On Fri, May 09, 2008 at 02:41:08PM +0200, Miklos Szeredi wrote:
quoted text
> From: Miklos Szeredi <mszeredi@suse.cz>
> 
> EAGAIN does not make sense as a return value from a blocking lock

But nlm_stat_to_errno() is called in the non-blocking case too, right?
What am I missing?

--b.

quoted text
> request, the lock should be retried by the kernel until either it is
> successful or fails permanently.
> 
> Looking at the server side NLM_LCK_DENIED means a permanent error in
> this case, so just turn this into an ENOLCK.
> 
> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
> CC: Trond Myklebust <trond.myklebust@fys.uio.no>
> CC: "J. Bruce Fields" <bfields@fieldses.org>
> ---
>  fs/lockd/clntproc.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux-2.6/fs/lockd/clntproc.c
> ===================================================================
> --- linux-2.6.orig/fs/lockd/clntproc.c	2008-05-09 14:04:16.000000000 +0200
> +++ linux-2.6/fs/lockd/clntproc.c	2008-05-09 14:04:46.000000000 +0200
> @@ -808,7 +808,7 @@ nlm_stat_to_errno(__be32 status)
>  	case NLM_LCK_GRANTED:
>  		return 0;
>  	case NLM_LCK_DENIED:
> -		return -EAGAIN;
> +		return -ENOLCK;
>  	case NLM_LCK_DENIED_NOLOCKS:
>  	case NLM_LCK_DENIED_GRACE_PERIOD:
>  		return -ENOLCK;
> 
> --
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