On 23.09.2019 14:10, Christos Zoulas wrote: > In article <39faa27a-2f79-3296-b316-513a6a3faf3b%gmx.com@localhost>, > Kamil Rytarowski <n54%gmx.com@localhost> wrote: >> -=-=-=-=-=- >> -=-=-=-=-=- >> >> On 23.09.2019 00:59, Christos Zoulas wrote: >>> Module Name: src >>> Committed By: christos >>> Date: Sun Sep 22 22:59:40 UTC 2019 >>> >>> Modified Files: >>> src/bin/df: df.c >>> src/distrib/sets/lists/base: shl.mi >>> src/distrib/sets/lists/debug: shl.mi >>> src/distrib/sets/lists/modules: ad.arm ad.mips md.amd64 md.sparc64 mi >>> src/lib/libc: shlib_version >>> src/lib/libc/compat/gen: Makefile.inc compat_opendir.c >>> src/lib/libc/compat/sys: Makefile.inc compat_fhstatvfs.c >>> compat_fhstatvfs1.c compat_statfs.c >>> src/lib/libc/include: namespace.h >>> src/lib/libc/sys: Makefile.inc statvfs.c >>> src/share/man/man5: statvfs.5 >>> src/sys/compat/common: compat_mod.h files.common vfs_syscalls_20.c >>> vfs_syscalls_30.c >>> src/sys/compat/netbsd32: files.netbsd32 netbsd32.h netbsd32_conv.h >>> netbsd32_fs.c syscalls.conf syscalls.master >>> src/sys/conf: files >>> src/sys/kern: init_sysent.c syscalls.conf syscalls.master vfs_subr.c >>> vfs_syscalls.c >>> src/sys/miscfs/specfs: spec_vnops.c >>> src/sys/modules: Makefile >>> src/sys/sys: param.h statvfs.h >>> src/usr.bin/ktruss: dump.c >>> Added Files: >>> src/lib/libc/compat/gen: compat___getmntinfo13.c >>> src/lib/libc/compat/sys: compat___fhstatvfs140.c compat___fhstatvfs40.c >>> compat_statvfs.c >>> src/sys/compat/common: compat_90_mod.c vfs_syscalls_90.c >>> src/sys/compat/netbsd32: netbsd32_compat_90.c >>> src/sys/conf: compat_netbsd90.config >>> src/sys/modules/compat_90: Makefile >>> src/sys/modules/compat_netbsd32_90: Makefile >>> >>> Log Message: >>> Add a new member to struct vfsstat and grow the unused members >>> The new member is caled f_mntfromlabel and it is the dkw_wname >>> of the corresponding wedge. This is now used by df -W to display >>> the mountpoint name as NAME= >>> >>> >> >> I propose to add a fallback inside libc to the older syscalls. In case >> of ENOSYS pick older syscall and zero the new struct field. >> >> This change breaks new userland with older kernel. I just hit this >> problem when upgraded before upgrading the kernel and ./build.sh >> install=/ broke in the middle leaving me with corrupted setup. >> > > New userland + old kernel is never guaranteed to work. While what you > suggest might work in this case, it adds significant complexity because > you need to wrap the new syscalls specially. > > christos > OK. I have recovered my setup and alerted other people.
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