lkml.org 
[lkml]   [2007]   [Jul]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: sysfs root link count broken in 2.6.22-git5

On Jul 19 2007 10:41, Jean Delvare wrote:
>> Well, just check if /sys/devices/ exists, that should be cheap enough. :)
>
>Yes, this is a possibility, and one I had considered at first. But I
>wasn't sure which subdirectory to check. sysfs isn't well known for its
>stability, and I didn't know which directories exist since the
>early days of sysfs, and which do not. For example, fs, kernel and
>module were not present in 2.6.5. I am also not sure if directories
>which exist today are guaranteed to exist forever. This is the reason
>why I decided to check the link count instead, basically checking that
>at least one subdirectory exists, without having to name it.

If anything exists, it is likely to be mounted.
opendir, 3x readdir, exit the loop, done :)


Jan
--
-
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: 2007-07-19 18:05    [from the cache]
©2003-2011 Jasper Spaans