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path: root/drivers/lightnvm
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-rw-r--r--drivers/lightnvm/pblk-core.c32
-rw-r--r--drivers/lightnvm/pblk-init.c10
-rw-r--r--drivers/lightnvm/pblk-sysfs.c3
3 files changed, 21 insertions, 24 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 80710c62ac29..8dce31dbf2cb 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -893,10 +893,8 @@ static void pblk_setup_e_rq(struct pblk *pblk, struct nvm_rq *rqd,
static int pblk_blk_erase_sync(struct pblk *pblk, struct ppa_addr ppa)
{
- struct nvm_rq rqd;
- int ret = 0;
-
- memset(&rqd, 0, sizeof(struct nvm_rq));
+ struct nvm_rq rqd = {NULL};
+ int ret;
pblk_setup_e_rq(pblk, &rqd, ppa);
@@ -904,19 +902,6 @@ static int pblk_blk_erase_sync(struct pblk *pblk, struct ppa_addr ppa)
* with writes. Thus, there is no need to take the LUN semaphore.
*/
ret = pblk_submit_io_sync(pblk, &rqd);
- if (ret) {
- struct nvm_tgt_dev *dev = pblk->dev;
- struct nvm_geo *geo = &dev->geo;
-
- pblk_err(pblk, "could not sync erase line:%d,blk:%d\n",
- pblk_ppa_to_line(ppa),
- pblk_ppa_to_pos(geo, ppa));
-
- rqd.error = ret;
- goto out;
- }
-
-out:
rqd.private = pblk;
__pblk_end_io_erase(pblk, &rqd);
@@ -1788,6 +1773,17 @@ void pblk_line_close_meta(struct pblk *pblk, struct pblk_line *line)
wa->pad = cpu_to_le64(atomic64_read(&pblk->pad_wa));
wa->gc = cpu_to_le64(atomic64_read(&pblk->gc_wa));
+ if (le32_to_cpu(emeta_buf->header.identifier) != PBLK_MAGIC) {
+ emeta_buf->header.identifier = cpu_to_le32(PBLK_MAGIC);
+ memcpy(emeta_buf->header.uuid, pblk->instance_uuid, 16);
+ emeta_buf->header.id = cpu_to_le32(line->id);
+ emeta_buf->header.type = cpu_to_le16(line->type);
+ emeta_buf->header.version_major = EMETA_VERSION_MAJOR;
+ emeta_buf->header.version_minor = EMETA_VERSION_MINOR;
+ emeta_buf->header.crc = cpu_to_le32(
+ pblk_calc_meta_header_crc(pblk, &emeta_buf->header));
+ }
+
emeta_buf->nr_valid_lbas = cpu_to_le64(line->nr_valid_lbas);
emeta_buf->crc = cpu_to_le32(pblk_calc_emeta_crc(pblk, emeta_buf));
@@ -1805,8 +1801,6 @@ void pblk_line_close_meta(struct pblk *pblk, struct pblk_line *line)
spin_unlock(&l_mg->close_lock);
pblk_line_should_sync_meta(pblk);
-
-
}
static void pblk_save_lba_list(struct pblk *pblk, struct pblk_line *line)
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index 537e98f2b24a..88b632787abd 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -181,7 +181,8 @@ static int pblk_rwb_init(struct pblk *pblk)
unsigned int power_size, power_seg_sz;
int pgs_in_buffer;
- pgs_in_buffer = max(geo->mw_cunits, geo->ws_opt) * geo->all_luns;
+ pgs_in_buffer = (max(geo->mw_cunits, geo->ws_opt) + geo->ws_opt)
+ * geo->all_luns;
if (write_buffer_size && (write_buffer_size > pgs_in_buffer))
buffer_size = write_buffer_size;
@@ -371,9 +372,11 @@ static int pblk_core_init(struct pblk *pblk)
atomic64_set(&pblk->nr_flush, 0);
pblk->nr_flush_rst = 0;
- pblk->min_write_pgs = geo->ws_opt * (geo->csecs / PAGE_SIZE);
+ pblk->min_write_pgs = geo->ws_opt;
max_write_ppas = pblk->min_write_pgs * geo->all_luns;
pblk->max_write_pgs = min_t(int, max_write_ppas, NVM_MAX_VLBA);
+ pblk->max_write_pgs = min_t(int, pblk->max_write_pgs,
+ queue_max_hw_sectors(dev->q) / (geo->csecs >> SECTOR_SHIFT));
pblk_set_sec_per_write(pblk, pblk->min_write_pgs);
if (pblk->max_write_pgs > PBLK_MAX_REQ_ADDRS) {
@@ -1083,7 +1086,8 @@ static int pblk_lines_init(struct pblk *pblk)
if (!nr_free_chks) {
pblk_err(pblk, "too many bad blocks prevent for sane instance\n");
- return -EINTR;
+ ret = -EINTR;
+ goto fail_free_lines;
}
pblk_set_provision(pblk, nr_free_chks);
diff --git a/drivers/lightnvm/pblk-sysfs.c b/drivers/lightnvm/pblk-sysfs.c
index 8d2ed510c04b..bdc86ee4c779 100644
--- a/drivers/lightnvm/pblk-sysfs.c
+++ b/drivers/lightnvm/pblk-sysfs.c
@@ -343,7 +343,6 @@ static ssize_t pblk_get_write_amp(u64 user, u64 gc, u64 pad,
{
int sz;
-
sz = snprintf(page, PAGE_SIZE,
"user:%lld gc:%lld pad:%lld WA:",
user, gc, pad);
@@ -355,7 +354,7 @@ static ssize_t pblk_get_write_amp(u64 user, u64 gc, u64 pad,
u32 wa_frac;
wa_int = (user + gc + pad) * 100000;
- wa_int = div_u64(wa_int, user);
+ wa_int = div64_u64(wa_int, user);
wa_int = div_u64_rem(wa_int, 100000, &wa_frac);
sz += snprintf(page + sz, PAGE_SIZE - sz, "%llu.%05u\n",