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path: root/drivers/lightnvm/pblk-core.c
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Diffstat (limited to 'drivers/lightnvm/pblk-core.c')
-rw-r--r--drivers/lightnvm/pblk-core.c65
1 files changed, 44 insertions, 21 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 6ca868868fee..773537804319 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -562,11 +562,9 @@ int pblk_submit_io_sync(struct pblk *pblk, struct nvm_rq *rqd)
int pblk_submit_io_sync_sem(struct pblk *pblk, struct nvm_rq *rqd)
{
- struct ppa_addr *ppa_list;
+ struct ppa_addr *ppa_list = nvm_rq_to_ppa_list(rqd);
int ret;
- ppa_list = (rqd->nr_ppas > 1) ? rqd->ppa_list : &rqd->ppa_addr;
-
pblk_down_chunk(pblk, ppa_list[0]);
ret = pblk_submit_io_sync(pblk, rqd);
pblk_up_chunk(pblk, ppa_list[0]);
@@ -725,6 +723,7 @@ int pblk_line_smeta_read(struct pblk *pblk, struct pblk_line *line)
struct nvm_tgt_dev *dev = pblk->dev;
struct pblk_line_meta *lm = &pblk->lm;
struct bio *bio;
+ struct ppa_addr *ppa_list;
struct nvm_rq rqd;
u64 paddr = pblk_line_smeta_start(pblk, line);
int i, ret;
@@ -748,9 +747,10 @@ int pblk_line_smeta_read(struct pblk *pblk, struct pblk_line *line)
rqd.opcode = NVM_OP_PREAD;
rqd.nr_ppas = lm->smeta_sec;
rqd.is_seq = 1;
+ ppa_list = nvm_rq_to_ppa_list(&rqd);
for (i = 0; i < lm->smeta_sec; i++, paddr++)
- rqd.ppa_list[i] = addr_to_gen_ppa(pblk, paddr, line->id);
+ ppa_list[i] = addr_to_gen_ppa(pblk, paddr, line->id);
ret = pblk_submit_io_sync(pblk, &rqd);
if (ret) {
@@ -761,8 +761,10 @@ int pblk_line_smeta_read(struct pblk *pblk, struct pblk_line *line)
atomic_dec(&pblk->inflight_io);
- if (rqd.error)
+ if (rqd.error && rqd.error != NVM_RSP_WARN_HIGHECC) {
pblk_log_read_err(pblk, &rqd);
+ ret = -EIO;
+ }
clear_rqd:
pblk_free_rqd_meta(pblk, &rqd);
@@ -775,6 +777,7 @@ static int pblk_line_smeta_write(struct pblk *pblk, struct pblk_line *line,
struct nvm_tgt_dev *dev = pblk->dev;
struct pblk_line_meta *lm = &pblk->lm;
struct bio *bio;
+ struct ppa_addr *ppa_list;
struct nvm_rq rqd;
__le64 *lba_list = emeta_to_lbas(pblk, line->emeta->buf);
__le64 addr_empty = cpu_to_le64(ADDR_EMPTY);
@@ -799,12 +802,13 @@ static int pblk_line_smeta_write(struct pblk *pblk, struct pblk_line *line,
rqd.opcode = NVM_OP_PWRITE;
rqd.nr_ppas = lm->smeta_sec;
rqd.is_seq = 1;
+ ppa_list = nvm_rq_to_ppa_list(&rqd);
for (i = 0; i < lm->smeta_sec; i++, paddr++) {
struct pblk_sec_meta *meta = pblk_get_meta(pblk,
rqd.meta_list, i);
- rqd.ppa_list[i] = addr_to_gen_ppa(pblk, paddr, line->id);
+ ppa_list[i] = addr_to_gen_ppa(pblk, paddr, line->id);
meta->lba = lba_list[paddr] = addr_empty;
}
@@ -834,8 +838,9 @@ int pblk_line_emeta_read(struct pblk *pblk, struct pblk_line *line,
struct nvm_geo *geo = &dev->geo;
struct pblk_line_mgmt *l_mg = &pblk->l_mg;
struct pblk_line_meta *lm = &pblk->lm;
- void *ppa_list, *meta_list;
+ void *ppa_list_buf, *meta_list;
struct bio *bio;
+ struct ppa_addr *ppa_list;
struct nvm_rq rqd;
u64 paddr = line->emeta_ssec;
dma_addr_t dma_ppa_list, dma_meta_list;
@@ -851,7 +856,7 @@ int pblk_line_emeta_read(struct pblk *pblk, struct pblk_line *line,
if (!meta_list)
return -ENOMEM;
- ppa_list = meta_list + pblk_dma_meta_size(pblk);
+ ppa_list_buf = meta_list + pblk_dma_meta_size(pblk);
dma_ppa_list = dma_meta_list + pblk_dma_meta_size(pblk);
next_rq:
@@ -872,11 +877,12 @@ next_rq:
rqd.bio = bio;
rqd.meta_list = meta_list;
- rqd.ppa_list = ppa_list;
+ rqd.ppa_list = ppa_list_buf;
rqd.dma_meta_list = dma_meta_list;
rqd.dma_ppa_list = dma_ppa_list;
rqd.opcode = NVM_OP_PREAD;
rqd.nr_ppas = rq_ppas;
+ ppa_list = nvm_rq_to_ppa_list(&rqd);
for (i = 0; i < rqd.nr_ppas; ) {
