From 6921b1809507797752b039b2892fc33bf6bccb7e Mon Sep 17 00:00:00 2001 From: Alberto Garcia Date: Thu, 18 Feb 2016 12:26:55 +0200 Subject: [PATCH] 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 Reviewed-by: Kevin Wolf Reviewed-by: Stefan Hajnoczi Signed-off-by: Kevin Wolf --- blockdev.c | 4 +--- include/qemu/throttle.h | 2 +- tests/test-throttle.c | 12 ++++++------ util/throttle.c | 11 +++++++++-- 4 files changed, 17 insertions(+), 12 deletions(-) diff --git a/blockdev.c b/blockdev.c index ed97d8a..14e89de 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 52c98d9..69cf171 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 858f1aa..579b8af 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 c21043a..564e132 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 -- 2.7.4