Re: [PATCH] reiserfs: Truncate blocks not used by a write

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On Tue 01-09-09 13:42:56, Christoph Hellwig wrote:
> On Tue, Sep 01, 2009 at 05:55:54PM +0200, Jan Kara wrote:
> > It can happen that write does not use all the blocks allocated in write_begin
> > either because of some filesystem error (like ENOSPC) or because page with
> > data to write has been removed from memory. We truncate these blocks so that
> > we don't have dangling blocks beyond i_size. 
> 
> vmtruncate is in the process of going away for 2.6.32.  Please use a
> filesystems-specific routine to just trim the blocks, similar to what
> the vmtruncate call in the generic write_begin helper is beeing replaced
> with in Nick's truncate patch series.
  Reiserfs does not have such helper (yet), that's why I've used
vmtruncate. But OK, I'll try to convert reiserfs to the new truncate
sequence and then make this fix use it...

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