From: NeilBrown <neilb@cse.unsw.edu.au>

Add OPEN claim type NFS4_OPEN_CLAIM_DELEGATE_CUR to nfsd4_open().

A delegation stateid and a name are provided.  OPEN with O_CREAT is not legal
with this claim type; otherwise, use the NFS4_OPEN_CLAIM_NULL code path to
lookup the filename to be opened.

Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 25-akpm/fs/nfsd/nfs4proc.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletion(-)

diff -puN fs/nfsd/nfs4proc.c~nfsd4-support-claim_delegate_cur fs/nfsd/nfs4proc.c
--- 25/fs/nfsd/nfs4proc.c~nfsd4-support-claim_delegate_cur	2005-04-07 19:09:55.000000000 -0700
+++ 25-akpm/fs/nfsd/nfs4proc.c	2005-04-07 19:09:55.000000000 -0700
@@ -198,6 +198,11 @@ nfsd4_open(struct svc_rqst *rqstp, struc
 	if (status)
 		goto out;
 	switch (open->op_claim_type) {
+		case NFS4_OPEN_CLAIM_DELEGATE_CUR:
+			status = nfserr_inval;
+			if (open->op_create)
+				goto out;
+			/* fall through */
 		case NFS4_OPEN_CLAIM_NULL:
 			/*
 			 * (1) set CURRENT_FH to the file being opened,
@@ -220,7 +225,6 @@ nfsd4_open(struct svc_rqst *rqstp, struc
 			if (status)
 				goto out;
 			break;
-		case NFS4_OPEN_CLAIM_DELEGATE_CUR:
              	case NFS4_OPEN_CLAIM_DELEGATE_PREV:
 			printk("NFSD: unsupported OPEN claim type %d\n",
 				open->op_claim_type);
_