From ee480683d975973e3ff679850871e00e011c4a96 Mon Sep 17 00:00:00 2001 From: Nicholas Bellinger Date: Wed, 13 Nov 2013 18:34:55 -0800 Subject: target: Convert se_device statistics to atomic_long_t This patch converts the handful of se_device statistics to type atomic_long_t, instead of using se_device->stats_lock when incrementing these values. More importantly, go ahead and drop the spinlock usage within transport_lookup_cmd_lun() fast-path code. Signed-off-by: Nicholas Bellinger --- drivers/target/target_core_tmr.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers/target/target_core_tmr.c') diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index 250009909d49..70c638f730af 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -386,9 +386,7 @@ int core_tmr_lun_reset( pr_debug("LUN_RESET: SCSI-2 Released reservation\n"); } - spin_lock_irq(&dev->stats_lock); - dev->num_resets++; - spin_unlock_irq(&dev->stats_lock); + atomic_long_inc(&dev->num_resets); pr_debug("LUN_RESET: %s for [%s] Complete\n", (preempt_and_abort_list) ? "Preempt" : "TMR", -- cgit v1.2.3