From: Randy Dunlap <rdun...@infradead.org>

[ Upstream commit cb15d1e43db0a6341c1e26ac6a2c74e61b74f1aa ]

Fix build warnings in f2fs when CONFIG_PROC_FS is not enabled
by marking the unused functions as __maybe_unused.

../fs/f2fs/sysfs.c:519:12: warning: 'segment_info_seq_show' defined but not 
used [-Wunused-function]
../fs/f2fs/sysfs.c:546:12: warning: 'segment_bits_seq_show' defined but not 
used [-Wunused-function]
../fs/f2fs/sysfs.c:570:12: warning: 'iostat_info_seq_show' defined but not used 
[-Wunused-function]

Signed-off-by: Randy Dunlap <rdun...@infradead.org>
Cc: Jaegeuk Kim <jaeg...@kernel.org>
Cc: Chao Yu <yuch...@huawei.com>
Cc: linux-f2fs-de...@lists.sourceforge.net
Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
---
 fs/f2fs/sysfs.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index e2c258f717cd..93af9d7dfcdc 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -9,6 +9,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
+#include <linux/compiler.h>
 #include <linux/proc_fs.h>
 #include <linux/f2fs_fs.h>
 #include <linux/seq_file.h>
@@ -381,7 +382,8 @@ static struct kobject f2fs_feat = {
        .kset   = &f2fs_kset,
 };
 
-static int segment_info_seq_show(struct seq_file *seq, void *offset)
+static int __maybe_unused segment_info_seq_show(struct seq_file *seq,
+                                               void *offset)
 {
        struct super_block *sb = seq->private;
        struct f2fs_sb_info *sbi = F2FS_SB(sb);
@@ -408,7 +410,8 @@ static int segment_info_seq_show(struct seq_file *seq, void 
*offset)
        return 0;
 }
 
-static int segment_bits_seq_show(struct seq_file *seq, void *offset)
+static int __maybe_unused segment_bits_seq_show(struct seq_file *seq,
+                                               void *offset)
 {
        struct super_block *sb = seq->private;
        struct f2fs_sb_info *sbi = F2FS_SB(sb);
@@ -432,7 +435,8 @@ static int segment_bits_seq_show(struct seq_file *seq, void 
*offset)
        return 0;
 }
 
-static int iostat_info_seq_show(struct seq_file *seq, void *offset)
+static int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
+                                              void *offset)
 {
        struct super_block *sb = seq->private;
        struct f2fs_sb_info *sbi = F2FS_SB(sb);
-- 
2.17.1

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