From 23fa18eaa71266feff7ba8d83022d9e1cc83c65a Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:42:03 +0000
Subject: [PATCH] disable pwm7
---
kernel/drivers/lightnvm/pblk-sysfs.c | 50 +++++++++++++++++++++++++++++---------------------
1 files changed, 29 insertions(+), 21 deletions(-)
diff --git a/kernel/drivers/lightnvm/pblk-sysfs.c b/kernel/drivers/lightnvm/pblk-sysfs.c
index bdc86ee..6387302 100644
--- a/kernel/drivers/lightnvm/pblk-sysfs.c
+++ b/kernel/drivers/lightnvm/pblk-sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2016 CNEX Labs
* Initial release: Javier Gonzalez <javier@cnexlabs.com>
@@ -36,7 +37,7 @@
active = 0;
up(&rlun->wr_sem);
}
- sz += snprintf(page + sz, PAGE_SIZE - sz,
+ sz += scnprintf(page + sz, PAGE_SIZE - sz,
"pblk: pos:%d, ch:%d, lun:%d - %d\n",
i,
rlun->bppa.a.ch,
@@ -119,7 +120,7 @@
struct nvm_addrf_12 *ppaf = (struct nvm_addrf_12 *)&pblk->addrf;
struct nvm_addrf_12 *gppaf = (struct nvm_addrf_12 *)&geo->addrf;
- sz = snprintf(page, PAGE_SIZE,
+ sz = scnprintf(page, PAGE_SIZE,
"g:(b:%d)blk:%d/%d,pg:%d/%d,lun:%d/%d,ch:%d/%d,pl:%d/%d,sec:%d/%d\n",
pblk->addrf_len,
ppaf->blk_offset, ppaf->blk_len,
@@ -129,7 +130,7 @@
ppaf->pln_offset, ppaf->pln_len,
ppaf->sec_offset, ppaf->sec_len);
- sz += snprintf(page + sz, PAGE_SIZE - sz,
+ sz += scnprintf(page + sz, PAGE_SIZE - sz,
"d:blk:%d/%d,pg:%d/%d,lun:%d/%d,ch:%d/%d,pl:%d/%d,sec:%d/%d\n",
gppaf->blk_offset, gppaf->blk_len,
gppaf->pg_offset, gppaf->pg_len,
@@ -141,7 +142,7 @@
struct nvm_addrf *ppaf = &pblk->addrf;
struct nvm_addrf *gppaf = &geo->addrf;
- sz = snprintf(page, PAGE_SIZE,
+ sz = scnprintf(page, PAGE_SIZE,
"pblk:(s:%d)ch:%d/%d,lun:%d/%d,chk:%d/%d/sec:%d/%d\n",
pblk->addrf_len,
ppaf->ch_offset, ppaf->ch_len,
@@ -149,7 +150,7 @@
ppaf->chk_offset, ppaf->chk_len,
ppaf->sec_offset, ppaf->sec_len);
- sz += snprintf(page + sz, PAGE_SIZE - sz,
+ sz += scnprintf(page + sz, PAGE_SIZE - sz,
"device:ch:%d/%d,lun:%d/%d,chk:%d/%d,sec:%d/%d\n",
gppaf->ch_offset, gppaf->ch_len,
gppaf->lun_offset, gppaf->lun_len,
@@ -277,11 +278,11 @@
pblk_err(pblk, "corrupted free line list:%d/%d\n",
nr_free_lines, free_line_cnt);
- sz = snprintf(page, PAGE_SIZE - sz,
+ sz = scnprintf(page, PAGE_SIZE - sz,
"line: nluns:%d, nblks:%d, nsecs:%d\n",
geo->all_luns, lm->blk_per_line, lm->sec_per_line);
- sz += snprintf(page + sz, PAGE_SIZE - sz,
+ sz += scnprintf(page + sz, PAGE_SIZE - sz,
"lines:d:%d,l:%d-f:%d,m:%d/%d,c:%d,b:%d,co:%d(d:%d,l:%d)t:%d\n",
cur_data, cur_log,
nr_free_lines,
@@ -291,12 +292,12 @@
d_line_cnt, l_line_cnt,
l_mg->nr_lines);
- sz += snprintf(page + sz, PAGE_SIZE - sz,
+ sz += scnprintf(page + sz, PAGE_SIZE - sz,
"GC: full:%d, high:%d, mid:%d, low:%d, empty:%d, werr: %d, queue:%d\n",
gc_full, gc_high, gc_mid, gc_low, gc_empty, gc_werr,
atomic_read(&pblk->gc.read_inflight_gc));
