Commits
Jiro SEKIBA committed d26493b6f01
nilfs2: introduce nilfs_prepare_super This function checks validity of super block pointers. If first super block is invalid, it will swap the super blocks. The function should be called before any super block information updates. Caller must obtain nilfs->ns_sem. Signed-off-by: Jiro SEKIBA <jir@unicus.jp> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>