commit 84cc758d6b19ae8a92389306fe3510e58a08d90c
author Kent Overstreet <kent.overstreet@gmail.com> Sun Mar 21 16:03:23 2021 -0400
committer Kent Overstreet <kent.overstreet@linux.dev> Sun Oct 22 17:08:56 2023 -0400
tree ea89ae207a21ab7bfba24a28b88c3722e2b8dea3
parent d361a26d02b97e3f3c0e1563b62a5f7c32ef2f04

bcachefs: Validate bset version field against sb version fields

The superblock version fields need to be accurate to know whether a
filesystem is supported, thus we should be verifying them.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/bcachefs.h

diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index 9f4e7a3..51aefec 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -592,6 +592,7 @@ struct bch_fs {
 		__uuid_t	user_uuid;
 
 		u16		version;
+		u16		version_min;
 		u16		encoded_extent_max;
 
 		u8		nr_devices;