linux-kernel - Re: cifs: ls of mount point gives input/output error (probably related to CIFS: getdents() broken for large dirs)

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Message-ID: <20111229083930.77fafba8@tlielax.poochiereds.net>
Date:	Thu, 29 Dec 2011 08:39:30 -0500
From:	Jeff Layton <jlayton@...hat.com>
To:	Konstantinos Skarlatos <k.skarlatos@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-cifs@...r.kernel.org
Subject: Re: cifs: ls of mount point gives input/output error (probably
 related to CIFS: getdents() broken for large dirs)

On Thu, 29 Dec 2011 12:30:18 +0200
Konstantinos Skarlatos <k.skarlatos@...il.com> wrote:

> On 29/12/2011 4:04 πμ, Jeff Layton wrote:
> > On Thu, 29 Dec 2011 02:08:57 +0200
> > Konstantinos Skarlatos<k.skarlatos@...il.com>  wrote:
> >
> >> I mount via cifs a windows XP share, df gives me correct sizes, but when
> >> I ls the mount point i get input/output error.
> >> strace: http://pastebin.com/WXf8M1nu
> >>
> >> mount --verbose -t cifs -o username=administrator,password=blahblah
> >> //192.168.0.11/jobs /mnt/backups/montaz/jobs
> >> mount.cifs kernel mount options:
> >> ip=192.168.0.11,unc=\\192.168.0.11\jobs,,ver=1,user=administrator,pass=********
> >>
> >> df
> >> //192.168.0.11/jobs                                       114464
> >> 105196      9268  92% /mnt/backups/montaz/jobs
> >>
> >> ls /mnt/backups/montaz/jobs/
> >> ls: reading directory /mnt/backups/montaz/jobs/: Input/output error
> >> total 0
> >>
> >> the fun thing is that i can cd to a lower level directory, and ls works
> >> fine there! only the mount point has the problem
> >>
> >> ls /mnt/backups/montaz/jobs/test
> >> total 44K
> >> drwxr-xr-x 1 root root    0 Apr 30  2010 blah blah/
> >> ......
> >>
> >> kernel version 3.2rc7
> >>
> >> this seems to be related to :
> >> https://lkml.org/lkml/2011/8/1/427
> >> Re: [3.0.0+][Regression][Bisected] CIFS: getdents() broken for large dirs
> >>
> > Hmmm, maybe. What makes you think that it's related? What sort of
> > server are you seeing this against?
> Windows XP service pack 2 (greek)


How many files are in the directory?

-- 
Jeff Layton <jlayton@...hat.com>
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