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| author | kib <kib@FreeBSD.org> | 2010-10-10 07:05:47 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2010-10-10 07:05:47 +0000 |
| commit | 4036cd070dc5c10e56ee81b7b59fac9c3d1b21b5 (patch) | |
| tree | a006cef67a086a26fbf62390901a1727666e6379 /sys/kern | |
| parent | ab9dd3ef5837b16243ea56cca50dce6f2709cb92 (diff) | |
| download | FreeBSD-src-4036cd070dc5c10e56ee81b7b59fac9c3d1b21b5.zip FreeBSD-src-4036cd070dc5c10e56ee81b7b59fac9c3d1b21b5.tar.gz | |
The r184588 changed the layout of struct export_args, causing an ABI
breakage for old mount(2) syscall, since most struct <filesystem>_args
embed export_args. The mount(2) is supposed to provide ABI
compatibility for pre-nmount mount(8) binaries, so restore ABI to
pre-r184588.
Requested and reviewed by: bde
MFC after: 2 weeks
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/vfs_mount.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/kern/vfs_mount.c b/sys/kern/vfs_mount.c index 98eb0c4..5b0fd00 100644 --- a/sys/kern/vfs_mount.c +++ b/sys/kern/vfs_mount.c @@ -1960,3 +1960,11 @@ kernel_vmount(int flags, ...) error = kernel_mount(ma, flags); return (error); } + +void +vfs_oexport_conv(const struct oexport_args *oexp, struct export_args *exp) +{ + + bcopy(oexp, exp, sizeof(*oexp)); + exp->ex_numsecflavors = 0; +} |
