diff options
| author | Peter Lieven <pl@kamp.de> | 2016-05-30 13:31:13 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2016-06-07 14:40:51 +0100 |
| commit | 117bc3fa22d359db6c4f0c10f34c8c9e00ed64af (patch) | |
| tree | daebd01e11358993b50f6bef3406aab2461d2cd0 /target-i386/monitor.c | |
| parent | e3a4f91b4dda92666379e4865ea9847644f3bc19 (diff) | |
block/io: optimize bdrv_co_pwritev for small requests
in a read-modify-write cycle a small request might cause
head and tail to fall into the same aligned block. Currently
QEMU reads the same block twice in this case which is
not necessary.
Signed-off-by: Peter Lieven <pl@kamp.de>
Message-id: 1464607873-28206-1-git-send-email-pl@kamp.de
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'target-i386/monitor.c')
0 files changed, 0 insertions, 0 deletions