[1] = last[i] - 256;
+ sbi->s_anchor[1] = last[i] - 256;
} else {
- if (last[i] < 312 + UDF_SB_SESSION(sb) ||
- !(bh = sb_bread(sb, last[i] - 312 - UDF_SB_SESSION(sb)))) {
- ident = location = 0;
- } else {
- ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
- location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
- brelse(bh);
+ ident = location = 0;
+ if (last[i] >= 312 + sbi->s_session) {
+ bh = sb_bread(sb,
+ last[i] - 312 -
+ sbi->s_session);
+ if (bh) {
+ tag *t = (tag *)
+ bh->b_data;
+ ident = le16_to_cpu(
+ t->tagIdent);
+ location = le32_to_cpu(
+ t->tagLocation);
+ brelse(bh);
+ }
}
if (ident == TAG_IDENT_AVDP &&
location == udf_variable_to_fixed(last[i]) - 256) {
- UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
+ UDF_SET_FLAG(sb,
+ UDF_FLAG_VARCONV);
lastblock = udf_variable_to_fixed(last[i]);
- UDF_SB_ANCHOR(sb)[1] = lastblock - 256;
+ sbi->s_anchor[1] = lastblock - 256;
}
}
}
@@ -716,10 +849,12 @@ static void udf_find_anchor(struct super_block *sb)
}
if (!lastblock) {
- /* We havn't found the lastblock. check 312 */
- if ((bh = sb_bread(sb, 312 + UDF_SB_SESSION(sb)))) {
- ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
- location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
+ /* We haven't found the lastblock. check 312 */
+ bh = sb_bread(sb, 312 + sbi->s_session);
+ if (bh) {
+ tag *t = (tag *)bh->b_data;
+ ident = le16_to_cpu(t->tagIdent);
+ location = le32_to_cpu(t->tagLocation);
brelse(bh);
if (ident == TAG_IDENT_AVDP && location == 256)
@@ -727,29 +862,33 @@ static void udf_find_anchor(struct super_block *sb)
}
}
- for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
- if (UDF_SB_ANCHOR(sb)[i]) {
- if (!(bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i],
- UDF_SB_ANCHOR(sb)[i], &ident))) {
- UDF_SB_ANCHOR(sb)[i] = 0;
- } else {
+ for (i = 0; i < ARRAY_SIZE(sbi->s_anchor); i++) {
+ if (sbi->s_anchor[i]) {
+ bh = udf_read_tagged(sb, sbi->s_anchor[i],
+ sbi->s_anchor[i], &ident);
+ if (!bh)
+ sbi->s_anchor[i] = 0;
+ else {
brelse(bh);
if ((ident != TAG_IDENT_AVDP) &&
- (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) {
- UDF_SB_ANCHOR(sb)[i] = 0;
- }
+ (i || (ident != TAG_IDENT_FE &&
+ ident != TAG_IDENT_EFE)))
+ sbi->s_anchor[i] = 0;
}
}
}
- UDF_SB_LASTBLOCK(sb) = lastblock;
+ sbi->s_last_block = lastblock;
}
-static int udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr *root)
+static int udf_find_fileset(struct super_block *sb,
+ kernel_lb_addr *fileset,
+ kernel_lb_addr *root)
{
struct buffer_head *bh = NULL;
long lastblock;
uint16_t ident;
+ struct udf_sb_info *sbi;
if (fileset->logicalBlockNum != 0xFFFFFFFF ||
fileset->partitionReferenceNum != 0xFFFF) {
@@ -764,22 +903,27 @@ static int udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, ker
}
- if (!bh) { /* Search backwards through the partitions */
+ sbi = UDF_SB(sb);
+ if (!bh) {
+ /* Search backwards through the partitions */
kernel_lb_addr newfileset;
/* --> cvg: FIXME - is it reasonable? */
return 1;
- for (newfileset.partitionReferenceNum = UDF_SB_NUMPARTS(sb) - 1;
+ for (newfileset.partitionReferenceNum = sbi->s_partitions - 1;
(newfileset.partitionReferenceNum != 0xFFFF &&
fileset->logicalBlockNum == 0xFFFFFFFF &&
fileset->partitionReferenceNum == 0xFFFF);
newfileset.partitionReferenceNum--) {
- lastblock = UDF_SB_PARTLEN(sb, newfileset.partitionReferenceNum);
+ lastblock = sbi->s_partmaps
+ [newfileset.partitionReferenceNum]
+ .s_partition_len;
newfileset.logicalBlockNum = 0;
do {
- bh = udf_read_ptagged(sb, newfileset, 0, &ident);
+ bh = udf_read_ptagged(sb, newfileset, 0,
+ &ident);
if (!bh) {
newfileset.logicalBlockNum++;
continue;
@@ -789,11 +933,12 @@ static int udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, ker
case TAG_IDENT_SBD:
{
struct spaceBitmapDesc *sp;
- sp = (struct spaceBitmapDesc *)bh->b_data;
+ sp = (struct spaceBitmapDesc *)
+ bh->b_data;
newfileset.logicalBlockNum += 1 +
((le32_to_cpu(sp->numOfBytes) +
- sizeof(struct spaceBitmapDesc) - 1)
- >> sb->s_blocksize_bits);
+ sizeof(struct spaceBitmapDesc)
+ - 1) >> sb->s_blocksize_bits);
brelse(bh);
break;
}
@@ -818,7 +963,7 @@ static int udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, ker
fileset->logicalBlockNum,
fileset->partitionReferenceNum);
- UDF_SB_PARTITION(sb) = fileset->partitionReferenceNum;
+ sbi->s_partition = fileset->partitionReferenceNum;
udf_load_fileset(sb, bh, root);
brelse(bh);
return 0;
@@ -840,26 +985,26 @@ static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
lets_to_cpu(pvoldesc->recordingDateAndTime))) {
kernel_timestamp ts;
ts = lets_to_cpu(pvoldesc->recordingDateAndTime);
- udf_debug("recording time %ld/%ld, %04u/%02u/%02u %02u:%02u (%x)\n",
+ udf_debug("recording time %ld/%ld, %04u/%02u/%02u"
+ " %02u:%02u (%x)\n",
recording, recording_usec,
ts.year, ts.month, ts.day, ts.hour,
ts.minute, ts.typeAndTimezone);
- UDF_SB_RECORDTIME(sb).tv_sec = recording;
- UDF_SB_RECORDTIME(sb).tv_nsec = recording_usec * 1000;
+ UDF_SB(sb)->s_record_time.tv_sec = recording;
+ UDF_SB(sb)->s_record_time.tv_nsec = recording_usec * 1000;
}
- if (!udf_build_ustr(&instr, pvoldesc->volIdent, 32)) {
+ if (!udf_build_ustr(&instr, pvoldesc->volIdent, 32))
if (udf_CS0toUTF8(&outstr, &instr)) {
- strncpy(UDF_SB_VOLIDENT(sb), outstr.u_name,
+ strncpy(UDF_SB(sb)->s_volume_ident, outstr.u_name,
outstr.u_len > 31 ? 31 : outstr.u_len);
- udf_debug("volIdent[] = '%s'\n", UDF_SB_VOLIDENT(sb));
+ udf_debug("volIdent[] = '%s'\n",
+ UDF_SB(sb)->s_volume_ident);
}
- }
- if (!udf_build_ustr(&instr, pvoldesc->volSetIdent, 128)) {
+ if (!udf_build_ustr(&instr, pvoldesc->volSetIdent, 128))
if (udf_CS0toUTF8(&outstr, &instr))
udf_debug("volSetIdent[] = '%s'\n", outstr.u_name);
- }
}
static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh,
