Re: [PATCH 5/5] Change vfs_mkdir() to unlock on failure.

[Al Viro]

On Mon, Jun 09, 2025 at 03:22:00PM +1000, NeilBrown wrote:
> On Mon, 09 Jun 2025, Al Viro wrote:
> > On Mon, Jun 09, 2025 at 09:09:37AM +1000, NeilBrown wrote:
> > > Proposed changes to directory-op locking will lock the dentry rather
> > > than the whole directory.  So the dentry will need to be unlocked.
> > 
> > Please, repost your current proposal _before_ that one goes anywhere.
> > 
> 
> I've posted my proposal for the new API.  This makes the value of the
> vfs_mkdir() change clear (I hope).
> 
> Would you also like me to post the patches which introduce the new
> locking scheme?

Yes, seeing that the rest does not make much sense without that.

I would really like a description of that locking scheme as well,
TBH, but if you prefer to start with the patches, then so be it.

I can't promise a response tonight - going down in an hour or so
and I'd like to do enough reordering of #work.mount to be able
to post the initial variant of at least some of that in the
morning...