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staging: erofs: surround fault_injection ralted option parsing using CONFIG_EROFS_FAULT_INJECTION 

It's a little bit strange when fault_injection related
option fail with -EINVAL which was already disabled
from config, so surround all fault_injection related option
parsing code using CONFIG_EROFS_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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chengguang Xu 2018-09-11 07:51:54 +08:00 committed by Greg Kroah-Hartman
parent 7dd68b147d
commit 064ee3c0da
1 changed files with 6 additions and 4 deletions
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10
drivers/staging/erofs/super.c
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@ -237,16 +237,18 @@ static int parse_options(struct super_block *sb, char *options)
infoln("noacl options not supported");
break;
#endif
#ifdef CONFIG_EROFS_FAULT_INJECTION
case Opt_fault_injection:
if (args->from && match_int(args, &arg))
return -EINVAL;
#ifdef CONFIG_EROFS_FAULT_INJECTION
erofs_build_fault_attr(EROFS_SB(sb), arg);
set_opt(EROFS_SB(sb), FAULT_INJECTION);
#else
infoln("FAULT_INJECTION was not selected");
#endif
break;
#else
case Opt_fault_injection:
infoln("fault_injection options not supported");
break;
#endif
default:
errln("Unrecognized mount option \"%s\" "
"or missing value", p);