Re: [Qemu-devel] [PATCHv2 3/6] block: add a knob to disable multiwrite_merge

2014-10-22 Thread Peter Lieven
Am 22.10.2014 um 20:29 schrieb Eric Blake: > On 10/22/2014 07:21 AM, Peter Lieven wrote: >> The block layer silently merges write requests since >> commit 40b4f539. This patch adds a knob to disable >> this feature as there has been some discussion lately >> if multiwrite is a good idea at all and

Re: [Qemu-devel] [PATCHv2 3/6] block: add a knob to disable multiwrite_merge

2014-10-22 Thread Eric Blake
On 10/22/2014 07:21 AM, Peter Lieven wrote: > The block layer silently merges write requests since > commit 40b4f539. This patch adds a knob to disable > this feature as there has been some discussion lately > if multiwrite is a good idea at all and as it falsifies > benchmarks. > > Signed-off-by:

[Qemu-devel] [PATCHv2 3/6] block: add a knob to disable multiwrite_merge

2014-10-22 Thread Peter Lieven
The block layer silently merges write requests since commit 40b4f539. This patch adds a knob to disable this feature as there has been some discussion lately if multiwrite is a good idea at all and as it falsifies benchmarks. Signed-off-by: Peter Lieven Reviewed-by: Max Reitz Signed-off-by: Pet