diff options
Diffstat (limited to 'drivers/lightnvm/pblk-rl.c')
-rw-r--r-- | drivers/lightnvm/pblk-rl.c | 33 |
1 files changed, 9 insertions, 24 deletions
diff --git a/drivers/lightnvm/pblk-rl.c b/drivers/lightnvm/pblk-rl.c index 2e6a5361baf0..9565c3bc4d0b 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) +static 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) |