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[v7,2/5] linux: Add fspick

Message ID 20220624195919.435424-3-adhemerval.zanella@linaro.org
State Committed
Headers show
Series linux: Add new syscalls | expand

Checks

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

Commit Message

Adhemerval Zanella Netto June 24, 2022, 7:59 p.m. UTC
It was added on Linux 5.2 (cf3cba4a429be43e5527a3f78859b1bfd9ebc5fb)
that can be used to pick an existing mountpoint into an filesystem
context which can thereafter be used to reconfigure a superblock
with fsconfig syscall.
---
 NEWS                                                 |  9 +++++----
 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 +
 .../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 +
 .../sysv/linux/powerpc/powerpc32/fpu/libc.abilist    |  1 +
 .../sysv/linux/powerpc/powerpc32/nofpu/libc.abilist  |  1 +
 .../sysv/linux/powerpc/powerpc64/be/libc.abilist     |  1 +
 .../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                  | 12 ++++++++++++
 sysdeps/unix/sysv/linux/syscalls.list                |  1 +
 sysdeps/unix/sysv/linux/x86_64/64/libc.abilist       |  1 +
 sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist      |  1 +
 37 files changed, 52 insertions(+), 4 deletions(-)

Comments

Carlos O'Donell July 4, 2022, 9:39 p.m. UTC | #1
On 6/24/22 15:59, Adhemerval Zanella wrote:
> It was added on Linux 5.2 (cf3cba4a429be43e5527a3f78859b1bfd9ebc5fb)
> that can be used to pick an existing mountpoint into an filesystem
> context which can thereafter be used to reconfigure a superblock
> with fsconfig syscall.

LGTM. API signature matches the kernel.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>

> ---
>  NEWS                                                 |  9 +++++----
>  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 +
>  .../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 +
>  .../sysv/linux/powerpc/powerpc32/fpu/libc.abilist    |  1 +
>  .../sysv/linux/powerpc/powerpc32/nofpu/libc.abilist  |  1 +
>  .../sysv/linux/powerpc/powerpc64/be/libc.abilist     |  1 +
>  .../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                  | 12 ++++++++++++
>  sysdeps/unix/sysv/linux/syscalls.list                |  1 +
>  sysdeps/unix/sysv/linux/x86_64/64/libc.abilist       |  1 +
>  sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist      |  1 +
>  37 files changed, 52 insertions(+), 4 deletions(-)
> 
> diff --git a/NEWS b/NEWS
> index 83bb660429..9557b15f4a 100644
> --- a/NEWS
> +++ b/NEWS
> @@ -41,10 +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, and fsconfig 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, 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.

OK.

>  
>  Deprecated and removed features, and other changes affecting compatibility:
>  
> diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
> index 831a366492..7bc5861513 100644
> --- a/sysdeps/unix/sysv/linux/Versions
> +++ b/sysdeps/unix/sysv/linux/Versions
> @@ -303,6 +303,7 @@ libc {
>      fsconfig;
>      fsmount;
>      fsopen;
> +    fspick;

OK.

