Merge git://git.linux-nfs.org/pub/linux/nfs-2.6

* git://git.linux-nfs.org/pub/linux/nfs-2.6: (118 commits)
  NFSv4: Iterate through all nfs_clients when the server recalls a delegation
  NFSv4: Deal more correctly with duplicate delegations
  NFS: Fix a potential race between umount and nfs_access_cache_shrinker()
  NFS: Add an asynchronous delegreturn operation for use in nfs_clear_inode
  nfs: convert NFS_*(inode) helpers to static inline
  nfs: obliterate NFS_FLAGS macro
  NFS: Address memory leaks in the NFS client mount option parser
  nfs4: allow nfsv4 acls on non-regular-files
  NFS: Optimise away the sigmask code in aio/dio reads and writes
  SUNRPC: Don't bother changing the sigmask for asynchronous RPC calls
  SUNRPC: rpcb_getport_sync() passes incorrect address size to rpc_create()
  SUNRPC: Clean up block comment preceding rpcb_getport_sync()
  SUNRPC: Use appropriate argument types in rpcb client
  SUNRPC: rpcb_getport_sync() should use built-in hostname generator
  SUNRPC: Clean up functions that free address_strings array
  NFS: NFS version number is unsigned
  NLM: Fix a bogus 'return' in nlmclnt_rpc_release
  NLM: Introduce an arguments structure for nlmclnt_init()
  NLM/NFS: Use cached nlm_host when calling nlmclnt_proc()
  NFS: Invoke nlmclnt_init during NFS mount processing
  ...

1 files changed, 33 insertions, 18 deletions

diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 72e55d83756d..15f7785048d3 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -12,7 +12,9 @@
 #include "delegation.h"
 #include "internal.h"
 
+#ifdef NFS_DEBUG
 #define NFSDBG_FACILITY NFSDBG_CALLBACK
+#endif
  
 __be32 nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res)
 {
@@ -20,12 +22,16 @@ __be32 nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *
 	struct nfs_delegation *delegation;
 	struct nfs_inode *nfsi;
 	struct inode *inode;
-	
+
 	res->bitmap[0] = res->bitmap[1] = 0;
 	res->status = htonl(NFS4ERR_BADHANDLE);
 	clp = nfs_find_client(args->addr, 4);
 	if (clp == NULL)
 		goto out;
+
+	dprintk("NFS: GETATTR callback request from %s\n",
+		rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_ADDR));
+
 	inode = nfs_delegation_find_inode(clp, &args->fh);
 	if (inode == NULL)
 		goto out_putclient;
@@ -65,23 +71,32 @@ __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy)
 	clp = nfs_find_client(args->addr, 4);
 	if (clp == NULL)
 		goto out;
-	inode = nfs_delegation_find_inode(clp, &args->fh);
-	if (inode == NULL)
-		goto out_putclient;
-	/* Set up a helper thread to actually return the delegation */
-	switch(nfs_async_inode_return_delegation(inode, &args->stateid)) {
-		case 0:
-			res = 0;
-			break;
-		case -ENOENT:
-			res = htonl(NFS4ERR_BAD_STATEID);
-			break;
-		default:
-			res = htonl(NFS4ERR_RESOURCE);
-	}
-	iput(inode);
-out_putclient:
-	nfs_put_client(clp);
+
+	dprintk("NFS: RECALL callback request from %s\n",
+		rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_ADDR));
+
+	do {
+		struct nfs_client *prev = clp;
+
+		inode = nfs_delegation_find_inode(clp, &args->fh);
+		if (inode != NULL) {
+			/* Set up a helper thread to actually return the delegation */
+			switch(nfs_async_inode_return_delegation(inode, &args->stateid)) {
+				case 0:
+					res = 0;
+					break;
+				case -ENOENT:
+					if (res != 0)
+						res = htonl(NFS4ERR_BAD_STATEID);
+					break;
+				default:
+					res = htonl(NFS4ERR_RESOURCE);
+			}
+			iput(inode);
+		}
+		clp = nfs_find_client_next(prev);
+		nfs_put_client(prev);
+	} while (clp != NULL);
 out:
 	dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(res));
 	return res;