Re: [PATCH v17 11/13] open: introduce openat2(2) syscall

[PATCH v17 00/13] open: introduce openat2(2) syscall · Aleksa Sarai <hidden> · 2019-11-17
[PATCH v17 01/13] namei: only return -ECHILD from follow_dotdot_rcu() · Aleksa Sarai <hidden> · 2019-11-17
[PATCH v17 02/13] nsfs: clean-up ns_get_path() signature to return int · Aleksa Sarai <hidden> · 2019-11-17
[PATCH v17 03/13] namei: allow nd_jump_link() to produce errors · Aleksa Sarai <hidden> · 2019-11-17
[PATCH v17 04/13] namei: allow set_root() to produce errors · Aleksa Sarai <hidden> · 2019-11-17
[PATCH v17 05/13] namei: LOOKUP_NO_SYMLINKS: block symlink resolution · Aleksa Sarai <hidden> · 2019-11-17
[PATCH v17 06/13] namei: LOOKUP_NO_MAGICLINKS: block magic-link resolution · Aleksa Sarai <hidden> · 2019-11-17
[PATCH v17 07/13] namei: LOOKUP_NO_XDEV: block mountpoint crossing · Aleksa Sarai <hidden> · 2019-11-17
[PATCH v17 08/13] namei: LOOKUP_BENEATH: O_BENEATH-like scoped resolution · Aleksa Sarai <hidden> · 2019-11-17
Re: [PATCH v17 08/13] namei: LOOKUP_BENEATH: O_BENEATH-like scoped resolution · Al Viro <viro@zeniv.linux.org.uk> · 2019-11-25
Re: [PATCH v17 08/13] namei: LOOKUP_BENEATH: O_BENEATH-like scoped resolution · Aleksa Sarai <hidden> · 2019-11-25
[PATCH v17 09/13] namei: LOOKUP_IN_ROOT: chroot-like scoped resolution · Aleksa Sarai <hidden> · 2019-11-17
[PATCH v17 10/13] namei: LOOKUP_{IN_ROOT,BENEATH}: permit limited ".." resolution · Aleksa Sarai <hidden> · 2019-11-17
Re: [PATCH v17 10/13] namei: LOOKUP_{IN_ROOT,BENEATH}: permit limited ".." resolution · Al Viro <viro@zeniv.linux.org.uk> · 2019-11-25
Re: [PATCH v17 10/13] namei: LOOKUP_{IN_ROOT,BENEATH}: permit limited ".." resolution · Aleksa Sarai <hidden> · 2019-11-25
Re: [PATCH v17 10/13] namei: LOOKUP_{IN_ROOT,BENEATH}: permit limited ".." resolution · Aleksa Sarai <hidden> · 2019-11-28
[PATCH v17 11/13] open: introduce openat2(2) syscall · Aleksa Sarai <hidden> · 2019-11-17
Re: [PATCH v17 11/13] open: introduce openat2(2) syscall · Al Viro <viro@zeniv.linux.org.uk> · 2019-11-25
[PATCH v17 12/13] selftests: add openat2(2) selftests · Aleksa Sarai <hidden> · 2019-11-17
[PATCH v17 13/13] Documentation: path-lookup: include new LOOKUP flags · Aleksa Sarai <hidden> · 2019-11-17
Re: [PATCH v17 00/13] open: introduce openat2(2) syscall · Al Viro <viro@zeniv.linux.org.uk> · 2019-11-25

From: Al Viro <viro@zeniv.linux.org.uk>
Date: 2019-11-25 00:39:47
Also in: linux-alpha, linux-api, linux-arch

On Sun, Nov 17, 2019 at 12:17:11PM +1100, Aleksa Sarai wrote:

+/* how->upgrade flags for openat2(2). */
+/* First bit is reserved for a future UPGRADE_NOEXEC flag. */
+#define UPGRADE_NOREAD		0x02 /* Block re-opening with MAY_READ. */
+#define UPGRADE_NOWRITE		0x04 /* Block re-opening with MAY_WRITE. */

I'd drop that chunk, for the lack of ->upgrade...

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