diff options
Diffstat (limited to 'fs/lockd/clntproc.c')
-rw-r--r-- | fs/lockd/clntproc.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index 89ba0df14c22..3d84f600b633 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -36,14 +36,14 @@ static const struct rpc_call_ops nlmclnt_cancel_ops; /* * Cookie counter for NLM requests */ -static u32 nlm_cookie = 0x1234; +static atomic_t nlm_cookie = ATOMIC_INIT(0x1234); -static inline void nlmclnt_next_cookie(struct nlm_cookie *c) +void nlmclnt_next_cookie(struct nlm_cookie *c) { - memcpy(c->data, &nlm_cookie, 4); - memset(c->data+4, 0, 4); + u32 cookie = atomic_inc_return(&nlm_cookie); + + memcpy(c->data, &cookie, 4); c->len=4; - nlm_cookie++; } static struct nlm_lockowner *nlm_get_lockowner(struct nlm_lockowner *lockowner) @@ -100,7 +100,7 @@ static struct nlm_lockowner *nlm_find_lockowner(struct nlm_host *host, fl_owner_ res = __nlm_find_lockowner(host, owner); if (res == NULL) { spin_unlock(&host->h_lock); - new = (struct nlm_lockowner *)kmalloc(sizeof(*new), GFP_KERNEL); + new = kmalloc(sizeof(*new), GFP_KERNEL); spin_lock(&host->h_lock); res = __nlm_find_lockowner(host, owner); if (res == NULL && new != NULL) { @@ -129,11 +129,11 @@ static void nlmclnt_setlockargs(struct nlm_rqst *req, struct file_lock *fl) nlmclnt_next_cookie(&argp->cookie); argp->state = nsm_local_state; memcpy(&lock->fh, NFS_FH(fl->fl_file->f_dentry->d_inode), sizeof(struct nfs_fh)); - lock->caller = system_utsname.nodename; + lock->caller = utsname()->nodename; lock->oh.data = req->a_owner; lock->oh.len = snprintf(req->a_owner, sizeof(req->a_owner), "%u@%s", (unsigned int)fl->fl_u.nfs_fl.owner->pid, - system_utsname.nodename); + utsname()->nodename); lock->svid = fl->fl_u.nfs_fl.owner->pid; lock->fl.fl_start = fl->fl_start; lock->fl.fl_end = fl->fl_end; @@ -151,11 +151,14 @@ static void nlmclnt_release_lockargs(struct nlm_rqst *req) int nlmclnt_proc(struct inode *inode, int cmd, struct file_lock *fl) { + struct rpc_clnt *client = NFS_CLIENT(inode); + struct sockaddr_in addr; + struct nfs_server *nfssrv = NFS_SERVER(inode); struct nlm_host *host; struct nlm_rqst *call; sigset_t oldset; unsigned long flags; - int status, proto, vers; + int status, vers; vers = (NFS_PROTO(inode)->version == 3) ? 4 : 1; if (NFS_PROTO(inode)->version > 3) { @@ -163,10 +166,10 @@ nlmclnt_proc(struct inode *inode, int cmd, struct file_lock *fl) return -ENOLCK; } - /* Retrieve transport protocol from NFS client */ - proto = NFS_CLIENT(inode)->cl_xprt->prot; - - host = nlmclnt_lookup_host(NFS_ADDR(inode), proto, vers); + rpc_peeraddr(client, (struct sockaddr *) &addr, sizeof(addr)); + host = nlmclnt_lookup_host(&addr, client->cl_xprt->prot, vers, + nfssrv->nfs_client->cl_hostname, + strlen(nfssrv->nfs_client->cl_hostname)); if (host == NULL) return -ENOLCK; @@ -499,7 +502,7 @@ nlmclnt_lock(struct nlm_rqst *req, struct file_lock *fl) unsigned char fl_flags = fl->fl_flags; int status = -ENOLCK; - if (!host->h_monitored && nsm_monitor(host) < 0) { + if (nsm_monitor(host) < 0) { printk(KERN_NOTICE "lockd: failed to monitor %s\n", host->h_name); goto out; |