diff options
Diffstat (limited to 'block/blk-sysfs.c')
| -rw-r--r-- | block/blk-sysfs.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index dcdfcaa126539..1855c6770045c 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -352,24 +352,34 @@ queue_rq_affinity_store(struct request_queue *q, const char *page, size_t count) static ssize_t queue_poll_delay_show(struct request_queue *q, char *page) { - return queue_var_show(q->poll_nsec / 1000, page); + int val; + + if (q->poll_nsec == -1) + val = -1; + else + val = q->poll_nsec / 1000; + + return sprintf(page, "%d\n", val); } static ssize_t queue_poll_delay_store(struct request_queue *q, const char *page, size_t count) { - unsigned long poll_usec; - ssize_t ret; + int err, val; if (!q->mq_ops || !q->mq_ops->poll) return -EINVAL; - ret = queue_var_store(&poll_usec, page, count); - if (ret < 0) - return ret; + err = kstrtoint(page, 10, &val); + if (err < 0) + return err; - q->poll_nsec = poll_usec * 1000; - return ret; + if (val == -1) + q->poll_nsec = -1; + else + q->poll_nsec = val * 1000; + + return count; } static ssize_t queue_poll_show(struct request_queue *q, char *page) |