On Sat, Dec 31, 2022 at 07:58:09AM +0900, Yun Levi wrote: > /** > * NOT directory bind, file bind. > */ > 1. mount --bind {original file} {bind file} > > // original's inode->i_count = 1, inode->i_nlink =0, and ext4_inode > becomes orphaned, > // inode->i_no which managed by ext4 is freed and become reusable. > 2. rm -f {original file} ext4 doesn't free the inode number while the inode is still on the orphan list. So your claim "inode->i_no which managed by ext4 is freed and become reusable" is wrong. - Eric