| Message ID | 20220622125223.14336-2-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 Linux 5.2 (24dcb3d90a1f67fe08c68a004af37df059d74005) > to start the process of preparing to create a superblock that will > then be mountable, using an fd as a context handle. > Technically looks good. One spacing typo which you can fix under consensus rules. LGTM. Reviewed-by: Carlos O'Donell <carlos@redhat.com> > Tested-by: Carlos O'Donell <carlos@redhat.com> > --- > NEWS | 5 ++ > sysdeps/unix/sysv/linux/Makefile | 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 | 8 +++ > sysdeps/unix/sysv/linux/syscalls.list | 1 + > sysdeps/unix/sysv/linux/tst-mount-consts.py | 56 +++++++++++++++++++ > .../unix/sysv/linux/x86_64/64/libc.abilist | 1 + > .../unix/sysv/linux/x86_64/x32/libc.abilist | 1 + > 39 files changed, 112 insertions(+) > create mode 100755 sysdeps/unix/sysv/linux/tst-mount-consts.py > > diff --git a/NEWS b/NEWS > index 6a213775e6..7223faa887 100644 > --- a/NEWS > +++ b/NEWS > @@ -29,6 +29,11 @@ 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. > + > Deprecated and removed features, and other changes affecting compatibility: > > * Support for prelink will be removed in the next release; this includes > diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile > index 9e691fa103..7ffcf7ed83 100644 > --- a/sysdeps/unix/sysv/linux/Makefile > +++ b/sysdeps/unix/sysv/linux/Makefile > @@ -256,6 +256,14 @@ $(objpfx)tst-pidfd-consts.out: ../sysdeps/unix/sysv/linux/tst-pidfd-consts.py > < /dev/null > $@ 2>&1; $(evaluate-test) > $(objpfx)tst-pidfd-consts.out: $(sysdeps-linux-python-deps) > > +tests-special += $(objpfx)tst-mount-consts.out > +$(objpfx)tst-mount-consts.out: ../sysdeps/unix/sysv/linux/tst-mount-consts.py > + $(sysdeps-linux-python) \ > + ../sysdeps/unix/sysv/linux/tst-mount-consts.py \ > + $(sysdeps-linux-python-cc) \ > + < /dev/null > $@ 2>&1; $(evaluate-test) > +$(objpfx)tst-mount-consts.out: $(sysdeps-linux-python-deps) > + > tst-rseq-disable-ENV = GLIBC_TUNABLES=glibc.pthread.rseq=0 > > endif # $(subdir) == misc > diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions > index 66a995d3dc..9ff750ac09 100644 > --- a/sysdeps/unix/sysv/linux/Versions > +++ b/sysdeps/unix/sysv/linux/Versions > @@ -300,6 +300,7 @@ libc { > epoll_pwait2; > } > GLIBC_2.36 { > + fsopen; > pidfd_open; > pidfd_getfd; > pidfd_send_signal; > diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist > index 027a1cf531..dedb69abda 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist > index 703fcf5deb..67c7c43190 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist > index 28c52dcbac..6b478b9461 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist > index c3adade814..45af999b89 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist > index 33a90a248e..5abdfbd677 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist > index 23a00cfc0b..1b560da21f 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist > index 93e1068208..09397be929 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist > index 356b05cae4..a3b95efa36 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist > index 58e51aae4b..840aa669e5 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist > index ea4a19cbc2..8901429800 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist > index 217717859c..5d3ccb254f 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist > index 0e373d5c89..651d7e65f8 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist > index 569d3e5556..c507fbd83b 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist > index 7ccc7f93eb..eef92ef698 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist > index d197f0bd5d..92634e2910 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist > index 4a8e857e53..5a6a1b8bcd 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist > index e0a170c030..0fdf5ff93b 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist > index 6f809245c9..e219863360 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/or1k/libc.abilist b/sysdeps/unix/sysv/linux/or1k/libc.abilist > index 1fc9e27c27..8fef5e2ab8 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist > index 01ba1dd9ec..d8a5c77db1 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist > index 263231a396..18cb35378d 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist > index 2c3c3af8fb..e144bb4167 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist > index 4138874b38..1f283236cd 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist > index 5feae3245f..f76f47d017 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist > index 3e6a4ae5ec..93517ae3d6 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist > index 93c7b79b51..4d2c9ed035 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist > index b663fabeba..71bb7af685 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist > index abebf77944..a040860010 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist > index afd8a42895..10b7fa3560 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist > index 56feda817d..e859089b64 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist > index 00cc5b24d1..4347e399d6 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/sys/mount.h b/sysdeps/unix/sysv/linux/sys/mount.h > index 174b5c7763..56da283d3f 100644 > --- a/sysdeps/unix/sysv/linux/sys/mount.h > +++ b/sysdeps/unix/sysv/linux/sys/mount.h > @@ -134,6 +134,10 @@ enum > }; > > > +/* fsopen flags. */ > +#define FSOPEN_CLOEXEC 0x00000001 > + > + > __BEGIN_DECLS > > /* Mount a filesystem. */ > @@ -147,6 +151,10 @@ extern int umount (const char *__special_file) __THROW; > /* Unmount a filesystem. Force unmounting if FLAGS is set to MNT_FORCE. */ > extern int umount2 (const char *__special_file, int __flags) __THROW; > > +/* Open the filesystem referenced by FS_NAME so it can be configured for > + mouting. */ > +extern int fsopen (const char *__fs_name, 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 b12a0d56fa..a2919f433d 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 > +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 > getegid - getegid Ei: __getegid getegid > diff --git a/sysdeps/unix/sysv/linux/tst-mount-consts.py b/sysdeps/unix/sysv/linux/tst-mount-consts.py > new file mode 100755 > index 0000000000..a6c5d4f80e > --- /dev/null > +++ b/sysdeps/unix/sysv/linux/tst-mount-consts.py > @@ -0,0 +1,56 @@ > +#!/usr/bin/python3 > +# Test that glibc's sys/mount.h constants match the kernel's. > +# Copyright (C) 2022 Free Software Foundation, Inc. > +# This file is part of the GNU C Library. > +# > +# The GNU C Library is free software; you can redistribute it and/or > +# modify it under the terms of the GNU Lesser General Public > +# License as published by the Free Software Foundation; either > +# version 2.1 of the License, or (at your option) any later version. > +# > +# The GNU C Library is distributed in the hope that it will be useful, > +# but WITHOUT ANY WARRANTY; without even the implied warranty of > +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > +# Lesser General Public License for more details. > +# > +# You should have received a copy of the GNU Lesser General Public > +# License along with the GNU C Library; if not, see > +# <https://www.gnu.org/licenses/>. > + > +import argparse > +import sys > + > +import glibcextract > +import glibcsyscalls > + > + > +def main(): > + """The main entry point.""" > + parser = argparse.ArgumentParser( > + description="Test that glibc's sys/mount.h constants " > + "match the kernel's.") > + parser.add_argument('--cc', metavar='CC', > + help='C compiler (including options) to use') > + args = parser.parse_args() > + > + linux_version_headers = glibcsyscalls.linux_kernel_version(args.cc) > + # Constants in glibc were updated to match Linux v5.16. When glibc > + # constants are updated this value should be updated to match the > + #released kernel version from which the constants were taken. s/#r/# r/g > + linux_version_glibc = (5, 16) > + def check(cte, exclude=None): > + return glibcextract.compare_macro_consts( > + '#include <sys/mount.h>\n', > + '#include <asm/fcntl.h>\n' > + '#include <linux/mount.h>\n', > + args.cc, > + cte, > + exclude, > + linux_version_glibc > linux_version_headers, > + linux_version_headers > linux_version_glibc) > + > + status = check('FSOPEN_.*') > + sys.exit(status) > + > +if __name__ == '__main__': > + main() > diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist > index 4e729bdf56..65e5d2150d 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F > diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist > index b5d7b9f1ed..4c6371b3c4 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 fsopen F > GLIBC_2.36 pidfd_getfd F > GLIBC_2.36 pidfd_open F > GLIBC_2.36 pidfd_send_signal F
diff --git a/NEWS b/NEWS index 6a213775e6..7223faa887 100644 --- a/NEWS +++ b/NEWS @@ -29,6 +29,11 @@ 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. + Deprecated and removed features, and other changes affecting compatibility: * Support for prelink will be removed in the next release; this includes diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index 9e691fa103..7ffcf7ed83 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -256,6 +256,14 @@ $(objpfx)tst-pidfd-consts.out: ../sysdeps/unix/sysv/linux/tst-pidfd-consts.py < /dev/null > $@ 2>&1; $(evaluate-test) $(objpfx)tst-pidfd-consts.out: $(sysdeps-linux-python-deps) +tests-special += $(objpfx)tst-mount-consts.out +$(objpfx)tst-mount-consts.out: ../sysdeps/unix/sysv/linux/tst-mount-consts.py + $(sysdeps-linux-python) \ + ../sysdeps/unix/sysv/linux/tst-mount-consts.py \ + $(sysdeps-linux-python-cc) \ + < /dev/null > $@ 2>&1; $(evaluate-test) +$(objpfx)tst-mount-consts.out: $(sysdeps-linux-python-deps) + tst-rseq-disable-ENV = GLIBC_TUNABLES=glibc.pthread.rseq=0 endif # $(subdir) == misc diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions index 66a995d3dc..9ff750ac09 100644 --- a/sysdeps/unix/sysv/linux/Versions +++ b/sysdeps/unix/sysv/linux/Versions @@ -300,6 +300,7 @@ libc { epoll_pwait2; } GLIBC_2.36 { + fsopen; pidfd_open; pidfd_getfd; pidfd_send_signal; diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist index 027a1cf531..dedb69abda 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist index 703fcf5deb..67c7c43190 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist index 28c52dcbac..6b478b9461 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist index c3adade814..45af999b89 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist index 33a90a248e..5abdfbd677 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist index 23a00cfc0b..1b560da21f 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist index 93e1068208..09397be929 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist index 356b05cae4..a3b95efa36 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist index 