From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org
Subject: [PATCH v2 10/15] linux: Add move_mount
Date: Mon, 7 Feb 2022 14:44:26 -0300 [thread overview]
Message-ID: <20220207174431.360355-11-adhemerval.zanella@linaro.org> (raw)
In-Reply-To: <20220207174431.360355-1-adhemerval.zanella@linaro.org>
It was added on Linux 5.2 (2db154b3ea8e14b04fee23e3fdfd5e9d17fbc6ae)
as way t move a mount from one place to another and, in the next
commit, allow to attach an unattached mount tree.
---
NEWS | 6 +++---
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 +
.../unix/sysv/linux/m68k/coldfire/libc.abilist | 1 +
.../unix/sysv/linux/m68k/m680x0/libc.abilist | 1 +
.../unix/sysv/linux/microblaze/be/libc.abilist | 1 +
.../unix/sysv/linux/microblaze/le/libc.abilist | 1 +
.../sysv/linux/mips/mips32/fpu/libc.abilist | 1 +
.../sysv/linux/mips/mips32/nofpu/libc.abilist | 1 +
.../sysv/linux/mips/mips64/n32/libc.abilist | 1 +
.../sysv/linux/mips/mips64/n64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 +
sysdeps/unix/sysv/linux/or1k/libc.abilist | 1 +
.../linux/powerpc/powerpc32/fpu/libc.abilist | 1 +
.../linux/powerpc/powerpc32/nofpu/libc.abilist | 1 +
.../linux/powerpc/powerpc64/be/libc.abilist | 1 +
.../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 +
.../unix/sysv/linux/s390/s390-32/libc.abilist | 1 +
.../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 +
.../unix/sysv/linux/sparc/sparc32/libc.abilist | 1 +
.../unix/sysv/linux/sparc/sparc64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sys/mount.h | 17 +++++++++++++++++
sysdeps/unix/sysv/linux/syscalls.list | 1 +
sysdeps/unix/sysv/linux/tst-mount-consts.py | 4 +++-
sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 1 +
38 files changed, 58 insertions(+), 4 deletions(-)
diff --git a/NEWS b/NEWS
index dbe8fd9a42..637640b33b 100644
--- a/NEWS
+++ b/NEWS
@@ -19,9 +19,9 @@ 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 and fsmound have been added. It is a new mount API
- to allow more flexibility on mount operations, specially when used along
- namespaces.
+* On Linux, the fsopen, fsmount, and move_mount 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 1d5b15aec4..26d552ba3b 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -302,6 +302,7 @@ libc {
GLIBC_2.36 {
fsmount;
fsopen;
+ move_mount;
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 bcad128067..8dba065b81 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
@@ -2618,6 +2618,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 1d88271a25..08f4750022 100644
--- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
@@ -2715,6 +2715,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 c4cc3c17f0..75db763023 100644
--- a/sysdeps/unix/sysv/linux/arc/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
@@ -2379,6 +2379,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 cfec9daf7a..fa33f317ac 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
@@ -498,6 +498,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 b77416d32f..dba2e4ce42 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
@@ -495,6 +495,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 76261943fb..e6ff921c29 100644
--- a/sysdeps/unix/sysv/linux/csky/libc.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
@@ -2654,6 +2654,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 29352b69ac..8a40cece83 100644
--- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
@@ -2603,6 +2603,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 9c465ec784..a89826049f 100644
--- a/sysdeps/unix/sysv/linux/i386/libc.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
@@ -2787,6 +2787,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 ad1268e61f..d1d96b7469 100644
--- a/sysdeps/unix/sysv/linux/ia64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist
@@ -2553,6 +2553,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 c63c140612..63a62f267a 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
@@ -499,6 +499,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 937ac25d40..f68325f9bc 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
@@ -2730,6 +2730,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 d144df6ace..247af2075c 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
@@ -2703,6 +2703,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 87ff6f261f..b0ac3f9009 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
@@ -2700,6 +2700,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 b0d2b88f14..b22cd6bf2f 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
