From f4bcbbd92ebda971f7c2cd1132b399808ed6cf9b Mon Sep 17 00:00:00 2001 From: Sebastian Manciulea Date: Tue, 8 Apr 2008 14:02:11 +0200 Subject: [PATCH] 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 Signed-off-by: Jan Kara --- fs/udf/misc.c | 13 +++++-------- fs/udf/super.c | 2 +- 2 files changed, 6 insertions(+), 9 deletions(-) diff --git a/fs/udf/misc.c b/fs/udf/misc.c index 581b6e4cc591..96996204d928 100644 --- a/fs/udf/misc.c +++ b/fs/udf/misc.c @@ -203,16 +203,15 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block, { 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 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block, 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 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block, 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 650f20fe9d62..787cedf6cc07 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -587,7 +587,7 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options) 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; -- 2.39.2