@@ -871,65 +1016,124 @@ static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh,
*root = lelb_to_cpu(fset->rootDirectoryICB.extLocation);
- UDF_SB_SERIALNUM(sb) = le16_to_cpu(fset->descTag.tagSerialNum);
+ UDF_SB(sb)->s_serial_number = le16_to_cpu(fset->descTag.tagSerialNum);
udf_debug("Rootdir at block=%d, partition=%d\n",
root->logicalBlockNum, root->partitionReferenceNum);
}
+int udf_compute_nr_groups(struct super_block *sb, u32 partition)
+{
+ struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
+ return (map->s_partition_len +
+ (sizeof(struct spaceBitmapDesc) << 3) +
+ (sb->s_blocksize * 8) - 1) /
+ (sb->s_blocksize * 8);
+}
+
+static struct udf_bitmap *udf_sb_alloc_bitmap(struct super_block *sb, u32 index)
+{
+ struct udf_bitmap *bitmap;
+ int nr_groups;
+ int size;
+
+ nr_groups = udf_compute_nr_groups(sb, index);
+ size = sizeof(struct udf_bitmap) +
+ (sizeof(struct buffer_head *) * nr_groups);
+
+ if (size <= PAGE_SIZE)
+ bitmap = kmalloc(size, GFP_KERNEL);
+ else
+ bitmap = vmalloc(size); /* TODO: get rid of vmalloc */
+
+ if (bitmap == NULL) {
+ udf_error(sb, __FUNCTION__,
+ "Unable to allocate space for bitmap "
+ "and %d buffer_head pointers", nr_groups);
+ return NULL;
+ }
+
+ memset(bitmap, 0x00, size);
+ bitmap->s_block_bitmap = (struct buffer_head **)(bitmap + 1);
+ bitmap->s_nr_groups = nr_groups;
+ return bitmap;
+}
+
static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
{
struct partitionDesc *p;
int i;
+ struct udf_part_map *map;
+ struct udf_sb_info *sbi;
p = (struct partitionDesc *)bh->b_data;
+ sbi = UDF_SB(sb);
- for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
+ for (i = 0; i < sbi->s_partitions; i++) {
+ map = &sbi->s_partmaps[i];
udf_debug("Searching map: (%d == %d)\n",
- UDF_SB_PARTMAPS(sb)[i].s_partition_num, le16_to_cpu(p->partitionNumber));
- if (UDF_SB_PARTMAPS(sb)[i].s_partition_num == le16_to_cpu(p->partitionNumber)) {
- UDF_SB_PARTLEN(sb,i) = le32_to_cpu(p->partitionLength); /* blocks */
- UDF_SB_PARTROOT(sb,i) = le32_to_cpu(p->partitionStartingLocation);
- if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_READ_ONLY)
- UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_READ_ONLY;
- if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_WRITE_ONCE)
- UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_WRITE_ONCE;
- if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_REWRITABLE)
- UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_REWRITABLE;
- if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_OVERWRITABLE)
- UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_OVERWRITABLE;
-
- if (!strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR02) ||
- !strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR03)) {
+ map->s_partition_num,
+ le16_to_cpu(p->partitionNumber));
+ if (map->s_partition_num ==
+ le16_to_cpu(p->partitionNumber)) {
+ map->s_partition_len =
+ le32_to_cpu(p->partitionLength); /* blocks */
+ map->s_partition_root =
+ le32_to_cpu(p->partitionStartingLocation);
+ if (p->accessType ==
+ cpu_to_le32(PD_ACCESS_TYPE_READ_ONLY))
+ map->s_partition_flags |=
+ UDF_PART_FLAG_READ_ONLY;
+ if (p->accessType ==
+ cpu_to_le32(PD_ACCESS_TYPE_WRITE_ONCE))
+ map->s_partition_flags |=
+ UDF_PART_FLAG_WRITE_ONCE;
+ if (p->accessType ==
+ cpu_to_le32(PD_ACCESS_TYPE_REWRITABLE))
+ map->s_partition_flags |=
+ UDF_PART_FLAG_REWRITABLE;
+ if (p->accessType ==
+ cpu_to_le32(PD_ACCESS_TYPE_OVERWRITABLE))
+ map->s_partition_flags |=
+ UDF_PART_FLAG_OVERWRITABLE;
+
+ if (!strcmp(p->partitionContents.ident,
+ PD_PARTITION_CONTENTS_NSR02) ||
+ !strcmp(p->partitionContents.ident,
+ PD_PARTITION_CONTENTS_NSR03)) {
struct partitionHeaderDesc *phd;
- phd = (struct partitionHeaderDesc *)(p->partitionContentsUse);
+ phd = (struct partitionHeaderDesc *)
+ (p->partitionContentsUse);
if (phd->unallocSpaceTable.extLength) {
kernel_lb_addr loc = {
.logicalBlockNum = le32_to_cpu(phd->unallocSpaceTable.extPosition),
.partitionReferenceNum = i,
};
- UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table =
+ map->s_uspace.s_table =
udf_iget(sb, loc);
- if (!UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table) {
+ if (!map->s_uspace.s_table) {
udf_debug("cannot load unallocSpaceTable (part %d)\n", i);
return 1;
}
- UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_TABLE;
+ map->s_partition_flags |=
+ UDF_PART_FLAG_UNALLOC_TABLE;
udf_debug("unallocSpaceTable (part %d) @ %ld\n",
- i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table->i_ino);
+ i, map->s_uspace.s_table->i_ino);
}
if (phd->unallocSpaceBitmap.extLength) {
- UDF_SB_ALLOC_BITMAP(sb, i, s_uspace);
- if (UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap != NULL) {
- UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extLength =
+ struct udf_bitmap *bitmap =
+ udf_sb_alloc_bitmap(sb, i);
+ map->s_uspace.s_bitmap = bitmap;
+ if (bitmap != NULL) {
+ bitmap->s_extLength =
le32_to_cpu(phd->unallocSpaceBitmap.extLength);
- UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition =
+ bitmap->s_extPosition =
le32_to_cpu(phd->unallocSpaceBitmap.extPosition);
- UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_BITMAP;
+ map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP;
udf_debug("unallocSpaceBitmap (part %d) @ %d\n",
- i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition);
+ i, bitmap->s_extPosition);
}
}
if (phd->partitionIntegrityTable.extLength)
@@ -940,40 +1144,45 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
.partitionReferenceNum = i,
};
- UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table =
+ map->s_fspace.s_table =
udf_iget(sb, loc);
- if (!UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table) {
