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authorUlrich Drepper <drepper@redhat.com>2006-02-24 13:04:21 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-24 14:31:39 -0800
commitc04030e16dbea2f7581f82cc6688695927f6ac5b (patch)
tree7ff5cd2494a133f1bf571f7af02e656bb01d124f /arch
parentee713059d4922e4ee17700496d9eb3b95b1ab836 (diff)
[PATCH] flags parameter for linkat
I'm currently at the POSIX meeting and one thing covered was the incompatibility of Linux's link() with the POSIX definition. The name. Linux does not follow symlinks, POSIX requires it does. Even if somebody thinks this is a good default behavior we cannot change this because it would break the ABI. But the fact remains that some application might want this behavior. We have one chance to help implementing this without breaking the behavior. For this we could use the new linkat interface which would need a new flags parameter. If the new parameter is AT_SYMLINK_FOLLOW the new behavior could be invoked. I do not want to introduce such a patch now. But we could add the parameter now, just don't use it. The patch below would do this. Can we get this late patch applied before the release more or less fixes the syscall API? Signed-off-by: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/kernel/scall32-o32.S2
-rw-r--r--arch/s390/kernel/compat_wrapper.S1
2 files changed, 2 insertions, 1 deletions
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index d83e033dbc8..2f2dc54b2e2 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -626,7 +626,7 @@ einval: li v0, -EINVAL
sys sys_fstatat64 4
sys sys_unlinkat 3
sys sys_renameat 4 /* 4295 */
- sys sys_linkat 4
+ sys sys_linkat 5
sys sys_symlinkat 3
sys sys_readlinkat 4
sys sys_fchmodat 3
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 615964cca15..50e80138e7a 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1552,6 +1552,7 @@ sys_linkat_wrapper:
llgtr %r3,%r3 # const char *
lgfr %r4,%r4 # int
llgtr %r5,%r5 # const char *
+ lgfr %r6,%r6 # int
jg sys_linkat
.globl sys_symlinkat_wrapper