unsigned nfs4_callback_recall(struct cb_recallargs *args, void *dummy) { struct nfs4_client *clp; struct inode *inode; unsigned res; res = htonl(NFS4ERR_BADHANDLE); clp = nfs4_find_client(&args->addr->sin_addr); 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: nfs4_put_client(clp); out: dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(res)); return res; }
__be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy) { struct nfs_client *clp; struct inode *inode; __be32 res; res = htonl(NFS4ERR_BADHANDLE); clp = nfs_find_client(args->addr, 4); if (clp == NULL) goto out; 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, nfs_validate_delegation_stateid(clp))) { 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", __func__, ntohl(res)); return res; }