diff options
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 82b6c27b3245..2eb87444b157 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -3666,6 +3666,7 @@ static void cfq_init_prio_data(struct cfq_queue *cfqq, struct cfq_io_cq *cic) switch (ioprio_class) { default: printk(KERN_ERR "cfq: bad prio %x\n", ioprio_class); + /* fall through */ case IOPRIO_CLASS_NONE: /* * no prio set, inherit CPU scheduling settings @@ -4735,12 +4736,13 @@ USEC_SHOW_FUNCTION(cfq_target_latency_us_show, cfqd->cfq_target_latency); static ssize_t __FUNC(struct elevator_queue *e, const char *page, size_t count) \ { \ struct cfq_data *cfqd = e->elevator_data; \ - unsigned int __data; \ + unsigned int __data, __min = (MIN), __max = (MAX); \ + \ cfq_var_store(&__data, (page)); \ - if (__data < (MIN)) \ - __data = (MIN); \ - else if (__data > (MAX)) \ - __data = (MAX); \ + if (__data < __min) \ + __data = __min; \ + else if (__data > __max) \ + __data = __max; \ if (__CONV) \ *(__PTR) = (u64)__data * NSEC_PER_MSEC; \ else \ @@ -4769,12 +4771,13 @@ STORE_FUNCTION(cfq_target_latency_store, &cfqd->cfq_target_latency, 1, UINT_MAX, static ssize_t __FUNC(struct elevator_queue *e, const char *page, size_t count) \ { \ struct cfq_data *cfqd = e->elevator_data; \ - unsigned int __data; \ + unsigned int __data, __min = (MIN), __max = (MAX); \ + \ cfq_var_store(&__data, (page)); \ - if (__data < (MIN)) \ - __data = (MIN); \ - else if (__data > (MAX)) \ - __data = (MAX); \ + if (__data < __min) \ + __data = __min; \ + else if (__data > __max) \ + __data = __max; \ *(__PTR) = (u64)__data * NSEC_PER_USEC; \ return count; \ } |