Re: [RFC PATCH] fs: introduce mkdirat2 syscall for atomic mkdir

[Miklos Szeredi <miklos@xxxxxxxxxx>]

On Mon, Mar 1, 2021 at 8:42 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:

> (as an aside, i think there's a missing feature in posix -- being able
> to atomically replace one directory with another.

RENAME_EXCHANGE.

Thanks,
Miklos