On 18.01.20 20:09, Alberto Garcia wrote: > When updating an L1 entry the qcow2 driver writes a (512-byte) sector > worth of data to avoid a read-modify-write cycle. Instead of always > writing 512 bytes we should follow the alignment requirements of the > storage backend. > > (the only exception is when the alignment is larger than the cluster > size because then we could be overwriting data after the L1 table) > > Signed-off-by: Alberto Garcia <be...@igalia.com> > --- > block/qcow2-cluster.c | 25 +++++++++++++++---------- > 1 file changed, 15 insertions(+), 10 deletions(-)
Reviewed-by: Max Reitz <mre...@redhat.com>
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