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

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On 29/12/2011 3:54 μμ, Konstantinos Skarlatos wrote:
On Πέμπτη, 29 Δεκέμβριος 2011 3:39:30 μμ, Jeff Layton wrote:
On Thu, 29 Dec 2011 12:30:18 +0200
Konstantinos Skarlatos<k.skarlatos@xxxxxxxxx>  wrote:

On 29/12/2011 4:04 πμ, Jeff Layton wrote:
On Thu, 29 Dec 2011 02:08:57 +0200
Konstantinos Skarlatos<k.skarlatos@xxxxxxxxx>   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?

140 folders and 20 files

Attached is a tcp dump of my session.

<<attachment: cifs-traffic.zip>>


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