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Subject: Re: [PATCH v2 5/7] fuse: Call vfs_get_tree() for submounts
To:     Greg Kurz <groug@kaod.org>, Miklos Szeredi <miklos@szeredi.hu>
Cc:     linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        virtio-fs@redhat.com, Vivek Goyal <vgoyal@redhat.com>
References: <20210604161156.408496-1-groug@kaod.org>
 <20210604161156.408496-6-groug@kaod.org>
From:   Max Reitz <mreitz@redhat.com>
Message-ID: <f4161490-f7ed-78f0-bf05-96040cbb31e9@redhat.com>
Date:   Tue, 8 Jun 2021 17:40:37 +0200
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On 04.06.21 18:11, Greg Kurz wrote:
> We recently fixed an infinite loop by setting the SB_BORN flag on
> submounts along with the write barrier needed by super_cache_count().
> This is the job of vfs_get_tree() and FUSE shouldn't have to care
> about the barrier at all.
>
> Split out some code from fuse_dentry_automount() to the dedicated
> fuse_get_tree_submount() handler for submounts and call vfs_get_tree().
>
> Signed-off-by: Greg Kurz <groug@kaod.org>
> ---
>   fs/fuse/dir.c   | 53 +++++--------------------------------------------
>   fs/fuse/inode.c | 36 +++++++++++++++++++++++++++++++++
>   2 files changed, 41 insertions(+), 48 deletions(-)

Reviewed-by: Max Reitz <mreitz@redhat.com>