Re: df hangs on down nfs server mounted with hard,intr,can't kill

[Steve Dickson <SteveD@redhat.com>]

Lever, Charles wrote:

>zeroing the RPC counters is a little outside the scope of my
>patch, as i'm providing a whole new interface that is outside
>the /proc/net/rpc/* hierarchy.  this is work that might/should
>go in separately from mine?  
>
Yes.. I agree...  they are separate... and probably should stay separate.

>but one question:  why do you use a hex value for this interface?
>  
>
Two reasons, one the debug interface uses a numeral interface and
two,  I figured since nfsstat is already converting the command line
arguments into 'flag bits',  reusing those flags bits to tell the kernel
which stats should be zeroed would be fairly clean and non intrusive
way to do it.

>i thought /proc was supposed to be human-readable.  why not use
>"z" "zc" "zs" just like your nfsstat arguments so that one can
>just as easily do:
>
>  echo "zs" > /proc/net/rpc/nfs
>
>
>  nfsstat -zs
>
>  
>
Good point... I guess I just assumed the nfsstat interface would be used.

SteveD.


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