bcachefs: fix setting version_upgrade_complete

If a superblock write hasn't happened (i.e. we never had to go rw), then
c->sb.version will be out of date w.r.t. c->disk_sb.sb->version.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-12-29 17:18:56 -05:00
commit f87bf892ea