From 7a8e0c8d9af43c9dfc62a8b2b9cc0484f48f7da4 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Fri, 27 Jul 2007 12:29:16 +0200 Subject: [S390] Wire up sys_fallocate. This patch implements support of fallocate system call on s390(x) platform. A wrapper is added to address the issue which s390 ABI has with the arguments of this system call. Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/compat_wrapper.S | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'arch/s390/kernel/compat_wrapper.S') diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index acc415457b45..6ee1bedbd1bf 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -1710,3 +1710,13 @@ compat_sys_timerfd_wrapper: sys_eventfd_wrapper: llgfr %r2,%r2 # unsigned int jg sys_eventfd + + .globl sys_fallocate_wrapper +sys_fallocate_wrapper: + lgfr %r2,%r2 # int + lgfr %r3,%r3 # int + sllg %r4,%r4,32 # get high word of 64bit loff_t + lr %r4,%r5 # get low word of 64bit loff_t + sllg %r5,%r6,32 # get high word of 64bit loff_t + l %r5,164(%r15) # get low word of 64bit loff_t + jg sys_fallocate -- cgit v1.2.1