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f2fs: surround fault_injection related option parsing using CONFIG_F2FS_FAULT_INJECTION 

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 <cgxu519@gmx.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chengguang Xu 2018-09-12 13:32:52 +08:00 committed by Jaegeuk Kim
parent c8e927579e
commit 4cb037ec3f
1 changed files with 13 additions and 10 deletions
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23
fs/f2fs/super.c
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@ -594,28 +594,31 @@ 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);
#else
f2fs_msg(sb, KERN_INFO,
"FAULT_INJECTION was not selected");
#endif
break;
#else
case Opt_fault_injection:
f2fs_msg(sb, KERN_INFO,
"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;