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Diffstat (limited to 'fs/udf/super.c')
-rw-r--r--fs/udf/super.c1023
1 files changed, 388 insertions, 635 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 72097ee6b75..7b30964665d 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -104,11 +104,11 @@ static int udf_get_sb(struct file_system_type *fs_type,
}
static struct file_system_type udf_fstype = {
- .owner = THIS_MODULE,
- .name = "udf",
- .get_sb = udf_get_sb,
- .kill_sb = kill_block_super,
- .fs_flags = FS_REQUIRES_DEV,
+ .owner = THIS_MODULE,
+ .name = "udf",
+ .get_sb = udf_get_sb,
+ .kill_sb = kill_block_super,
+ .fs_flags = FS_REQUIRES_DEV,
};
static struct kmem_cache *udf_inode_cachep;
@@ -116,8 +116,7 @@ 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 = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep, GFP_KERNEL);
if (!ei)
return NULL;
@@ -150,7 +149,7 @@ static int init_inodecache(void)
0, (SLAB_RECLAIM_ACCOUNT |
SLAB_MEM_SPREAD),
init_once);
- if (udf_inode_cachep == NULL)
+ if (!udf_inode_cachep)
return -ENOMEM;
return 0;
}
@@ -162,15 +161,15 @@ static void destroy_inodecache(void)
/* Superblock operations */
static const struct super_operations udf_sb_ops = {
- .alloc_inode = udf_alloc_inode,
- .destroy_inode = udf_destroy_inode,
- .write_inode = udf_write_inode,
- .delete_inode = udf_delete_inode,
- .clear_inode = udf_clear_inode,
- .put_super = udf_put_super,
- .write_super = udf_write_super,
- .statfs = udf_statfs,
- .remount_fs = udf_remount_fs,
+ .alloc_inode = udf_alloc_inode,
+ .destroy_inode = udf_destroy_inode,
+ .write_inode = udf_write_inode,
+ .delete_inode = udf_delete_inode,
+ .clear_inode = udf_clear_inode,
+ .put_super = udf_put_super,
+ .write_super = udf_write_super,
+ .statfs = udf_statfs,
+ .remount_fs = udf_remount_fs,
};
struct udf_options {
@@ -193,16 +192,20 @@ struct udf_options {
static int __init init_udf_fs(void)
{
int err;
+
err = init_inodecache();
if (err)
goto out1;
err = register_filesystem(&udf_fstype);
if (err)
goto out;
+
return 0;
- out:
+
+out:
destroy_inodecache();
- out1:
+
+out1:
return err;
}
@@ -213,7 +216,7 @@ static void __exit exit_udf_fs(void)
}
module_init(init_udf_fs)
- module_exit(exit_udf_fs)
+module_exit(exit_udf_fs)
/*
* udf_parse_options
@@ -239,7 +242,7 @@ module_init(init_udf_fs)
*
* The remaining are for debugging and disaster recovery:
*
- * novrs Skip volume sequence recognition
+ * novrs Skip volume sequence recognition
*
* The following expect a offset from 0.
*
@@ -268,6 +271,7 @@ module_init(init_udf_fs)
* July 1, 1997 - Andrew E. Mileski
* Written, tested, and released.
