udf: Fix handling of multisession media
According to OSTA UDF specification, only anchor blocks and primary volume
descriptors are placed on media relative to the last session. All other block
numbers are absolute (in the partition or the whole media). This seems to be
confirmed by multisession media created by other systems.
Signed-off-by: Sebastian Manciulea <manciuleas@yahoo.com>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index 581b6e4..9699620 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -203,16 +203,15 @@
{
tag *tag_p;
struct buffer_head *bh = NULL;
- struct udf_sb_info *sbi = UDF_SB(sb);
/* Read the block */
if (block == 0xFFFFFFFF)
return NULL;
- bh = udf_tread(sb, block + sbi->s_session);
+ bh = udf_tread(sb, block);
if (!bh) {
udf_debug("block=%d, location=%d: read failed\n",
- block + sbi->s_session, location);
+ block, location);
return NULL;
}
@@ -222,8 +221,7 @@
if (location != le32_to_cpu(tag_p->tagLocation)) {
udf_debug("location mismatch block %u, tag %u != %u\n",
- block + sbi->s_session,
- le32_to_cpu(tag_p->tagLocation), location);
+ block, le32_to_cpu(tag_p->tagLocation), location);
goto error_out;
}
@@ -247,9 +245,8 @@
le16_to_cpu(tag_p->descCRCLength), 0))
return bh;
- udf_debug("Crc failure block %d: crc = %d, crclen = %d\n",
- block + sbi->s_session, le16_to_cpu(tag_p->descCRC),
- le16_to_cpu(tag_p->descCRCLength));
+ udf_debug("Crc failure block %d: crc = %d, crclen = %d\n", block,
+ le16_to_cpu(tag_p->descCRC), le16_to_cpu(tag_p->descCRCLength));
error_out:
brelse(bh);
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 650f20f..787cedf 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -587,7 +587,7 @@
static int udf_vrs(struct super_block *sb, int silent)
{
struct volStructDesc *vsd = NULL;
- int sector = 32768;
+ loff_t sector = 32768;
int sectorsize;
struct buffer_head *bh = NULL;
int iso9660 = 0;