+ if (!map->s_fspace.s_table) {
udf_debug("cannot load freedSpaceTable (part %d)\n", i);
return 1;
}
- UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_TABLE;
+ map->s_partition_flags |=
+ UDF_PART_FLAG_FREED_TABLE;
udf_debug("freedSpaceTable (part %d) @ %ld\n",
- i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table->i_ino);
+ i, map->s_fspace.s_table->i_ino);
}
if (phd->freedSpaceBitmap.extLength) {
- UDF_SB_ALLOC_BITMAP(sb, i, s_fspace);
- if (UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap != NULL) {
- UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extLength =
+ struct udf_bitmap *bitmap =
+ udf_sb_alloc_bitmap(sb, i);
+ map->s_fspace.s_bitmap = bitmap;
+ if (bitmap != NULL) {
+ bitmap->s_extLength =
le32_to_cpu(phd->freedSpaceBitmap.extLength);
- UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition =
+ bitmap->s_extPosition =
le32_to_cpu(phd->freedSpaceBitmap.extPosition);
- UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_BITMAP;
+ map->s_partition_flags |= UDF_PART_FLAG_FREED_BITMAP;
udf_debug("freedSpaceBitmap (part %d) @ %d\n",
- i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition);
+ i, bitmap->s_extPosition);
}
}
}
break;
}
}
- if (i == UDF_SB_NUMPARTS(sb)) {
+ if (i == sbi->s_partitions)
udf_debug("Partition (%d) not found in partition map\n",
le16_to_cpu(p->partitionNumber));
- } else {
- udf_debug("Partition (%d:%d type %x) starts at physical %d, block length %d\n",
- le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb,i),
- UDF_SB_PARTROOT(sb,i), UDF_SB_PARTLEN(sb,i));
- }
+ else
+ udf_debug("Partition (%d:%d type %x) starts at physical %d, "
+ "block length %d\n",
+ le16_to_cpu(p->partitionNumber), i,
+ map->s_partition_type,
+ map->s_partition_root,
+ map->s_partition_len);
return 0;
}
@@ -983,70 +1192,105 @@ static int udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh,
struct logicalVolDesc *lvd;
int i, j, offset;
uint8_t type;
+ struct udf_sb_info *sbi = UDF_SB(sb);
+ struct genericPartitionMap *gpm;
lvd = (struct logicalVolDesc *)bh->b_data;
- UDF_SB_ALLOC_PARTMAPS(sb, le32_to_cpu(lvd->numPartitionMaps));
+ i = udf_sb_alloc_partition_maps(sb, le32_to_cpu(lvd->numPartitionMaps));
+ if (i != 0)
+ return i;
for (i = 0, offset = 0;
- i < UDF_SB_NUMPARTS(sb) && offset < le32_to_cpu(lvd->mapTableLength);
- i++, offset += ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapLength) {
- type = ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapType;
+ i < sbi->s_partitions && offset < le32_to_cpu(lvd->mapTableLength);
+ i++, offset += gpm->partitionMapLength) {
+ struct udf_part_map *map = &sbi->s_partmaps[i];
+ gpm = (struct genericPartitionMap *)
+ &(lvd->partitionMaps[offset]);
+ type = gpm->partitionMapType;
if (type == 1) {
- struct genericPartitionMap1 *gpm1 = (struct genericPartitionMap1 *)&(lvd->partitionMaps[offset]);
- UDF_SB_PARTTYPE(sb,i) = UDF_TYPE1_MAP15;
- UDF_SB_PARTVSN(sb,i) = le16_to_cpu(gpm1->volSeqNum);
- UDF_SB_PARTNUM(sb,i) = le16_to_cpu(gpm1->partitionNum);
- UDF_SB_PARTFUNC(sb,i) = NULL;
+ struct genericPartitionMap1 *gpm1 =
+ (struct genericPartitionMap1 *)gpm;
+ map->s_partition_type = UDF_TYPE1_MAP15;
+ map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum);
+ map->s_partition_num = le16_to_cpu(gpm1->partitionNum);
+ map->s_partition_func = NULL;
} else if (type == 2) {
- struct udfPartitionMap2 *upm2 = (struct udfPartitionMap2 *)&(lvd->partitionMaps[offset]);
- if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, strlen(UDF_ID_VIRTUAL))) {
- if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0150) {
- UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP15;
- UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt15;
- } else if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0200) {
- UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP20;
- UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt20;
+ struct udfPartitionMap2 *upm2 =
+ (struct udfPartitionMap2 *)gpm;
+ if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL,
+ strlen(UDF_ID_VIRTUAL))) {
+ u16 suf =
+ le16_to_cpu(((__le16 *)upm2->partIdent.
+ identSuffix)[0]);
+ if (suf == 0x0150) {
+ map->s_partition_type =
+ UDF_VIRTUAL_MAP15;
+ map->s_partition_func =
+ udf_get_pblock_virt15;
+ } else if (suf == 0x0200) {
+ map->s_partition_type =
+ UDF_VIRTUAL_MAP20;
+ map->s_partition_func =
+ udf_get_pblock_virt20;
}
- } else if (!strncmp(upm2->partIdent.ident, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE))) {
+ } else if (!strncmp(upm2->partIdent.ident,
+ UDF_ID_SPARABLE,
+ strlen(UDF_ID_SPARABLE))) {
uint32_t loc;
uint16_t ident;
struct sparingTable *st;
- struct sparablePartitionMap *spm = (struct sparablePartitionMap *)&(lvd->partitionMaps[offset]);
+ struct sparablePartitionMap *spm =
+ (struct sparablePartitionMap *)gpm;
- UDF_SB_PARTTYPE(sb,i) = UDF_SPARABLE_MAP15;
- UDF_SB_TYPESPAR(sb,i).s_packet_len = le16_to_cpu(spm->packetLength);
+ map->s_partition_type = UDF_SPARABLE_MAP15;
+ map->s_type_specific.s_sparing.s_packet_len =
+ le16_to_cpu(spm->packetLength);
for (j = 0; j < spm->numSparingTables; j++) {
- loc = le32_to_cpu(spm->locSparingTable[j]);
- UDF_SB_TYPESPAR(sb,i).s_spar_map[j] =
- udf_read_tagged(sb, loc, loc, &ident);
- if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL) {
- st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,i).s_spar_map[j]->b_data;
- if (ident != 0 ||
- strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) {
- brelse(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]);
- UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = NULL;
+ struct buffer_head *bh2;
+
+ loc = le32_to_cpu(
+ spm->locSparingTable[j]);
+ bh2 = udf_read_tagged(sb, loc, loc,
+ &ident);
+ map->s_type_specific.s_sparing.
