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lightnvm: move metadata mapping to lower level driver

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Now that blk_rq_map_kern can map both kmem and vmem, move internal
metadata mapping down to the lower level driver.

Reviewed-by: Javier González <javier@javigon.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hans Holmberg <hans@owltronix.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Hans Holmberg
2019-07-31 11:41:34 +02:00
committed by Jens Axboe
parent 98d87f70f4
commit 48e5da7255
8 changed files with 54 additions and 190 deletions
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39
drivers/lightnvm/pblk-recovery.c
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@@ -178,12 +178,11 @@ static int pblk_recov_pad_line(struct pblk *pblk, struct pblk_line *line,
void *meta_list;
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;
int left_line_ppas, rq_ppas, rq_len;
int left_line_ppas, rq_ppas;
int i, j;
int ret = 0;
@@ -212,28 +211,15 @@ next_pad_rq:
goto fail_complete;
}
rq_len = rq_ppas * geo->csecs;
bio = pblk_bio_map_addr(pblk, data, rq_ppas, rq_len,
PBLK_VMALLOC_META, GFP_KERNEL);
if (IS_ERR(bio)) {
ret = PTR_ERR(bio);
goto fail_complete;
}
bio->bi_iter.bi_sector = 0; /* internal bio */
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
rqd = pblk_alloc_rqd(pblk, PBLK_WRITE_INT);
ret = pblk_alloc_rqd_meta(pblk, rqd);
if (ret) {
pblk_free_rqd(pblk, rqd, PBLK_WRITE_INT);
bio_put(bio);
goto fail_complete;
}
rqd->bio = bio;
rqd->bio = NULL;
rqd->opcode = NVM_OP_PWRITE;
rqd->is_seq = 1;
rqd->nr_ppas = rq_ppas;
@@ -275,13 +261,12 @@ next_pad_rq:
kref_get(&pad_rq->ref);
pblk_down_chunk(pblk, ppa_list[0]);
ret = pblk_submit_io(pblk, rqd);
ret = pblk_submit_io(pblk, rqd, data);
if (ret) {
pblk_err(pblk, "I/O submission failed: %d\n", ret);
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);
goto fail_complete;
}
@@ -375,7 +360,6 @@ static int pblk_recov_scan_oob(struct pblk *pblk, struct pblk_line *line,
struct ppa_addr *ppa_list;
void *meta_list;
struct nvm_rq *rqd;
struct bio *bio;
void *data;
dma_addr_t dma_ppa_list, dma_meta_list;
__le64 *lba_list;
@@ -407,15 +391,7 @@ next_rq:
rq_len = rq_ppas * geo->csecs;
retry_rq:
bio = bio_map_kern(dev->q, data, rq_len, GFP_KERNEL);
if (IS_ERR(bio))
return PTR_ERR(bio);
bio->bi_iter.bi_sector = 0; /* internal bio */
bio_set_op_attrs(bio, REQ_OP_READ, 0);
bio_get(bio);
rqd->bio = bio;
rqd->bio = NULL;
rqd->opcode = NVM_OP_PREAD;
rqd->meta_list = meta_list;
rqd->nr_ppas = rq_ppas;
@@ -445,10 +421,9 @@ retry_rq:
addr_to_gen_ppa(pblk, paddr + j, line->id);
}
ret = pblk_submit_io_sync(pblk, rqd);
ret = pblk_submit_io_sync(pblk, rqd, data);
if (ret) {
pblk_err(pblk, "I/O submission failed: %d\n", ret);
bio_put(bio);
return ret;
}
@@ -460,24 +435,20 @@ retry_rq:
if (padded) {
pblk_log_read_err(pblk, rqd);
bio_put(bio);
return -EINTR;
}
pad_distance = pblk_pad_distance(pblk, line);
ret = pblk_recov_pad_line(pblk, line, pad_distance);
if (ret) {
bio_put(bio);
return ret;
}
padded = true;
bio_put(bio);
goto retry_rq;
}
pblk_get_packed_meta(pblk, rqd);
bio_put(bio);
for (i = 0; i < rqd->nr_ppas; i++) {
struct pblk_sec_meta *meta = pblk_get_meta(pblk, meta_list, i);