> +static struct inode *nsfd_mkinode(void)
> +{
> + struct inode *inode;
> + inode = new_inode(nsfd_mnt->mnt_sb);
> + if (!inode)
> + return ERR_PTR(-ENOMEM);
> +
> + inode->i_fop = &nsfd_file_operations;
> +
> + /*
> + * Mark the inode dirty from the very beginning,
> + * that way it will never be moved to the dirty
> + * list because mark_inode_dirty() will think that
> + * it already _is_ on the dirty list.
> + */
> + inode->i_state = I_DIRTY;
> + inode->i_mode = S_IRUSR | S_IWUSR;
> + inode->i_uid = current_fsuid();
> + inode->i_gid = current_fsgid();
> + inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
> + return inode;
> +}
Why not use anon inodes?
> diff --git a/include/linux/nstype.h b/include/linux/nstype.h
> new file mode 100644
> index 0000000..3bdf856
> --- /dev/null
> +++ b/include/linux/nstype.h
> @@ -0,0 +1,6 @@
> +#ifndef _LINUX_NSTYPE_H
> +#define _LINUX_NSTYPE_H
> +
> +#define NSTYPE_NET 0
> +
> +#endif /* _LINUX_NSTYPE_H */
Yet another set of per-namespace IDs along with CLONE_NEWXXX ones?
I currently have a way to create all namespaces we have with one
syscall. Why don't we have an ability to enter them all with one syscall?
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