*/
+
enum {
Opt_novrs, Opt_nostrict, Opt_bs, Opt_unhide, Opt_undelete,
Opt_noadinicb, Opt_adinicb, Opt_shortad, Opt_longad,
@@ -278,32 +282,32 @@ enum {
};
static match_table_t tokens = {
- {Opt_novrs, "novrs"},
- {Opt_nostrict, "nostrict"},
- {Opt_bs, "bs=%u"},
- {Opt_unhide, "unhide"},
- {Opt_undelete, "undelete"},
- {Opt_noadinicb, "noadinicb"},
- {Opt_adinicb, "adinicb"},
- {Opt_shortad, "shortad"},
- {Opt_longad, "longad"},
- {Opt_uforget, "uid=forget"},
- {Opt_uignore, "uid=ignore"},
- {Opt_gforget, "gid=forget"},
- {Opt_gignore, "gid=ignore"},
- {Opt_gid, "gid=%u"},
- {Opt_uid, "uid=%u"},
- {Opt_umask, "umask=%o"},
- {Opt_session, "session=%u"},
- {Opt_lastblock, "lastblock=%u"},
- {Opt_anchor, "anchor=%u"},
- {Opt_volume, "volume=%u"},
- {Opt_partition, "partition=%u"},
- {Opt_fileset, "fileset=%u"},
- {Opt_rootdir, "rootdir=%u"},
- {Opt_utf8, "utf8"},
- {Opt_iocharset, "iocharset=%s"},
- {Opt_err, NULL}
+ {Opt_novrs, "novrs"},
+ {Opt_nostrict, "nostrict"},
+ {Opt_bs, "bs=%u"},
+ {Opt_unhide, "unhide"},
+ {Opt_undelete, "undelete"},
+ {Opt_noadinicb, "noadinicb"},
+ {Opt_adinicb, "adinicb"},
+ {Opt_shortad, "shortad"},
+ {Opt_longad, "longad"},
+ {Opt_uforget, "uid=forget"},
+ {Opt_uignore, "uid=ignore"},
+ {Opt_gforget, "gid=forget"},
+ {Opt_gignore, "gid=ignore"},
+ {Opt_gid, "gid=%u"},
+ {Opt_uid, "uid=%u"},
+ {Opt_umask, "umask=%o"},
+ {Opt_session, "session=%u"},
+ {Opt_lastblock, "lastblock=%u"},
+ {Opt_anchor, "anchor=%u"},
+ {Opt_volume, "volume=%u"},
+ {Opt_partition, "partition=%u"},
+ {Opt_fileset, "fileset=%u"},
+ {Opt_rootdir, "rootdir=%u"},
+ {Opt_utf8, "utf8"},
+ {Opt_iocharset, "iocharset=%s"},
+ {Opt_err, NULL}
};
static int udf_parse_options(char *options, struct udf_options *uopt)
@@ -444,9 +448,11 @@ static int udf_parse_options(char *options, struct udf_options *uopt)
void udf_write_super(struct super_block *sb)
{
lock_kernel();
+
if (!(sb->s_flags & MS_RDONLY))
udf_open_lvid(sb);
sb->s_dirt = 0;
+
unlock_kernel();
}
@@ -455,16 +461,16 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
struct udf_options uopt;
uopt.flags = UDF_SB(sb)->s_flags;
- uopt.uid = UDF_SB(sb)->s_uid;
- uopt.gid = UDF_SB(sb)->s_gid;
+ uopt.uid = UDF_SB(sb)->s_uid;
+ uopt.gid = UDF_SB(sb)->s_gid;
uopt.umask = UDF_SB(sb)->s_umask;
if (!udf_parse_options(options, &uopt))
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_uid = uopt.uid;
+ UDF_SB(sb)->s_gid = uopt.gid;
UDF_SB(sb)->s_umask = uopt.umask;
if (UDF_SB_LVIDBH(sb)) {
@@ -517,6 +523,7 @@ static int udf_set_blocksize(struct super_block *sb, int bsize)
printk(KERN_ERR "udf: bad block size (%d)\n", bsize);
return 0;
}
+
return sb->s_blocksize;
}
@@ -552,15 +559,12 @@ 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:
@@ -587,21 +591,13 @@ static int udf_vrs(struct super_block *sb, int silent)
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)) {
+ } 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);
@@ -644,11 +640,10 @@ static void udf_find_anchor(struct super_block *sb)
if (lastblock) {
int varlastblock = udf_variable_to_fixed(lastblock);
- int last[] = { lastblock, lastblock - 2,
- lastblock - 150, lastblock - 152,
- varlastblock, varlastblock - 2,
- varlastblock - 150, varlastblock - 152
- };
+ int last[] = { lastblock, lastblock - 2,
+ lastblock - 150, lastblock - 152,
+ varlastblock, varlastblock - 2,
+ varlastblock - 150, varlastblock - 152 };
lastblock = 0;
@@ -664,88 +659,54 @@ static void udf_find_anchor(struct super_block *sb)
