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) {
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;
int
nlmclnt_proc(struct inode *inode, int cmd, struct file_lock *fl)
{
+ struct rpc_clnt *client = NFS_CLIENT(inode);
+ struct sockaddr_in addr;
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) {
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);
if (host == NULL)
return -ENOLCK;
fl->fl_ops = &nlmclnt_lock_ops;
}
-static void do_vfs_lock(struct file_lock *fl)
+static int do_vfs_lock(struct file_lock *fl)
{
int res = 0;
switch (fl->fl_flags & (FL_POSIX|FL_FLOCK)) {
default:
BUG();
}
- if (res < 0)
- printk(KERN_WARNING "%s: VFS is out of sync with lock manager!\n",
- __FUNCTION__);
+ return res;
}
/*
struct nlm_host *host = req->a_host;
struct nlm_res *resp = &req->a_res;
struct nlm_wait *block = NULL;
+ 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;
}
+ fl->fl_flags |= FL_ACCESS;
+ status = do_vfs_lock(fl);
+ if (status < 0)
+ goto out;
block = nlmclnt_prepare_block(host, fl);
again:
up_read(&host->h_rwsem);
goto again;
}
- fl->fl_flags |= FL_SLEEP;
/* Ensure the resulting lock will get added to granted list */
- do_vfs_lock(fl);
+ fl->fl_flags = fl_flags | FL_SLEEP;
+ if (do_vfs_lock(fl) < 0)
+ printk(KERN_WARNING "%s: VFS is out of sync with lock manager!\n", __FUNCTION__);
up_read(&host->h_rwsem);
}
status = nlm_stat_to_errno(resp->status);
nlmclnt_cancel(host, req->a_args.block, fl);
out:
nlm_release_call(req);
+ fl->fl_flags = fl_flags;
return status;
}
{
struct nlm_host *host = req->a_host;
struct nlm_res *resp = &req->a_res;
- int status;
+ int status = 0;
/*
* Note: the server is supposed to either grant us the unlock
* request, or to deny it with NLM_LCK_DENIED_GRACE_PERIOD. In either
* case, we want to unlock.
*/
+ fl->fl_flags |= FL_EXISTS;
down_read(&host->h_rwsem);
- do_vfs_lock(fl);
+ if (do_vfs_lock(fl) == -ENOENT) {
+ up_read(&host->h_rwsem);
+ goto out;
+ }
up_read(&host->h_rwsem);
if (req->a_flags & RPC_TASK_ASYNC)
if (status < 0)
goto out;
- status = 0;
if (resp->status == NLM_LCK_GRANTED)
goto out;