diff options
Diffstat (limited to 'drivers/lightnvm/pblk-gc.c')
| -rw-r--r-- | drivers/lightnvm/pblk-gc.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c index 2fa118c8eb71..26a52ea7ec45 100644 --- a/drivers/lightnvm/pblk-gc.c +++ b/drivers/lightnvm/pblk-gc.c @@ -365,16 +365,22 @@ static struct pblk_line *pblk_gc_get_victim_line(struct pblk *pblk, struct list_head *group_list) { struct pblk_line *line, *victim; - int line_vsc, victim_vsc; + unsigned int line_vsc = ~0x0L, victim_vsc = ~0x0L; victim = list_first_entry(group_list, struct pblk_line, list); + list_for_each_entry(line, group_list, list) { - line_vsc = le32_to_cpu(*line->vsc); - victim_vsc = le32_to_cpu(*victim->vsc); - if (line_vsc < victim_vsc) + if (!atomic_read(&line->sec_to_update)) + line_vsc = le32_to_cpu(*line->vsc); + if (line_vsc < victim_vsc) { victim = line; + victim_vsc = le32_to_cpu(*victim->vsc); + } } + if (victim_vsc == ~0x0) + return NULL; + return victim; } @@ -448,13 +454,13 @@ next_gc_group: do { spin_lock(&l_mg->gc_lock); - if (list_empty(group_list)) { + + line = pblk_gc_get_victim_line(pblk, group_list); + if (!line) { spin_unlock(&l_mg->gc_lock); break; } - line = pblk_gc_get_victim_line(pblk, group_list); - spin_lock(&line->lock); WARN_ON(line->state != PBLK_LINESTATE_CLOSED); line->state = PBLK_LINESTATE_GC; |