From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ua1-x929.google.com (mail-ua1-x929.google.com [IPv6:2607:f8b0:4864:20::929]) by sourceware.org (Postfix) with ESMTPS id 525843858422 for ; Thu, 3 Feb 2022 17:46:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 525843858422 Received: by mail-ua1-x929.google.com with SMTP id b37so6499039uad.12 for ; Thu, 03 Feb 2022 09:46:52 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=fdz0l/BmTDtiRI6GWL0PVJ49AxpHq1pGheOOVqf4L2A=; b=dqk9VSROfgQV1ODaIqtPq1LGmK5HF4iJ/Mxi1XoS/tcBEHgr32f2TqhxDp+3sbUpNp QfRskN5/FXDv5ZzYBnhzCXOo2xgIvPflmuqwVqLsvAZNz/Y3WZ1NSZ/3dOq2voFnWG0k mL8gR70DNiaGpFT4hdXHsnm3EcuibJISdAHgoDS6dLrDdv6s9UAJxlhj0k9KAa+yIBmH iSEO1lvVOto0o4wpEvSh2BZ1be7G4YpneOMDyurd11lxZ86xUvr9TdfZeGC6k9DtJAio yQTPRDJhNau93L9gMtRz3/bXqEd7kTHTK6TUw/5feKKCdoG5SBP19YTnFKJPy0WOr730 IUxg== X-Gm-Message-State: AOAM530WX2Ew7nxQY1FvwECZX95KCOviGrdc/vyyDnBwaJEOhD3Tf8o2 cOgUunJizkGTu81QNG7Ju0PpION0MvLQaw== X-Google-Smtp-Source: ABdhPJymc4e0K8XT28sOAIWCJwbovdSr4eiKyWvzXAFgN4QRBQqz6Nx/g+YMQw4sOdK3h25TCE7Glw== X-Received: by 2002:ab0:3565:: with SMTP id e5mr14436796uaa.97.1643910411151; Thu, 03 Feb 2022 09:46:51 -0800 (PST) Received: from birita.. ([2804:431:c7ca:709a:22aa:9542:591f:6eb9]) by smtp.gmail.com with ESMTPSA id m25sm7294887uaq.3.2022.02.03.09.46.50 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Feb 2022 09:46:50 -0800 (PST) From: Adhemerval Zanella To: libc-alpha@sourceware.org Subject: [PATCH 09/15] linux: Add fsmount Date: Thu, 3 Feb 2022 14:46:28 -0300 Message-Id: <20220203174634.3474775-10-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220203174634.3474775-1-adhemerval.zanella@linaro.org> References: <20220203174634.3474775-1-adhemerval.zanella@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-12.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Feb 2022 17:46:55 -0000 It was added on 5.2 (93766fbd2696c2c4453dd8e1070977e9cd4e6b6d) to provide a way by which a filesystem opened with fsopen and configured by a series of fsconfig calls can have a detached mount object created for it. --- NEWS | 4 ++-- sysdeps/unix/sysv/linux/Versions | 1 + sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 + sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 + sysdeps/unix/sysv/linux/arc/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/le/libc.abilist | 1 + sysdeps/unix/sysv/linux/csky/libc.abilist | 1 + sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 + sysdeps/unix/sysv/linux/i386/libc.abilist | 1 + sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 + .../sysv/linux/m68k/coldfire/libc.abilist | 1 + .../unix/sysv/linux/m68k/m680x0/libc.abilist | 1 + .../sysv/linux/microblaze/be/libc.abilist | 1 + .../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 + .../powerpc/powerpc32/nofpu/libc.abilist | 1 + .../linux/powerpc/powerpc64/be/libc.abilist | 1 + .../linux/powerpc/powerpc64/le/libc.abilist | 1 + .../unix/sysv/linux/riscv/rv32/libc.abilist | 1 + .../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 + .../sysv/linux/sparc/sparc32/libc.abilist | 1 + .../sysv/linux/sparc/sparc64/libc.abilist | 1 + sysdeps/unix/sysv/linux/sys/mount.h | 21 +++++++++++++++++++ sysdeps/unix/sysv/linux/syscalls.list | 1 + sysdeps/unix/sysv/linux/tst-mount-consts.py | 6 +++++- .../unix/sysv/linux/x86_64/64/libc.abilist | 1 + .../unix/sysv/linux/x86_64/x32/libc.abilist | 1 + 38 files changed, 63 insertions(+), 3 deletions(-) diff --git a/NEWS b/NEWS index 702d02fd9f..dbe8fd9a42 100644 --- a/NEWS +++ b/NEWS @@ -19,8 +19,8 @@ Major new features: * On Linux, the process_mrelease has been added. It allows release the memory of a dying process from the context of the caller. -* On Linux, the fsopen has been added. It is a new mount API to allow - more flexibility on mount operations, specially when used along +* 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. Deprecated and removed features, and other changes affecting compatibility: diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions index 9ff750ac09..1d5b15aec4 100644 --- a/sysdeps/unix/sysv/linux/Versions +++ b/sysdeps/unix/sysv/linux/Versions @@ -300,6 +300,7 @@ libc { epoll_pwait2; } GLIBC_2.36 { + fsmount; fsopen; pidfd_open; pidfd_getfd; diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist index dedb69abda..bcad128067 100644 --- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist +++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist @@ -2616,6 +2616,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 67c7c43190..1d88271a25 100644 --- a/sysdeps/unix/sysv/linux/alpha/libc.abilist +++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist @@ -2713,6 +2713,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 6b478b9461..c4cc3c17f0 100644 --- a/sysdeps/unix/sysv/linux/arc/libc.abilist +++ b/sysdeps/unix/sysv/linux/arc/libc.abilist @@ -2377,6 +2377,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 45af999b89..cfec9daf7a 100644 --- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist @@ -496,6 +496,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 5abdfbd677..b77416d32f 100644 --- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist @@ -493,6 +493,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 1b560da21f..76261943fb 100644 --- a/sysdeps/unix/sysv/linux/csky/libc.abilist +++ b/sysdeps/unix/sysv/linux/csky/libc.abilist @@ -2652,6 +2652,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 09397be929..29352b69ac 100644 --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist @@ -2601,6 +2601,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 a3b95efa36..9c465ec784 100644 --- a/sysdeps/unix/sysv/linux/i386/libc.abilist +++ b/sysdeps/unix/sysv/linux/i386/libc.abilist @@ -2785,6 +2785,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 840aa669e5..ad1268e61f 100644 --- a/sysdeps/unix/sysv/linux/ia64/libc.abilist +++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist @@ -2551,6 +2551,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 8901429800..c63c140612 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist @@ -497,6 +497,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 5d3ccb254f..937ac25d40 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist @@ -2728,6 +2728,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 651d7e65f8..d144df6ace 100644 --- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist @@ -2701,6 +2701,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 c507fbd83b..87ff6f261f 100644 --- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist @@ -2698,6 +2698,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 eef92ef698..b0d2b88f14 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist @@ -2693,6 +2693,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 92634e2910..2ed23ce297 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist @@ -2691,6 +2691,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 5a6a1b8bcd..0048a23416 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist @@ -2699,6 +2699,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 0fdf5ff93b..4b10b6bec2 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist @@ -2602,6 +2602,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 e219863360..8f905a8def 100644 --- a/sysdeps/unix/sysv/linux/nios2/libc.abilist +++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist @@ -2740,6 +2740,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 8fef5e2ab8..60c2cdb6e2 100644 --- a/sysdeps/unix/sysv/linux/or1k/libc.abilist +++ b/sysdeps/unix/sysv/linux/or1k/libc.abilist @@ -2123,6 +2123,7 @@ GLIBC_2.35 wprintf F GLIBC_2.35 write F GLIBC_2.35 writev F GLIBC_2.35 wscanf F +GLIBC_2.36 fsmount F GLIBC_2.36 fsopen 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 d8a5c77db1..ac5453d9c1 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist @@ -2755,6 +2755,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 18cb35378d..772b6d2587 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist @@ -2788,6 +2788,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 e144bb4167..bcf1ed9a1c 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist @@ -2510,6 +2510,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 1f283236cd..cf4452775f 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist @@ -2812,6 +2812,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 f76f47d017..48aaada19d 100644 --- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist +++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist @@ -2379,6 +2379,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 93517ae3d6..e08ddc8627 100644 --- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist +++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist @@ -2579,6 +2579,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 4d2c9ed035..c315714ed8 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist @@ -2753,6 +2753,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 71bb7af685..9d83b3cf7d 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist @@ -2547,6 +2547,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 a040860010..8e10946936 100644 --- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist @@ -2608,6 +2608,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 10b7fa3560..6b4d8047c9 100644 --- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist @@ -2605,6 +2605,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 e859089b64..d222061590 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist @@ -2748,6 +2748,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 4347e399d6..a8eb190e46 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist @@ -2574,6 +2574,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 56da283d3f..9fa39c7d09 100644 --- a/sysdeps/unix/sysv/linux/sys/mount.h +++ b/sysdeps/unix/sysv/linux/sys/mount.h @@ -137,6 +137,22 @@ enum /* fsopen flags. */ #define FSOPEN_CLOEXEC 0x00000001 +/* fsmount flags. */ +#define FSMOUNT_CLOEXEC 0x00000001 + +/* mount attributes used on fsmount. */ +#define MOUNT_ATTR_RDONLY 0x00000001 /* Mount read-only. */ +#define MOUNT_ATTR_NOSUID 0x00000002 /* Ignore suid and sgid bits. */ +#define MOUNT_ATTR_NODEV 0x00000004 /* Disallow access to device special files. */ +#define MOUNT_ATTR_NOEXEC 0x00000008 /* Disallow program execution. */ +#define MOUNT_ATTR__ATIME 0x00000070 /* Setting on how atime should be updated. */ +#define MOUNT_ATTR_RELATIME 0x00000000 /* - Update atime relative to mtime/ctime. */ +#define MOUNT_ATTR_NOATIME 0x00000010 /* - Do not update access times. */ +#define MOUNT_ATTR_STRICTATIME 0x00000020 /* - Always perform atime updates */ +#define MOUNT_ATTR_NODIRATIME 0x00000080 /* Do not update directory access times. */ +#define MOUNT_ATTR_IDMAP 0x00100000 /* Idmap mount to @userns_fd in struct mount_attr. */ +#define MOUNT_ATTR_NOSYMFOLLOW 0x00200000 /* Do not follow symlinks. */ + __BEGIN_DECLS @@ -155,6 +171,11 @@ extern int umount2 (const char *__special_file, int __flags) __THROW; mouting. */ extern int fsopen (const char *__fs_name, unsigned int __flags) __THROW; +/* Create a mount representation for the FD created by fsopen using + FLAGS with ATTR_FLAGS describing who the mount is to be performed. */ +extern int fsmount (int __fd, unsigned int __flags, + unsigned int __ms_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 bba53e15b3..979f31ecba 100644 --- a/sysdeps/unix/sysv/linux/syscalls.list +++ b/sysdeps/unix/sysv/linux/syscalls.list @@ -12,6 +12,7 @@ epoll_ctl EXTRA epoll_ctl i:iiip epoll_ctl eventfd EXTRA eventfd2 i:ii eventfd execve - execve i:spp __execve execve flock - flock i:ii __flock flock +fsmount EXTRA fsmount i:iUU fsmount fsopen EXTRA fsopen i:sU fsopen 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 diff --git a/sysdeps/unix/sysv/linux/tst-mount-consts.py b/sysdeps/unix/sysv/linux/tst-mount-consts.py index 0021d09cc3..dc70194b39 100755 --- a/sysdeps/unix/sysv/linux/tst-mount-consts.py +++ b/sysdeps/unix/sysv/linux/tst-mount-consts.py @@ -40,7 +40,11 @@ def main(): cte, exclude) - status = check('FSOPEN_.*') + status = max( + check('FSOPEN_.*'), + check('FSMOUNT_.*'), + # MOUNT_ATTR_SIZE_VER0 is used for mount_setattr. + check('MOUNT_ATTR_.*', 'MOUNT_ATTR_SIZE_VER0')) 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 65e5d2150d..0293b05d12 100644 --- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist @@ -2525,6 +2525,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 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 4c6371b3c4..be216f4686 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist @@ -2631,6 +2631,7 @@ GLIBC_2.35 __memcmpeq F GLIBC_2.35 _dl_find_object F 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 pidfd_getfd F GLIBC_2.36 pidfd_open F -- 2.32.0