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/file.h>
12 #include <linux/lockd/bind.h>
16 #define NFSDDBG_FACILITY NFSDDBG_LOCKD
18 #ifdef CONFIG_LOCKD_V4
19 #define nlm_stale_fh nlm4_stale_fh
20 #define nlm_failed nlm4_failed
22 #define nlm_stale_fh nlm_lck_denied_nolocks
23 #define nlm_failed nlm_lck_denied_nolocks
26 * Note: we hold the dentry use count while the file is open.
29 nlm_fopen(struct svc_rqst *rqstp, struct nfs_fh *f, struct file **filp)
34 /* must initialize before using! but maxsize doesn't matter */
36 fh.fh_handle.fh_size = f->size;
37 memcpy((char*)&fh.fh_handle.fh_base, f->data, f->size);
41 nfserr = nfsd_open(rqstp, &fh, S_IFREG, NFSD_MAY_LOCK, filp);
43 rqstp->rq_client = NULL;
45 /* We return nlm error codes as nlm doesn't know
46 * about nfsd, but nfsd does know about nlm..
52 return nlm_drop_reply;
61 nlm_fclose(struct file *filp)
66 static struct nlmsvc_binding nfsd_nlm_ops = {
67 .fopen = nlm_fopen, /* open file for locking */
68 .fclose = nlm_fclose, /* close file */
74 dprintk("nfsd: initializing lockd\n");
75 nlmsvc_ops = &nfsd_nlm_ops;
79 nfsd_lockd_shutdown(void)