[DLM] interface for purge (2/2)
Add code to accept purge commands from userland.
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index c978c67..3e746a6 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -56,6 +56,7 @@
union {
struct dlm_lock_params32 lock;
struct dlm_lspace_params lspace;
+ struct dlm_purge_params purge;
} i;
};
@@ -92,6 +93,9 @@
kb->i.lspace.flags = kb32->i.lspace.flags;
kb->i.lspace.minor = kb32->i.lspace.minor;
strcpy(kb->i.lspace.name, kb32->i.lspace.name);
+ } else if (kb->cmd == DLM_USER_PURGE) {
+ kb->i.purge.nodeid = kb32->i.purge.nodeid;
+ kb->i.purge.pid = kb32->i.purge.pid;
} else {
kb->i.lock.mode = kb32->i.lock.mode;
kb->i.lock.namelen = kb32->i.lock.namelen;
@@ -320,6 +324,22 @@
return error;
}
+static int device_user_purge(struct dlm_user_proc *proc,
+ struct dlm_purge_params *params)
+{
+ struct dlm_ls *ls;
+ int error;
+
+ ls = dlm_find_lockspace_local(proc->lockspace);
+ if (!ls)
+ return -ENOENT;
+
+ error = dlm_user_purge(ls, proc, params->nodeid, params->pid);
+
+ dlm_put_lockspace(ls);
+ return error;
+}
+
static int device_create_lockspace(struct dlm_lspace_params *params)
{
dlm_lockspace_t *lockspace;
@@ -522,6 +542,14 @@
error = device_remove_lockspace(&kbuf->i.lspace);
break;
+ case DLM_USER_PURGE:
+ if (!proc) {
+ log_print("no locking on control device");
+ goto out_sig;
+ }
+ error = device_user_purge(proc, &kbuf->i.purge);
+ break;
+
default:
log_print("Unknown command passed to DLM device : %d\n",
kbuf->cmd);