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[PATCH RFC 23/41] fuse: use fc_init_pseudo() for fusectl
- To: linux-fsdevel@xxxxxxxxxxxxxxx
- From: Christian Brauner <brauner@xxxxxxxxxx>
- Date: Tue, 10 Nov 2026 10:14:39 +0100
- Authentication-results: eu.smtp.expurgate.cloud; dkim=pass header.s=k20260515 header.d=kernel.org header.i="@kernel.org" header.h="From:Date:Subject:References:In-Reply-To:To:Cc"
- Cc: Jann Horn <jannh@xxxxxxxxxx>, Chris Mason <mason@xxxxxxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, target-devel@xxxxxxxxxxxxxxx, driver-core@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, bpf@xxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx, selinux@xxxxxxxxxxxxxxx, apparmor@xxxxxxxxxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, fuse-devel@xxxxxxxxxxxxxxx, linux-efi@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, ocfs2-devel@xxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-usb@xxxxxxxxxxxxxxx, Amir Goldstein <amir73il@xxxxxxxxx>, linux-erofs@xxxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, "Christian Brauner (Amutable)" <brauner@xxxxxxxxxx>
- Delivery-date: Tue, 10 Nov 2026 09:21:39 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Initialize fusectl as a pseudo filesystem. This raises SB_I_PSEUDO and
also SB_I_NOEXEC and SB_I_NODEV. fusectl never holds executables or
device nodes.
Signed-off-by: Christian Brauner (Amutable) <brauner@xxxxxxxxxx>
---
fs/fuse/control.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index 21ffde596d61..4497362e7df0 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -10,6 +10,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/fs_context.h>
+#include <linux/pseudo_fs.h>
#include <linux/namei.h>
#define FUSE_CTL_SUPER_MAGIC 0x65735543
@@ -334,6 +335,7 @@ static const struct fs_context_operations
fuse_ctl_context_ops = {
static int fuse_ctl_init_fs_context(struct fs_context *fsc)
{
+ fc_init_pseudo(fsc);
fsc->ops = &fuse_ctl_context_ops;
return 0;
}
--
2.53.0
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