Re: [PATCH v3] drbd: fix throttling on newly created DM backing devices

2014-09-09 Thread Imre Palik
On 09/08/14 15:38, Lars wrote: On Mon, Sep 08, 2014 at 03:05:28PM +0200, Imre Palik wrote: On 09/07/14 11:58, Lars wrote: On Fri, Sep 05, 2014 at 08:41:18PM +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

Re: [PATCH v3] drbd: fix throttling on newly created DM backing devices

2014-09-08 Thread Lars
On Mon, Sep 08, 2014 at 03:05:28PM +0200, Imre Palik wrote: > On 09/07/14 11:58, Lars wrote: > >On Fri, Sep 05, 2014 at 08:41:18PM +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

Re: [PATCH v3] drbd: fix throttling on newly created DM backing devices

2014-09-08 Thread Imre Palik
On 09/07/14 11:58, Lars wrote: On Fri, Sep 05, 2014 at 08:41:18PM +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 devic

Re: [PATCH v3] drbd: fix throttling on newly created DM backing devices

2014-09-07 Thread Lars
On Fri, Sep 05, 2014 at 08:41:18PM +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 v3] drbd: fix throttling on newly created DM backing devices

2014-09-05 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