/* * This file contains all the stubs needed when communicating with lockd. * This level of indirection is necessary so we can run nfsd+lockd without * requiring the nfs client to be compiled in/loaded, and vice versa. * * Copyright (C) 1996, Olaf Kirch */ #include #include #include "nfsd.h" #include "vfs.h" #define NFSDDBG_FACILITY NFSDDBG_LOCKD #ifdef CONFIG_LOCKD_V4 #define nlm_stale_fh nlm4_stale_fh #define nlm_failed nlm4_failed #else #define nlm_stale_fh nlm_lck_denied_nolocks #define nlm_failed nlm_lck_denied_nolocks #endif /* * Note: we hold the dentry use count while the file is open. */ static __be32 nlm_fopen(struct svc_rqst *rqstp, struct nfs_fh *f, struct file **filp) { __be32 nfserr; struct svc_fh fh; /* must initialize before using! but maxsize doesn't matter */ fh_init(&fh,0); fh.fh_handle.fh_size = f->size; memcpy((char*)&fh.fh_handle.fh_base, f->data, f->size); fh.fh_export = NULL; nfserr = nfsd_open(rqstp, &fh, S_IFREG, NFSD_MAY_LOCK, filp); fh_put(&fh); /* We return nlm error codes as nlm doesn't know * about nfsd, but nfsd does know about nlm.. */ switch (nfserr) { case nfs_ok: return 0; case nfserr_dropit: return nlm_drop_reply; case nfserr_stale: return nlm_stale_fh; default: return nlm_failed; } } static void nlm_fclose(struct file *filp) { fput(filp); } static const struct nlmsvc_binding nfsd_nlm_ops = { .fopen = nlm_fopen, /* open file for locking */ .fclose = nlm_fclose, /* close file */ }; void nfsd_lockd_init(void) { dprintk("nfsd: initializing lockd\n"); nlmsvc_ops = &nfsd_nlm_ops; } void nfsd_lockd_shutdown(void) { nlmsvc_ops = NULL; } gtreecommitdiff
diff options
context:
space:
mode:
authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2016-11-27 00:13:33 +0100
committerThomas Gleixner <tglx@linutronix.de>2016-12-02 00:52:34 +0100
commit14660b7ea3ca628410bb999d53926ca77973892b (patch)
treeb90ee3b6578ef63ce61a0283ec3d607f71cff028
parent9c6bafab03dec222237b6eb8b5adf5c18ec76264 (diff)
oprofile/nmi timer: Convert to hotplug state machine
Install the callbacks via the state machine and let the core invoke the callbacks on the already online CPUs. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: oprofile-list@lists.sf.net Cc: Robert Richter <rric@kernel.org> Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20161126231350.10321-6-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>