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dlm: Send lockspace name with uevents

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Although it is possible to get this information from the path,
its much easier to provide the lockspace as a seperate env
variable.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Steven Whitehouse 2010-02-17 09:41:34 +00:00 committed by David Teigland
parent cf6620acc0
commit b4a5d4bc37
1 changed files with 13 additions and 1 deletions
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14
fs/dlm/lockspace.c
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@ -191,6 +191,18 @@ static int do_uevent(struct dlm_ls *ls, int in)
return error;
}
static int dlm_uevent(struct kset *kset, struct kobject *kobj,
struct kobj_uevent_env *env)
{
struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj);
add_uevent_var(env, "LOCKSPACE=%s", ls->ls_name);
return 0;
}
static struct kset_uevent_ops dlm_uevent_ops = {
.uevent = dlm_uevent,
};
int __init dlm_lockspace_init(void)
{
@ -199,7 +211,7 @@ int __init dlm_lockspace_init(void)
INIT_LIST_HEAD(&lslist);
spin_lock_init(&lslist_lock);
dlm_kset = kset_create_and_add("dlm", NULL, kernel_kobj);
dlm_kset = kset_create_and_add("dlm", &dlm_uevent_ops, kernel_kobj);
if (!dlm_kset) {
printk(KERN_WARNING "%s: can not create kset\n", __func__);
return -ENOMEM;