On 4/25/05, David Teigland <[email protected]> wrote:
> [Apologies, patch 1 was too large on its own.]
>
> The core dlm functions. Processes dlm_lock() and dlm_unlock() requests.
> Creates lockspaces which give applications separate contexts/namespaces in
> which to do their locking. Manages locks on resources' grant/convert/wait
> queues. Sends and receives high level locking operations between nodes.
> Delivers completion and blocking callbacks (ast's) to lock holders.
> Manages the distributed directory that tracks the current master node for
> each resource.
>
> Signed-Off-By: Dave Teigland <[email protected]>
> Signed-Off-By: Patrick Caulfield <[email protected]>
<snip>
> --- a/drivers/dlm/lockspace.c 1970-01-01 07:30:00.000000000 +0730
> +++ b/drivers/dlm/lockspace.c 2005-04-25 22:52:03.956816760 +0800
<snip>
> +int dlm_scand(void *data)
> +{
> + struct dlm_ls *ls;
> +
> + while (!kthread_should_stop()) {
> + list_for_each_entry(ls, &lslist, ls_list)
> + dlm_scan_rsbs(ls);
> + set_current_state(TASK_INTERRUPTIBLE);
> + schedule_timeout(DLM_SCAN_SECS * HZ);
> + }
> + return 0;
> +}
<snip>
> +static void remove_lockspace(struct dlm_ls *ls)
> +{
> + for (;;) {
> + spin_lock(&lslist_lock);
> + if (ls->ls_count == 0) {
> + list_del(&ls->ls_list);
> + spin_unlock(&lslist_lock);
> + return;
> + }
> + spin_unlock(&lslist_lock);
> + set_current_state(TASK_INTERRUPTIBLE);
> + schedule_timeout(HZ);
> + }
> +}
<snip>
These can both be msleep_interruptible() calls?
Thanks,
Nish
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