Re: [PATCH 1/1] improve the performance of dm-log-userspace

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hi, brassow

  Yes, I had submited a patch lvm-devel.

http://www.redhat.com/archives/lvm-devel/2013-November/msg00093.html.

please review.

I should have add a patch version indicator.







于 2013年12月11日 09:17, Brassow Jonathan 写道:
Looks good.  Did you happen to post the accompanying userspace patches?  If you pass those along, I will review that also and test them together.  Once that's done, I will ACK.

  brassow

On Dec 3, 2013, at 11:35 PM, dongmao zhang wrote:

modified workqueue calls on  Hayakawa's comments

In the cluster evironment, cluster write has poor performance.

</snip>

	spinlock_t flush_lock;
	struct list_head mark_list;
	struct list_head clear_list;
+
+	/*work queue for flush clear region*/

Use spaces after /* and before */

+	struct workqueue_struct *dmlog_wq;
+	struct delayed_work flush_log_work;
+	atomic_t sched_flush;
+	uint32_t integrated_flush;
};

</snip>

	devices_rdata = kzalloc(devices_rdata_size, GFP_KERNEL);
	if (!devices_rdata) {
		DMERR("Failed to allocate memory for device information");
@@ -246,6 +268,20 @@ static int userspace_ctr(struct dm_dirty_log *log, struct dm_target *ti,
			DMERR("Failed to register %s with device-mapper",
			      devices_rdata);
	}
+
+

Extra newline...

The rest looks good.  (Cosmetic issues like this wouldn't prevent my ACK though.)

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