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);
+ ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
+ location = le32_to_cpu(((tag *)bh->b_data)->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)) {
+ 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)) {
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);
- } else
- udf_debug
- ("Anchor found at block %d, location mismatch %d.\n",
- last[i], location);
- } else if (ident == TAG_IDENT_FE
- || ident == TAG_IDENT_EFE) {
+ 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);
+ } else {
+ udf_debug("Anchor found at block %d, location mismatch %d.\n",
+ last[i], location);
+ }
+ } else if (ident == TAG_IDENT_FE || ident == TAG_IDENT_EFE) {
lastblock = last[i];
UDF_SB_ANCHOR(sb)[3] = 512;
} else {
- if (last[i] < 256
- || !(bh = sb_bread(sb, last[i] - 256))) {
+ 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);
+ ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
+ location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
brelse(bh);
}
if (ident == TAG_IDENT_AVDP &&
- location ==
- last[i] - 256 - UDF_SB_SESSION(sb)) {
+ location == last[i] - 256 - UDF_SB_SESSION(sb)) {
lastblock = last[i];
UDF_SB_ANCHOR(sb)[1] = last[i] - 256;
} else {
- if (last[i] < 312 + UDF_SB_SESSION(sb)
- || !(bh =
- sb_bread(sb,
- last[i] - 312 -
- UDF_SB_SESSION(sb))))
- {
+ 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);
+ ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
+ location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
brelse(bh);
}
if (ident == TAG_IDENT_AVDP &&
- location ==
- udf_variable_to_fixed(last[i]) -
- 256) {
- UDF_SET_FLAG(sb,
- UDF_FLAG_VARCONV);
- lastblock =
- udf_variable_to_fixed(last
- [i]);
- UDF_SB_ANCHOR(sb)[1] =
- lastblock - 256;
+ location == udf_variable_to_fixed(last[i]) - 256) {
+ UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
+ lastblock = udf_variable_to_fixed(last[i]);
+ UDF_SB_ANCHOR(sb)[1] = lastblock - 256;
}
}
}
@@ -755,9 +716,8 @@ 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);
+ ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
+ location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
brelse(bh);
if (ident == TAG_IDENT_AVDP && location == 256)
@@ -767,19 +727,13 @@ 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))) {
+ if (!(bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i],
+ UDF_SB_ANCHOR(sb)[i], &ident))) {
UDF_SB_ANCHOR(sb)[i] = 0;
} else {
brelse(bh);
- if ((ident != TAG_IDENT_AVDP) && (i ||
- (ident !=
- TAG_IDENT_FE
- && ident !=
- TAG_IDENT_EFE)))
- {
+ if ((ident != TAG_IDENT_AVDP) &&
+ (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) {
UDF_SB_ANCHOR(sb)[i] = 0;
}
}
@@ -789,9 +743,7 @@ static void udf_find_anchor(struct super_block *sb)
UDF_SB_LASTBLOCK(sb) = 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;
@@ -801,18 +753,19 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset,
fileset->partitionReferenceNum != 0xFFFF) {
bh = udf_read_ptagged(sb, *fileset, 0, &ident);
- if (!bh)
+ if (!bh) {
return 1;
- else if (ident != TAG_IDENT_FSD) {
+ } else if (ident != TAG_IDENT_FSD) {
brelse(bh);
return 1;
}
}
- if (!bh) { /* Search backwards through the partitions */
+ 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;
@@ -820,14 +773,11 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset,
fileset->logicalBlockNum == 0xFFFFFFFF &&
fileset->partitionReferenceNum == 0xFFFF);
