Re: [GIT PULL] Ceph fixes for 5.1-rc7

From: Al Viro
Date: Fri Apr 26 2019 - 13:11:20 EST


On Fri, Apr 26, 2019 at 10:08:48AM -0700, Linus Torvalds wrote:
> On Fri, Apr 26, 2019 at 10:01 AM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
> >
> > What I don't understand is why would anyone want to mess with
> > name snapshots for dentry_path() lookalikes...
>
> Talking about dentry_path()... Shouldn't the ceph path walking code
> also check the mount_lock sequence to make sure the path is actually
> stable?
>
> Maybe it doesn't matter.

They want it relative to fs root - after all, server doesn't know or
care what's mounted where on client...