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| author | Kent Overstreet <kmo@daterainc.com> | 2013-07-31 07:03:54 (GMT) |
|---|---|---|
| committer | Kent Overstreet <kmo@daterainc.com> | 2013-11-11 05:56:40 (GMT) |
| commit | 65d22e911bfc4f46cda4751f1b1926b43c316c14 (patch) | |
| tree | 2d860067f2cb0d25a3fda0b9d3873d911ce364fe /drivers/md/bcache/util.c | |
| parent | 8aee122071a69ca6fa3314da7713bdf0b61dc07c (diff) | |
| download | linux-65d22e911bfc4f46cda4751f1b1926b43c316c14.tar.xz | |
bcache: Move spinlock into struct time_stats
Minor cleanup.
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Diffstat (limited to 'drivers/md/bcache/util.c')
| -rw-r--r-- | drivers/md/bcache/util.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c index 420dad5..462214e 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); } /** |