[PATCH] cifs: Add information about noserverino

Suresh Jayaraman sjayaraman at suse.de
Thu Dec 9 04:40:28 MST 2010

On 12/06/2010 09:08 PM, Jeff Layton wrote:
> On Mon, 06 Dec 2010 16:35:06 +0100
> Bernhard Walle <bernhard at bwalle.de> wrote:
>> Zitat von Jeff Layton <jlayton at redhat.com>:
>>> I'm still not sure I like this patch however. It potentially means a
>>> lot of printk spam since these things have no ratelimiting. It also
>>> doesn't tell me anything about which server might be giving me grief.
>>> Maybe this should be turned into a cFYI?
>> Well, if I see it in the kernel log, it doesn't matter if it's info or
>> something else.
>>> The bottom line though is that running 32-bit applications that were
>>> built without -D_FILE_OFFSET_BITS=64 on a 64-bit kernel is a very bad
>>> idea. It would be nice to be able to alert users that things aren't
>>> working the way they expect, but I'm not sure this is the right place
>>> to do that.
>> Well, but there *are* such application (in my case it was Softmaker Office
>> which is a proprietary word processor) and it's quite nice if you know
>> how you can workaround it when you encounter such a problem. That's all.
> Sure...but this problem is not limited to CIFS. Many modern filesystems
> use 64-bit inodes. Running this application on XFS or NFS for instance
> is likely to give you the same trouble. You just hit it on CIFS because
> the server happened to give you a very large inode number.
> If we're going to add printk's for this situation, it probably ought to
> be in a more generic place.

By generic place, did you mean at the VFS level? I think at VFS level,
there is little information about the Server or underlying fs and this
information doesn't seem too critical that VFS should warn/care much about.

May be sticking to a cFYI along with Server detail is a good idea?

Suresh Jayaraman

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