Merge branch 'topic/disconnect' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-rcar

1 files changed, 15 insertions, 34 deletions

diff --git a/drivers/lightnvm/pblk-rl.c b/drivers/lightnvm/pblk-rl.c
index 2e6a5361baf0..dacc71922260 100644
--- a/drivers/lightnvm/pblk-rl.c
+++ b/drivers/lightnvm/pblk-rl.c
@@ -96,9 +96,11 @@ unsigned long pblk_rl_nr_free_blks(struct pblk_rl *rl)
  *
  * Only the total number of free blocks is used to configure the rate limiter.
  */
-static int pblk_rl_update_rates(struct pblk_rl *rl, unsigned long max)
+void pblk_rl_update_rates(struct pblk_rl *rl)
 {
+	struct pblk *pblk = container_of(rl, struct pblk, rl);
 	unsigned long free_blocks = pblk_rl_nr_free_blks(rl);
+	int max = rl->rb_budget;
 
 	if (free_blocks >= rl->high) {
 		rl->rb_user_max = max;
@@ -124,23 +126,18 @@ static int pblk_rl_update_rates(struct pblk_rl *rl, unsigned long max)
 		rl->rb_state = PBLK_RL_LOW;
 	}
 
-	return rl->rb_state;
+	if (rl->rb_state == (PBLK_RL_MID | PBLK_RL_LOW))
+		pblk_gc_should_start(pblk);
+	else
+		pblk_gc_should_stop(pblk);
 }
 
 void pblk_rl_free_lines_inc(struct pblk_rl *rl, struct pblk_line *line)
 {
-	struct pblk *pblk = container_of(rl, struct pblk, rl);
 	int blk_in_line = atomic_read(&line->blk_in_line);
-	int ret;
 
 	atomic_add(blk_in_line, &rl->free_blocks);
-	/* Rates will not change that often - no need to lock update */
-	ret = pblk_rl_update_rates(rl, rl->rb_budget);
-
-	if (ret == (PBLK_RL_MID | PBLK_RL_LOW))
-		pblk_gc_should_start(pblk);
-	else
-		pblk_gc_should_stop(pblk);
+	pblk_rl_update_rates(rl);
 }
 
 void pblk_rl_free_lines_dec(struct pblk_rl *rl, struct pblk_line *line)
@@ -148,19 +145,7 @@ void pblk_rl_free_lines_dec(struct pblk_rl *rl, struct pblk_line *line)
 	int blk_in_line = atomic_read(&line->blk_in_line);
 
 	atomic_sub(blk_in_line, &rl->free_blocks);
-}
-
-void pblk_gc_should_kick(struct pblk *pblk)
-{
-	struct pblk_rl *rl = &pblk->rl;
-	int ret;
-
-	/* Rates will not change that often - no need to lock update */
-	ret = pblk_rl_update_rates(rl, rl->rb_budget);
-	if (ret == (PBLK_RL_MID | PBLK_RL_LOW))
-		pblk_gc_should_start(pblk);
-	else
-		pblk_gc_should_stop(pblk);
+	pblk_rl_update_rates(rl);
 }
 
 int pblk_rl_high_thrs(struct pblk_rl *rl)
@@ -168,19 +153,14 @@ int pblk_rl_high_thrs(struct pblk_rl *rl)
 	return rl->high;
 }
 
-int pblk_rl_low_thrs(struct pblk_rl *rl)
-{
-	return rl->low;
-}
-
-int pblk_rl_sysfs_rate_show(struct pblk_rl *rl)
+int pblk_rl_max_io(struct pblk_rl *rl)
 {
-	return rl->rb_user_max;
+	return rl->rb_max_io;
 }
 
-static void pblk_rl_u_timer(unsigned long data)
+static void pblk_rl_u_timer(struct timer_list *t)
 {
-	struct pblk_rl *rl = (struct pblk_rl *)data;
+	struct pblk_rl *rl = from_timer(rl, t, u_timer);
 
 	/* Release user I/O state. Protect from GC */
 	smp_store_release(&rl->rb_user_active, 0);
@@ -214,6 +194,7 @@ void pblk_rl_init(struct pblk_rl *rl, int budget)
 	/* To start with, all buffer is available to user I/O writers */
 	rl->rb_budget = budget;
 	rl->rb_user_max = budget;
+	rl->rb_max_io = budget >> 1;
 	rl->rb_gc_max = 0;
 	rl->rb_state = PBLK_RL_HIGH;
 
@@ -221,7 +202,7 @@ void pblk_rl_init(struct pblk_rl *rl, int budget)
 	atomic_set(&rl->rb_gc_cnt, 0);
 	atomic_set(&rl->rb_space, -1);
 
-	setup_timer(&rl->u_timer, pblk_rl_u_timer, (unsigned long)rl);
+	timer_setup(&rl->u_timer, pblk_rl_u_timer, 0);
 
 	rl->rb_user_active = 0;
 	rl->rb_gc_active = 0;