Re: [PATCH v4] fs/namespace: defer RCU sync for MNT_DETACH umount

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On Wed, Apr 09, 2025 at 03:14:44PM +0200, Sebastian Andrzej Siewior wrote:
> On 2025-04-09 12:37:06 [+0200], Christian Brauner wrote:
> > I still hate this with a passion because it adds another special-sauce
> > path into the unlock path. I've folded the following diff into it so it
> > at least doesn't start passing that pointless boolean and doesn't
> > introduce __namespace_unlock(). Just use a global variable and pick the
> > value off of it just as we do with the lists. Testing this now:
> 
> I tried to apply this on top of the previous one but it all chunks
> failed.

See https://web.git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git/log/?h=vfs-6.16.mount




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