linux-kernel - [PATCH 1/3] f2fs: avoid unused f2fs_show_compress

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Message-ID: <20210220093843.64379-1-yuchao0@huawei.com>
Date:   Sat, 20 Feb 2021 17:38:41 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     <jaegeuk@...nel.org>
CC:     <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>, <chao@...nel.org>,
        Chao Yu <yuchao0@...wei.com>, kernel test robot <lkp@...el.com>
Subject: [PATCH 1/3] f2fs: avoid unused f2fs_show_compress_options()

LKP reports:

   fs/f2fs/super.c:1516:20: warning: unused function 'f2fs_show_compress_options' [-Wunused-function]
   static inline void f2fs_show_compress_options(struct seq_file *seq,

Fix this issue by covering f2fs_show_compress_options() with
CONFIG_F2FS_FS_COMPRESSION macro.

Fixes: 4c8ff7095bef ("f2fs: support data compression")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
 fs/f2fs/super.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 78d9e54bc4f7..042925c6c2cb 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1620,6 +1620,7 @@ static inline void f2fs_show_quota_options(struct seq_file *seq,
 #endif
 }
 
+#ifdef CONFIG_F2FS_FS_COMPRESSION
 static inline void f2fs_show_compress_options(struct seq_file *seq,
 							struct super_block *sb)
 {
@@ -1665,6 +1666,7 @@ static inline void f2fs_show_compress_options(struct seq_file *seq,
 	else if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_USER)
 		seq_printf(seq, ",compress_mode=%s", "user");
 }
+#endif
 
 static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
 {
-- 
2.29.2