>      move_mount;
>      pidfd_open;
>      pidfd_getfd;
> diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
> index 0b8699dd94..4eaffedf7f 100644
> --- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
> @@ -2619,6 +2619,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist
> index dbc552de45..6acce2a762 100644
> --- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
> @@ -2716,6 +2716,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist
> index b8411014f0..9d254a3bc3 100644
> --- a/sysdeps/unix/sysv/linux/arc/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
> @@ -2380,6 +2380,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> index 618467399b..95026bc448 100644
> --- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> @@ -499,6 +499,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> index 3afbd61ba3..096246378c 100644
> --- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> @@ -496,6 +496,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
> index 189835a12f..166008f970 100644
> --- a/sysdeps/unix/sysv/linux/csky/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
> @@ -2655,6 +2655,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
> index 41d645f3a0..155cc6ed96 100644
> --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
> @@ -2604,6 +2604,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
> index c39a33655a..67f7e36556 100644
> --- a/sysdeps/unix/sysv/linux/i386/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
> @@ -2788,6 +2788,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist
> index 611b31fc1d..dbb75aa50f 100644
> --- a/sysdeps/unix/sysv/linux/ia64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist
> @@ -2554,6 +2554,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> index 8504a94c75..6d72cedf89 100644
> --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> @@ -500,6 +500,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> index 2cf5ca75d2..7899efa0e0 100644
> --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> @@ -2731,6 +2731,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> index 667098908d..162a85a8a8 100644
> --- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> @@ -2704,6 +2704,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> index a131265c9c..a5e28ec2ae 100644
> --- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> @@ -2701,6 +2701,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> index 9a083512f7..33627f4b67 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> @@ -2696,6 +2696,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> index 71b952dc6a..333547fc56 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> @@ -2694,6 +2694,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> index f824d143fa..a46a1aefe7 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> @@ -2702,6 +2702,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
> index 70ff16e752..b9b88321a7 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
> @@ -2605,6 +2605,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist
> index e3e30f9f72..0f2293d6a1 100644
> --- a/sysdeps/unix/sysv/linux/nios2/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist
> @@ -2743,6 +2743,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/or1k/libc.abilist b/sysdeps/unix/sysv/linux/or1k/libc.abilist
> index c2c6c1678f..812c05804e 100644
> --- a/sysdeps/unix/sysv/linux/or1k/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/or1k/libc.abilist
> @@ -2126,6 +2126,7 @@ GLIBC_2.35 wscanf F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> index 0ca95aa512..568e5ab91f 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> @@ -2758,6 +2758,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> index 2256356cdb..bf5bab018d 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> @@ -2791,6 +2791,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
> index b27e3b9c7c..cffbb88886 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
> @@ -2513,6 +2513,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
> index ac3897e8c6..8dac584380 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
> @@ -2815,6 +2815,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
> index f7abfd54e3..431a9a30a1 100644
> --- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
> @@ -2382,6 +2382,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
> index d4ba82b0a7..ec86269bf7 100644
> --- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
> @@ -2582,6 +2582,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> index e15c8f1c50..fe437d8e61 100644
> --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> @@ -2756,6 +2756,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
> index 3f74bf6af0..e802e8da7f 100644
> --- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
> @@ -2550,6 +2550,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> index e9610718d2..c0a7196f5a 100644
> --- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> @@ -2611,6 +2611,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> index 754c495a6f..45589bac28 100644
> --- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> @@ -2608,6 +2608,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> index 368a9177e3..9b84bc0143 100644
> --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> @@ -2751,6 +2751,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
> index d644201962..362a22903a 100644
> --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
> @@ -2577,6 +2577,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/sys/mount.h b/sysdeps/unix/sysv/linux/sys/mount.h
> index ef2c72f31c..e0880f75a5 100644
> --- a/sysdeps/unix/sysv/linux/sys/mount.h
> +++ b/sysdeps/unix/sysv/linux/sys/mount.h
> @@ -163,6 +163,14 @@ enum
>  #define MOVE_MOUNT_T_EMPTY_PATH 0x00000040 /* Empty to path permitted */
>  #define MOVE_MOUNT_SET_GROUP    0x00000100 /* Set sharing group instead */
>  
> +
> +/* fspick flags.  */
> +#define FSPICK_CLOEXEC          0x00000001
> +#define FSPICK_SYMLINK_NOFOLLOW 0x00000002
> +#define FSPICK_NO_AUTOMOUNT     0x00000004
> +#define FSPICK_EMPTY_PATH       0x00000008

OK. FSPICK_* 1/2/4/8. Matches kernel.

> +
> +
>  /* The type of fsconfig call made.   */
>  enum fsconfig_command
>  {
> @@ -219,6 +227,10 @@ extern int move_mount (int __from_dfd, const char *__from_pathname,
>  extern int fsconfig (int __fd, unsigned int __cmd, const char *__key,
>  		     const void *__value, int __aux) __THROW;
>  
> +/* Equivalent of fopen for an existing mount point.  */
> +extern int fspick (int __dfd, const char *__path, unsigned int __flags)
> +  __THROW;
> +

OK. int, const char *, unsigned int. Matches kernel.

