diff options
Diffstat (limited to 'drivers/lightnvm/pblk-core.c')
| -rw-r--r-- | drivers/lightnvm/pblk-core.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c index ac3742b85f2e..5e44768ccffa 100644 --- a/drivers/lightnvm/pblk-core.c +++ b/drivers/lightnvm/pblk-core.c @@ -29,6 +29,7 @@ static void pblk_mark_bb(struct pblk *pblk, struct pblk_line *line, pr_debug("pblk: erase failed: line:%d, pos:%d\n", line->id, pos); atomic_long_inc(&pblk->erase_failed); + atomic_dec(&line->blk_in_line); if (test_and_set_bit(pos, line->blk_bitmap)) pr_err("pblk: attempted to erase bb: line:%d, pos:%d\n", line->id, pos); @@ -832,21 +833,28 @@ int pblk_line_erase(struct pblk *pblk, struct pblk_line *line) struct ppa_addr ppa; int bit = -1; - /* Erase one block at the time and only erase good blocks */ - while ((bit = find_next_zero_bit(line->erase_bitmap, lm->blk_per_line, - bit + 1)) < lm->blk_per_line) { + /* Erase only good blocks, one at a time */ + do { + spin_lock(&line->lock); + bit = find_next_zero_bit(line->erase_bitmap, lm->blk_per_line, + bit + 1); + if (bit >= lm->blk_per_line) { + spin_unlock(&line->lock); + break; + } + ppa = pblk->luns[bit].bppa; /* set ch and lun */ ppa.g.blk = line->id; - /* If the erase fails, the block is bad and should be marked */ - line->left_eblks--; + atomic_dec(&line->left_eblks); WARN_ON(test_and_set_bit(bit, line->erase_bitmap)); + spin_unlock(&line->lock); if (pblk_blk_erase_sync(pblk, ppa)) { pr_err("pblk: failed to erase line %d\n", line->id); return -ENOMEM; } - } + } while (1); return 0; } @@ -1007,6 +1015,7 @@ retry_smeta: static int pblk_line_prepare(struct pblk *pblk, struct pblk_line *line) { struct pblk_line_meta *lm = &pblk->lm; + int blk_in_line = atomic_read(&line->blk_in_line); line->map_bitmap = mempool_alloc(pblk->line_meta_pool, GFP_ATOMIC); if (!line->map_bitmap) @@ -1030,12 +1039,13 @@ static int pblk_line_prepare(struct pblk *pblk, struct pblk_line *line) return -EINTR; } line->state = PBLK_LINESTATE_OPEN; + + atomic_set(&line->left_eblks, blk_in_line); + atomic_set(&line->left_seblks, blk_in_line); spin_unlock(&line->lock); /* Bad blocks do not need to be erased */ bitmap_copy(line->erase_bitmap, line->blk_bitmap, lm->blk_per_line); - line->left_eblks = line->blk_in_line; - atomic_set(&line->left_seblks, line->left_eblks); kref_init(&line->ref); @@ -1231,7 +1241,7 @@ retry_line: left_seblks = atomic_read(&new->left_seblks); if (left_seblks) { /* If line is not fully erased, erase it */ - if (new->left_eblks) { + if (atomic_read(&new->left_eblks)) { if (pblk_line_erase(pblk, new)) return NULL; } else { |