diff mbox series

[v4,15/15] fs/fuse/virtio_fs: allow idmapped mounts

Message ID 20240903151626.264609-16-aleksandr.mikhalitsyn@canonical.com (mailing list archive)
State New
Headers show
Series fuse: basic support for idmapped mounts | expand

Commit Message

Alexander Mikhalitsyn Sept. 3, 2024, 3:16 p.m. UTC
Allow idmapped mounts for virtiofs.
It's absolutely safe as for virtiofs we have the same
feature negotiation mechanism as for classical fuse
filesystems. This does not affect any existing
setups anyhow.

virtiofsd support:
https://gitlab.com/virtio-fs/virtiofsd/-/merge_requests/245

Cc: Christian Brauner <brauner@kernel.org>
Cc: Seth Forshee <sforshee@kernel.org>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: German Maglione <gmaglione@redhat.com>
Cc: Amir Goldstein <amir73il@gmail.com>
Cc: Bernd Schubert <bschubert@ddn.com>
Cc: <linux-fsdevel@vger.kernel.org>
Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
---
v3:
	- this commit added
---
 fs/fuse/virtio_fs.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Stefan Hajnoczi Sept. 5, 2024, 7:45 p.m. UTC | #1
On Tue, Sep 03, 2024 at 05:16:26PM +0200, Alexander Mikhalitsyn wrote:
> Allow idmapped mounts for virtiofs.
> It's absolutely safe as for virtiofs we have the same
> feature negotiation mechanism as for classical fuse
> filesystems. This does not affect any existing
> setups anyhow.
> 
> virtiofsd support:
> https://gitlab.com/virtio-fs/virtiofsd/-/merge_requests/245
> 
> Cc: Christian Brauner <brauner@kernel.org>
> Cc: Seth Forshee <sforshee@kernel.org>
> Cc: Miklos Szeredi <miklos@szeredi.hu>
> Cc: Vivek Goyal <vgoyal@redhat.com>
> Cc: German Maglione <gmaglione@redhat.com>
> Cc: Amir Goldstein <amir73il@gmail.com>
> Cc: Bernd Schubert <bschubert@ddn.com>
> Cc: <linux-fsdevel@vger.kernel.org>
> Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
> Reviewed-by: Christian Brauner <brauner@kernel.org>
> ---
> v3:
> 	- this commit added
> ---
>  fs/fuse/virtio_fs.c | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
diff mbox series

Patch

diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index dd5260141615..7e5bbaef6f76 100644
--- a/fs/fuse/virtio_fs.c
+++ b/fs/fuse/virtio_fs.c
@@ -1628,6 +1628,7 @@  static struct file_system_type virtio_fs_type = {
 	.name		= "virtiofs",
 	.init_fs_context = virtio_fs_init_fs_context,
 	.kill_sb	= virtio_kill_sb,
+	.fs_flags	= FS_ALLOW_IDMAP,
 };
 
 static int virtio_fs_uevent(const struct kobject *kobj, struct kobj_uevent_env *env)