newfileset.partitionReferenceNum--) {
- lastblock =
- UDF_SB_PARTLEN(sb,
- newfileset.partitionReferenceNum);
+ lastblock = UDF_SB_PARTLEN(sb, newfileset.partitionReferenceNum);
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;
@@ -835,38 +785,28 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset,
switch (ident) {
case TAG_IDENT_SBD:
- {
- struct spaceBitmapDesc *sp;
- sp = (struct spaceBitmapDesc *)
- bh->b_data;
- newfileset.logicalBlockNum +=
- 1 +
- ((le32_to_cpu
- (sp->numOfBytes) +
- sizeof(struct
- spaceBitmapDesc) -
- 1)
- >> sb->s_blocksize_bits);
- brelse(bh);
- break;
- }
+ {
+ struct spaceBitmapDesc *sp;
+ sp = (struct spaceBitmapDesc *)bh->b_data;
+ newfileset.logicalBlockNum += 1 +
+ ((le32_to_cpu(sp->numOfBytes) +
+ sizeof(struct spaceBitmapDesc) - 1)
+ >> sb->s_blocksize_bits);
+ brelse(bh);
+ break;
+ }
case TAG_IDENT_FSD:
- {
- *fileset = newfileset;
- break;
- }
+ *fileset = newfileset;
+ break;
default:
- {
- newfileset.logicalBlockNum++;
- brelse(bh);
- bh = NULL;
- break;
- }
+ newfileset.logicalBlockNum++;
+ brelse(bh);
+ bh = NULL;
+ break;
}
- }
- while (newfileset.logicalBlockNum < lastblock &&
- fileset->logicalBlockNum == 0xFFFFFFFF &&
- fileset->partitionReferenceNum == 0xFFFF);
+ } while (newfileset.logicalBlockNum < lastblock &&
+ fileset->logicalBlockNum == 0xFFFFFFFF &&
+ fileset->partitionReferenceNum == 0xFFFF);
}
}
@@ -898,10 +838,10 @@ 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",
- recording, recording_usec, ts.year, ts.month, ts.day,
- ts.hour, ts.minute, ts.typeAndTimezone);
+ 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;
}
@@ -920,9 +860,8 @@ static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
}
}
-static void
-udf_load_fileset(struct super_block *sb, struct buffer_head *bh,
- kernel_lb_addr * root)
+static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh,
+ kernel_lb_addr *root)
{
struct fileSetDesc *fset;
@@ -945,121 +884,72 @@ static void udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
for (i = 0; i < UDF_SB_NUMPARTS(sb); 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)) {
+ 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)) {
struct partitionHeaderDesc *phd;
- phd =
- (struct partitionHeaderDesc *)(p->
- partitionContentsUse);
+ phd = (struct partitionHeaderDesc *)(p->partitionContentsUse);
if (phd->unallocSpaceTable.extLength) {
- kernel_lb_addr loc =
- { le32_to_cpu(phd->
- unallocSpaceTable.
- extPosition), i };
-
- UDF_SB_PARTMAPS(sb)[i].s_uspace.
- s_table = udf_iget(sb, loc);
- UDF_SB_PARTFLAGS(sb, i) |=
- UDF_PART_FLAG_UNALLOC_TABLE;
- udf_debug
- ("unallocSpaceTable (part %d) @ %ld\n",
- i,
- UDF_SB_PARTMAPS(sb)[i].s_uspace.
- s_table->i_ino);
+ kernel_lb_addr loc = {
+ .logicalBlockNum = le32_to_cpu(phd->unallocSpaceTable.extPosition),
+ .partitionReferenceNum = i,
+ };
+
+ UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table =
+ udf_iget(sb, loc);
+ UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_TABLE;
+ udf_debug("unallocSpaceTable (part %d) @ %ld\n",
+ i, UDF_SB_PARTMAPS(sb)[i].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 =
- le32_to_cpu(phd->
- unallocSpaceBitmap.
- extLength);
- UDF_SB_PARTMAPS(sb)[i].s_uspace.
- s_bitmap->s_extPosition =
- le32_to_cpu(phd->
- unallocSpaceBitmap.
- extPosition);
- UDF_SB_PARTFLAGS(sb, i) |=
- UDF_PART_FLAG_UNALLOC_BITMAP;
- udf_debug
- ("unallocSpaceBitmap (part %d) @ %d\n",
- i,
- UDF_SB_PARTMAPS(sb)[i].
