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nfs41: V2 initial support for CB_RECALL_ANY

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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>
This commit is contained in:
Alexandros Batsakis
2009-12-05 13:27:02 -05:00
committed by Trond Myklebust
parent c79571a508
commit 31f0960778
5 changed files with 68 additions and 2 deletions
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29
fs/nfs/callback_proc.c
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@@ -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 */