NLM,NFSv4: Wait on local locks before we put RPC calls on the wire

[linux-2.6-omap-h63xx.git] / fs / lockd / clntproc.c

diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 24c691f5480e215aa02fd965d166e68a35ef6f3e..89ba0df14c220f4af771c216a4be34d42b63e1ad 100644 (file)
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -496,6 +496,7 @@ nlmclnt_lock(struct nlm_rqst *req, struct file_lock *fl)
        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) {
@@ -503,6 +504,10 @@ nlmclnt_lock(struct nlm_rqst *req, struct file_lock *fl)
                                        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:
@@ -537,8 +542,8 @@ again:
                        up_read(&host->h_rwsem);
                        goto again;
                }
-               fl->fl_flags |= FL_SLEEP;
                /* Ensure the resulting lock will get added to granted list */
+               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);
@@ -551,6 +556,7 @@ out_unblock:
                nlmclnt_cancel(host, req->a_args.block, fl);
 out:
        nlm_release_call(req);
+       fl->fl_flags = fl_flags;
        return status;
 }