struct ppa_addr ppa = addr_to_gen_ppa(pblk, paddr, line_id);
@@ -904,7 +910,7 @@ next_rq:
}
for (j = 0; j < min; j++, i++, paddr++)
- rqd.ppa_list[i] = addr_to_gen_ppa(pblk, paddr, line_id);
+ ppa_list[i] = addr_to_gen_ppa(pblk, paddr, line_id);
}
ret = pblk_submit_io_sync(pblk, &rqd);
@@ -916,8 +922,11 @@ next_rq:
atomic_dec(&pblk->inflight_io);
- if (rqd.error)
+ if (rqd.error && rqd.error != NVM_RSP_WARN_HIGHECC) {
pblk_log_read_err(pblk, &rqd);
+ ret = -EIO;
+ goto free_rqd_dma;
+ }
emeta_buf += rq_len;
left_ppas -= rq_ppas;
@@ -1162,7 +1171,6 @@ static int pblk_line_init_bb(struct pblk *pblk, struct pblk_line *line,
off = bit * geo->ws_opt;
bitmap_set(line->map_bitmap, off, lm->smeta_sec);
line->sec_in_line -= lm->smeta_sec;
- line->smeta_ssec = off;
line->cur_sec = off + lm->smeta_sec;
if (init && pblk_line_smeta_write(pblk, line, off)) {
@@ -1521,11 +1529,9 @@ void pblk_ppa_to_line_put(struct pblk *pblk, struct ppa_addr ppa)
void pblk_rq_to_line_put(struct pblk *pblk, struct nvm_rq *rqd)
{
- struct ppa_addr *ppa_list;
+ struct ppa_addr *ppa_list = nvm_rq_to_ppa_list(rqd);
int i;
- ppa_list = (rqd->nr_ppas > 1) ? rqd->ppa_list : &rqd->ppa_addr;
-
for (i = 0; i < rqd->nr_ppas; i++)
pblk_ppa_to_line_put(pblk, ppa_list[i]);
}
@@ -1699,6 +1705,14 @@ static void __pblk_line_put(struct pblk *pblk, struct pblk_line *line)
spin_lock(&line->lock);
WARN_ON(line->state != PBLK_LINESTATE_GC);
+ if (line->w_err_gc->has_gc_err) {
+ spin_unlock(&line->lock);
+ pblk_err(pblk, "line %d had errors during GC\n", line->id);
+ pblk_put_line_back(pblk, line);
+ line->w_err_gc->has_gc_err = 0;
+ return;
+ }
+
line->state = PBLK_LINESTATE_FREE;
trace_pblk_line_state(pblk_disk_name(pblk), line->id,
line->state);
@@ -2023,7 +2037,7 @@ void pblk_update_map(struct pblk *pblk, sector_t lba, struct ppa_addr ppa)
struct ppa_addr ppa_l2p;
/* logic error: lba out-of-bounds. Ignore update */
- if (!(lba < pblk->rl.nr_secs)) {
+ if (!(lba < pblk->capacity)) {
WARN(1, "pblk: corrupted L2P map request\n");
return;
}
@@ -2063,7 +2077,7 @@ int pblk_update_map_gc(struct pblk *pblk, sector_t lba, struct ppa_addr ppa_new,
#endif
/* logic error: lba out-of-bounds. Ignore update */
- if (!(lba < pblk->rl.nr_secs)) {
+ if (!(lba < pblk->capacity)) {
WARN(1, "pblk: corrupted L2P map request\n");
return 0;
}
@@ -2109,7 +2123,7 @@ void pblk_update_map_dev(struct pblk *pblk, sector_t lba,
}
/* logic error: lba out-of-bounds. Ignore update */
- if (!(lba < pblk->rl.nr_secs)) {
+ if (!(lba < pblk->capacity)) {
WARN(1, "pblk: corrupted L2P map request\n");
return;
}
@@ -2135,8 +2149,8 @@ out:
spin_unlock(&pblk->trans_lock);
}
-void pblk_lookup_l2p_seq(struct pblk *pblk, struct ppa_addr *ppas,
- sector_t blba, int nr_secs)
+int pblk_lookup_l2p_seq(struct pblk *pblk, struct ppa_addr *ppas,
+ sector_t blba, int nr_secs, bool *from_cache)
{
int i;
@@ -2150,10 +2164,19 @@ void pblk_lookup_l2p_seq(struct pblk *pblk, struct ppa_addr *ppas,
if (!pblk_ppa_empty(ppa) && !pblk_addr_in_cache(ppa)) {
struct pblk_line *line = pblk_ppa_to_line(pblk, ppa);
+ if (i > 0 && *from_cache)
+ break;
+ *from_cache = false;
+
kref_get(&line->ref);
+ } else {
+ if (i > 0 && !*from_cache)
+ break;
+ *from_cache = true;
}
}
spin_unlock(&pblk->trans_lock);
+ return i;
}
void pblk_lookup_l2p_rand(struct pblk *pblk, struct ppa_addr *ppas,
@@ -2167,7 +2190,7 @@ void pblk_lookup_l2p_rand(struct pblk *pblk, struct ppa_addr *ppas,
lba = lba_list[i];
if (lba != ADDR_EMPTY) {
/* logic error: lba out-of-bounds. Ignore update */
- if (!(lba < pblk->rl.nr_secs)) {
+ if (!(lba < pblk->capacity)) {
WARN(1, "pblk: corrupted L2P map request\n");
continue;
}