From 65d22e911bfc4f46cda4751f1b1926b43c316c14 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Wed, 31 Jul 2013 00:03:54 -0700 Subject: bcache: Move spinlock into struct time_stats Minor cleanup. Signed-off-by: Kent Overstreet --- drivers/md/bcache/util.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'drivers/md/bcache/util.c') diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c index 420dad545c7d..462214eeacbe 100644 --- a/drivers/md/bcache/util.c +++ b/drivers/md/bcache/util.c @@ -168,10 +168,14 @@ int bch_parse_uuid(const char *s, char *uuid) void bch_time_stats_update(struct time_stats *stats, uint64_t start_time) { - uint64_t now = local_clock(); - uint64_t duration = time_after64(now, start_time) + uint64_t now, duration, last; + + spin_lock(&stats->lock); + + now = local_clock(); + duration = time_after64(now, start_time) ? now - start_time : 0; - uint64_t last = time_after64(now, stats->last) + last = time_after64(now, stats->last) ? now - stats->last : 0; stats->max_duration = max(stats->max_duration, duration); @@ -188,6 +192,8 @@ void bch_time_stats_update(struct time_stats *stats, uint64_t start_time) } stats->last = now ?: 1; + + spin_unlock(&stats->lock); } /** -- cgit v1.2.1