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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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#ifndef _LINUX_FCNTL_H

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#define _LINUX_FCNTL_H

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#include <asm/fcntl.h>

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#include <linux/openat2.h>

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#define F_SETLEASE (F_LINUX_SPECIFIC_BASE + 0)

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#define F_GETLEASE (F_LINUX_SPECIFIC_BASE + 1)

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* Cancel a blocking posix lock; internal use only until we expose an

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* asynchronous lock api to userspace:

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#define F_CANCELLK (F_LINUX_SPECIFIC_BASE + 5)

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/* Create a file descriptor with FD_CLOEXEC set. */

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#define F_DUPFD_CLOEXEC (F_LINUX_SPECIFIC_BASE + 6)

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* Request nofications on a directory.

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* See below for events that may be notified.

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#define F_NOTIFY (F_LINUX_SPECIFIC_BASE+2)

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* Set and get of pipe page size array

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#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)

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#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)

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* Set/Get seals

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#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)

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#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)

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* Types of seals

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#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */

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#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */

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#define F_SEAL_GROW 0x0004 /* prevent file from growing */

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#define F_SEAL_WRITE 0x0008 /* prevent writes */

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/* (1U << 31) is reserved for signed error codes */

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* Set/Get write life time hints. {GET,SET}_RW_HINT operate on the

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* underlying inode, while {GET,SET}_FILE_RW_HINT operate only on

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* the specific file.

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#define F_GET_RW_HINT (F_LINUX_SPECIFIC_BASE + 11)

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#define F_SET_RW_HINT (F_LINUX_SPECIFIC_BASE + 12)

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#define F_GET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 13)

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#define F_SET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 14)

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* Valid hint values for F_{GET,SET}_RW_HINT. 0 is "not set", or can be

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* used to clear any hints previously set.

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#define RWH_WRITE_LIFE_NOT_SET 0

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#define RWH_WRITE_LIFE_NONE 1

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#define RWH_WRITE_LIFE_SHORT 2

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#define RWH_WRITE_LIFE_MEDIUM 3

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#define RWH_WRITE_LIFE_LONG 4

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#define RWH_WRITE_LIFE_EXTREME 5

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* The originally introduced spelling is remained from the first

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* versions of the patch set that introduced the feature, see commit

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* v4.13-rc1~212^2~51.

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#define RWF_WRITE_LIFE_NOT_SET RWH_WRITE_LIFE_NOT_SET

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* Types of directory notifications that may be requested.

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#define DN_ACCESS 0x00000001 /* File accessed */

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#define DN_MODIFY 0x00000002 /* File modified */

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#define DN_CREATE 0x00000004 /* File created */

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#define DN_DELETE 0x00000008 /* File removed */

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#define DN_RENAME 0x00000010 /* File renamed */

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#define DN_ATTRIB 0x00000020 /* File changed attibutes */

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#define DN_MULTISHOT 0x80000000 /* Don't remove notifier */

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* The constants AT_REMOVEDIR and AT_EACCESS have the same value. AT_EACCESS is

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* meaningful only to faccessat, while AT_REMOVEDIR is meaningful only to

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* unlinkat. The two functions do completely different things and therefore,

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* the flags can be allowed to overlap. For example, passing AT_REMOVEDIR to

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* faccessat would be undefined behavior and thus treating it equivalent to

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* AT_EACCESS is valid undefined behavior.

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#define AT_FDCWD -100 /* Special value used to indicate

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openat should use the current

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working directory. */

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#define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */

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#define AT_EACCESS 0x200 /* Test access permitted for

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effective IDs, not real IDs. */

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#define AT_REMOVEDIR 0x200 /* Remove directory instead of

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unlinking file. */

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#define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */

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#define AT_NO_AUTOMOUNT 0x800 /* Suppress terminal automount traversal */

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#define AT_EMPTY_PATH 0x1000 /* Allow empty relative pathname */

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#define AT_STATX_SYNC_TYPE 0x6000 /* Type of synchronisation required from statx() */

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#define AT_STATX_SYNC_AS_STAT 0x0000 /* - Do whatever stat() does */

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#define AT_STATX_FORCE_SYNC 0x2000 /* - Force the attributes to be sync'd with the server */

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#define AT_STATX_DONT_SYNC 0x4000 /* - Don't sync attributes with the server */

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#define AT_RECURSIVE 0x8000 /* Apply to the entire subtree */

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#endif /* _LINUX_FCNTL_H */

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