diff options
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index e9a0b61f12a..9d42cbfc4f8 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -51,6 +51,7 @@ #include <linux/times.h> #include <linux/acct.h> #include <linux/kprobes.h> +#include <linux/delayacct.h> #include <asm/tlb.h> #include <asm/unistd.h> @@ -4534,9 +4535,11 @@ void __sched io_schedule(void) { struct rq *rq = &__raw_get_cpu_var(runqueues); + delayacct_blkio_start(); atomic_inc(&rq->nr_iowait); schedule(); atomic_dec(&rq->nr_iowait); + delayacct_blkio_end(); } EXPORT_SYMBOL(io_schedule); @@ -4545,9 +4548,11 @@ long __sched io_schedule_timeout(long timeout) struct rq *rq = &__raw_get_cpu_var(runqueues); long ret; + delayacct_blkio_start(); atomic_inc(&rq->nr_iowait); ret = schedule_timeout(timeout); atomic_dec(&rq->nr_iowait); + delayacct_blkio_end(); return ret; } |