From: Alexey Dobriyan lutimesat(2) does everything futimesat(2) does except it doesn't follow symlinks. It could be used by tar(1) and cp(1). FreeBSD and NetBSD have lutimes(2) which can be emulated by C library: lutimesat(AT_FDCWD, filename, utimes) Closes http://bugme.osdl.org/show_bug.cgi?id=4433 Signed-off-by: Alexey Dobriyan Cc: Andi Kleen Cc: Arnd Bergmann Cc: Michael Kerrisk Cc: Ulrich Drepper Signed-off-by: Andrew Morton --- arch/i386/kernel/syscall_table.S | 1 + fs/utimes.c | 9 +++++++++ include/asm-i386/unistd.h | 3 ++- 3 files changed, 12 insertions(+), 1 deletion(-) diff -puN arch/i386/kernel/syscall_table.S~lutimesat-actual-syscall-and-wire-up-on-i386 arch/i386/kernel/syscall_table.S --- a/arch/i386/kernel/syscall_table.S~lutimesat-actual-syscall-and-wire-up-on-i386 +++ a/arch/i386/kernel/syscall_table.S @@ -319,3 +319,4 @@ ENTRY(sys_call_table) .long sys_move_pages .long sys_getcpu .long sys_epoll_pwait + .long sys_lutimesat /* 320 */ diff -puN fs/utimes.c~lutimesat-actual-syscall-and-wire-up-on-i386 fs/utimes.c --- a/fs/utimes.c~lutimesat-actual-syscall-and-wire-up-on-i386 +++ a/fs/utimes.c @@ -105,3 +105,12 @@ asmlinkage long sys_utimes(char __user * { return sys_futimesat(AT_FDCWD, filename, utimes); } + +asmlinkage long sys_lutimesat(int dfd, char __user *filename, struct timeval __user *utimes) +{ + struct timeval times[2]; + + if (utimes && copy_from_user(×, utimes, sizeof(times))) + return -EFAULT; + return do_utimes(dfd, filename, utimes ? times : NULL, AT_SYMLINK_NOFOLLOW); +} diff -puN include/asm-i386/unistd.h~lutimesat-actual-syscall-and-wire-up-on-i386 include/asm-i386/unistd.h --- a/include/asm-i386/unistd.h~lutimesat-actual-syscall-and-wire-up-on-i386 +++ a/include/asm-i386/unistd.h @@ -325,10 +325,11 @@ #define __NR_move_pages 317 #define __NR_getcpu 318 #define __NR_epoll_pwait 319 +#define __NR_lutimesat 320 #ifdef __KERNEL__ -#define NR_syscalls 320 +#define NR_syscalls 321 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR _