lkml.org 
[lkml]   [2006]   [Feb]   [18]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateSat, 18 Feb 2006 01:45:29 -0800
FromAndrew Morton <>
SubjectRe: [PATCH 2/2] fix file counting
Dipankar Sarma <dipankar@in.ibm.com> wrote:
>
>  > -	if (get_nr_files() >= files_stat.max_files &&
>  > -				!capable(CAP_SYS_ADMIN))
>  > -		goto over;
>  > +	if (get_nr_files() >= files_stat.max_files && !capable(CAP_SYS_ADMIN)) {
>  > +		/*
>  > +		 * percpu_counters are inaccurate.  Do an expensive check before
>  > +		 * we go and fail.
>  > +		 */
>  > +		if (percpu_counter_sum(&nr_files) >= files_stat.max_files)
>  > +			goto over;
>  > +	}
> 
>  Slight optimization -
> 
>  	if (get_nr_files() >= files_stat.max_files) {
>  		if (capable(CAP_SYS_ADMIN)) {
>  		/*
>  		 * percpu_counters are inaccurate.  Do an expensive check before
>  		 * we go and fail.
>  		 */
>  			if (percpu_counter_sum(&nr_files) >= 
>  						files_stat.max_files)
>  				goto over;
>  		} else 
>  			goto over;
>  	}

That changes the behaviour for root.  Maybe you meant !capable(), but that
still changes the behaviour.  I'm all confused.


-
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: 2006-02-18 10:49    [from the cache]
©2003-2008