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author | Igor Konopko <igor.j.konopko@intel.com> | 2019-05-04 20:38:11 +0200 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2019-05-06 18:19:19 +0200 |
commit | 45c5fcbb73416f367100a4bccd116fd2752e5940 (patch) | |
tree | a639b328a9d5ccf9d2c447ca303af8daac017702 /drivers/lightnvm | |
parent | lightnvm: pblk: simplify partial read path (diff) | |
download | linux-45c5fcbb73416f367100a4bccd116fd2752e5940.tar.xz linux-45c5fcbb73416f367100a4bccd116fd2752e5940.zip |
lightnvm: pblk: use nvm_rq_to_ppa_list()
This patch replaces few remaining usages of rqd->ppa_list[] with
existing nvm_rq_to_ppa_list() helpers. This is needed for theoretical
devices with ws_min/ws_opt equal to 1.
Signed-off-by: Igor Konopko <igor.j.konopko@intel.com>
Reviewed-by: Javier González <javier@javigon.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r-- | drivers/lightnvm/pblk-core.c | 26 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-recovery.c | 13 |
2 files changed, 22 insertions, 17 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c index 07270ba1e95f..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) { @@ -777,6 +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); @@ -801,12 +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; } @@ -836,8 +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; @@ -853,7 +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: @@ -874,11 +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); @@ -906,7 +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); @@ -1525,11 +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]); } diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c index a9085b0e6611..e6dda04de144 100644 --- a/drivers/lightnvm/pblk-recovery.c +++ b/drivers/lightnvm/pblk-recovery.c @@ -179,6 +179,7 @@ static int pblk_recov_pad_line(struct pblk *pblk, struct pblk_line *line, struct pblk_pad_rq *pad_rq; struct nvm_rq *rqd; struct bio *bio; + struct ppa_addr *ppa_list; void *data; __le64 *lba_list = emeta_to_lbas(pblk, line->emeta->buf); u64 w_ptr = line->cur_sec; @@ -239,6 +240,7 @@ next_pad_rq: rqd->end_io = pblk_end_io_recov; rqd->private = pad_rq; + ppa_list = nvm_rq_to_ppa_list(rqd); meta_list = rqd->meta_list; for (i = 0; i < rqd->nr_ppas; ) { @@ -266,17 +268,17 @@ next_pad_rq: lba_list[w_ptr] = addr_empty; meta = pblk_get_meta(pblk, meta_list, i); meta->lba = addr_empty; - rqd->ppa_list[i] = dev_ppa; + ppa_list[i] = dev_ppa; } } kref_get(&pad_rq->ref); - pblk_down_chunk(pblk, rqd->ppa_list[0]); + pblk_down_chunk(pblk, ppa_list[0]); ret = pblk_submit_io(pblk, rqd); if (ret) { pblk_err(pblk, "I/O submission failed: %d\n", ret); - pblk_up_chunk(pblk, rqd->ppa_list[0]); + pblk_up_chunk(pblk, ppa_list[0]); kref_put(&pad_rq->ref, pblk_recov_complete); pblk_free_rqd(pblk, rqd, PBLK_WRITE_INT); bio_put(bio); @@ -420,6 +422,7 @@ retry_rq: rqd->ppa_list = ppa_list; rqd->dma_ppa_list = dma_ppa_list; rqd->dma_meta_list = dma_meta_list; + ppa_list = nvm_rq_to_ppa_list(rqd); if (pblk_io_aligned(pblk, rq_ppas)) rqd->is_seq = 1; @@ -438,7 +441,7 @@ retry_rq: } for (j = 0; j < pblk->min_write_pgs; j++, i++) - rqd->ppa_list[i] = + ppa_list[i] = addr_to_gen_ppa(pblk, paddr + j, line->id); } @@ -486,7 +489,7 @@ retry_rq: continue; line->nr_valid_lbas++; - pblk_update_map(pblk, lba, rqd->ppa_list[i]); + pblk_update_map(pblk, lba, ppa_list[i]); } left_ppas -= rq_ppas; |