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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6

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* '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
This commit is contained in:
Linus Torvalds 2009-07-30 16:46:17 -07:00
commit 784b1d6b21
1 changed files with 12 additions and 0 deletions
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12
fs/udf/super.c
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@ -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;