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* [glibc] linux: Add open_tree
@ 2022-07-05 13:13 Adhemerval Zanella
0 siblings, 0 replies; only message in thread
From: Adhemerval Zanella @ 2022-07-05 13:13 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=78a408ee7ba041fc8d5dbd5f67065b4a982c11e5
commit 78a408ee7ba041fc8d5dbd5f67065b4a982c11e5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Jun 24 16:59:17 2022 -0300
linux: Add open_tree
It was added on Linux 5.2 (a07b20004793d8926f78d63eb5980559f7813404)
to return a O_PATH-opened file descriptor to an existing mountpoint.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diff:
---
NEWS | 10 +++++-----
sysdeps/unix/sysv/linux/Versions | 1 +
sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 +
sysdeps/unix/sysv/linux/arc/libc.abilist | 1 +
sysdeps/unix/sysv/linux/arm/be/libc.abilist | 1 +
sysdeps/unix/sysv/linux/arm/le/libc.abilist | 1 +
sysdeps/unix/sysv/linux/csky/libc.abilist | 1 +
sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 +
sysdeps/unix/sysv/linux/i386/libc.abilist | 1 +
sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist | 1 +
sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 1 +
sysdeps/unix/sysv/linux/microblaze/be/libc.abilist | 1 +
sysdeps/unix/sysv/linux/microblaze/le/libc.abilist | 1 +
sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist | 1 +
sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist | 1 +
sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist | 1 +
sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 +
sysdeps/unix/sysv/linux/or1k/libc.abilist | 1 +
sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist | 1 +
sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist | 1 +
sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist | 1 +
sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist | 1 +
sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist | 1 +
sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist | 1 +
sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sh/be/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sh/le/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sys/mount.h | 9 +++++++++
sysdeps/unix/sysv/linux/syscalls.list | 1 +
sysdeps/unix/sysv/linux/tst-mount-consts.py | 3 ++-
sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 1 +
38 files changed, 51 insertions(+), 6 deletions(-)
diff --git a/NEWS b/NEWS
index 8312307cc7..3d14c659cc 100644
--- a/NEWS
+++ b/NEWS
@@ -41,11 +41,11 @@ Major new features:
have adverse impact. It is incompatible with EDNS0 usage and DNSSEC
validation by applications.
-* On Linux, the fsopen, fsmount, move_mount, fsconfig, and fspick functions
- have been added. They are part of the new Linux kernel mount APIs that
- allow applications to more flexibly configure and operate on filesystem
- mounts. The new mount APIs are specifically designed to work with
- namespaces.
+* On Linux, the fsopen, fsmount, move_mount, fsconfig, fspick, and open_tree
+ functions have been added. They are part of the new Linux kernel mount
+ APIs that allow applications to more flexibly configure and operate on
+ filesystem mounts. The new mount APIs are specifically designed to work
+ with namespaces.
* localedef now accepts locale definition files encoded in UTF-8.
Previously, input bytes not within the ASCII range resulted in
diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index 7bc5861513..b70530ef40 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -305,6 +305,7 @@ libc {
fsopen;
fspick;
move_mount;
+ open_tree;
pidfd_open;
pidfd_getfd;
pidfd_send_signal;
diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
index 4eaffedf7f..2a666d8135 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
@@ -2621,6 +2621,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist
index 6acce2a762..41bd7c1959 100644
--- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
@@ -2718,6 +2718,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist
index 9d254a3bc3..198fdab2f7 100644
--- a/sysdeps/unix/sysv/linux/arc/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
@@ -2382,6 +2382,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
index 95026bc448..6fd4e75df2 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
@@ -501,6 +501,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
index 096246378c..3ec572b50f 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
@@ -498,6 +498,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
index 166008f970..94f3deb3e5 100644
--- a/sysdeps/unix/sysv/linux/csky/libc.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
@@ -2657,6 +2657,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
index 155cc6ed96..a7deaf3e26 100644
--- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
@@ -2606,6 +2606,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
index 67f7e36556..5f1a1bc4d0 100644
--- a/sysdeps/unix/sysv/linux/i386/libc.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
@@ -2790,6 +2790,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist
index dbb75aa50f..1af8a55836 100644
--- a/sysdeps/unix/sysv/linux/ia64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist
@@ -2556,6 +2556,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
index 6d72cedf89..ad3a4b4008 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
@@ -502,6 +502,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
index 7899efa0e0..87e76f33a0 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
@@ -2733,6 +2733,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
index 162a85a8a8..73df42c7aa 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
@@ -2706,6 +2706,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
