[PATCH v2 01/13] Add new constants from Linux 6.12, 6.18 and 6.19 to bits/fcntl-linux.h

Florian Weimer fweimer@redhat.com
Fri Jul 3 19:26:26 GMT 2026


* Adhemerval Zanella Netto:

> On 03/07/26 15:00, Adhemerval Zanella Netto wrote:
>> 
>> 
>> On 03/07/26 14:50, Florian Weimer wrote:
>>> * Adhemerval Zanella:
>>>
>>>> Add the renameat2 flags AT_RENAME_NOREPLACE, AT_RENAME_EXCHANGE and
>>>> AT_RENAME_WHITEOUT (commit b4fef22c2fb97fa204f0c99c7c7f1c6b422ef0aa,
>>>> Linux 6.12), FD_NSFS_ROOT (commit e83f0b5d10dcf62833008327cb661c7d118bca85,
>>>> Linux 6.18), and F_GETDELEG and F_SETDELEG (commit
>>>> 1602bad16d7df82faca6d7c70821117684a66f49, Linux 6.19).
>>>> ---
>>>>  sysdeps/unix/sysv/linux/bits/fcntl-linux.h | 8 ++++++++
>>>>  1 file changed, 8 insertions(+)
>>>>
>>>> diff --git a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
>>>> index 96176703274..c6e2981a179 100644
>>>> --- a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
>>>> +++ b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
>>>> @@ -209,6 +209,8 @@
>>>>  # define F_SET_RW_HINT	1036
>>>>  # define F_GET_FILE_RW_HINT	1037
>>>>  # define F_SET_FILE_RW_HINT	1038
>>>> +# define F_GETDELEG	1039	/* Get delegation.  */
>>>> +# define F_SETDELEG	1040	/* Set delegation.  */
>>>>  #endif
>>>>  #ifdef __USE_XOPEN2K8
>>>>  # define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
>>>> @@ -219,6 +221,7 @@
>>>>  #define FD_CLOEXEC	1	/* Actually anything with low bit set goes */
>>>>  #ifdef __USE_GNU
>>>>  # define FD_PIDFS_ROOT	-10002	/* Root of the pidfs filesystem */
>>>> +# define FD_NSFS_ROOT	-10003	/* Root of the nsfs filesystem */
>>>>  #endif
>>>
>>> Okay.
>>>
>>>>  #ifndef F_RDLCK
>>>> @@ -387,6 +390,11 @@ struct file_handle
>>>>  /* Flags for execveat2(2). */
>>>>  # define AT_EXECVE_CHECK 0x10000 /* Only perform a check if execution
>>>>  				    would be allowed */
>>>> +
>>>> +/* Flags for renameat2(2) (must match legacy RENAME_* flags).  */
>>>> +# define AT_RENAME_NOREPLACE	0x0001 /* Don't overwrite target.  */
>>>> +# define AT_RENAME_EXCHANGE	0x0002 /* Exchange source and dest.  */
>>>> +# define AT_RENAME_WHITEOUT	0x0004 /* Whiteout source.  */
>>>>  #endif
>>>
>>> Duplication vs. libio/stdio.h?
>> Sigh, forgot that we have already added them.  I need to update my scripts.
>> I will remove them.
>
> Are you ok with this removed or should I send a new version?

With the removal:

Reviewed-by: Florian Weimer <fweimer@redhat.com>

Thanks,
Florian



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