Re: [PATCH V10 5/6] mm: cleancache: update to match akpm frontswapfeedback

From: KAMEZAWA Hiroyuki
Date: Wed Sep 28 2011 - 02:09:39 EST


On Thu, 15 Sep 2011 14:34:46 -0700
Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> wrote:

> From: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
> Subject: [PATCH V10 5/6] mm: cleancache: update to match akpm frontswap feedback
err = sysfs_create_group(mm_kobj, &cleancache_attr_group);
> -#endif /* CONFIG_SYSFS */
> +#ifdef CONFIG_DEBUG_FS
> + struct dentry *root = debugfs_create_dir("cleancache", NULL);
> + if (root == NULL)
> + return -ENXIO;
> + debugfs_create_u64("succ_gets", S_IRUGO, root, &cleancache_succ_gets);
> + debugfs_create_u64("failed_gets", S_IRUGO,
> + root, &cleancache_failed_gets);
> + debugfs_create_u64("puts", S_IRUGO, root, &cleancache_puts);
> + debugfs_create_u64("invalidates", S_IRUGO,
> + root, &cleancache_invalidates);
> +#endif

No exisiting userlands are affected by this change of flush->invalidates ?

Thanks,
-Kame

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