These are called from blkcg_print_blkgs() which already disables IRQs so disabling it again is wrong. It means that IRQs will be enabled slightly earlier than intended, however, so far as I can see, this bug is harmless. Fixes: 35198e323001 ("blk-iocost: read params inside lock in sysfs apis") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> --- v2: Fix typo in the subject block/blk-iocost.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/block/blk-iocost.c b/block/blk-iocost.c index 9dc9323f84ac..384aa15e8260 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -3166,7 +3166,7 @@ static u64 ioc_qos_prfill(struct seq_file *sf, struct blkg_policy_data *pd, if (!dname) return 0; - spin_lock_irq(&ioc->lock); + spin_lock(&ioc->lock); seq_printf(sf, "%s enable=%d ctrl=%s rpct=%u.%02u rlat=%u wpct=%u.%02u wlat=%u min=%u.%02u max=%u.%02u\n", dname, ioc->enabled, ioc->user_qos_params ? "user" : "auto", ioc->params.qos[QOS_RPPM] / 10000, @@ -3179,7 +3179,7 @@ static u64 ioc_qos_prfill(struct seq_file *sf, struct blkg_policy_data *pd, ioc->params.qos[QOS_MIN] % 10000 / 100, ioc->params.qos[QOS_MAX] / 10000, ioc->params.qos[QOS_MAX] % 10000 / 100); - spin_unlock_irq(&ioc->lock); + spin_unlock(&ioc->lock); return 0; } @@ -3366,14 +3366,14 @@ static u64 ioc_cost_model_prfill(struct seq_file *sf, if (!dname) return 0; - spin_lock_irq(&ioc->lock); + spin_lock(&ioc->lock); seq_printf(sf, "%s ctrl=%s model=linear " "rbps=%llu rseqiops=%llu rrandiops=%llu " "wbps=%llu wseqiops=%llu wrandiops=%llu\n", dname, ioc->user_cost_model ? "user" : "auto", u[I_LCOEF_RBPS], u[I_LCOEF_RSEQIOPS], u[I_LCOEF_RRANDIOPS], u[I_LCOEF_WBPS], u[I_LCOEF_WSEQIOPS], u[I_LCOEF_WRANDIOPS]); - spin_unlock_irq(&ioc->lock); + spin_unlock(&ioc->lock); return 0; } -- 2.45.2