From ec44ef84f81e229155b45134c0e5a7fb7d5796f8 Mon Sep 17 00:00:00 2001
From: gueFDF <3237455241@qq.com>
Date: Wed, 13 Sep 2023 16:29:07 +0800
Subject: [PATCH] add: patch for dcache parameter support

---
 add-dcache-parameter-support.patch | 49 ++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 add-dcache-parameter-support.patch

diff --git a/add-dcache-parameter-support.patch b/add-dcache-parameter-support.patch
new file mode 100644
index 0000000..ba5f578
--- /dev/null
+++ b/add-dcache-parameter-support.patch
@@ -0,0 +1,49 @@
+diff --git a/super.c b/super.c
+index 18f222c..aee7d47 100644
+--- a/super.c
++++ b/super.c
+@@ -21,6 +21,9 @@ enum {
+ 	OPT_NO_OFFLINE_STASH,
+ 	OPT_NO_DENTRY_CACHE,
+ 	OPT_USER_ID,
++	OPT_DCACHE_THRESHOLD,
++ 	OPT_DCACHE_PRECISION,
++	OPT_DCACHE_TIMEOUT,
+ 	OPT_ERR,
+ };
+ 
+@@ -33,6 +36,9 @@ static match_table_t hmdfs_tokens = {
+ 	{ OPT_NO_OFFLINE_STASH, "no_offline_stash" },
+ 	{ OPT_NO_DENTRY_CACHE, "no_dentry_cache" },
+ 	{ OPT_USER_ID, "user_id=%s"},
++	{OPT_DCACHE_THRESHOLD, "dcache_threshold=%d"},
++	{OPT_DCACHE_PRECISION, "dcache_precision=%d"},
++	{OPT_DCACHE_TIMEOUT, "dcache_timeout=%d"},
+ 	{ OPT_ERR, NULL },
+ };
+ 
+@@ -150,6 +156,24 @@ int hmdfs_parse_options(struct hmdfs_sb_info *sbi, const char *data)
+ 				sbi->user_id = user_id;
+ 			}
+ 			break;
++		case OPT_DCACHE_THRESHOLD:
++			err = match_int(&args[0], &decache);
++			if (err)
++				goto out;
++			sbi->dcache_threshold = decache;
++			break;
++		case OPT_DCACHE_PRECISION:
++			err = match_int(&args[0], &decache);
++			if (err)
++				goto out;
++			sbi->dcache_precision = decache;
++			break;
++		case OPT_DCACHE_TIMEOUT:
++			err = match_int(&args[0], &decache);
++			if (err)
++				goto out;
++			sbi->dcache_timeout = decache;
++			break;
+ 		default:
+ 			err = -EINVAL;
+ 			goto out;
-- 
Gitee