+ s_spar_map[j] = bh2;
+
+ if (bh2 != NULL) {
+ st = (struct sparingTable *)
+ bh2->b_data;
+ if (ident != 0 || strncmp(
+ st->sparingIdent.ident,
+ UDF_ID_SPARING,
+ strlen(UDF_ID_SPARING))) {
+ brelse(bh2);
+ map->s_type_specific.
+ s_sparing.
+ s_spar_map[j] =
+ NULL;
}
}
}
- UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_spar15;
+ map->s_partition_func = udf_get_pblock_spar15;
} else {
- udf_debug("Unknown ident: %s\n", upm2->partIdent.ident);
+ udf_debug("Unknown ident: %s\n",
+ upm2->partIdent.ident);
continue;
}
- UDF_SB_PARTVSN(sb,i) = le16_to_cpu(upm2->volSeqNum);
- UDF_SB_PARTNUM(sb,i) = le16_to_cpu(upm2->partitionNum);
+ 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",
- i, UDF_SB_PARTNUM(sb,i), type, UDF_SB_PARTVSN(sb,i));
+ i, map->s_partition_num, type,
+ map->s_volumeseqnum);
}
if (fileset) {
long_ad *la = (long_ad *)&(lvd->logicalVolContentsUse[0]);
*fileset = lelb_to_cpu(la->extLocation);
- udf_debug("FileSet found in LogicalVolDesc at block=%d, partition=%d\n",
- fileset->logicalBlockNum,
+ udf_debug("FileSet found in LogicalVolDesc at block=%d, "
+ "partition=%d\n", fileset->logicalBlockNum,
fileset->partitionReferenceNum);
}
if (lvd->integritySeqExt.extLength)
@@ -1063,22 +1307,26 @@ static void udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
{
struct buffer_head *bh = NULL;
uint16_t ident;
+ struct udf_sb_info *sbi = UDF_SB(sb);
+ struct logicalVolIntegrityDesc *lvid;
while (loc.extLength > 0 &&
(bh = udf_read_tagged(sb, loc.extLocation,
loc.extLocation, &ident)) &&
ident == TAG_IDENT_LVID) {
- UDF_SB_LVIDBH(sb) = bh;
+ sbi->s_lvid_bh = bh;
+ lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
- if (UDF_SB_LVID(sb)->nextIntegrityExt.extLength)
- udf_load_logicalvolint(sb, leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt));
+ if (lvid->nextIntegrityExt.extLength)
+ udf_load_logicalvolint(sb,
+ leea_to_cpu(lvid->nextIntegrityExt));
- if (UDF_SB_LVIDBH(sb) != bh)
+ if (sbi->s_lvid_bh != bh)
brelse(bh);
loc.extLength -= sb->s_blocksize;
loc.extLocation++;
}
- if (UDF_SB_LVIDBH(sb) != bh)
+ if (sbi->s_lvid_bh != bh)
brelse(bh);
}
@@ -1097,11 +1345,12 @@ static void udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
* July 1, 1997 - Andrew E. Mileski
* Written, tested, and released.
*/
-static int udf_process_sequence(struct super_block *sb, long block, long lastblock,
- kernel_lb_addr *fileset)
+static int udf_process_sequence(struct super_block *sb, long block,
+ long lastblock, 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;
int done = 0;
@@ -1124,43 +1373,51 @@ static int udf_process_sequence(struct super_block *sb, long block, long lastblo
vdsn = le32_to_cpu(gd->volDescSeqNum);
switch (ident) {
case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */
- if (vdsn >= vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum) {
- vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = vdsn;
- vds[VDS_POS_PRIMARY_VOL_DESC].block = block;
+ 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 */
- if (vdsn >= vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum) {
- vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum = vdsn;
- vds[VDS_POS_VOL_DESC_PTR].block = block;
+ 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_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;
}
break;
case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */
- if (vdsn >= vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum) {
- vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = vdsn;
- vds[VDS_POS_IMP_USE_VOL_DESC].block = block;
+ 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 */
- if (!vds[VDS_POS_PARTITION_DESC].block)
- vds[VDS_POS_PARTITION_DESC].block = block;
+ curr = &vds[VDS_POS_PARTITION_DESC];
+ if (!curr->block)
+ curr->block = block;
break;
case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */
- if (vdsn >= vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum) {
- vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = vdsn;
- vds[VDS_POS_LOGICAL_VOL_DESC].block = block;
+ 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 */
- if (vdsn >= vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) {
- vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum = vdsn;
- vds[VDS_POS_UNALLOC_SPACE_DESC].block = block;
+ curr = &vds[VDS_POS_UNALLOC_SPACE_DESC];
+ if (vdsn >= curr->volDescSeqNum) {
+ curr->volDescSeqNum = vdsn;
+ curr->block = block;
}
break;
case TAG_IDENT_TD: /* ISO 13346 3/10.9 */
@@ -1169,32 +1426,38 @@ static int udf_process_sequence(struct super_block *sb, long block, long lastblo
block = next_s;
lastblock = next_e;
next_s = next_e = 0;
- } else {
+ } else
done = 1;
- }
break;
}
brelse(bh);
}
for (i = 0; i < VDS_POS_LENGTH; i++) {
if (vds[i].block) {
- bh = udf_read_tagged(sb, vds[i].block, vds[i].block, &ident);
+ bh = udf_read_tagged(sb, vds[i].block, vds[i].block,
+ &ident);
if (i == VDS_POS_PRIMARY_VOL_DESC) {
udf_load_pvoldesc(sb, bh);
} else if (i == VDS_POS_LOGICAL_VOL_DESC) {
- udf_load_logicalvol(sb, bh, fileset);
+ if (udf_load_logicalvol(sb, bh, fileset)) {
+ brelse(bh);
+ return 1;
+ }
} else if (i == VDS_POS_PARTITION_DESC) {
struct buffer_head *bh2 = NULL;
if (udf_load_partdesc(sb, bh)) {
brelse(bh);
return 1;
}
- for (j = vds[i].block + 1; j < vds[VDS_POS_TERMINATING_DESC].block; j++) {
+ for (j = vds[i].block + 1;
+ j < vds[VDS_POS_TERMINATING_DESC].block;
+ j++) {
bh2 = udf_read_tagged(sb, j, j, &ident);
gd = (struct generic_desc *)bh2->b_data;
if (ident == TAG_IDENT_PD)
- if (udf_load_partdesc(sb, bh2)) {
+ if (udf_load_partdesc(sb,
+ bh2)) {
brelse(bh);
brelse(bh2);
return 1;
