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path: root/drivers/lightnvm
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-rw-r--r--drivers/lightnvm/pblk-recovery.c44
1 files changed, 30 insertions, 14 deletions
diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index a080cf888982..9772a947ca4f 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -133,16 +133,16 @@ static int pblk_recov_l2p_from_emeta(struct pblk *pblk, struct pblk_line *line)
struct pblk_emeta *emeta = line->emeta;
struct line_emeta *emeta_buf = emeta->buf;
__le64 *lba_list;
- int data_start, data_end;
- int nr_valid_lbas, nr_lbas = 0;
- int i;
+ u64 data_start, data_end;
+ u64 nr_valid_lbas, nr_lbas = 0;
+ u64 i;
lba_list = pblk_recov_get_lba_list(pblk, emeta_buf);
if (!lba_list)
return 1;
data_start = pblk_line_smeta_start(pblk, line) + lm->smeta_sec;
- data_end = lm->sec_per_line - lm->emeta_sec[0];
+ data_end = line->emeta_ssec;
nr_valid_lbas = le64_to_cpu(emeta_buf->nr_valid_lbas);
for (i = data_start; i < data_end; i++) {
@@ -172,8 +172,8 @@ static int pblk_recov_l2p_from_emeta(struct pblk *pblk, struct pblk_line *line)
}
if (nr_valid_lbas != nr_lbas)
- pr_err("pblk: line %d - inconsistent lba list(%llu/%d)\n",
- line->id, emeta_buf->nr_valid_lbas, nr_lbas);
+ pr_err("pblk: line %d - inconsistent lba list(%llu/%llu)\n",
+ line->id, nr_valid_lbas, nr_lbas);
line->left_msecs = 0;
@@ -827,11 +827,33 @@ static void pblk_recov_line_add_ordered(struct list_head *head,
__list_add(&line->list, t->list.prev, &t->list);
}
-struct pblk_line *pblk_recov_l2p(struct pblk *pblk)
+static u64 pblk_line_emeta_start(struct pblk *pblk, struct pblk_line *line)
{
struct nvm_tgt_dev *dev = pblk->dev;
struct nvm_geo *geo = &dev->geo;
struct pblk_line_meta *lm = &pblk->lm;
+ unsigned int emeta_secs;
+ u64 emeta_start;
+ struct ppa_addr ppa;
+ int pos;
+
+ emeta_secs = lm->emeta_sec[0];
+ emeta_start = lm->sec_per_line;
+
+ while (emeta_secs) {
+ emeta_start--;
+ ppa = addr_to_pblk_ppa(pblk, emeta_start, line->id);
+ pos = pblk_ppa_to_pos(geo, ppa);
+ if (!test_bit(pos, line->blk_bitmap))
+ emeta_secs--;
+ }
+
+ return emeta_start;
+}
+
+struct pblk_line *pblk_recov_l2p(struct pblk *pblk)
+{
+ struct pblk_line_meta *lm = &pblk->lm;
struct pblk_line_mgmt *l_mg = &pblk->l_mg;
struct pblk_line *line, *tline, *data_line = NULL;
struct pblk_smeta *smeta;
@@ -930,15 +952,9 @@ struct pblk_line *pblk_recov_l2p(struct pblk *pblk)
/* Verify closed blocks and recover this portion of L2P table*/
list_for_each_entry_safe(line, tline, &recov_list, list) {
- int off, nr_bb;
-
recovered_lines++;
- /* Calculate where emeta starts based on the line bb */
- off = lm->sec_per_line - lm->emeta_sec[0];
- nr_bb = bitmap_weight(line->blk_bitmap, lm->blk_per_line);
- off -= nr_bb * geo->sec_per_pl;
- line->emeta_ssec = off;
+ line->emeta_ssec = pblk_line_emeta_start(pblk, line);
line->emeta = emeta;
memset(line->emeta->buf, 0, lm->emeta_len[0]);