From: yohan.joung <yohan.joung@sk.com>
Date: Wed, 25 Jun 2025 00:14:07 +0000 (+0900)
Subject: f2fs: fix to check upper boundary for value of gc_boost_zoned_gc_percent
X-Git-Tag: io_uring-6.17-20250815~47^2~96
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=10dcaa56ef93f2a45e4c3fec27d8e1594edad110;p=linux-block.git

f2fs: fix to check upper boundary for value of gc_boost_zoned_gc_percent

to check the upper boundary when setting gc_boost_zoned_gc_percent

Fixes: 9a481a1c16f4 ("f2fs: create gc_no_zoned_gc_percent and gc_boost_zoned_gc_percent")
Signed-off-by: yohan.joung <yohan.joung@sk.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 51be7ffb38c5..2b5c35ce7b8c 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -628,6 +628,13 @@ out:
 		return count;
 	}
 
+	if (!strcmp(a->attr.name, "gc_boost_zoned_gc_percent")) {
+		if (t > 100)
+			return -EINVAL;
+		*ui = (unsigned int)t;
+		return count;
+	}
+
 #ifdef CONFIG_F2FS_IOSTAT
 	if (!strcmp(a->attr.name, "iostat_enable")) {
 		sbi->iostat_enable = !!t;