diff options
author | Rakesh Pandit <rakesh@tuxera.com> | 2017-10-13 14:46:00 +0200 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2017-10-13 08:34:57 -0600 |
commit | 32825ebb06fafeff463ed23e9d0dea459ebd30fe (patch) | |
tree | de940ed6e2f5cdf6cf7e3ed202ce06edce7e796d /drivers/lightnvm | |
parent | c79819bc0877e4cbed8013b1abc9697e8805b21b (diff) |
lightnvm: pblk: reuse pblk_gc_should_kick
This is a trivial change which reuses pblk_gc_should_kick instead of
repeating it again in pblk_rl_free_lines_inc.
Signed-off-by: Rakesh Pandit <rakesh@tuxera.com>
Made it apply to the common case.
Reviewed-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r-- | drivers/lightnvm/pblk-core.c | 2 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-rl.c | 33 | ||||
-rw-r--r-- | drivers/lightnvm/pblk.h | 1 |
3 files changed, 9 insertions, 27 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c index 8536d38ef97e..a68c6ae536e5 100644 --- a/drivers/lightnvm/pblk-core.c +++ b/drivers/lightnvm/pblk-core.c @@ -1591,8 +1591,6 @@ void pblk_line_close(struct pblk *pblk, struct pblk_line *line) spin_unlock(&line->lock); spin_unlock(&l_mg->gc_lock); - - pblk_gc_should_kick(pblk); } void pblk_line_close_meta(struct pblk *pblk, struct pblk_line *line) 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) diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h index 9ece409993fe..3a07c5b61a0c 100644 --- a/drivers/lightnvm/pblk.h +++ b/drivers/lightnvm/pblk.h @@ -824,7 +824,6 @@ int pblk_gc_init(struct pblk *pblk); void pblk_gc_exit(struct pblk *pblk); void pblk_gc_should_start(struct pblk *pblk); void pblk_gc_should_stop(struct pblk *pblk); -void pblk_gc_should_kick(struct pblk *pblk); void pblk_gc_kick(struct pblk *pblk); void pblk_gc_sysfs_state_show(struct pblk *pblk, int *gc_enabled, int *gc_active); |