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f2fs: fix defined but not used build warnings 

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 <rdunlap@infradead.org>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Chao Yu <yuchao0@huawei.com>
Cc: linux-f2fs-devel@lists.sourceforge.net
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Randy Dunlap 2018-07-06 20:50:57 -07:00 committed by Jaegeuk Kim
parent a39e536583
commit cb15d1e43d
1 changed files with 7 additions and 3 deletions
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10
fs/f2fs/sysfs.c
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@ -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>
@ -518,7 +519,8 @@ 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);
@ -545,7 +547,8 @@ 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);
@ -569,7 +572,8 @@ 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);