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block: Simplify block_set_io_throttle

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Now that we can support boxed commands, use it to greatly
reduce the number of parameters (and likelihood of getting
out of sync) when adjusting throttle parameters.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <1468468228-27827-11-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Eric Blake 2016-07-13 21:50:21 -06:00 • committed by Markus Armbruster
parent c818408e44
commit 4dc9397b62
3 changed files with 66 additions and 110 deletions
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45
hmp.c
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@ -1439,42 +1439,17 @@ void hmp_change(Monitor *mon, const QDict *qdict)
void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
BlockIOThrottle throttle = {
.device = (char *) qdict_get_str(qdict, "device"),
.bps = qdict_get_int(qdict, "bps"),
.bps_rd = qdict_get_int(qdict, "bps_rd"),
.bps_wr = qdict_get_int(qdict, "bps_wr"),
.iops = qdict_get_int(qdict, "iops"),
.iops_rd = qdict_get_int(qdict, "iops_rd"),
.iops_wr = qdict_get_int(qdict, "iops_wr"),
};
qmp_block_set_io_throttle(qdict_get_str(qdict, "device"),
qdict_get_int(qdict, "bps"),
qdict_get_int(qdict, "bps_rd"),
qdict_get_int(qdict, "bps_wr"),
qdict_get_int(qdict, "iops"),
qdict_get_int(qdict, "iops_rd"),
qdict_get_int(qdict, "iops_wr"),
false, /* no burst max via HMP */
0,
false,
0,
false,
0,
false,
0,
false,
0,
false,
0,
false, /* no burst length via HMP */
0,
false,
0,
false,
0,
false,
0,
false,
0,
false,
0,
false, /* No default I/O size */
0,
false,
NULL, &err);
qmp_block_set_io_throttle(&throttle, &err);
hmp_handle_error(mon, &err);
}