Re: [PATCH v2] drbd: fix throttling on newly created DM backing devices

2014-09-04 Thread Lars Ellenberg
On Thu, Sep 04, 2014 at 09:59:09PM +0200, Imre Palik wrote: > From: "Palik, Imre" > > If the drbd backing device is a new device mapper device (e.g., a > dm-linear mapping of an existing block device that contains data), the > counters are initially 0 even though the device contains useful > data

[PATCH v2] drbd: fix throttling on newly created DM backing devices

2014-09-04 Thread Imre Palik
From: "Palik, Imre" If the drbd backing device is a new device mapper device (e.g., a dm-linear mapping of an existing block device that contains data), the counters are initially 0 even though the device contains useful data. This causes throttling until something accesses the drbd device or the