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 --git a/NEWS b/NEWS
index 8312307cc7b02ba82f7feb88799f27d164f02d2d..3d14c659cccb8b774ce2bb9cf22c164c657ca4a0 100644 (file)
--- 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 7bc586151379723a132afbe5b92551db76cb5d49..b70530ef40c8a64ec230910331cb80efe2c1dd88 100644 (file)
--- 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 4eaffedf7f0fa2f48e2a0cafd74278e5cbc9511e..2a666d81359196d2f7ec791d622a2cb6326308ef 100644 (file)
--- 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 6acce2a762a7a68d23688c1ae8aae06e4bcce89e..41bd7c19596b0de8ed7e7c83427009076739a04e 100644 (file)
--- 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 9d254a3bc3cd3daaa2f69ef437dcc91c48ee7efc..198fdab2f79cc075b629262ff70e5fbab21eae66 100644 (file)
--- 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 95026bc4484ef1179c9dfb4a4db03f1ba78ac396..6fd4e75df2de8a01746f343ebb30f8f573a8b34d 100644 (file)
--- 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 096246378cc015916411bcfce482281da1475b6c..3ec572b50f7cd9f6aa02b9d92d3c86dfd82fde13 100644 (file)
--- 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 166008f970722a692c059d64ca7c12e6f6b68033..94f3deb3e5bedc9e2ac40252daf2c3e6c0f68681 100644 (file)
--- 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 155cc6ed961d3df00f03c5c505f01eb11f0dbaa9..a7deaf3e2642a2381ad64fc657a6c62cbed35d8f 100644 (file)
--- 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 67f7e36556b0282bf16ccb1420f5bc7cd186db83..5f1a1bc4d0a29ee3858ed3f3176c70190927bfb9 100644 (file)
--- 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 dbb75aa50f91b13f55da485c94ae21c5b4df032b..1af8a55836882bb5ef8fd118a2e9f1de0e6ced46 100644 (file)
--- 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 6d72cedf895346f5564340e82b2e6957e8f40630..ad3a4b40085660d228fb31cb42de7bc6e101fa9f 100644 (file)
--- 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 7899efa0e0d81ecb4647ee4504acce6fbf304f21..87e76f33a020022bbd31e358b7d444634ca10b3e 100644 (file)
--- 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 162a85a8a8e8a64c2744d9372a00343c351bc184..73df42c7aa9f0be22e7ef5a47284e435c5abc512 100644 (file)
--- 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 a5e28ec2aeec57620660ba8953090a45e537915f..5c2e9365471de9af9031af48ebf72e13013e583a 100644 (file)
--- 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 33627f4b67f4bde518e6c87c0d156babd2422c3e..45919d27d6ca98c73bc3d73fc2b0c894b83d731b 100644 (file)
--- 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 333547fc567b62f25129607493cd55ee450c5d53..8321b0efac6110bfd65aaf83d749bac353c6726c 100644 (file)
--- 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 a46a1aefe7393c4c8c40c334c89e78244143c4fb..c7198646d24a6908b405caac7ffdc5fef5a2f651 100644 (file)
--- 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 b9b88321a799e46019e36d6b7d47ffeb0f63477d..8b3cca2a5474424736fe3e22bccef97711c8c6f7 100644 (file)
--- 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 0f2293d6a10e9bf62de7b2347e5669b9a1e77562..2f1595bb3550e6a956db374792fe39ee03177214 100644 (file)
--- 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 812c05804e73f012b00a162d93a1e76208be6416..d1d4e12d123823ec27722b082cd736b6a8e5474a 100644 (file)
--- 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 568e5ab91f58c1795a4d8a239c9fbe28ccc4e35d..50c9fadaf0bb0ce836dfbc56f5263a483f841235 100644 (file)
--- 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 bf5bab018d92102b0e7ce2544442d8c35e5c6fab..8998a560cd89f0123df2562f54d7ae995aa62b2a 100644 (file)
--- 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 cffbb888865c823d3f794a97e870c74cf2a5a5b1..bca46bdbe536517e89046d29536691939589c788 100644 (file)
--- 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 8dac584380aca131e258ba7157ce7e497ff409d8..97f6d96cd6db12dcf73dcc3c7692a800d7b2928a 100644 (file)
--- 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 431a9a30a1e533ae26beb5a7933adb7d60ff105b..f588745b2868e6caabdc8725f0433ab90b848384 100644 (file)
--- 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 ec86269bf7e3ba1156eb1ba54fa26f645b217543..1acf8a4c5448b25c18e15654e5eba2faef917e65 100644 (file)
--- 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 fe437d8e612b3ce4f2718bcda7583c8400c61d4e..7c8b410f1a8dccf32be5e2b018097902217660a0 100644 (file)
--- 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 e802e8da7f6f83ef92f159b37e70f1d53536df5e..ba9317ee01b418c198a1d1fe7a3524f644e9fc63 100644 (file)
--- 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 c0a7196f5a1d7cf80fcea3d9ddfab988bfa119c6..75fa8834f1d9e5bbea4e2f1dc73d6d31278f4cd3 100644 (file)
--- 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 45589bac28a7539c2f9c0d58d983d239bc0185b5..4a4f8ff33f0d29671766f93bd5bd335b497f9bc5 100644 (file)
--- 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 9b84bc0143bad1273d4463db842fa0a8bbf8ff96..d26671dba8bdcf87e7abdd69405a628ef559a726 100644 (file)
--- 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 362a22903a76f2144bb9138ab749d285ff374f84..16c2a98ab544181e708336e385be1d9bc74da3c4 100644 (file)
--- 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 e0880f75a581c0401fa84b9762fe42674deda85a..534d05b3f54f7586f67ffe33d28210f8f8c32ef8 100644 (file)
--- 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 38ab457340357edfd8afdc6a2cbf8229b0544030..493e68b834c8ec3e5473808e02ad27c7eaa20b7f 100644 (file)
--- 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 dd4d50f202164c87643b242b020ff409a06b240b..82ab18d96345dd2185127341db58763032394fc8 100755 (executable)
--- 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 93dab79cdc8feded59cebe4bf67b2539e953b250..bd7c4ef801d8be1665b6a1b34453265e47260160 100644 (file)
--- 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 24daa92e9009b90fe9f61b96c77d2be5951a9a60..1c7f60b41af8dbf87a2c001fb6fe0e0412095744 100644 (file)
--- 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