On Wed, Aug 29, 2012 at 05:48:30PM +0200, Viktor Mihajlovski wrote:
Introducing a new iolimits element allowing to override certain properties of a guest block device like the physical and logical block size. This can be useful for platforms with 'non-standard' disk formats like S390 DASD with its 4K block size.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com> --- docs/formatdomain.html.in | 18 +++++++++++++++ docs/schemas/domaincommon.rng | 17 ++++++++++++++ src/conf/domain_conf.c | 49 +++++++++++++++++++++++++++++++++++++++++ src/conf/domain_conf.h | 5 ++++ 4 files changed, 89 insertions(+), 0 deletions(-)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index be8489a..db77cc4 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -1264,6 +1264,7 @@ <driver name='qemu' type='raw'/> <source dev='/dev/sda'/> <geometry cyls='16383' heads='16' secs='63' trans='lba'/> + <iolimits logical_block_size='512' physical_block_size='4096'/>
I don't think 'iolimits' is a very good name for this - it suggested to me that it was doing I/o rate thottling/tuning. Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|