Re: [PATCH 3/5] conf: add support for max_unmap_size

Signed-off-by: Kristina Hanicova <khanicov(a)redhat.com&gt; --- docs/formatdomain.rst | 10 ++++++++++ src/conf/domain_conf.c | 12 +++++++++++- src/conf/domain_conf.h | 1 + src/conf/domain_validate.c | 3 ++- src/conf/schemas/domaincommon.rng | 5 +++++ 5 files changed, 29 insertions(+), 2 deletions(-) diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index 0d0812f08c..1fe93066bd 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -2591,6 +2591,13 @@ paravirtualized driver is specified via the ``disk`` element. <blockio logical_block_size='512' physical_block_size='4096' discard_granularity='4096'/> <target dev='hdj' bus='ide'/> </disk> + <disk type='file' device='disk'> + <driver name='qemu' type='raw'/> + <source file='/var/lib/libvirt/images/rhelik.raw'/> + <target dev='sda' bus='scsi'/> + <address type='drive' controller='0' bus='0' target='4' unit='0'/> + <blockio max_unmap_size='1073741824'/> + </disk> <disk type='volume' device='disk'> <driver name='qemu' type='raw'/> <source pool='blk-pool0' volume='blk-pool0-vol0'/> @@ -3439,6 +3446,9 @@ paravirtualized driver is specified via the ``disk`` element. The smallest amount of data that can be discarded in a single operation. It impacts the unmap operations and it must be a multiple of a ``logical_block_size``. + ``max_unmap_size`` + The maximum size of an unmap operation that can be performed for scsi + disks.