@@ -1222,14 +1485,17 @@ static int udf_check_valid(struct super_block *sb, int novrs, int silent)
}
/* Check that it is NSR02 compliant */
/* Process any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1) */
- else if ((block = udf_vrs(sb, silent)) == -1) {
- udf_debug("Failed to read byte 32768. Assuming open disc. "
- "Skipping validity check\n");
- if (!UDF_SB_LASTBLOCK(sb))
- UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb);
- return 0;
- } else {
- return !block;
+ else {
+ block = udf_vrs(sb, silent);
+ if (block == -1) {
+ struct udf_sb_info *sbi = UDF_SB(sb);
+ udf_debug("Failed to read byte 32768. Assuming open "
+ "disc. Skipping validity check\n");
+ if (!sbi->s_last_block)
+ sbi->s_last_block = udf_get_last_block(sb);
+ return 0;
+ } else
+ return !block;
}
}
@@ -1240,100 +1506,121 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
struct buffer_head *bh;
long main_s, main_e, reserve_s, reserve_e;
int i, j;
+ struct udf_sb_info *sbi;
if (!sb)
return 1;
+ sbi = UDF_SB(sb);
- for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
- if (UDF_SB_ANCHOR(sb)[i] &&
- (bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i],
- UDF_SB_ANCHOR(sb)[i], &ident))) {
- anchor = (struct anchorVolDescPtr *)bh->b_data;
+ for (i = 0; i < ARRAY_SIZE(sbi->s_anchor); i++) {
+ if (!sbi->s_anchor[i])
+ continue;
+ bh = udf_read_tagged(sb, sbi->s_anchor[i], sbi->s_anchor[i],
+ &ident);
+ if (!bh)
+ continue;
- /* Locate the main sequence */
- 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;
+ anchor = (struct anchorVolDescPtr *)bh->b_data;
- /* 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;
+ /* Locate the main sequence */
+ 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;
- brelse(bh);
+ /* 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;
- /* Process the main & reserve sequences */
- /* responsible for finding the PartitionDesc(s) */
- if (!(udf_process_sequence(sb, main_s, main_e, fileset) &&
- udf_process_sequence(sb, reserve_s, reserve_e, fileset))) {
- break;
- }
- }
+ brelse(bh);
+
+ /* Process the main & reserve sequences */
+ /* responsible for finding the PartitionDesc(s) */
+ if (!(udf_process_sequence(sb, main_s, main_e,
+ fileset) &&
+ udf_process_sequence(sb, reserve_s, reserve_e,
+ fileset)))
+ break;
}
- if (i == ARRAY_SIZE(UDF_SB_ANCHOR(sb))) {
+ if (i == ARRAY_SIZE(sbi->s_anchor)) {
udf_debug("No Anchor block found\n");
return 1;
- } else
- udf_debug("Using anchor in block %d\n", UDF_SB_ANCHOR(sb)[i]);
+ }
+ udf_debug("Using anchor in block %d\n", sbi->s_anchor[i]);
- for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
+ for (i = 0; i < sbi->s_partitions; i++) {
kernel_lb_addr uninitialized_var(ino);
- switch (UDF_SB_PARTTYPE(sb, i)) {
+ struct udf_part_map *map = &sbi->s_partmaps[i];
+ switch (map->s_partition_type) {
case UDF_VIRTUAL_MAP15:
case UDF_VIRTUAL_MAP20:
- if (!UDF_SB_LASTBLOCK(sb)) {
- UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb);
+ if (!sbi->s_last_block) {
+ sbi->s_last_block = udf_get_last_block(sb);
udf_find_anchor(sb);
}
- if (!UDF_SB_LASTBLOCK(sb)) {
+ if (!sbi->s_last_block) {
udf_debug("Unable to determine Lastblock (For "
"Virtual Partition)\n");
return 1;
}
- for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) {
+ for (j = 0; j < sbi->s_partitions; j++) {
+ struct udf_part_map *map2 = &sbi->s_partmaps[j];
if (j != i &&
- UDF_SB_PARTVSN(sb, i) == UDF_SB_PARTVSN(sb, j) &&
- UDF_SB_PARTNUM(sb, i) == UDF_SB_PARTNUM(sb, j)) {
+ map->s_volumeseqnum ==
+ map2->s_volumeseqnum &&
+ map->s_partition_num ==
+ map2->s_partition_num) {
ino.partitionReferenceNum = j;
- ino.logicalBlockNum = UDF_SB_LASTBLOCK(sb) - UDF_SB_PARTROOT(sb, j);
+ ino.logicalBlockNum =
+ sbi->s_last_block -
+ map2->s_partition_root;
break;
}
}
- if (j == UDF_SB_NUMPARTS(sb))
+ if (j == sbi->s_partitions)
return 1;
- if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino)))
+ sbi->s_vat_inode = udf_iget(sb, ino);
+ if (!sbi->s_vat_inode)
return 1;
- if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP15) {
- UDF_SB_TYPEVIRT(sb, i).s_start_offset =
- udf_ext0_offset(UDF_SB_VAT(sb));
- UDF_SB_TYPEVIRT(sb, i).s_num_entries =
- (UDF_SB_VAT(sb)->i_size - 36) >> 2;
- } else if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP20) {
- struct buffer_head *bh = NULL;
+ if (map->s_partition_type == UDF_VIRTUAL_MAP15) {
+ map->s_type_specific.s_virtual.s_start_offset =
+ udf_ext0_offset(sbi->s_vat_inode);
+ map->s_type_specific.s_virtual.s_num_entries =
+ (sbi->s_vat_inode->i_size - 36) >> 2;
+ } else if (map->s_partition_type == UDF_VIRTUAL_MAP20) {
uint32_t pos;
+ struct virtualAllocationTable20 *vat20;
- pos = udf_block_map(UDF_SB_VAT(sb), 0);
+ pos = udf_block_map(sbi->s_vat_inode, 0);
bh = sb_bread(sb, pos);
if (!bh)
return 1;
- UDF_SB_TYPEVIRT(sb, i).s_start_offset =
- le16_to_cpu(((struct virtualAllocationTable20 *)bh->b_data +
- udf_ext0_offset(UDF_SB_VAT(sb)))->lengthHeader) +
- udf_ext0_offset(UDF_SB_VAT(sb));
- UDF_SB_TYPEVIRT(sb, i).s_num_entries = (UDF_SB_VAT(sb)->i_size -
- UDF_SB_TYPEVIRT(sb, i).s_start_offset) >> 2;
+ vat20 = (struct virtualAllocationTable20 *)
+ bh->b_data +
+ udf_ext0_offset(sbi->s_vat_inode);
+ map->s_type_specific.s_virtual.s_start_offset =
+ le16_to_cpu(vat20->lengthHeader) +
+ udf_ext0_offset(sbi->s_vat_inode);
+ map->s_type_specific.s_virtual.s_num_entries =
+ (sbi->s_vat_inode->i_size -
+ map->s_type_specific.s_virtual.
+ s_start_offset) >> 2;
brelse(bh);
}
- UDF_SB_PARTROOT(sb, i) = udf_get_pblock(sb, 0, i, 0);
- UDF_SB_PARTLEN(sb, i) = UDF_SB_PARTLEN(sb, ino.partitionReferenceNum);
+ map->s_partition_root = udf_get_pblock(sb, 0, i, 0);
+ map->s_partition_len =
+ sbi->s_partmaps[ino.partitionReferenceNum].
