Re: [PATCH 1/1] udf: Fix incorrect final NOT_ALLOCATED (hole) extent length

[Jan Kara]

Hi Steve!

On Sun 16-06-19 11:28:46, Steve Magnani wrote:
> On 6/4/19 7:31 AM, Steve Magnani wrote:
> 
> > In some cases, using the 'truncate' command to extend a UDF file results
> > in a mismatch between the length of the file's extents (specifically, due
> > to incorrect length of the final NOT_ALLOCATED extent) and the information
> > (file) length. The discrepancy can prevent other operating systems
> > (i.e., Windows 10) from opening the file.
> > 
> > Two particular errors have been observed when extending a file:
> > 
> > 1. The final extent is larger than it should be, having been rounded up
> >     to a multiple of the block size.
> > 
> > B. The final extent is shorter than it should be, due to not having
> >     been updated when the file's information length was increased.
> 
> Wondering if you've seen this, or if something got lost in a spam folder.

Sorry for not getting to you earlier. I've seen the patches and they look
reasonable to me. I just wanted to have a one more closer look but last
weeks were rather busy so I didn't get to it. I'll look into it this week.
Thanks a lot for debugging the problem and sending the fixes!

								Honza
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR