On 2014/10/23 6:18, Eric Blake wrote: > On 10/21/2014 03:24 AM, Max Reitz wrote: >> On 2014-10-21 at 10:04, Zhang Haoyu wrote: >>> Use local variable to bdrv_pwrite_sync L1 table, >>> needless to make conversion of cached L1 table between >>> big-endian and host style. >>> >>> Signed-off-by: Zhang Haoyu <zhan...@sangfor.com> >>> --- >>> block/qcow2-refcount.c | 22 +++++++--------------- >>> 1 file changed, 7 insertions(+), 15 deletions(-) >>> > > I know we're up to v5 and that Max already took it into his branch, but... > > >>> l1_size2 = l1_size * sizeof(uint64_t); >>> + l1_table = g_try_malloc0(align_offset(l1_size2, 512)); >> >> I wanted to propose using qemu_try_blockalign(), but since it'd require >> a memset() afterwards, it gets rather ugly. > > Not after this recent patch: > > https://lists.gnu.org/archive/html/qemu-devel/2014-10/msg02499.html >
Good catch :) Best regards, -Gonglei