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authorAlberto Garcia <berto@igalia.com>2016-02-18 12:26:55 +0200
committerKevin Wolf <kwolf@redhat.com>2016-02-22 14:08:04 +0100
commit6921b1809507797752b039b2892fc33bf6bccb7e (patch)
tree9496066fc293a88a2732242a4d68232562aef9e1
parent3c9242f5ae8ca37bb5775747e34999fe8cdfee2f (diff)
throttle: Make throttle_conflicting() set errp
The caller does not need to set it, and this will allow us to refactor this function later. Signed-off-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--blockdev.c4
-rw-r--r--include/qemu/throttle.h2
-rw-r--r--tests/test-throttle.c12
-rw-r--r--util/throttle.c11
4 files changed, 17 insertions, 12 deletions
diff --git a/blockdev.c b/blockdev.c
index ed97d8a7ba..14e89dea17 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -345,9 +345,7 @@ static bool parse_stats_intervals(BlockAcctStats *stats, QList *intervals,
static bool check_throttle_config(ThrottleConfig *cfg, Error **errp)
{
- if (throttle_conflicting(cfg)) {
- error_setg(errp, "bps/iops/max total values and read/write values"
- " cannot be used at the same time");
+ if (throttle_conflicting(cfg, errp)) {
return false;
}
diff --git a/include/qemu/throttle.h b/include/qemu/throttle.h
index 52c98d9e61..69cf171b1a 100644
--- a/include/qemu/throttle.h
+++ b/include/qemu/throttle.h
@@ -106,7 +106,7 @@ bool throttle_timers_are_initialized(ThrottleTimers *tt);
/* configuration */
bool throttle_enabled(ThrottleConfig *cfg);
-bool throttle_conflicting(ThrottleConfig *cfg);
+bool throttle_conflicting(ThrottleConfig *cfg, Error **errp);
bool throttle_is_valid(ThrottleConfig *cfg);
diff --git a/tests/test-throttle.c b/tests/test-throttle.c
index 858f1aa43f..579b8af87e 100644
--- a/tests/test-throttle.c
+++ b/tests/test-throttle.c
@@ -255,31 +255,31 @@ static void test_conflicts_for_one_set(bool is_max,
int write)
{
memset(&cfg, 0, sizeof(cfg));
- g_assert(!throttle_conflicting(&cfg));
+ g_assert(!throttle_conflicting(&cfg, NULL));
set_cfg_value(is_max, total, 1);
set_cfg_value(is_max, read, 1);
- g_assert(throttle_conflicting(&cfg));
+ g_assert(throttle_conflicting(&cfg, NULL));
memset(&cfg, 0, sizeof(cfg));
set_cfg_value(is_max, total, 1);
set_cfg_value(is_max, write, 1);
- g_assert(throttle_conflicting(&cfg));
+ g_assert(throttle_conflicting(&cfg, NULL));
memset(&cfg, 0, sizeof(cfg));
set_cfg_value(is_max, total, 1);
set_cfg_value(is_max, read, 1);
set_cfg_value(is_max, write, 1);
- g_assert(throttle_conflicting(&cfg));
+ g_assert(throttle_conflicting(&cfg, NULL));
memset(&cfg, 0, sizeof(cfg));
set_cfg_value(is_max, total, 1);
- g_assert(!throttle_conflicting(&cfg));
+ g_assert(!throttle_conflicting(&cfg, NULL));
memset(&cfg, 0, sizeof(cfg));
set_cfg_value(is_max, read, 1);
set_cfg_value(is_max, write, 1);
- g_assert(!throttle_conflicting(&cfg));
+ g_assert(!throttle_conflicting(&cfg, NULL));
}
static void test_conflicting_config(void)
diff --git a/util/throttle.c b/util/throttle.c
index c21043a8d5..564e13261e 100644
--- a/util/throttle.c
+++ b/util/throttle.c
@@ -252,8 +252,9 @@ bool throttle_enabled(ThrottleConfig *cfg)
*
* @cfg: the throttling configuration to inspect
* @ret: true if any conflict detected else false
+ * @errp: error object
*/
-bool throttle_conflicting(ThrottleConfig *cfg)
+bool throttle_conflicting(ThrottleConfig *cfg, Error **errp)
{
bool bps_flag, ops_flag;
bool bps_max_flag, ops_max_flag;
@@ -274,7 +275,13 @@ bool throttle_conflicting(ThrottleConfig *cfg)
(cfg->buckets[THROTTLE_OPS_READ].max ||
cfg->buckets[THROTTLE_OPS_WRITE].max);
- return bps_flag || ops_flag || bps_max_flag || ops_max_flag;
+ if (bps_flag || ops_flag || bps_max_flag || ops_max_flag) {
+ error_setg(errp, "bps/iops/max total values and read/write values"
+ " cannot be used at the same time");
+ return true;
+ }
+
+ return false;
}
/* check if a throttling configuration is valid