- sz += snprintf(page + sz, PAGE_SIZE - sz,
+ sz += scnprintf(page + sz, PAGE_SIZE - sz,
"data (%d) cur:%d, left:%d, vsc:%d, s:%d, map:%d/%d (%d)\n",
cur_data, cur_sec, msecs, vsc, sec_in_line,
map_weight, lm->sec_per_line,
@@ -312,19 +313,19 @@
struct pblk_line_meta *lm = &pblk->lm;
ssize_t sz = 0;
- sz = snprintf(page, PAGE_SIZE - sz,
+ sz = scnprintf(page, PAGE_SIZE - sz,
"smeta - len:%d, secs:%d\n",
lm->smeta_len, lm->smeta_sec);
- sz += snprintf(page + sz, PAGE_SIZE - sz,
+ sz += scnprintf(page + sz, PAGE_SIZE - sz,
"emeta - len:%d, sec:%d, bb_start:%d\n",
lm->emeta_len[0], lm->emeta_sec[0],
lm->emeta_bb);
- sz += snprintf(page + sz, PAGE_SIZE - sz,
+ sz += scnprintf(page + sz, PAGE_SIZE - sz,
"bitmap lengths: sec:%d, blk:%d, lun:%d\n",
lm->sec_bitmap_len,
lm->blk_bitmap_len,
lm->lun_bitmap_len);
- sz += snprintf(page + sz, PAGE_SIZE - sz,
+ sz += scnprintf(page + sz, PAGE_SIZE - sz,
"blk_line:%d, sec_line:%d, sec_blk:%d\n",
lm->blk_per_line,
lm->sec_per_line,
@@ -343,12 +344,12 @@
{
int sz;
- sz = snprintf(page, PAGE_SIZE,
+ sz = scnprintf(page, PAGE_SIZE,
"user:%lld gc:%lld pad:%lld WA:",
user, gc, pad);
if (!user) {
- sz += snprintf(page + sz, PAGE_SIZE - sz, "NaN\n");
+ sz += scnprintf(page + sz, PAGE_SIZE - sz, "NaN\n");
} else {
u64 wa_int;
u32 wa_frac;
@@ -357,7 +358,7 @@
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",
+ sz += scnprintf(page + sz, PAGE_SIZE - sz, "%llu.%05u\n",
wa_int, wa_frac);
}
@@ -400,9 +401,9 @@
total = atomic64_read(&pblk->nr_flush) - pblk->nr_flush_rst;
if (!total) {
for (i = 0; i < (buckets + 1); i++)
- sz += snprintf(page + sz, PAGE_SIZE - sz,
+ sz += scnprintf(page + sz, PAGE_SIZE - sz,
"%d:0 ", i);
- sz += snprintf(page + sz, PAGE_SIZE - sz, "\n");
+ sz += scnprintf(page + sz, PAGE_SIZE - sz, "\n");
return sz;
}
@@ -410,7 +411,7 @@
for (i = 0; i < buckets; i++)
total_buckets += atomic64_read(&pblk->pad_dist[i]);
- sz += snprintf(page + sz, PAGE_SIZE - sz, "0:%lld%% ",
+ sz += scnprintf(page + sz, PAGE_SIZE - sz, "0:%lld%% ",
bucket_percentage(total - total_buckets, total));
for (i = 0; i < buckets; i++) {
@@ -418,10 +419,10 @@
p = bucket_percentage(atomic64_read(&pblk->pad_dist[i]),
total);
- sz += snprintf(page + sz, PAGE_SIZE - sz, "%d:%lld%% ",
+ sz += scnprintf(page + sz, PAGE_SIZE - sz, "%d:%lld%% ",
i + 1, p);
}
- sz += snprintf(page + sz, PAGE_SIZE - sz, "\n");
+ sz += scnprintf(page + sz, PAGE_SIZE - sz, "\n");
return sz;
}
@@ -478,6 +479,13 @@
if (kstrtouint(page, 0, &sec_per_write))
return -EINVAL;
+ if (!pblk_is_oob_meta_supported(pblk)) {
+ /* For packed metadata case it is
+ * not allowed to change sec_per_write.
+ */
+ return -EINVAL;
+ }
+
if (sec_per_write < pblk->min_write_pgs
|| sec_per_write > pblk->max_write_pgs
|| sec_per_write % pblk->min_write_pgs != 0)
--
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