- s_uspace.s_bitmap->
- s_extPosition);
+ if (UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap != NULL) {
+ UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extLength =
+ le32_to_cpu(phd->unallocSpaceBitmap.extLength);
+ UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition =
+ le32_to_cpu(phd->unallocSpaceBitmap.extPosition);
+ UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_BITMAP;
+ udf_debug("unallocSpaceBitmap (part %d) @ %d\n",
+ i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition);
}
}
if (phd->partitionIntegrityTable.extLength)
- udf_debug
- ("partitionIntegrityTable (part %d)\n",
- i);
+ udf_debug("partitionIntegrityTable (part %d)\n", i);
if (phd->freedSpaceTable.extLength) {
- kernel_lb_addr loc =
- { le32_to_cpu(phd->freedSpaceTable.
- extPosition), i };
-
- UDF_SB_PARTMAPS(sb)[i].s_fspace.
- s_table = udf_iget(sb, loc);
- UDF_SB_PARTFLAGS(sb, i) |=
- UDF_PART_FLAG_FREED_TABLE;
- udf_debug
- ("freedSpaceTable (part %d) @ %ld\n",
- i,
- UDF_SB_PARTMAPS(sb)[i].s_fspace.
- s_table->i_ino);
+ kernel_lb_addr loc = {
+ .logicalBlockNum = le32_to_cpu(phd->freedSpaceTable.extPosition),
+ .partitionReferenceNum = i,
+ };
+
+ UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table =
+ udf_iget(sb, loc);
+ UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_TABLE;
+ udf_debug("freedSpaceTable (part %d) @ %ld\n",
+ i, UDF_SB_PARTMAPS(sb)[i].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 =
- le32_to_cpu(phd->
- freedSpaceBitmap.
- extLength);
- UDF_SB_PARTMAPS(sb)[i].s_fspace.
- s_bitmap->s_extPosition =
- le32_to_cpu(phd->
- freedSpaceBitmap.
- extPosition);
- UDF_SB_PARTFLAGS(sb, i) |=
- UDF_PART_FLAG_FREED_BITMAP;
- udf_debug
- ("freedSpaceBitmap (part %d) @ %d\n",
- i,
- UDF_SB_PARTMAPS(sb)[i].
- s_fspace.s_bitmap->
- s_extPosition);
+ if (UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap != NULL) {
+ UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extLength =
+ le32_to_cpu(phd->freedSpaceBitmap.extLength);
+ UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition =
+ le32_to_cpu(phd->freedSpaceBitmap.extPosition);
+ UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_BITMAP;
+ udf_debug("freedSpaceBitmap (part %d) @ %d\n",
+ i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition);
}
}
}
@@ -1070,16 +960,14 @@ static void udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
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));
+ 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));
}
}
-static int
-udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh,
- kernel_lb_addr * fileset)
+static int udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh,
+ kernel_lb_addr *fileset)
{
struct logicalVolDesc *lvd;
int i, j, offset;
@@ -1090,116 +978,69 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh,
UDF_SB_ALLOC_PARTMAPS(sb, le32_to_cpu(lvd->numPartitionMaps));
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 < 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;
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 *)&(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;
} 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 *)&(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;
}
- } 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]);
-
- UDF_SB_PARTTYPE(sb, i) = UDF_SPARABLE_MAP15;
- UDF_SB_TYPESPAR(sb, i).s_packet_len =
- le16_to_cpu(spm->packetLength);
+ struct sparablePartitionMap *spm = (struct sparablePartitionMap *)&(lvd->partitionMaps[offset]);
+
+ UDF_SB_PARTTYPE(sb,i) = UDF_SPARABLE_MAP15;
+ UDF_SB_TYPESPAR(sb,i).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;
+ 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;
}
}
}
- UDF_SB_PARTFUNC(sb, i) = udf_get_pblock_spar15;
