GFS2: Send some sensible sysfs stuff

We ought to inform the user of the locktable and lockproto for each
uevent we generate.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/locking/dlm/sysfs.c b/fs/gfs2/locking/dlm/sysfs.c
index 4ec571c..9b7edcf 100644 (file)
--- a/fs/gfs2/locking/dlm/sysfs.c
+++ b/fs/gfs2/locking/dlm/sysfs.c
@@ -195,9 +195,23 @@ void gdlm_kobject_release(struct gdlm_ls *ls)
        kobject_put(&ls->kobj);
 }
 
+static int gdlm_uevent(struct kset *kset, struct kobject *kobj,
+                      struct kobj_uevent_env *env)
+{
+        struct gdlm_ls *ls = container_of(kobj, struct gdlm_ls, kobj);
+        add_uevent_var(env, "LOCKTABLE=%s:%s", ls->clustername, ls->fsname);
+        add_uevent_var(env, "LOCKPROTO=lock_dlm");
+        return 0;
+}
+
+static struct kset_uevent_ops gdlm_uevent_ops = {
+       .uevent = gdlm_uevent,
+};
+
+
 int gdlm_sysfs_init(void)
 {
-       gdlm_kset = kset_create_and_add("lock_dlm", NULL, kernel_kobj);
+       gdlm_kset = kset_create_and_add("lock_dlm", &gdlm_uevent_ops, kernel_kobj);
        if (!gdlm_kset) {
                printk(KERN_WARNING "%s: can not create kset\n", __func__);
                return -ENOMEM;

diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 67ba5b7..298bcb6 100644 (file)
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -461,11 +461,25 @@ void gfs2_sys_fs_del(struct gfs2_sbd *sdp)
        kobject_put(&sdp->sd_kobj);
 }
 
+static int gfs2_uevent(struct kset *kset, struct kobject *kobj,
+                      struct kobj_uevent_env *env)
+{
+       struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj);
+       add_uevent_var(env, "LOCKTABLE=%s", sdp->sd_table_name);
+       add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name);
+       return 0;
+}
+
+static struct kset_uevent_ops gfs2_uevent_ops = {
+       .uevent = gfs2_uevent,
+};
+
+
 int gfs2_sys_init(void)
 {
        gfs2_sys_margs = NULL;
        spin_lock_init(&gfs2_sys_margs_lock);
-       gfs2_kset = kset_create_and_add("gfs2", NULL, fs_kobj);
+       gfs2_kset = kset_create_and_add("gfs2", &gfs2_uevent_ops, fs_kobj);
        if (!gfs2_kset)
                return -ENOMEM;
        return 0;