| Message ID | 20220622125223.14336-3-adhemerval.zanella@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | linux: Add new syscalls | expand |
On 6/22/22 08:52, Adhemerval Zanella wrote: > 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. LGTM. Reviewed-by: Carlos O'Donell <carlos@redhat.com> > Tested-by: Carlos O'Donell <carlos@redhat.com> > --- > NEWS | 8 +++---- > 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 | 4 +++- > .../unix/sysv/linux/x86_64/64/libc.abilist | 1 + > .../unix/sysv/linux/x86_64/x32/libc.abilist | 1 + > 38 files changed, 63 insertions(+), 5 deletions(-) > > diff --git a/NEWS b/NEWS > index 7223faa887..c83bc57fd4 100644 > --- a/NEWS > +++ b/NEWS > @@ -29,10 +29,10 @@ Major new features: > memory is carried out in the context of the caller, using the caller's > CPU affinity, and priority with CPU usage accounted to the caller. > > -* On Linux, the fsopen function has been added. It is 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 and fsmount 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 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..6d55c55de8 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 how 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 a2919f433d..4ac6fe7659 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 a6c5d4f80e..c40266beb5 100755 > --- a/sysdeps/unix/sysv/linux/tst-mount-consts.py > +++ b/sysdeps/unix/sysv/linux/tst-mount-consts.py > @@ -49,7 +49,9 @@ def main(): > linux_version_glibc > linux_version_headers, > linux_version_headers > linux_version_glibc) > > - status = check('FSOPEN_.*') > + status = max( > + check('FSOPEN_.*'), > + check('FSMOUNT_.*')) > 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
diff --git a/NEWS b/NEWS index 7223faa887..c83bc57fd4 100644 --- a/NEWS +++ b/NEWS @@ -29,10 +29,10 @@ Major new features: memory is carried out in the context of the caller, using the caller's CPU affinity, and priority with CPU usage accounted to the caller. -* On Linux, the fsopen function has been added. It is 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 and fsmount 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 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..6d55c55de8 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 how 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 a2919f433d..4ac6fe7659 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 a6c5d4f80e..c40266beb5 100755 --- a/sysdeps/unix/sysv/linux/tst-mount-consts.py +++ b/sysdeps/unix/sysv/linux/tst-mount-consts.py @@ -49,7 +49,9 @@ def main(): linux_version_glibc > linux_version_headers, linux_version_headers > linux_version_glibc) - status = check('FSOPEN_.*') + status = max( + check('FSOPEN_.*'), + check('FSMOUNT_.*')) 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
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. Tested-by: Carlos O'Donell <carlos@redhat.com> --- NEWS | 8 +++---- 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 | 4 +++- .../unix/sysv/linux/x86_64/64/libc.abilist | 1 + .../unix/sysv/linux/x86_64/x32/libc.abilist | 1 + 38 files changed, 63 insertions(+), 5 deletions(-)