+ UDF_SB_PARTFUNC(sb,i) = 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);
+ UDF_SB_PARTVSN(sb,i) = le16_to_cpu(upm2->volSeqNum);
+ UDF_SB_PARTNUM(sb,i) = 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, UDF_SB_PARTNUM(sb,i), type, UDF_SB_PARTVSN(sb,i));
}
if (fileset) {
- long_ad *la = (long_ad *) & (lvd->logicalVolContentsUse[0]);
+ 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, fileset->partitionReferenceNum);
+ udf_debug("FileSet found in LogicalVolDesc at block=%d, partition=%d\n",
+ fileset->logicalBlockNum,
+ fileset->partitionReferenceNum);
}
if (lvd->integritySeqExt.extLength)
udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt));
+
return 0;
}
@@ -1219,9 +1060,7 @@ static void udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
UDF_SB_LVIDBH(sb) = bh;
if (UDF_SB_LVID(sb)->nextIntegrityExt.extLength)
- udf_load_logicalvolint(sb,
- leea_to_cpu(UDF_SB_LVID(sb)->
- nextIntegrityExt));
+ udf_load_logicalvolint(sb, leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt));
if (UDF_SB_LVIDBH(sb) != bh)
brelse(bh);
@@ -1247,9 +1086,8 @@ 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];
@@ -1274,82 +1112,71 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock,
gd = (struct generic_desc *)bh->b_data;
vdsn = le32_to_cpu(gd->volDescSeqNum);
switch (ident) {
- case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */
+ 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].volDescSeqNum = vdsn;
vds[VDS_POS_PRIMARY_VOL_DESC].block = block;
}
break;
- case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */
+ 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;
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 */
+ 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].volDescSeqNum = vdsn;
vds[VDS_POS_IMP_USE_VOL_DESC].block = block;
}
break;
- case TAG_IDENT_PD: /* ISO 13346 3/10.5 */
+ case TAG_IDENT_PD: /* ISO 13346 3/10.5 */
if (!vds[VDS_POS_PARTITION_DESC].block)
vds[VDS_POS_PARTITION_DESC].block = block;
break;
- case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */
+ 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].volDescSeqNum = vdsn;
vds[VDS_POS_LOGICAL_VOL_DESC].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;
+ 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;
}
break;
- case TAG_IDENT_TD: /* ISO 13346 3/10.9 */
+ case TAG_IDENT_TD: /* ISO 13346 3/10.9 */
vds[VDS_POS_TERMINATING_DESC].block = block;
if (next_e) {
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)
+ if (i == VDS_POS_PRIMARY_VOL_DESC) {
udf_load_pvoldesc(sb, bh);
- else if (i == VDS_POS_LOGICAL_VOL_DESC)
+ } else if (i == VDS_POS_LOGICAL_VOL_DESC) {
udf_load_logicalvol(sb, bh, fileset);
- else if (i == VDS_POS_PARTITION_DESC) {
+ } else if (i == VDS_POS_PARTITION_DESC) {
struct buffer_head *bh2 = NULL;
udf_load_partdesc(sb, bh);
- 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)
@@ -1378,16 +1205,17 @@ 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");
+ 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
+ } else {
return !block;
+ }
}
-static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset)
+static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
{
struct anchorVolDescPtr *anchor;
uint16_t ident;
@@ -1399,28 +1227,20 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset)
return 1;
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))) {
+ 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;
/* Locate the main sequence */
- main_s =
- le32_to_cpu(anchor->mainVolDescSeqExt.extLocation);
- main_e =
- le32_to_cpu(anchor->mainVolDescSeqExt.extLength);
+ 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;
/* Locate the reserve sequence */
- reserve_s =
- le32_to_cpu(anchor->reserveVolDescSeqExt.
