commit | 3299e5ecf7e1c9443189e50c949d97e536022c59 | [log] [tgz] |
---|---|---|
author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | Thu Jul 25 13:05:48 2019 +0300 |
committer | Eric Blake <eblake@redhat.com> | Thu Aug 15 13:22:13 2019 -0500 |
tree | 52a4758697875f4e52730b680a826a5a210ad931 | |
parent | aec21d31756cbda4ad1d0fc5c60797d2c1eecf33 [diff] |
block: implement BDRV_REQ_PREFETCH Do effective copy-on-read request when we don't need data actually. It will be used for block-stream and NBD_CMD_CACHE. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20190725100550.33801-2-vsementsov@virtuozzo.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> [eblake: comment grammar fix] Signed-off-by: Eric Blake <eblake@redhat.com>