diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-21 09:23:55 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-21 09:23:55 +0200 |
commit | 33f16b25a091687388152d4b29593a39d819aa22 (patch) | |
tree | 34a8ef8acf3f14ca0e4f514756222876d00ff202 /block/blk-stat.c | |
parent | 23f87274f0ad4a9167de23a330ed88966634fdf6 (diff) | |
parent | ba4f184e126b751d1bffad5897f263108befc780 (diff) |
Merge 5.9.0-rc6 into tty-next
We need the tty/serial fixes in here and this resolves a merge issue in
the 8250 driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block/blk-stat.c')
-rw-r--r-- | block/blk-stat.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/block/blk-stat.c b/block/blk-stat.c index 7da302ff88d0..ae3dd1fb8e61 100644 --- a/block/blk-stat.c +++ b/block/blk-stat.c @@ -137,6 +137,7 @@ void blk_stat_add_callback(struct request_queue *q, struct blk_stat_callback *cb) { unsigned int bucket; + unsigned long flags; int cpu; for_each_possible_cpu(cpu) { @@ -147,20 +148,22 @@ void blk_stat_add_callback(struct request_queue *q, blk_rq_stat_init(&cpu_stat[bucket]); } - spin_lock(&q->stats->lock); + spin_lock_irqsave(&q->stats->lock, flags); list_add_tail_rcu(&cb->list, &q->stats->callbacks); blk_queue_flag_set(QUEUE_FLAG_STATS, q); - spin_unlock(&q->stats->lock); + spin_unlock_irqrestore(&q->stats->lock, flags); } void blk_stat_remove_callback(struct request_queue *q, struct blk_stat_callback *cb) { - spin_lock(&q->stats->lock); + unsigned long flags; + + spin_lock_irqsave(&q->stats->lock, flags); list_del_rcu(&cb->list); if (list_empty(&q->stats->callbacks) && !q->stats->enable_accounting) blk_queue_flag_clear(QUEUE_FLAG_STATS, q); - spin_unlock(&q->stats->lock); + spin_unlock_irqrestore(&q->stats->lock, flags); del_timer_sync(&cb->timer); } @@ -183,10 +186,12 @@ void blk_stat_free_callback(struct blk_stat_callback *cb) void blk_stat_enable_accounting(struct request_queue *q) { - spin_lock(&q->stats->lock); + unsigned long flags; + + spin_lock_irqsave(&q->stats->lock, flags); q->stats->enable_accounting = true; blk_queue_flag_set(QUEUE_FLAG_STATS, q); - spin_unlock(&q->stats->lock); + spin_unlock_irqrestore(&q->stats->lock, flags); } EXPORT_SYMBOL_GPL(blk_stat_enable_accounting); |