index a5e28ec2ae..5c2e936547 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
@@ -2703,6 +2703,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
index 33627f4b67..45919d27d6 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
@@ -2698,6 +2698,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
index 333547fc56..8321b0efac 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
@@ -2696,6 +2696,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
index a46a1aefe7..c7198646d2 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
@@ -2704,6 +2704,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
index b9b88321a7..8b3cca2a54 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
@@ -2607,6 +2607,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist
index 0f2293d6a1..2f1595bb35 100644
--- a/sysdeps/unix/sysv/linux/nios2/libc.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist
@@ -2745,6 +2745,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/or1k/libc.abilist b/sysdeps/unix/sysv/linux/or1k/libc.abilist
index 812c05804e..d1d4e12d12 100644
--- a/sysdeps/unix/sysv/linux/or1k/libc.abilist
+++ b/sysdeps/unix/sysv/linux/or1k/libc.abilist
@@ -2128,6 +2128,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
index 568e5ab91f..50c9fadaf0 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
@@ -2760,6 +2760,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
index bf5bab018d..8998a560cd 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
@@ -2793,6 +2793,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
index cffbb88886..bca46bdbe5 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
@@ -2515,6 +2515,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
index 8dac584380..97f6d96cd6 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
@@ -2817,6 +2817,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
index 431a9a30a1..f588745b28 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
@@ -2384,6 +2384,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
index ec86269bf7..1acf8a4c54 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
@@ -2584,6 +2584,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
index fe437d8e61..7c8b410f1a 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
@@ -2758,6 +2758,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
index e802e8da7f..ba9317ee01 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
@@ -2552,6 +2552,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
index c0a7196f5a..75fa8834f1 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
@@ -2613,6 +2613,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
index 45589bac28..4a4f8ff33f 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
@@ -2610,6 +2610,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
index 9b84bc0143..d26671dba8 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
@@ -2753,6 +2753,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
index 362a22903a..16c2a98ab5 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
@@ -2579,6 +2579,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/sys/mount.h b/sysdeps/unix/sysv/linux/sys/mount.h
index e0880f75a5..534d05b3f5 100644
--- a/sysdeps/unix/sysv/linux/sys/mount.h
+++ b/sysdeps/unix/sysv/linux/sys/mount.h
@@ -21,6 +21,7 @@
#ifndef _SYS_MOUNT_H
#define _SYS_MOUNT_H 1
+#include <fcntl.h>
#include <features.h>
#include <sys/ioctl.h>
@@ -192,6 +193,10 @@ enum fsconfig_command
#define FSCONFIG_CMD_RECONFIGURE FSCONFIG_CMD_RECONFIGURE
};
+/* open_tree flags. */
+#define OPEN_TREE_CLONE 1 /* Clone the target tree and attach the clone */
+#define OPEN_TREE_CLOEXEC O_CLOEXEC /* Close the file on execve() */
+
__BEGIN_DECLS
@@ -231,6 +236,10 @@ extern int fsconfig (int __fd, unsigned int __cmd, const char *__key,
extern int fspick (int __dfd, const char *__path, unsigned int __flags)
__THROW;
+/* Open the mount point FILENAME in directory DFD using FLAGS. */
+extern int open_tree (int __dfd, const char *__filename, unsigned int __flags)
+ __THROW;
+
__END_DECLS
#endif /* _SYS_MOUNT_H */
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index 38ab457340..493e68b834 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -43,6 +43,7 @@ move_mount EXTRA move_mount i:isisU move_mount
munlock - munlock i:aU munlock
munlockall - munlockall i: munlockall
nfsservctl EXTRA nfsservctl i:ipp __compat_nfsservctl nfsservctl@GLIBC_2.0:GLIBC_2.28
+open_tree EXTRA open_tree i:isU open_tree
pipe2 - pipe2 i:fi __pipe2 pipe2
pidfd_open EXTRA pidfd_open i:iU pidfd_open
pidfd_getfd EXTRA pidfd_getfd i:iiU pidfd_getfd
diff --git a/sysdeps/unix/sysv/linux/tst-mount-consts.py b/sysdeps/unix/sysv/linux/tst-mount-consts.py
index dd4d50f202..82ab18d963 100755
--- a/sysdeps/unix/sysv/linux/tst-mount-consts.py
+++ b/sysdeps/unix/sysv/linux/tst-mount-consts.py
@@ -55,7 +55,8 @@ def main():
check('FSOPEN_.*'),
check('FSMOUNT_.*'),
# MOVE_MOUNT__MASK may vary depending of the kernel version.
- check('MOVE_MOUNT_.*', 'MOVE_MOUNT__MASK'))
+ check('MOVE_MOUNT_.*', 'MOVE_MOUNT__MASK'),
+ check('OPEN_TREE_*'))
sys.exit(status)
if __name__ == '__main__':
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
index 93dab79cdc..bd7c4ef801 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
@@ -2530,6 +2530,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
index 24daa92e90..1c7f60b41a 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
@@ -2636,6 +2636,7 @@ GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 fspick F
GLIBC_2.36 move_mount F
+GLIBC_2.36 open_tree F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
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2022-07-05 13:13 [glibc] linux: Add open_tree Adhemerval Zanella
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