+ s_partition_len;
}
}
return 0;
@@ -1341,62 +1628,86 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
static void udf_open_lvid(struct super_block *sb)
{
- if (UDF_SB_LVIDBH(sb)) {
- int i;
+ struct udf_sb_info *sbi = UDF_SB(sb);
+ struct buffer_head *bh = sbi->s_lvid_bh;
+ if (bh) {
kernel_timestamp cpu_time;
+ struct logicalVolIntegrityDesc *lvid =
+ (struct logicalVolIntegrityDesc *)bh->b_data;
+ struct logicalVolIntegrityDescImpUse *lvidiu =
+ udf_sb_lvidiu(sbi);
- UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
- UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
+ lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
+ lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
if (udf_time_to_stamp(&cpu_time, CURRENT_TIME))
- UDF_SB_LVID(sb)->recordingDateAndTime = cpu_to_lets(cpu_time);
- UDF_SB_LVID(sb)->integrityType = LVID_INTEGRITY_TYPE_OPEN;
-
- UDF_SB_LVID(sb)->descTag.descCRC = cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag),
- le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0));
+ lvid->recordingDateAndTime = cpu_to_lets(cpu_time);
+ lvid->integrityType = LVID_INTEGRITY_TYPE_OPEN;
- UDF_SB_LVID(sb)->descTag.tagChecksum = 0;
- for (i = 0; i < 16; i++)
- if (i != 4)
- UDF_SB_LVID(sb)->descTag.tagChecksum +=
- ((uint8_t *) &(UDF_SB_LVID(sb)->descTag))[i];
+ lvid->descTag.descCRC = cpu_to_le16(
+ udf_crc((char *)lvid + sizeof(tag),
+ le16_to_cpu(lvid->descTag.descCRCLength),
+ 0));
- mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+ lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag);
+ mark_buffer_dirty(bh);
}
}
static void udf_close_lvid(struct super_block *sb)
{
kernel_timestamp cpu_time;
- int i;
+ struct udf_sb_info *sbi = UDF_SB(sb);
+ struct buffer_head *bh = sbi->s_lvid_bh;
+ struct logicalVolIntegrityDesc *lvid;
+
+ if (!bh)
+ return;
+
+ lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
- if (UDF_SB_LVIDBH(sb) &&
- UDF_SB_LVID(sb)->integrityType == LVID_INTEGRITY_TYPE_OPEN) {
- UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
- UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
+ if (lvid->integrityType == LVID_INTEGRITY_TYPE_OPEN) {
+ struct logicalVolIntegrityDescImpUse *lvidiu =
+ udf_sb_lvidiu(sbi);
+ lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
+ lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
if (udf_time_to_stamp(&cpu_time, CURRENT_TIME))
- UDF_SB_LVID(sb)->recordingDateAndTime = cpu_to_lets(cpu_time);
- if (UDF_MAX_WRITE_VERSION > le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev))
- UDF_SB_LVIDIU(sb)->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION);
- if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev))
- UDF_SB_LVIDIU(sb)->minUDFReadRev = cpu_to_le16(UDF_SB_UDFREV(sb));
- if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev))
- UDF_SB_LVIDIU(sb)->minUDFWriteRev = cpu_to_le16(UDF_SB_UDFREV(sb));
- UDF_SB_LVID(sb)->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE);
-
- UDF_SB_LVID(sb)->descTag.descCRC =
- cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag),
- le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0));
-
- UDF_SB_LVID(sb)->descTag.tagChecksum = 0;
- for (i = 0; i < 16; i++)
- if (i != 4)
- UDF_SB_LVID(sb)->descTag.tagChecksum +=
- ((uint8_t *)&(UDF_SB_LVID(sb)->descTag))[i];
-
- mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+ lvid->recordingDateAndTime = cpu_to_lets(cpu_time);
+ if (UDF_MAX_WRITE_VERSION > le16_to_cpu(lvidiu->maxUDFWriteRev))
+ lvidiu->maxUDFWriteRev =
+ cpu_to_le16(UDF_MAX_WRITE_VERSION);
+ if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFReadRev))
+ 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);
+
+ lvid->descTag.descCRC = cpu_to_le16(
+ udf_crc((char *)lvid + sizeof(tag),
+ le16_to_cpu(lvid->descTag.descCRCLength),
+ 0));
+
+ lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag);
+ mark_buffer_dirty(bh);
}
}
+static void udf_sb_free_bitmap(struct udf_bitmap *bitmap)
+{
+ int i;
+ int nr_groups = bitmap->s_nr_groups;
+ int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) *
+ nr_groups);
+
+ for (i = 0; i < nr_groups; i++)
+ if (bitmap->s_block_bitmap[i])
+ brelse(bitmap->s_block_bitmap[i]);
+
+ if (size <= PAGE_SIZE)
+ kfree(bitmap);
+ else
+ vfree(bitmap);
+}
+
/*
* udf_read_super
*
@@ -1426,16 +1737,15 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
uopt.gid = -1;
uopt.umask = 0;
- sbi = kmalloc(sizeof(struct udf_sb_info), GFP_KERNEL);
+ sbi = kzalloc(sizeof(struct udf_sb_info), GFP_KERNEL);
if (!sbi)
return -ENOMEM;
sb->s_fs_info = sbi;
- memset(UDF_SB(sb), 0x00, sizeof(struct udf_sb_info));
mutex_init(&sbi->s_alloc_mutex);
- if (!udf_parse_options((char *)options, &uopt))
+ if (!udf_parse_options((char *)options, &uopt, false))
goto error_out;
if (uopt.flags & (1 << UDF_FLAG_UTF8) &&
@@ -1459,30 +1769,31 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
fileset.logicalBlockNum = 0xFFFFFFFF;
fileset.partitionReferenceNum = 0xFFFF;
- UDF_SB(sb)->s_flags = uopt.flags;
- UDF_SB(sb)->s_uid = uopt.uid;
- UDF_SB(sb)->s_gid = uopt.gid;
- UDF_SB(sb)->s_umask = uopt.umask;
- UDF_SB(sb)->s_nls_map = uopt.nls_map;
+ sbi->s_flags = uopt.flags;
+ sbi->s_uid = uopt.uid;
+ sbi->s_gid = uopt.gid;
+ sbi->s_umask = uopt.umask;
+ sbi->s_nls_map = uopt.nls_map;
/* Set the block size for all transfers */
if (!udf_set_blocksize(sb, uopt.blocksize))
goto error_out;
if (uopt.session == 0xFFFFFFFF)
- UDF_SB_SESSION(sb) = udf_get_last_session(sb);
+ sbi->s_session = udf_get_last_session(sb);
else
- UDF_SB_SESSION(sb) = uopt.session;
+ sbi->s_session = uopt.session;
- udf_debug("Multi-session=%d\n", UDF_SB_SESSION(sb));
