It's a little bit strange when fault_injection related
options fail with -EINVAL which were already disabled
from config, so surround all fault_injection related option
parsing code using CONFIG_F2FS_FAULT_INJECTION. Meanwhile,
slightly change warning message to keep consistency with
option POSIX_ACL and FS_XATTR.

Signed-off-by: Chengguang Xu <cgxu...@gmx.com>
Reviewed-by: Chao Yu <yuch...@huawei.com>
---
v1->v2:
- modify warning message
v2->v3:
- fix typo in title

 fs/f2fs/super.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 896b885f504e..ea6952c62e9f 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -602,28 +602,31 @@ static int parse_options(struct super_block *sb, char 
*options)
                        }
                        F2FS_OPTION(sbi).write_io_size_bits = arg;
                        break;
+#ifdef CONFIG_F2FS_FAULT_INJECTION
                case Opt_fault_injection:
                        if (args->from && match_int(args, &arg))
                                return -EINVAL;
-#ifdef CONFIG_F2FS_FAULT_INJECTION
                        f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE);
                        set_opt(sbi, FAULT_INJECTION);
-#else
-                       f2fs_msg(sb, KERN_INFO,
-                               "FAULT_INJECTION was not selected");
-#endif
                        break;
+
                case Opt_fault_type:
                        if (args->from && match_int(args, &arg))
                                return -EINVAL;
-#ifdef CONFIG_F2FS_FAULT_INJECTION
                        f2fs_build_fault_attr(sbi, 0, arg);
                        set_opt(sbi, FAULT_INJECTION);
+                       break;
 #else
+               case Opt_fault_injection:
                        f2fs_msg(sb, KERN_INFO,
-                               "FAULT_INJECTION was not selected");
-#endif
+                               "fault_injection options not supported");
                        break;
+
+               case Opt_fault_type:
+                       f2fs_msg(sb, KERN_INFO,
+                               "fault_type options not supported");
+                       break;
+#endif
                case Opt_lazytime:
                        sb->s_flags |= SB_LAZYTIME;
                        break;
-- 
2.17.1



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