58e51aae4b..840aa669e5 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist index ea4a19cbc2..8901429800 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist index 217717859c..5d3ccb254f 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist index 0e373d5c89..651d7e65f8 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist index 569d3e5556..c507fbd83b 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist index 7ccc7f93eb..eef92ef698 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist index d197f0bd5d..92634e2910 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist index 4a8e857e53..5a6a1b8bcd 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist index e0a170c030..0fdf5ff93b 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist index 6f809245c9..e219863360 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/or1k/libc.abilist b/sysdeps/unix/sysv/linux/or1k/libc.abilist index 1fc9e27c27..8fef5e2ab8 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist index 01ba1dd9ec..d8a5c77db1 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist index 263231a396..18cb35378d 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist index 2c3c3af8fb..e144bb4167 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist index 4138874b38..1f283236cd 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist index 5feae3245f..f76f47d017 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist index 3e6a4ae5ec..93517ae3d6 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist index 93c7b79b51..4d2c9ed035 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist index b663fabeba..71bb7af685 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist index abebf77944..a040860010 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist index afd8a42895..10b7fa3560 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist index 56feda817d..e859089b64 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist index 00cc5b24d1..4347e399d6 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/sys/mount.h b/sysdeps/unix/sysv/linux/sys/mount.h index 174b5c7763..56da283d3f 100644 --- a/sysdeps/unix/sysv/linux/sys/mount.h +++ b/sysdeps/unix/sysv/linux/sys/mount.h @@ -134,6 +134,10 @@ enum }; +/* fsopen flags. */ +#define FSOPEN_CLOEXEC 0x00000001 + + __BEGIN_DECLS /* Mount a filesystem. */ @@ -147,6 +151,10 @@ extern int umount (const char *__special_file) __THROW; /* Unmount a filesystem. Force unmounting if FLAGS is set to MNT_FORCE. */ extern int umount2 (const char *__special_file, int __flags) __THROW; +/* Open the filesystem referenced by FS_NAME so it can be configured for + mouting. */ +extern int fsopen (const char *__fs_name, 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 b12a0d56fa..a2919f433d 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 +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 getegid - getegid Ei: __getegid getegid diff --git a/sysdeps/unix/sysv/linux/tst-mount-consts.py b/sysdeps/unix/sysv/linux/tst-mount-consts.py new file mode 100755 index 0000000000..a6c5d4f80e --- /dev/null +++ b/sysdeps/unix/sysv/linux/tst-mount-consts.py @@ -0,0 +1,56 @@ +#!/usr/bin/python3 +# Test that glibc's sys/mount.h constants match the kernel's. +# Copyright (C) 2022 Free Software Foundation, Inc. +# This file is part of the GNU C Library. +# +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library; if not, see +# <https://www.gnu.org/licenses/>. + +import argparse +import sys + +import glibcextract +import glibcsyscalls + + +def main(): + """The main entry point.""" + parser = argparse.ArgumentParser( + description="Test that glibc's sys/mount.h constants " + "match the kernel's.") + parser.add_argument('--cc', metavar='CC', + help='C compiler (including options) to use') + args = parser.parse_args() + + linux_version_headers = glibcsyscalls.linux_kernel_version(args.cc) + # Constants in glibc were updated to match Linux v5.16. When glibc + # constants are updated this value should be updated to match the + #released kernel version from which the constants were taken. + linux_version_glibc = (5, 16) + def check(cte, exclude=None): + return glibcextract.compare_macro_consts( + '#include <sys/mount.h>\n', + '#include <asm/fcntl.h>\n' + '#include <linux/mount.h>\n', + args.cc, + cte, + exclude, + linux_version_glibc > linux_version_headers, + linux_version_headers > linux_version_glibc) + + status = check('FSOPEN_.*') + sys.exit(status) + +if __name__ == '__main__': + main() diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist index 4e729bdf56..65e5d2150d 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist index b5d7b9f1ed..4c6371b3c4 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 fsopen F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F GLIBC_2.36 pidfd_send_signal F
It was added on Linux 5.2 (24dcb3d90a1f67fe08c68a004af37df059d74005) to start the process of preparing to create a superblock that will then be mountable, using an fd as a context handle. Tested-by: Carlos O'Donell <carlos@redhat.com> --- NEWS | 5 ++ sysdeps/unix/sysv/linux/Makefile | 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 | 8 +++ sysdeps/unix/sysv/linux/syscalls.list | 1 + sysdeps/unix/sysv/linux/tst-mount-consts.py | 56 +++++++++++++++++++ .../unix/sysv/linux/x86_64/64/libc.abilist | 1 + .../unix/sysv/linux/x86_64/x32/libc.abilist | 1 + 39 files changed, 112 insertions(+) create mode 100755 sysdeps/unix/sysv/linux/tst-mount-consts.py