From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/drivers/lightnvm/pblk-rl.c | 18 +++++++++++-------
1 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/kernel/drivers/lightnvm/pblk-rl.c b/kernel/drivers/lightnvm/pblk-rl.c
index 6a0616a..a5f8bc2 100644
--- a/kernel/drivers/lightnvm/pblk-rl.c
+++ b/kernel/drivers/lightnvm/pblk-rl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2016 CNEX Labs
* Initial release: Javier Gonzalez <javier@cnexlabs.com>
@@ -127,7 +128,7 @@
} else if (free_blocks < rl->high) {
int shift = rl->high_pw - rl->rb_windows_pw;
int user_windows = free_blocks >> shift;
- int user_max = user_windows << PBLK_MAX_REQ_ADDRS_PW;
+ int user_max = user_windows << ilog2(NVM_MAX_VLBA);
rl->rb_user_max = user_max;
rl->rb_gc_max = max - user_max;
@@ -206,16 +207,14 @@
del_timer(&rl->u_timer);
}
-void pblk_rl_init(struct pblk_rl *rl, int budget)
+void pblk_rl_init(struct pblk_rl *rl, int budget, int threshold)
{
struct pblk *pblk = container_of(rl, struct pblk, rl);
struct nvm_tgt_dev *dev = pblk->dev;
struct nvm_geo *geo = &dev->geo;
struct pblk_line_mgmt *l_mg = &pblk->l_mg;
struct pblk_line_meta *lm = &pblk->lm;
- int min_blocks = lm->blk_per_line * PBLK_GC_RSV_LINE;
int sec_meta, blk_meta;
-
unsigned int rb_windows;
/* Consider sectors used for metadata */
@@ -225,19 +224,24 @@
rl->high = pblk->op_blks - blk_meta - lm->blk_per_line;
rl->high_pw = get_count_order(rl->high);
- rl->rsv_blocks = min_blocks;
+ rl->rsv_blocks = pblk_get_min_chks(pblk);
/* This will always be a power-of-2 */
- rb_windows = budget / PBLK_MAX_REQ_ADDRS;
+ rb_windows = budget / NVM_MAX_VLBA;
rl->rb_windows_pw = get_count_order(rb_windows);
/* To start with, all buffer is available to user I/O writers */
rl->rb_budget = budget;
rl->rb_user_max = budget;
- rl->rb_max_io = budget >> 1;
rl->rb_gc_max = 0;
rl->rb_state = PBLK_RL_HIGH;
+ /* Maximize I/O size and ansure that back threshold is respected */
+ if (threshold)
+ rl->rb_max_io = budget - pblk->min_write_pgs_data - threshold;
+ else
+ rl->rb_max_io = budget - pblk->min_write_pgs_data - 1;
+
atomic_set(&rl->rb_user_cnt, 0);
atomic_set(&rl->rb_gc_cnt, 0);
atomic_set(&rl->rb_space, -1);
--
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