qemu-iotests/199: improve performance: set bitmap by discard
commitedb90bbdf33f6e96788b454fae9abfed18274692
authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Mon, 27 Jul 2020 19:42:19 +0000 (27 22:42 +0300)
committerEric Blake <eblake@redhat.com>
Mon, 27 Jul 2020 20:39:59 +0000 (27 15:39 -0500)
tree0996407e6dfec829bc0f840835c6686c5ebf5c9a
parent09feea6cf528b3158640d6530174cf21cb579bc0
qemu-iotests/199: improve performance: set bitmap by discard

Discard dirties dirty-bitmap as well as write, but works faster. Let's
use it instead.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Tested-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200727194236.19551-5-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
tests/qemu-iotests/199