@@ -2695,6 +2695,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 2ed23ce297..12fc2cce3e 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
@@ -2693,6 +2693,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 0048a23416..d3e96dfd43 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
@@ -2701,6 +2701,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 4b10b6bec2..cb58ed4db0 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
@@ -2604,6 +2604,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 8f905a8def..61ad58a599 100644
--- a/sysdeps/unix/sysv/linux/nios2/libc.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist
@@ -2742,6 +2742,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 60c2cdb6e2..1260dc4e2e 100644
--- a/sysdeps/unix/sysv/linux/or1k/libc.abilist
+++ b/sysdeps/unix/sysv/linux/or1k/libc.abilist
@@ -2125,6 +2125,7 @@ GLIBC_2.35 writev F
GLIBC_2.35 wscanf F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 ac5453d9c1..363939762c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
@@ -2757,6 +2757,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 772b6d2587..f512ad8baf 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
@@ -2790,6 +2790,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 bcf1ed9a1c..c9bdc9859c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
@@ -2512,6 +2512,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 cf4452775f..f091be30bd 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
@@ -2814,6 +2814,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 48aaada19d..7ea73f9af8 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
@@ -2381,6 +2381,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 e08ddc8627..333fa62714 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
@@ -2581,6 +2581,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 c315714ed8..a867467b12 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
@@ -2755,6 +2755,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 9d83b3cf7d..dbad5b3163 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
@@ -2549,6 +2549,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 8e10946936..6f755cc173 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
@@ -2610,6 +2610,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 6b4d8047c9..77d936aa3c 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
@@ -2607,6 +2607,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 d222061590..09bb4363e1 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
@@ -2750,6 +2750,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 a8eb190e46..9df9cb6adb 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
@@ -2576,6 +2576,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 9fa39c7d09..762b54878c 100644
--- a/sysdeps/unix/sysv/linux/sys/mount.h
+++ b/sysdeps/unix/sysv/linux/sys/mount.h
@@ -154,6 +154,16 @@ enum
#define MOUNT_ATTR_NOSYMFOLLOW 0x00200000 /* Do not follow symlinks. */
+/* move_mount flags. */
+#define MOVE_MOUNT_F_SYMLINKS 0x00000001 /* Follow symlinks on from path */
+#define MOVE_MOUNT_F_AUTOMOUNTS 0x00000002 /* Follow automounts on from path */
+#define MOVE_MOUNT_F_EMPTY_PATH 0x00000004 /* Empty from path permitted */
+#define MOVE_MOUNT_T_SYMLINKS 0x00000010 /* Follow symlinks on to path */
+#define MOVE_MOUNT_T_AUTOMOUNTS 0x00000020 /* Follow automounts on to path */
+#define MOVE_MOUNT_T_EMPTY_PATH 0x00000040 /* Empty to path permitted */
+#define MOVE_MOUNT_SET_GROUP 0x00000100 /* Set sharing group instead */
+
+
__BEGIN_DECLS
/* Mount a filesystem. */
@@ -176,6 +186,13 @@ extern int fsopen (const char *__fs_name, unsigned int __flags) __THROW;
extern int fsmount (int __fd, unsigned int __flags,
unsigned int __ms_flags) __THROW;
+/* Add the mounted FROM_DFD referenced by FROM_PATHNAME filesystem returned
+ by fsmount in the hierarchy in the place TO_DFD reference by TO_PATHNAME
+ using FLAGS. */
+extern int move_mount (int __from_dfd, const char *__from_pathname,
+ int __to_dfd, const char *__to_pathname,
+ 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 979f31ecba..3028c5e990 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -37,6 +37,7 @@ mincore - mincore i:aUV mincore
mlock - mlock i:bU mlock
mlockall - mlockall i:i mlockall
mount EXTRA mount i:sssUp __mount mount
+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
diff --git a/sysdeps/unix/sysv/linux/tst-mount-consts.py b/sysdeps/unix/sysv/linux/tst-mount-consts.py
index 4d4a234f3a..0e8289b833 100755
--- a/sysdeps/unix/sysv/linux/tst-mount-consts.py
+++ b/sysdeps/unix/sysv/linux/tst-mount-consts.py
@@ -50,7 +50,9 @@ def main():
