diff options
Diffstat (limited to 'block/blk-iocost.c')
| -rw-r--r-- | block/blk-iocost.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/block/blk-iocost.c b/block/blk-iocost.c index 5fac3757e6e0..89b21a360b2c 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -2988,34 +2988,29 @@ static void ioc_pd_free(struct blkg_policy_data *pd) kfree(iocg); } -static size_t ioc_pd_stat(struct blkg_policy_data *pd, char *buf, size_t size) +static bool ioc_pd_stat(struct blkg_policy_data *pd, struct seq_file *s) { struct ioc_gq *iocg = pd_to_iocg(pd); struct ioc *ioc = iocg->ioc; - size_t pos = 0; if (!ioc->enabled) - return 0; + return false; if (iocg->level == 0) { unsigned vp10k = DIV64_U64_ROUND_CLOSEST( ioc->vtime_base_rate * 10000, VTIME_PER_USEC); - pos += scnprintf(buf + pos, size - pos, " cost.vrate=%u.%02u", - vp10k / 100, vp10k % 100); + seq_printf(s, " cost.vrate=%u.%02u", vp10k / 100, vp10k % 100); } - pos += scnprintf(buf + pos, size - pos, " cost.usage=%llu", - iocg->last_stat.usage_us); + seq_printf(s, " cost.usage=%llu", iocg->last_stat.usage_us); if (blkcg_debug_stats) - pos += scnprintf(buf + pos, size - pos, - " cost.wait=%llu cost.indebt=%llu cost.indelay=%llu", - iocg->last_stat.wait_us, - iocg->last_stat.indebt_us, - iocg->last_stat.indelay_us); - - return pos; + seq_printf(s, " cost.wait=%llu cost.indebt=%llu cost.indelay=%llu", + iocg->last_stat.wait_us, + iocg->last_stat.indebt_us, + iocg->last_stat.indelay_us); + return true; } static u64 ioc_weight_prfill(struct seq_file *sf, struct blkg_policy_data *pd, |