diff mbox series

[v2,13/15] linux: Add open_tree

Message ID 20220207174431.360355-14-adhemerval.zanella@linaro.org
State Superseded
Headers
Series linux: Add new syscalls |

Checks

Context Check Description
dj/TryBot-apply_patch success Patch applied to master at the time it was sent

Commit Message

Adhemerval Zanella Netto Feb. 7, 2022, 5:44 p.m. UTC 
  It was added on Linux 5.2 (a07b20004793d8926f78d63eb5980559f7813404)
to return a O_PATH-opened file descriptor to an existing mountpoint.
---
 NEWS                                                     | 4 ++--
 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 +
 .../unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist   | 1 +
 .../unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist | 1 +
 .../unix/sysv/linux/powerpc/powerpc64/be/libc.abilist    | 1 +
 .../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, 48 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/NEWS b/NEWS
index 38dd707a53..e783b6c5b1 100644
--- a/NEWS
+++ b/NEWS
@@ -19,8 +19,8 @@  Major new features:
 * On Linux, the process_mrelease has been added.  It allows release the
   memory of a dying process from the context of the caller.
 
-* On Linux, the fsopen, fsmount, move_mount, fsconfig, and fspick have
-  been added.  It is a new mount API to allow more flexibility on mount
+* On Linux, the fsopen, fsmount, move_mount, fsconfig, fspick, and open_tree
+  have been added.  It is a new mount API to allow more flexibility on mount
   operations, specially when used along namespaces.
 
 Deprecated and removed features, and other changes affecting compatibility:
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 84af5e51fc..eb6705a091 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 93b71cd2ce..c7d8a45b53 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:i:s:U	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 20ba36db14..aa46b83ff0 100755
--- a/sysdeps/unix/sysv/linux/tst-mount-consts.py
+++ b/sysdeps/unix/sysv/linux/tst-mount-consts.py
@@ -53,7 +53,8 @@  def main():
         # MOUNT_ATTR_SIZE_VER0 is used for mount_setattr.
         check('MOUNT_ATTR_.*', 'MOUNT_ATTR_SIZE_VER0'),
         # 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