+ udf_debug("Multi-session=%d\n", sbi->s_session);
- UDF_SB_LASTBLOCK(sb) = uopt.lastblock;
- UDF_SB_ANCHOR(sb)[0] = UDF_SB_ANCHOR(sb)[1] = 0;
- UDF_SB_ANCHOR(sb)[2] = uopt.anchor;
- UDF_SB_ANCHOR(sb)[3] = 256;
+ sbi->s_last_block = uopt.lastblock;
+ sbi->s_anchor[0] = sbi->s_anchor[1] = 0;
+ sbi->s_anchor[2] = uopt.anchor;
+ sbi->s_anchor[3] = 256;
- if (udf_check_valid(sb, uopt.novrs, silent)) { /* read volume recognition sequences */
- printk("UDF-fs: No VRS found\n");
+ if (udf_check_valid(sb, uopt.novrs, silent)) {
+ /* read volume recognition sequences */
+ printk(KERN_WARNING "UDF-fs: No VRS found\n");
goto error_out;
}
@@ -1496,27 +1807,30 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
sb->s_time_gran = 1000;
if (udf_load_partition(sb, &fileset)) {
- printk("UDF-fs: No partition found (1)\n");
+ printk(KERN_WARNING "UDF-fs: No partition found (1)\n");
goto error_out;
}
- udf_debug("Lastblock=%d\n", UDF_SB_LASTBLOCK(sb));
+ udf_debug("Lastblock=%d\n", sbi->s_last_block);
- if (UDF_SB_LVIDBH(sb)) {
- uint16_t minUDFReadRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev);
- uint16_t minUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev);
- /* uint16_t maxUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev); */
+ if (sbi->s_lvid_bh) {
+ struct logicalVolIntegrityDescImpUse *lvidiu =
+ udf_sb_lvidiu(sbi);
+ uint16_t minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev);
+ uint16_t minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev);
+ /* uint16_t maxUDFWriteRev =
+ le16_to_cpu(lvidiu->maxUDFWriteRev); */
if (minUDFReadRev > UDF_MAX_READ_VERSION) {
- printk("UDF-fs: minUDFReadRev=%x (max is %x)\n",
- le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev),
+ printk(KERN_ERR "UDF-fs: minUDFReadRev=%x "
+ "(max is %x)\n",
+ le16_to_cpu(lvidiu->minUDFReadRev),
UDF_MAX_READ_VERSION);
goto error_out;
- } else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION) {
+ } else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION)
sb->s_flags |= MS_RDONLY;
- }
- UDF_SB_UDFREV(sb) = minUDFWriteRev;
+ sbi->s_udfrev = minUDFWriteRev;
if (minUDFReadRev >= UDF_VERS_USE_EXTENDED_FE)
UDF_SET_FLAG(sb, UDF_FLAG_USE_EXTENDED_FE);
@@ -1524,29 +1838,30 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
UDF_SET_FLAG(sb, UDF_FLAG_USE_STREAMS);
}
- if (!UDF_SB_NUMPARTS(sb)) {
- printk("UDF-fs: No partition found (2)\n");
+ if (!sbi->s_partitions) {
+ printk(KERN_WARNING "UDF-fs: No partition found (2)\n");
goto error_out;
}
- if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_READ_ONLY) {
- printk("UDF-fs: Partition marked readonly; forcing readonly mount\n");
+ if (sbi->s_partmaps[sbi->s_partition].s_partition_flags &
+ UDF_PART_FLAG_READ_ONLY) {
+ printk(KERN_NOTICE "UDF-fs: Partition marked readonly; "
+ "forcing readonly mount\n");
sb->s_flags |= MS_RDONLY;
}
if (udf_find_fileset(sb, &fileset, &rootdir)) {
- printk("UDF-fs: No fileset found\n");
+ printk(KERN_WARNING "UDF-fs: No fileset found\n");
goto error_out;
}
if (!silent) {
kernel_timestamp ts;
- udf_time_to_stamp(&ts, UDF_SB_RECORDTIME(sb));
- udf_info("UDF %s (%s) Mounting volume '%s', "
+ udf_time_to_stamp(&ts, sbi->s_record_time);
+ udf_info("UDF: Mounting volume '%s', "
"timestamp %04u/%02u/%02u %02u:%02u (%x)\n",
- UDFFS_VERSION, UDFFS_DATE,
- UDF_SB_VOLIDENT(sb), ts.year, ts.month, ts.day, ts.hour, ts.minute,
- ts.typeAndTimezone);
+ sbi->s_volume_ident, ts.year, ts.month, ts.day,
+ ts.hour, ts.minute, ts.typeAndTimezone);
}
if (!(sb->s_flags & MS_RDONLY))
udf_open_lvid(sb);
@@ -1556,7 +1871,8 @@ 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 (!inode) {
- printk("UDF-fs: Error in udf_iget, block=%d, partition=%d\n",
+ printk(KERN_ERR "UDF-fs: Error in udf_iget, block=%d, "
+ "partition=%d\n",
rootdir.logicalBlockNum, rootdir.partitionReferenceNum);
goto error_out;
}
@@ -1564,7 +1880,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
/* Allocate a dentry for the root inode */
sb->s_root = d_alloc_root(inode);
if (!sb->s_root) {
- printk("UDF-fs: Couldn't allocate root dentry\n");
+ printk(KERN_ERR "UDF-fs: Couldn't allocate root dentry\n");
iput(inode);
goto error_out;
}
@@ -1572,30 +1888,32 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
return 0;
error_out:
- if (UDF_SB_VAT(sb))
- iput(UDF_SB_VAT(sb));
- if (UDF_SB_NUMPARTS(sb)) {
- if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE)
- iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
- if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE)
- iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
- if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP)
- UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_uspace);
- if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP)
- UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_fspace);
- if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) {
+ if (sbi->s_vat_inode)
+ iput(sbi->s_vat_inode);
+ if (sbi->s_partitions) {
+ struct udf_part_map *map = &sbi->s_partmaps[sbi->s_partition];
+ if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
+ iput(map->s_uspace.s_table);
+ if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
+ iput(map->s_fspace.s_table);
+ if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
+ udf_sb_free_bitmap(map->s_uspace.s_bitmap);
+ if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
+ udf_sb_free_bitmap(map->s_fspace.s_bitmap);
+ if (map->s_partition_type == UDF_SPARABLE_MAP15)
for (i = 0; i < 4; i++)
- brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
- }
+ brelse(map->s_type_specific.s_sparing.
