Re: [PATCH RFC 08/41] mqueue: use fc_init_pseudo()

[Alexander Mikhalitsyn <alex@xxxxxxxxxxxx>]

On Tue, 2026-11-10 at 10:14 +0100, Christian Brauner wrote:
> Initialize mqueue as a pseudo filesystem instead of raising
> SB_I_NOEXEC and SB_I_NODEV by hand. This adds SB_I_PSEUDO.
> 
> Signed-off-by: Christian Brauner (Amutable) <brauner@xxxxxxxxxx>

Reviewed-by: Alexander Mikhalitsyn <alex@xxxxxxxxxxxx>

> ---
>  ipc/mqueue.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/ipc/mqueue.c b/ipc/mqueue.c
> index 322c3dd98c44..8bbe32d0881f 100644
> --- a/ipc/mqueue.c
> +++ b/ipc/mqueue.c
> @@ -18,6 +18,7 @@
>  #include <linux/file.h>
>  #include <linux/mount.h>
>  #include <linux/fs_context.h>
> +#include <linux/pseudo_fs.h>
>  #include <linux/namei.h>
>  #include <linux/sysctl.h>
>  #include <linux/poll.h>
> @@ -405,7 +406,6 @@ static int mqueue_fill_super(struct super_block
> *sb, struct fs_context *fc)
>       struct inode *inode;
>       struct ipc_namespace *ns = sb->s_fs_info;
>  
> -     sb->s_iflags |= SB_I_NOEXEC | SB_I_NODEV;
>       sb->s_blocksize = PAGE_SIZE;
>       sb->s_blocksize_bits = PAGE_SHIFT;
>       sb->s_magic = MQUEUE_MAGIC;
> @@ -457,6 +457,7 @@ static int mqueue_init_fs_context(struct
> fs_context *fc)
>       put_user_ns(fc->user_ns);
>       fc->user_ns = get_user_ns(ctx->ipc_ns->user_ns);
>       fc->fs_private = ctx;
> +     fc_init_pseudo(fc);
>       fc->ops = &mqueue_fs_context_ops;
>       return 0;
>  }