[Qemu-devel] [PATCH 1.8 3/6] qemu-img: add option to specify alternate iobuffer size

2013-11-25 Thread Peter Lieven
since the convert process is basically a sync operation it might be benificial in some case to change the hardcoded I/O buffer size to an alternate (greater) value. Signed-off-by: Peter Lieven --- qemu-img-cmds.hx |4 ++-- qemu-img.c | 25 - qemu-img.texi|

Re: [Qemu-devel] [PATCH 1.8 3/6] qemu-img: add option to specify alternate iobuffer size

2013-11-25 Thread Paolo Bonzini
Il 25/11/2013 14:57, Peter Lieven ha scritto: > since the convert process is basically a sync operation it might > be benificial in some case to change the hardcoded I/O buffer > size to an alternate (greater) value. Do you really need the extra knob? You can just add to BlockLimits the optimal t

Re: [Qemu-devel] [PATCH 1.8 3/6] qemu-img: add option to specify alternate iobuffer size

2013-11-25 Thread Peter Lieven
On 25.11.2013 15:54, Paolo Bonzini wrote: Il 25/11/2013 14:57, Peter Lieven ha scritto: since the convert process is basically a sync operation it might be benificial in some case to change the hardcoded I/O buffer size to an alternate (greater) value. Do you really need the extra knob? You ca

Re: [Qemu-devel] [PATCH 1.8 3/6] qemu-img: add option to specify alternate iobuffer size

2013-11-25 Thread Peter Lieven
On 25.11.2013 15:54, Paolo Bonzini wrote: Il 25/11/2013 14:57, Peter Lieven ha scritto: since the convert process is basically a sync operation it might be benificial in some case to change the hardcoded I/O buffer size to an alternate (greater) value. Do you really need the extra knob? You ca

Re: [Qemu-devel] [PATCH 1.8 3/6] qemu-img: add option to specify alternate iobuffer size

2013-11-25 Thread Paolo Bonzini
Il 25/11/2013 16:07, Peter Lieven ha scritto: >>> since the convert process is basically a sync operation it might >>> be benificial in some case to change the hardcoded I/O buffer >>> size to an alternate (greater) value. >> Do you really need the extra knob? You can just add to BlockLimits the >

Re: [Qemu-devel] [PATCH 1.8 3/6] qemu-img: add option to specify alternate iobuffer size

2013-11-25 Thread Peter Lieven
On 25.11.2013 16:14, Paolo Bonzini wrote: Il 25/11/2013 16:07, Peter Lieven ha scritto: since the convert process is basically a sync operation it might be benificial in some case to change the hardcoded I/O buffer size to an alternate (greater) value. Do you really need the extra knob? You ca

Re: [Qemu-devel] [PATCH 1.8 3/6] qemu-img: add option to specify alternate iobuffer size

2013-11-25 Thread Paolo Bonzini
Il 25/11/2013 16:24, Peter Lieven ha scritto: > On 25.11.2013 16:14, Paolo Bonzini wrote: >> Il 25/11/2013 16:07, Peter Lieven ha scritto: > since the convert process is basically a sync operation it might > be benificial in some case to change the hardcoded I/O buffer > size to an alte

Re: [Qemu-devel] [PATCH 1.8 3/6] qemu-img: add option to specify alternate iobuffer size

2013-11-25 Thread Peter Lieven
On 25.11.2013 16:48, Paolo Bonzini wrote: Il 25/11/2013 16:24, Peter Lieven ha scritto: On 25.11.2013 16:14, Paolo Bonzini wrote: Il 25/11/2013 16:07, Peter Lieven ha scritto: since the convert process is basically a sync operation it might be benificial in some case to change the hardcoded I/