2 * linux/fs/nfsd/lockd.c
4 * This file contains all the stubs needed when communicating with lockd.
5 * This level of indirection is necessary so we can run nfsd+lockd without
6 * requiring the nfs client to be compiled in/loaded, and vice versa.
8 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
11 #include <linux/types.h>
13 #include <linux/file.h>
14 #include <linux/mount.h>
15 #include <linux/sunrpc/clnt.h>
16 #include <linux/sunrpc/svc.h>
17 #include <linux/nfsd/nfsd.h>
18 #include <linux/lockd/bind.h>
20 #define NFSDDBG_FACILITY NFSDDBG_LOCKD
23 * Note: we hold the dentry use count while the file is open.
26 nlm_fopen(struct svc_rqst *rqstp, struct nfs_fh *f, struct file **filp)
31 /* must initialize before using! but maxsize doesn't matter */
33 fh.fh_handle.fh_size = f->size;
34 memcpy((char*)&fh.fh_handle.fh_base, f->data, f->size);
38 nfserr = nfsd_open(rqstp, &fh, S_IFREG, NFSD_MAY_LOCK, filp);
40 rqstp->rq_client = NULL;
42 /* We return nlm error codes as nlm doesn't know
43 * about nfsd, but nfsd does know about nlm..
49 return nlm_drop_reply;
50 #ifdef CONFIG_LOCKD_V4
55 return nlm_lck_denied;
60 nlm_fclose(struct file *filp)
65 static struct nlmsvc_binding nfsd_nlm_ops = {
66 .fopen = nlm_fopen, /* open file for locking */
67 .fclose = nlm_fclose, /* close file */
68 .get_grace_period = get_nfs4_grace_period,
74 dprintk("nfsd: initializing lockd\n");
75 nlmsvc_ops = &nfsd_nlm_ops;
79 nfsd_lockd_shutdown(void)