Bug#189011: marked as done (libc6: Change ENOSPC 28 to /* No space or inodes left on device */)
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Date: Mon, 14 Apr 2003 12:12:51 -0700 (PDT)
From: change@nas.com
Subject: libc6: Change ENOSPC 28 to /* No space or inodes left on device */
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Package: libc6
Version: 2.3.1-10
Severity: normal
Thanks for maintaining Debian's libc6 package. I use it and
appreciate its importance.
A discussion of Debian bug report 188931 has suggested improving
how glibc reports when file-systems run out of inodes.
glibc currently returns errno 28, which is defined as
"No space left on device"
and is misleading. It should mention inodes.
Please:
1.) Review the Debian bug report at
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=188931
2.) and consider changing errno.h to say
#define ENOSPC 28 /* No space or inodes left on device */
Thanks,
Kingsley
-- System Information
Debian Release: testing/unstable
Kernel Version: Linux debian1.loaner.com 2.4.19-aa1 #1 Sat Nov 2 20:42:05 PST 2002 i686 unknown unknown GNU/Linux
Versions of the packages libc6 depends on:
ii libdb1-compat 2.1.3-4 The Berkeley database routines [glibc 2.0/2.
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Date: Fri, 18 Apr 2003 13:18:39 +0900
Message-ID: <80znmo30bk.wl@oris.opensource.jp>
From: GOTO Masanori <gotom@debian.or.jp>
To: "Kingsley G. Morse Jr." <change@nas.com>
Cc: GOTO Masanori <gotom@debian.or.jp>, 189011-done@bugs.debian.org,
Ben Collins <bcollins@debian.org>, jgoerzen@complete.org
Subject: Re: Bug#189011: libc6: Change ENOSPC 28 to /* No space or inodes left on device */
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Hi,
At Wed, 16 Apr 2003 06:01:15 -0700,
Kingsley G. Morse Jr. <change@nas.com> wrote:
> What would you think of reassigning this bug to
> the kernel, asking for mroe speciific error
> numbers to be returned by its file system?
I think it shouldn't be reassigned to any other packages. As Ben and
I wrote, it's the current un*x limitation, it's the current un*x
specification, it's difficult to fix. Sorry, I can't do anything. If
you invent the nice idea, please tell us or implement it to the
kernel! I close this bug.
Regards,
-- gotom
>
> Thanks,
> Kingsley
>
> On Wed:16:47, GOTO Masanori wrote:
> > Kingsley,
> >
> > Could I close this bug?
> >
> > Regards,
> > -- gotom
> >
> > At Wed, 16 Apr 2003 00:17:02 +0900,
> > GOTO Masanori wrote:
> > >
> > > At Mon, 14 Apr 2003 21:33:05 -0700,
> > > Kingsley G. Morse Jr. <change@nas.com> wrote:
> > > >
> > > > On Mon:16:09, Ben Collins wrote:
> > > > > Kingsley wrote:
> > > > > > glibc currently returns errno 28, which is
> > > > > > defined as
> > > > > >
> > > > > > "No space left on device"
> > > > > >
> > > > > > and is misleading. It should mention inodes.
> > > > >
> > > > > Inodes are a specific term that does not apply
> > > > > to all cases where ENOSPC is used. What happens
> > > > > if ENOSPC starts to be returned when an A/V
> > > > > filesystem runs out of "media blocks", should we
> > > > > then change it to "No space, inodes or media
> > > > > blocks left on device"? Not likely. ENOSPC is
> > > > > not specific to filesystems either.
> > > >
> > > > Good point.
> > >
> > > Yes, actually this problem is sometimes occured to develop the
> > > enhanced file system, and it's difficult to modify. From my
> > > experience, I can say that there is no generic way to resolve this
> > > issue on the novel unix. Only we can do is printing out actual kernel
> > > error message to syslog.
> > >
> > > >
> > > > Thanks.
> > > >
> > > > In light of your considerable experience in these
> > > > matters, do you happen to have any thoughts on how
> > > > more helpful error messages could be provided to
> > > > newbie users?
> > > >
> > > > For example, is there a way that glibc could
> > > > report specifically whether it's disk space,
> > > > inodes or media blocks that have been exhausted?
> > > >
> > > > Unique errnos???
> > >
> > > It might be filesystem issue which is implemented into kernel, not
> > > glibc.
> > >
> > > Glibc follows the error number which is returned from filesystem. If
> > > you define unique errnos, then your application should be aware such
> > > error, and such application becomes non-portable for various
> > > filesystems.
> > >
> > > Regards,
> > > -- gotom
> > >
> > > >
> > > > Thanks,
> > > > Kingsley
> > > >
> > > > >
> > > > > At most, this is a FAQ.
> > > > >
> > > > > -- Debian - http://www.debian.org/ Linux
> > > > > 1394 - http://www.linux1394.org/ Subversion -
> > > > > http://subversion.tigris.org/ Deqo -
> > > > > http://www.deqo.com/
> > > > >
> > > > > Content preview: > glibc currently returns
> > > > > errno 28, which is defined as
> > > > > > > "No space left on device" > > and is
> > > > > > > misleading. It should mention
> > > > > inodes. Inodes are a specific term that does
> > > > > not apply to all cases where ENOSPC is used.
> > > > > What happens if ENOSPC starts to be returned
> > > > > when an A/V filesystem runs out of "media
> > > > > blocks", should we then change it to "No
> > > > > space, inodes or media blocks left on device"?
> > > > > Not likely. ENOSPC is not specific to
> > > > > filesystems either. [...]
> > > > >
> > > > --
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> > > --
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