check('FSOPEN_.*'),
check('FSMOUNT_.*'),
# MOUNT_ATTR_SIZE_VER0 is used for mount_setattr.
- check('MOUNT_ATTR_.*', 'MOUNT_ATTR_SIZE_VER0'))
+ check('MOUNT_ATTR_.*', 'MOUNT_ATTR_SIZE_VER0'),
+ # MOVE_MOUNT__MASK may vary depending of the kernel version.
+ check('MOVE_MOUNT_.*', 'MOVE_MOUNT__MASK'))
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 0293b05d12..4829450ad0 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
@@ -2527,6 +2527,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount 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 be216f4686..caea228bcb 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
@@ -2633,6 +2633,7 @@ GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
+GLIBC_2.36 move_mount F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.36 pidfd_send_signal F
--
2.32.0
next prev parent reply other threads:[~2022-02-07 17:44 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-07 17:44 [PATCH v2 00/15] linux: Add new syscalls Adhemerval Zanella
2022-02-07 17:44 ` [PATCH v2 01/15] linux: Add pidfd_open Adhemerval Zanella
2022-05-16 21:12 ` Carlos O'Donell
2022-06-01 18:02 ` Matheus Castanho
2022-06-01 18:49 ` Adhemerval Zanella
2022-06-01 20:53 ` Matheus Castanho
2022-06-01 22:22 ` Joseph Myers
2022-02-07 17:44 ` [PATCH v2 02/15] linux: Add pidfd_getfd Adhemerval Zanella
2022-05-16 21:12 ` Carlos O'Donell
2022-02-07 17:44 ` [PATCH v2 03/15] linux: Add pidfd_send_signal Adhemerval Zanella
2022-05-16 21:12 ` Carlos O'Donell
2022-02-07 17:44 ` [PATCH v2 04/15] linux: Add P_PIDFD Adhemerval Zanella
2022-05-16 21:12 ` Carlos O'Donell
2022-02-07 17:44 ` [PATCH v2 05/15] linux: Add tst-pidfd.c Adhemerval Zanella
2022-05-16 21:12 ` Carlos O'Donell
2022-02-07 17:44 ` [PATCH v2 06/15] linux: Add process_madvise Adhemerval Zanella
2022-05-31 22:03 ` Carlos O'Donell
2022-06-01 18:04 ` Adhemerval Zanella
2022-02-07 17:44 ` [PATCH v2 07/15] linux: Add process_mrelease Adhemerval Zanella
2022-05-31 22:12 ` Carlos O'Donell
2022-06-01 18:35 ` Adhemerval Zanella
2022-02-07 17:44 ` [PATCH v2 08/15] linux: Add fsopen Adhemerval Zanella
2022-02-07 17:44 ` [PATCH v2 09/15] linux: Add fsmount Adhemerval Zanella
2022-02-07 17:44 ` Adhemerval Zanella [this message]
2022-02-07 17:44 ` [PATCH v2 11/15] linux: Add fsconfig Adhemerval Zanella
2022-02-07 17:44 ` [PATCH v2 12/15] linux: Add fspick Adhemerval Zanella
2022-02-07 17:44 ` [PATCH v2 13/15] linux: Add open_tree Adhemerval Zanella
2022-02-07 17:44 ` [PATCH v2 14/15] linux: Add tst-mount to check for Linux new mount API Adhemerval Zanella
2022-02-07 17:44 ` [PATCH v2 15/15] linux: Add mount_setattr Adhemerval Zanella
2022-05-16 21:12 ` [PATCH v2 00/15] linux: Add new syscalls Carlos O'Donell
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