lkml.org 
[lkml]   [2007]   [Mar]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/5] revoke: core code
On Fri, 16 Mar 2007, Andrew Morton wrote:
> What you're trying to do here is very similar to truncate(), and truncate()
> has had a lot of work put into it, and it does work.

Indeed. revoke() is the same as truncate() without, well, the truncation
part.

On Fri, 16 Mar 2007, Andrew Morton wrote:
> However, modifying i_size like this might be a problem - the inode could be
> dirty and it'll get written to disk! Perhaps we could change i_size_read()
> to cheat and to return zero if there's a revoke in progress.

Hmph, it's probably going to get too painful so I'll look at adding some
hooks to do_generic_mapping_read()...

Pekka
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-03-16 15:49    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site