Merge tag 'block-6.9-20240315' of git://git.kernel.dk/linux
[linux-2.6-block.git] / include / uapi / linux / nsfs.h
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6f52b16c 1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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2#ifndef __LINUX_NSFS_H
3#define __LINUX_NSFS_H
4
5#include <linux/ioctl.h>
6
7#define NSIO 0xb7
8
9/* Returns a file descriptor that refers to an owning user namespace */
d95fa3c7 10#define NS_GET_USERNS _IO(NSIO, 0x1)
a7306ed8 11/* Returns a file descriptor that refers to a parent namespace */
d95fa3c7 12#define NS_GET_PARENT _IO(NSIO, 0x2)
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13/* Returns the type of namespace (CLONE_NEW* value) referred to by
14 file descriptor */
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15#define NS_GET_NSTYPE _IO(NSIO, 0x3)
16/* Get owner UID (in the caller's user namespace) for a user namespace */
17#define NS_GET_OWNER_UID _IO(NSIO, 0x4)
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18
19#endif /* __LINUX_NSFS_H */