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Re: File real location

From	The Natural Philosopher <tnp@invalid.invalid>
Newsgroups	comp.os.linux.misc
Subject	Re: File real location
Date	2011-04-26 18:28 +0100
Organization	albasani.net
Message-ID	<ip6vck$hod$2@news.albasani.net> (permalink)
References	<pkaj88-cg8.ln1@myleafnode.oneyv.org> <87pqo9apss.fsf@araminta.anjou.terraraq.org.uk>

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Richard Kettlewell wrote:
> JimR <NotReallyMyEmail@example.net> writes:
> 
>> This applies to Unix as well as Linux, but has been bugging me for awhile.
>>
>> Supposed I have a filesystem that is optionally mounted.  Let's says
>> the mount point is
>> /foo
>>
>> Now I create a file on it, let's call it bar.  Now I have
>> /foo/bar
>>
>> In an alternative case, the filesystem is not mounted.  I can still
>> create a file bar in the directory foo, but it will fall onto the
>> default filesystem (likely root filesystem).
>>
>> How can I tell the difference between these 2 files, i.e., on which
>> filesystem did the file land?
> 
> stat() it and look at st_dev.
> 
I bow to a superior solution...

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Thread

File real location JimR <NotReallyMyEmail@example.net> - 2011-04-26 13:06 -0400
  Re: File real location Richard Kettlewell <rjk@greenend.org.uk> - 2011-04-26 18:24 +0100
    Re: File real location The Natural Philosopher <tnp@invalid.invalid> - 2011-04-26 18:28 +0100
      Re: File real location notbob <notbob@notbob.invalid> - 2011-04-26 18:08 +0000
        Re: File real location Richard Kettlewell <rjk@greenend.org.uk> - 2011-04-26 19:14 +0100
        Re: File real location Tim Watts <tw@dionic.net> - 2011-04-26 19:25 +0100
        Re: File real location unruh <unruh@wormhole.physics.ubc.ca> - 2011-04-26 18:43 +0000
        Re: File real location Chris Davies <chris-usenet@roaima.co.uk> - 2011-04-27 16:31 +0100
    Re: File real location Tim Watts <tw@dionic.net> - 2011-04-26 19:08 +0100
    Re: File real location JimR <NotReallyMyEmail@example.net> - 2011-04-26 14:43 -0400
      Re: File real location Richard Kettlewell <rjk@greenend.org.uk> - 2011-04-26 20:28 +0100
        Re: File real location JimR <NotReallyMyEmail@example.net> - 2011-04-26 17:00 -0400
  Re: File real location The Natural Philosopher <tnp@invalid.invalid> - 2011-04-26 18:27 +0100
  Re: File real location "Chris F.A. Johnson" <cfajohnson@gmail.com> - 2011-04-26 13:44 -0400
  Re: File real location unruh <unruh@wormhole.physics.ubc.ca> - 2011-04-26 17:52 +0000

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