>  __END_DECLS
>  
>  #endif /* _SYS_MOUNT_H */
> diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
> index b2c8df5278..38ab457340 100644
> --- a/sysdeps/unix/sysv/linux/syscalls.list
> +++ b/sysdeps/unix/sysv/linux/syscalls.list
> @@ -15,6 +15,7 @@ flock		-	flock		i:ii	__flock		flock
>  fsconfig	EXTRA	fsconfig	i:iUsNi	fsconfig
>  fsmount		EXTRA	fsmount		i:iUU	fsmount
>  fsopen		EXTRA	fsopen		i:sU	fsopen
> +fspick		EXTRA	fspick		i:isU	fspick

OK. i:isU. Matches kernel API.

>  get_kernel_syms	EXTRA	get_kernel_syms	i:p	__compat_get_kernel_syms	get_kernel_syms@GLIBC_2.0:GLIBC_2.23
>  getpid          -       getpid          Ei:     __getpid        getpid
>  getegid		-	getegid		Ei:	__getegid	getegid
> diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
> index 0ff913610c..93dab79cdc 100644
> --- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
> @@ -2528,6 +2528,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
> diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
> index 2aa67048ac..24daa92e90 100644
> --- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
> @@ -2634,6 +2634,7 @@ GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
>  GLIBC_2.36 fsconfig F
>  GLIBC_2.36 fsmount F
>  GLIBC_2.36 fsopen F
> +GLIBC_2.36 fspick F
>  GLIBC_2.36 move_mount F
>  GLIBC_2.36 pidfd_getfd F
>  GLIBC_2.36 pidfd_open F
diff mbox series

Patch

diff --git a/NEWS b/NEWS
index 83bb660429..9557b15f4a 100644
--- a/NEWS
+++ b/NEWS
@@ -41,10 +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, and fsconfig 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, 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.
 
 Deprecated and removed features, and other changes affecting compatibility:
 
diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index 831a366492..7bc5861513 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -303,6 +303,7 @@  libc {
     fsconfig;
     fsmount;
     fsopen;
+    fspick;
     move_mount;
     pidfd_open;
     pidfd_getfd;
diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
index 0b8699dd94..4eaffedf7f 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
@@ -2619,6 +2619,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist
index dbc552de45..6acce2a762 100644
--- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
@@ -2716,6 +2716,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist
index b8411014f0..9d254a3bc3 100644
--- a/sysdeps/unix/sysv/linux/arc/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
@@ -2380,6 +2380,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
index 618467399b..95026bc448 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
@@ -499,6 +499,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
index 3afbd61ba3..096246378c 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
@@ -496,6 +496,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
index 189835a12f..166008f970 100644
--- a/sysdeps/unix/sysv/linux/csky/libc.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
@@ -2655,6 +2655,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
index 41d645f3a0..155cc6ed96 100644
--- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
@@ -2604,6 +2604,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
index c39a33655a..67f7e36556 100644
--- a/sysdeps/unix/sysv/linux/i386/libc.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
@@ -2788,6 +2788,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist
index 611b31fc1d..dbb75aa50f 100644
--- a/sysdeps/unix/sysv/linux/ia64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist
@@ -2554,6 +2554,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
index 8504a94c75..6d72cedf89 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
@@ -500,6 +500,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
index 2cf5ca75d2..7899efa0e0 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
@@ -2731,6 +2731,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
index 667098908d..162a85a8a8 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
@@ -2704,6 +2704,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
index a131265c9c..a5e28ec2ae 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
@@ -2701,6 +2701,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
index 9a083512f7..33627f4b67 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
@@ -2696,6 +2696,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
index 71b952dc6a..333547fc56 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
@@ -2694,6 +2694,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
index f824d143fa..a46a1aefe7 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
@@ -2702,6 +2702,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
index 70ff16e752..b9b88321a7 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
@@ -2605,6 +2605,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist
index e3e30f9f72..0f2293d6a1 100644
--- a/sysdeps/unix/sysv/linux/nios2/libc.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist
@@ -2743,6 +2743,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/or1k/libc.abilist b/sysdeps/unix/sysv/linux/or1k/libc.abilist
index c2c6c1678f..812c05804e 100644
--- a/sysdeps/unix/sysv/linux/or1k/libc.abilist
+++ b/sysdeps/unix/sysv/linux/or1k/libc.abilist
@@ -2126,6 +2126,7 @@  GLIBC_2.35 wscanf F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
index 0ca95aa512..568e5ab91f 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
@@ -2758,6 +2758,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
index 2256356cdb..bf5bab018d 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
@@ -2791,6 +2791,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
index b27e3b9c7c..cffbb88886 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
@@ -2513,6 +2513,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
index ac3897e8c6..8dac584380 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
@@ -2815,6 +2815,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
index f7abfd54e3..431a9a30a1 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
@@ -2382,6 +2382,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
index d4ba82b0a7..ec86269bf7 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
@@ -2582,6 +2582,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
index e15c8f1c50..fe437d8e61 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
@@ -2756,6 +2756,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
index 3f74bf6af0..e802e8da7f 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
@@ -2550,6 +2550,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
index e9610718d2..c0a7196f5a 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
@@ -2611,6 +2611,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
index 754c495a6f..45589bac28 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
@@ -2608,6 +2608,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
index 368a9177e3..9b84bc0143 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
@@ -2751,6 +2751,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
index d644201962..362a22903a 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
@@ -2577,6 +2577,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/sys/mount.h b/sysdeps/unix/sysv/linux/sys/mount.h
index ef2c72f31c..e0880f75a5 100644
--- a/sysdeps/unix/sysv/linux/sys/mount.h
+++ b/sysdeps/unix/sysv/linux/sys/mount.h
@@ -163,6 +163,14 @@  enum
 #define MOVE_MOUNT_T_EMPTY_PATH 0x00000040 /* Empty to path permitted */
 #define MOVE_MOUNT_SET_GROUP    0x00000100 /* Set sharing group instead */
 
+
+/* fspick flags.  */
+#define FSPICK_CLOEXEC          0x00000001
+#define FSPICK_SYMLINK_NOFOLLOW 0x00000002
+#define FSPICK_NO_AUTOMOUNT     0x00000004
+#define FSPICK_EMPTY_PATH       0x00000008
+
+
 /* The type of fsconfig call made.   */
 enum fsconfig_command
 {
@@ -219,6 +227,10 @@  extern int move_mount (int __from_dfd, const char *__from_pathname,
 extern int fsconfig (int __fd, unsigned int __cmd, const char *__key,
 		     const void *__value, int __aux) __THROW;
 
+/* Equivalent of fopen for an existing mount point.  */
+extern int fspick (int __dfd, const char *__path, 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 b2c8df5278..38ab457340 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -15,6 +15,7 @@  flock		-	flock		i:ii	__flock		flock
 fsconfig	EXTRA	fsconfig	i:iUsNi	fsconfig
 fsmount		EXTRA	fsmount		i:iUU	fsmount
 fsopen		EXTRA	fsopen		i:sU	fsopen
+fspick		EXTRA	fspick		i:isU	fspick
 get_kernel_syms	EXTRA	get_kernel_syms	i:p	__compat_get_kernel_syms	get_kernel_syms@GLIBC_2.0:GLIBC_2.23
 getpid          -       getpid          Ei:     __getpid        getpid
 getegid		-	getegid		Ei:	__getegid	getegid
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
index 0ff913610c..93dab79cdc 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
@@ -2528,6 +2528,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
index 2aa67048ac..24daa92e90 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
@@ -2634,6 +2634,7 @@  GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
 GLIBC_2.36 fsconfig F
 GLIBC_2.36 fsmount F
 GLIBC_2.36 fsopen F
+GLIBC_2.36 fspick F
 GLIBC_2.36 move_mount F
 GLIBC_2.36 pidfd_getfd F
 GLIBC_2.36 pidfd_open F