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authorAlexandros Batsakis <batsakis@netapp.com>2009-12-05 13:27:02 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-12-05 13:27:02 -0500
commit31f0960778c78198957cf02cc970d92b72b929e4 (patch)
treeb5d061437c4a952e0fe78006a2ad9186c2e6ecc9 /fs/nfs/callback_proc.c
parentc79571a508801e055a0be583d6dc70bddad7bb64 (diff)
downloadlinux-31f0960778c78198957cf02cc970d92b72b929e4.tar.bz2
nfs41: V2 initial support for CB_RECALL_ANY
For now the clients returns _all_ the delegations of the specificed type it holds Signed-off-by: Alexandros Batsakis <batsakis@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/callback_proc.c')
-rw-r--r--fs/nfs/callback_proc.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index b7da1f54da68..61b85306bb25 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -227,4 +227,33 @@ out:
return res->csr_status;
}
+unsigned nfs4_callback_recallany(struct cb_recallanyargs *args, void *dummy)
+{
+ struct nfs_client *clp;
+ int status;
+ fmode_t flags = 0;
+
+ status = htonl(NFS4ERR_OP_NOT_IN_SESSION);
+ clp = nfs_find_client(args->craa_addr, 4);
+ if (clp == NULL)
+ goto out;
+
+ dprintk("NFS: RECALL_ANY callback request from %s\n",
+ rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_ADDR));
+
+ if (test_bit(RCA4_TYPE_MASK_RDATA_DLG, (const unsigned long *)
+ &args->craa_type_mask))
+ flags = FMODE_READ;
+ if (test_bit(RCA4_TYPE_MASK_WDATA_DLG, (const unsigned long *)
+ &args->craa_type_mask))
+ flags |= FMODE_WRITE;
+
+ if (flags)
+ nfs_expire_all_delegation_types(clp, flags);
+ status = htonl(NFS4_OK);
+out:
+ dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
+ return status;
+}
+
#endif /* CONFIG_NFS_V4_1 */