There were a number of updates to protocol version 4, take account of
that when setting the super block info sub version field.
Signed-off-by: Ian Kent <raven@xxxxxxxxxx>
---
fs/autofs/inode.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c
index 3f2dfed428f9..53c0df354206 100644
--- a/fs/autofs/inode.c
+++ b/fs/autofs/inode.c
@@ -279,7 +279,17 @@ static int autofs_validate_protocol(struct fs_context *fc)
sbi->version = AUTOFS_MAX_PROTO_VERSION;
else
sbi->version = sbi->max_proto;
- sbi->sub_version = AUTOFS_PROTO_SUBVERSION;
+
+ switch (sbi->version) {
+ case 4:
+ sbi->sub_version = 7;
+ break;
+ case 5:
+ sbi->sub_version = AUTOFS_PROTO_SUBVERSION;
+ break;
+ default:
+ sbi->sub_version = 0;
+ }
return 0;
}
--
2.41.0
