Re: [libvirt] [PATCH v3] Add new attribute wrpolicy to <driver> element

On 01/10/2012 07:29 AM, Deepak C Shetty wrote: > This introduces new attribute wrpolicy with only supported > value as immediate. This will be an optional > attribute with no defaults. This helps specify whether > to skip the host page cache. > > When wrpolicy is specified, meaning when wrpolicy=immediate > a writeback is explicitly initiated for the dirty pages in > the host page cache as part of the guest file write operation. > > Usage: > <filesystem type='mount' accessmode='passthrough'> > <driver type='path' wrpolicy='immediate'/> > <source dir='/export/to/guest'/> > <target dir='mount_tag'/> > </filesystem> > > Currently this only works with type='mount' for the QEMU/KVM driver. >

> > docs/formatdomain.html.in | 12 ++++++++++-- > docs/schemas/domaincommon.rng | 7 +++++++ > src/conf/domain_conf.c | 27 ++++++++++++++++++++++++++- > src/conf/domain_conf.h | 10 ++++++++++ > src/qemu/qemu_capabilities.c | 3 +++ > src/qemu/qemu_capabilities.h | 5 +++-- > src/qemu/qemu_command.c | 14 ++++++++++++++ > 7 files changed, 73 insertions(+), 5 deletions(-)