[PATCH v2 1/3] fs: ubifs: parse iversion mount option

[Oleksij Rempel]

From: Steffen Trumtrar <s.trumt...@pengutronix.de>

this option is needed to make UBIFS work with IMA.

Signed-off-by: Steffen Trumtrar <s.trumt...@pengutronix.de>
Signed-off-by: Oleksij Rempel <o.rem...@pengutronix.de>
---
 fs/ubifs/super.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index b73811bd7676..bff1e8d6f7bd 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -931,6 +931,7 @@ enum {
        Opt_chk_data_crc,
        Opt_no_chk_data_crc,
        Opt_override_compr,
+       Opt_i_version,
        Opt_err,
 };
 
@@ -942,6 +943,7 @@ static const match_table_t tokens = {
        {Opt_chk_data_crc, "chk_data_crc"},
        {Opt_no_chk_data_crc, "no_chk_data_crc"},
        {Opt_override_compr, "compr=%s"},
+       {Opt_i_version, "i_version"},
        {Opt_err, NULL},
 };
 
@@ -986,6 +988,7 @@ static int ubifs_parse_options(struct ubifs_info *c, char 
*options,
                return 0;
 
        while ((p = strsep(&options, ","))) {
+               struct super_block *sb = c->vfs_sb;
                int token;
 
                if (!*p)
@@ -1042,10 +1045,12 @@ static int ubifs_parse_options(struct ubifs_info *c, 
char *options,
                        c->default_compr = c->mount_opts.compr_type;
                        break;
                }
+               case Opt_i_version:
+                       sb->s_flags |= MS_I_VERSION;
+                       break;
                default:
                {
                        unsigned long flag;
-                       struct super_block *sb = c->vfs_sb;
 
                        flag = parse_standard_option(p);
                        if (!flag) {
-- 
2.11.0