Hello
On Monday 18 September 2006 01:20, Pawel Jagoda wrote:
> > Hello
> >
> > On Saturday 16 September 2006 16:25, Pawel Jagoda wrote:
> >> Hello.
> >>
> >> I've backup my data - one file, which have 4060 MB. Unfortunetly I
> >> didn't
> >> point out that my destination file system is in old 3.5.x version. And
> >> of
> >> course I cannot read my data after 2GB (it says: Input/Output Error). I
> >> have converted my filesystem into 3.6.x, but still I'm not able to read
> >> this file. But if I create new file (for example: dd if=/dev/zero
> >> of=/mnt/hda3/some_file bs=1M count=3000), there is no problem to read
> >> it.
> >> Is it possible, to do something to restore my backup from this file? If
> >> yes, then how can I do it?
> >>
> >
> > Which kernel did you use?
> >
>
> 2.6.14.7
>
>
Please try whether the attached patch helps.
diff -puN fs/reiserfs/inode.c~reiserfs-debug-read fs/reiserfs/inode.c
diff -puN fs/reiserfs/inode.c~reiserfs-read-4gb-files fs/reiserfs/inode.c
--- linux-2.6.14.7/fs/reiserfs/inode.c~reiserfs-read-4gb-files 2006-09-19
01:41:46.000000000 +0400
+++ linux-2.6.14.7-vs/fs/reiserfs/inode.c 2006-09-19 01:41:46.000000000
+0400
@@ -206,7 +206,7 @@ static inline void set_block_dev_mapped(
static int file_capable(struct inode *inode, long block)
{
if (get_inode_item_key_version(inode) != KEY_FORMAT_3_5 || // it
is new file.
- block < (1 << (31 - inode->i_sb->s_blocksize_bits))) // old
file, but 'block' is inside of 2gb
+ block < (1 << (32 - inode->i_sb->s_blocksize_bits))) // old
file, but 'block' is inside of 2gb
return 1;
return 0;
_