- extLocation);
- reserve_e =
- le32_to_cpu(anchor->reserveVolDescSeqExt.extLength);
+ 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;
@@ -1428,10 +1248,8 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset)
/* 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))) {
+ if (!(udf_process_sequence(sb, main_s, main_e, fileset) &&
+ udf_process_sequence(sb, reserve_s, reserve_e, fileset))) {
break;
}
}
@@ -1444,81 +1262,67 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset)
udf_debug("Using anchor in block %d\n", UDF_SB_ANCHOR(sb)[i]);
for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
+ kernel_lb_addr uninitialized_var(ino);
switch (UDF_SB_PARTTYPE(sb, i)) {
case UDF_VIRTUAL_MAP15:
case UDF_VIRTUAL_MAP20:
- {
- kernel_lb_addr uninitialized_var(ino);
+ if (!UDF_SB_LASTBLOCK(sb)) {
+ UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb);
+ udf_find_anchor(sb);
+ }
- if (!UDF_SB_LASTBLOCK(sb)) {
- UDF_SB_LASTBLOCK(sb) =
- udf_get_last_block(sb);
- udf_find_anchor(sb);
- }
+ if (!UDF_SB_LASTBLOCK(sb)) {
+ udf_debug("Unable to determine Lastblock (For "
+ "Virtual Partition)\n");
+ return 1;
+ }
- if (!UDF_SB_LASTBLOCK(sb)) {
- udf_debug
- ("Unable to determine Lastblock (For Virtual Partition)\n");
- return 1;
+ for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) {
+ if (j != i && UDF_SB_PARTVSN(sb, i) ==
+ UDF_SB_PARTVSN(sb, j) &&
+ UDF_SB_PARTNUM(sb, i) ==
+ UDF_SB_PARTNUM(sb, j)) {
+ ino.partitionReferenceNum = j;
+ ino.logicalBlockNum =
+ UDF_SB_LASTBLOCK(sb) -
+ UDF_SB_PARTROOT(sb, j);
+ break;
}
+ }
- for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) {
- if (j != i &&
- UDF_SB_PARTVSN(sb,
- i) ==
- UDF_SB_PARTVSN(sb, j)
- && UDF_SB_PARTNUM(sb,
- i) ==
- UDF_SB_PARTNUM(sb, j)) {
- ino.partitionReferenceNum = j;
- ino.logicalBlockNum =
- UDF_SB_LASTBLOCK(sb) -
- UDF_SB_PARTROOT(sb, j);
- break;
- }
- }
+ if (j == UDF_SB_NUMPARTS(sb))
+ return 1;
- if (j == UDF_SB_NUMPARTS(sb))
- return 1;
+ if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino)))
+ return 1;
- if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino)))
- 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;
+ uint32_t pos;
- 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;
- uint32_t pos;
-
- pos = udf_block_map(UDF_SB_VAT(sb), 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;
- 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);
+ pos = udf_block_map(UDF_SB_VAT(sb), 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;
+ 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);
}
}
return 0;
@@ -1555,42 +1359,32 @@ static void udf_open_lvid(struct super_block *sb)
static void udf_close_lvid(struct super_block *sb)
{
+ kernel_timestamp cpu_time;
+ int i;
+
if (UDF_SB_LVIDBH(sb) &&
UDF_SB_LVID(sb)->integrityType == LVID_INTEGRITY_TYPE_OPEN) {
- int i;
- kernel_timestamp cpu_time;
-
UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
UDF_SB_LVIDIU(sb)->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)->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));
+ 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];
+ ((uint8_t *)&(UDF_SB_LVID(sb)->descTag))[i];
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
}
@@ -1628,6 +1422,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
sbi = kmalloc(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));
@@ -1679,7 +1474,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
UDF_SB_ANCHOR(sb)[2] = uopt.anchor;
UDF_SB_ANCHOR(sb)[3] = 256;
- if (udf_check_valid(sb, uopt.novrs, silent)) { /* read volume recognition sequences */
+ if (udf_check_valid(sb, uopt.novrs, silent)) { /* read volume recognition sequences */
printk("UDF-fs: No VRS found\n");
goto error_out;
}
@@ -1701,10 +1496,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
udf_debug("Lastblock=%d\n", UDF_SB_LASTBLOCK(sb));
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 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 (minUDFReadRev > UDF_MAX_READ_VERSION) {
@@ -1729,10 +1522,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
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 (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_READ_ONLY) {
+ printk("UDF-fs: Partition marked readonly; forcing readonly mount\n");
sb->s_flags |= MS_RDONLY;
}
@@ -1744,10 +1535,11 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
if (!silent) {
