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authorLinus Torvalds <torvalds@linux-foundation.org>2009-07-30 16:46:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-30 16:46:17 -0700
commit784b1d6b21cb25791b68276af27a7c2321d5a86f (patch)
tree06b21ba973390931d591e6ecf3ee38db2c0bdd92 /fs
parent691c5f7374ee3d48fd2c838261820a06e4be9043 (diff)
parent4bf17af0dbfe4cf20cb750e22e8e926273e7a7a4 (diff)
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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6: udf: Fix loading of VAT inode when drive wrongly reports number of recorded blocks
Diffstat (limited to 'fs')
-rw-r--r--fs/udf/super.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 6832135..9d1b8c2 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1087,11 +1087,23 @@ static int udf_load_vat(struct super_block *sb, int p_index, int type1_index)
struct udf_inode_info *vati;
uint32_t pos;
struct virtualAllocationTable20 *vat20;
+ sector_t blocks = sb->s_bdev->bd_inode->i_size >> sb->s_blocksize_bits;
/* VAT file entry is in the last recorded block */
ino.partitionReferenceNum = type1_index;
ino.logicalBlockNum = sbi->s_last_block - map->s_partition_root;
sbi->s_vat_inode = udf_iget(sb, &ino);
+ if (!sbi->s_vat_inode &&
+ sbi->s_last_block != blocks - 1) {
+ printk(KERN_NOTICE "UDF-fs: Failed to read VAT inode from the"
+ " last recorded block (%lu), retrying with the last "
+ "block of the device (%lu).\n",
+ (unsigned long)sbi->s_last_block,
+ (unsigned long)blocks - 1);
+ ino.partitionReferenceNum = type1_index;
+ ino.logicalBlockNum = blocks - 1 - map->s_partition_root;
+ sbi->s_vat_inode = udf_iget(sb, &ino);
+ }
if (!sbi->s_vat_inode)
return 1;