From 0e3ef49eda5bae3aa75aa8c0276411bf0f27e03a Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Fri, 17 Jun 2016 17:33:10 +0200 Subject: md: use seconds granularity for error logging The md code stores the exact time of the last error in the last_read_error variable using a timespec structure. It only ever uses the seconds portion of that though, so we can use a scalar for it. There won't be an overflow in 2038 here, because it already used monotonic time and 32-bit is enough for that, but I've decided to use time64_t for consistency in the conversion. Signed-off-by: Arnd Bergmann Signed-off-by: Shaohua Li --- drivers/md/raid10.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'drivers/md/raid10.c') diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 8ee5d96..f7f3c8a 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -2174,21 +2174,20 @@ static void recovery_request_write(struct mddev *mddev, struct r10bio *r10_bio) */ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev) { - struct timespec cur_time_mon; + long cur_time_mon; unsigned long hours_since_last; unsigned int read_errors = atomic_read(&rdev->read_errors); - ktime_get_ts(&cur_time_mon); + cur_time_mon = ktime_get_seconds(); - if (rdev->last_read_error.tv_sec == 0 && - rdev->last_read_error.tv_nsec == 0) { + if (rdev->last_read_error == 0) { /* first time we've seen a read error */ rdev->last_read_error = cur_time_mon; return; } - hours_since_last = (cur_time_mon.tv_sec - - rdev->last_read_error.tv_sec) / 3600; + hours_since_last = (long)(cur_time_mon - + rdev->last_read_error) / 3600; rdev->last_read_error = cur_time_mon; -- cgit v1.1