Re: [PATCH v4] Btrfs: fix deadlock on tree root leaf when finding free extent

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On Mon, Nov 5, 2018 at 4:29 PM David Sterba <dsterba@xxxxxxx> wrote:
>
> On Wed, Oct 24, 2018 at 01:48:40PM +0100, Filipe Manana wrote:
> > > Ah ok makes sense.  Well in that case lets just make btrfs_read_locked_inode()
> > > take a path, and allocate it in btrfs_iget, that'll remove the ugly
> > >
> > > if (path != in_path)
> >
> > You mean the following on top of v4:
> >
> > https://friendpaste.com/6XrGXb5p0RSJGixUFYouHg
> >
> > Not much different, just saves one such if statement. I'm ok with that.
>
> Now in misc-next with v4 and the friendpaste incremental as
>
> https://github.com/kdave/btrfs-devel/commit/efcfd6c87d28b3aa9bcba52d7c1e1fc79a2dad69

Please don't add the incremental. It's buggy. It was meant to figure
out what Josef was saying. That's why I haven't sent a V5.



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