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Diffstat (limited to 'fs/lockd/clntproc.c')
-rw-r--r--fs/lockd/clntproc.c31
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;
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