+ s_spar_map[i]);
}
#ifdef CONFIG_UDF_NLS
if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
- unload_nls(UDF_SB(sb)->s_nls_map);
+ unload_nls(sbi->s_nls_map);
#endif
if (!(sb->s_flags & MS_RDONLY))
udf_close_lvid(sb);
- brelse(UDF_SB_LVIDBH(sb));
- UDF_SB_FREE(sb);
+ brelse(sbi->s_lvid_bh);
+
+ kfree(sbi->s_partmaps);
kfree(sbi);
sb->s_fs_info = NULL;
@@ -1614,7 +1932,7 @@ void udf_error(struct super_block *sb, const char *function,
va_start(args, fmt);
vsnprintf(error_buf, sizeof(error_buf), fmt, args);
va_end(args);
- printk (KERN_CRIT "UDF-fs error (device %s): %s: %s\n",
+ printk(KERN_CRIT "UDF-fs error (device %s): %s: %s\n",
sb->s_id, function, error_buf);
}
@@ -1646,31 +1964,34 @@ void udf_warning(struct super_block *sb, const char *function,
static void udf_put_super(struct super_block *sb)
{
int i;
+ struct udf_sb_info *sbi;
- if (UDF_SB_VAT(sb))
- iput(UDF_SB_VAT(sb));
- if (UDF_SB_NUMPARTS(sb)) {
- if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE)
- iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
- if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE)
- iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
- if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP)
- UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_uspace);
- if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP)
- UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_fspace);
- if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) {
+ sbi = UDF_SB(sb);
+ if (sbi->s_vat_inode)
+ iput(sbi->s_vat_inode);
+ if (sbi->s_partitions) {
+ struct udf_part_map *map = &sbi->s_partmaps[sbi->s_partition];
+ if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
+ iput(map->s_uspace.s_table);
+ if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
+ iput(map->s_fspace.s_table);
+ if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
+ udf_sb_free_bitmap(map->s_uspace.s_bitmap);
+ if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
+ udf_sb_free_bitmap(map->s_fspace.s_bitmap);
+ if (map->s_partition_type == UDF_SPARABLE_MAP15)
for (i = 0; i < 4; i++)
- brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
- }
+ brelse(map->s_type_specific.s_sparing.
+ s_spar_map[i]);
}
#ifdef CONFIG_UDF_NLS
if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
- unload_nls(UDF_SB(sb)->s_nls_map);
+ unload_nls(sbi->s_nls_map);
#endif
if (!(sb->s_flags & MS_RDONLY))
udf_close_lvid(sb);
- brelse(UDF_SB_LVIDBH(sb));
- UDF_SB_FREE(sb);
+ brelse(sbi->s_lvid_bh);
+ kfree(sbi->s_partmaps);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
}
@@ -1691,15 +2012,22 @@ static void udf_put_super(struct super_block *sb)
static int udf_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct super_block *sb = dentry->d_sb;
+ struct udf_sb_info *sbi = UDF_SB(sb);
+ struct logicalVolIntegrityDescImpUse *lvidiu;
+
+ if (sbi->s_lvid_bh != NULL)
+ lvidiu = udf_sb_lvidiu(sbi);
+ else
+ lvidiu = NULL;
buf->f_type = UDF_SUPER_MAGIC;
buf->f_bsize = sb->s_blocksize;
- buf->f_blocks = UDF_SB_PARTLEN(sb, UDF_SB_PARTITION(sb));
+ buf->f_blocks = sbi->s_partmaps[sbi->s_partition].s_partition_len;
buf->f_bfree = udf_count_free(sb);
buf->f_bavail = buf->f_bfree;
- buf->f_files = (UDF_SB_LVIDBH(sb) ?
- (le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) +
- le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + buf->f_bfree;
+ buf->f_files = (lvidiu != NULL ? (le32_to_cpu(lvidiu->numFiles) +
+ le32_to_cpu(lvidiu->numDirs)) : 0)
+ + buf->f_bfree;
buf->f_ffree = buf->f_bfree;
/* __kernel_fsid_t f_fsid */
buf->f_namelen = UDF_NAME_LEN - 2;
@@ -1711,7 +2039,8 @@ static unsigned char udf_bitmap_lookup[16] = {
0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4
};
-static unsigned int udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
+static unsigned int udf_count_free_bitmap(struct super_block *sb,
+ struct udf_bitmap *bitmap)
{
struct buffer_head *bh = NULL;
unsigned int accum = 0;
@@ -1727,7 +2056,7 @@ static unsigned int udf_count_free_bitmap(struct super_block *sb, struct udf_bit
lock_kernel();
loc.logicalBlockNum = bitmap->s_extPosition;
- loc.partitionReferenceNum = UDF_SB_PARTITION(sb);
+ loc.partitionReferenceNum = UDF_SB(sb)->s_partition;
bh = udf_read_ptagged(sb, loc, 0, &ident);
if (!bh) {
@@ -1772,7 +2101,8 @@ out:
return accum;
}
-static unsigned int udf_count_free_table(struct super_block *sb, struct inode *table)
+static unsigned int udf_count_free_table(struct super_block *sb,
+ struct inode *table)
{
unsigned int accum = 0;
uint32_t elen;
@@ -1782,13 +2112,13 @@ static unsigned int udf_count_free_table(struct super_block *sb, struct inode *t
lock_kernel();
- epos.block = UDF_I_LOCATION(table);
+ epos.block = UDF_I(table)->i_location;
epos.offset = sizeof(struct unallocSpaceEntry);
epos.bh = NULL;
- while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
+ while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1)
accum += (elen >> table->i_sb->s_blocksize_bits);
- }
+
brelse(epos.bh);
unlock_kernel();
@@ -1799,10 +2129,17 @@ static unsigned int udf_count_free_table(struct super_block *sb, struct inode *t
static unsigned int udf_count_free(struct super_block *sb)
{
unsigned int accum = 0;
-
- if (UDF_SB_LVIDBH(sb)) {
- if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) > UDF_SB_PARTITION(sb)) {
- accum = le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]);
+ struct udf_sb_info *sbi;
+ struct udf_part_map *map;
+
+ sbi = UDF_SB(sb);
+ if (sbi->s_lvid_bh) {
+ struct logicalVolIntegrityDesc *lvid =
+ (struct logicalVolIntegrityDesc *)
+ sbi->s_lvid_bh->b_data;
+ if (le32_to_cpu(lvid->numOfPartitions) > sbi->s_partition) {
+ accum = le32_to_cpu(
+ lvid->freeSpaceTable[sbi->s_partition]);
if (accum == 0xFFFFFFFF)
accum = 0;
}
@@ -1811,24 +2148,25 @@ static unsigned int udf_count_free(struct super_block *sb)
if (accum)
return accum;
- if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) {
+ map = &sbi->s_partmaps[sbi->s_partition];
+ if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) {
accum += udf_count_free_bitmap(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_bitmap);
+ map->s_uspace.s_bitmap);
}
- if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) {
+ if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) {
accum += udf_count_free_bitmap(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_bitmap);
+ map->s_fspace.s_bitmap);
}
if (accum)
return accum;
- if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) {
+ if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) {
accum += udf_count_free_table(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
+ map->s_uspace.s_table);
}
- if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) {
+ if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) {
accum += udf_count_free_table(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
+ map->s_fspace.s_table);
}
return accum;
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-07 14:41:53 +0000