Revision 1e4471e74c75acb3f89959ffa02a241227937ae2 authored by Shenghui Wang on 16 March 2019, 08:24:37 UTC, committed by Jens Axboe on 22 March 2019, 17:01:02 UTC
"sbitmap_batch_clear" should be "sbitmap_deferred_clear"

Acked-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Shenghui Wang <shhuiw@foxmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 parent 537d71b
Raw File
pm-notifier-error-inject.c
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/suspend.h>

#include "notifier-error-inject.h"

static int priority;
module_param(priority, int, 0);
MODULE_PARM_DESC(priority, "specify PM notifier priority");

static struct notifier_err_inject pm_notifier_err_inject = {
	.actions = {
		{ NOTIFIER_ERR_INJECT_ACTION(PM_HIBERNATION_PREPARE) },
		{ NOTIFIER_ERR_INJECT_ACTION(PM_SUSPEND_PREPARE) },
		{ NOTIFIER_ERR_INJECT_ACTION(PM_RESTORE_PREPARE) },
		{}
	}
};

static struct dentry *dir;

static int err_inject_init(void)
{
	int err;

	dir = notifier_err_inject_init("pm", notifier_err_inject_dir,
					&pm_notifier_err_inject, priority);
	if (IS_ERR(dir))
		return PTR_ERR(dir);

	err = register_pm_notifier(&pm_notifier_err_inject.nb);
	if (err)
		debugfs_remove_recursive(dir);

	return err;
}

static void err_inject_exit(void)
{
	unregister_pm_notifier(&pm_notifier_err_inject.nb);
	debugfs_remove_recursive(dir);
}

module_init(err_inject_init);
module_exit(err_inject_exit);

MODULE_DESCRIPTION("PM notifier error injection module");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>");
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