On 04/12/2017 08:07 AM, jemmy858...@gmail.com wrote: > From: Lidong Chen <lidongc...@tencent.com> > > BLOCK_SIZE is (1 << 20), qcow2 cluster size is 65536 by default, > this maybe cause the qcow2 file size is bigger after migration.
s/maybe/may/ s/is bigger/to be bigger/ > This patch check each cluster, use blk_pwrite_zeroes for each s/check/checks/ s/use/using/ > zero cluster. > > Signed-off-by: Lidong Chen <lidongc...@tencent.com> > --- Please use this space (after the ---) to state how v5 differs from v4, in order to save reviewers some time. > migration/block.c | 35 +++++++++++++++++++++++++++++++++-- > 1 file changed, 33 insertions(+), 2 deletions(-) > -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
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