lkml.org 
[lkml]   [2003]   [May]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Race between vmtruncate and mapped areas?
Dave McCracken <dmccr@us.ibm.com> wrote:
>
> > It would be nice to make them go away - they cause problems.
>
> Definitely. We almost have the pieces necessary to detect it and/or
> prevent it, but the info isn't in quite the right layer at the right time.
> If it weren't for the lock order problem with mmap_sem we could have nailed
> it that way. Sigh.

I think it might be sufficient to re-check the page against i_size
after IO completion in filemap_nopage().
-
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: 2005-03-22 13:35    [W:0.067 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site