kernel_timestamp ts;
udf_time_to_stamp(&ts, UDF_SB_RECORDTIME(sb));
- udf_info
- ("UDF %s (%s) 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);
+ udf_info("UDF %s (%s) 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);
}
if (!(sb->s_flags & MS_RDONLY))
udf_open_lvid(sb);
@@ -1772,30 +1564,21 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
sb->s_maxbytes = MAX_LFS_FILESIZE;
return 0;
- error_out:
+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 (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) {
for (i = 0; i < 4; i++)
- brelse(UDF_SB_TYPESPAR
- (sb,
- UDF_SB_PARTITION(sb)).s_spar_map[i]);
+ brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
}
}
#ifdef CONFIG_UDF_NLS
@@ -1808,6 +1591,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
UDF_SB_FREE(sb);
kfree(sbi);
sb->s_fs_info = NULL;
+
return -EINVAL;
}
@@ -1823,8 +1607,8 @@ 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",
- sb->s_id, function, error_buf);
+ printk (KERN_CRIT "UDF-fs error (device %s): %s: %s\n",
+ sb->s_id, function, error_buf);
}
void udf_warning(struct super_block *sb, const char *function,
@@ -1859,26 +1643,17 @@ static void udf_put_super(struct super_block *sb)
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 (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) {
for (i = 0; i < 4; i++)
- brelse(UDF_SB_TYPESPAR
- (sb,
- UDF_SB_PARTITION(sb)).s_spar_map[i]);
+ brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
}
}
#ifdef CONFIG_UDF_NLS
@@ -1917,8 +1692,7 @@ static int udf_statfs(struct dentry *dentry, struct kstatfs *buf)
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;
+ le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + buf->f_bfree;
buf->f_ffree = buf->f_bfree;
/* __kernel_fsid_t f_fsid */
buf->f_namelen = UDF_NAME_LEN - 2;
@@ -1930,8 +1704,7 @@ 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;
@@ -1961,8 +1734,8 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
bm = (struct spaceBitmapDesc *)bh->b_data;
bytes = le32_to_cpu(bm->numOfBytes);
- index = sizeof(struct spaceBitmapDesc); /* offset in first block only */
- ptr = (uint8_t *) bh->b_data;
+ index = sizeof(struct spaceBitmapDesc); /* offset in first block only */
+ ptr = (uint8_t *)bh->b_data;
while (bytes > 0) {
while ((bytes > 0) && (index < sb->s_blocksize)) {
@@ -1981,19 +1754,18 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
goto out;
}
index = 0;
- ptr = (uint8_t *) bh->b_data;
+ ptr = (uint8_t *)bh->b_data;
}
}
brelse(bh);
- out:
+out:
unlock_kernel();
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;
@@ -2007,8 +1779,9 @@ udf_count_free_table(struct super_block *sb, struct inode *table)
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();
@@ -2021,12 +1794,8 @@ 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)]);
-
+ 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)]);
if (accum == 0xFFFFFFFF)
accum = 0;
}
@@ -2035,40 +1804,24 @@ 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) {
- accum +=
- udf_count_free_bitmap(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
- (sb)].s_uspace.
- s_bitmap);
+ if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) {
+ accum += udf_count_free_bitmap(sb,
+ UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_bitmap);
}
- if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
- UDF_PART_FLAG_FREED_BITMAP) {
- accum +=
- udf_count_free_bitmap(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
- (sb)].s_fspace.
- s_bitmap);
+ if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) {
+ accum += udf_count_free_bitmap(sb,
+ UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_bitmap);
}
if (accum)
return accum;
- if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
- UDF_PART_FLAG_UNALLOC_TABLE) {
- accum +=
- udf_count_free_table(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
- (sb)].s_uspace.
- s_table);
+ if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) {
+ accum += udf_count_free_table(sb,
+ 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) {
- accum +=
- udf_count_free_table(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
- (sb)].s_fspace.
- s_table);
+ if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) {
+ accum += udf_count_free_table(sb,
+ UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
}
return accum;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 05:00:15 +0000