Re: [RFC PATCH 2/6] fs: provide a generic compat_sys_truncate64() implementation

2018-03-19 Thread Kevin Easton
On Sun, Mar 18, 2018 at 05:10:52PM +0100, Dominik Brodowski wrote: > The compat_sys_truncate64() implementations in mips, powerpc, s390, sparc > and x86 only differed based on whether the u64 parameter needed padding > and on its endianness. > ... > +#ifdef __ARCH_WANT_COMPAT_SYS_TRUNCATE64 >

Re: [RFC PATCH 2/6] fs: provide a generic compat_sys_truncate64() implementation

2018-03-18 Thread Linus Torvalds
On Sun, Mar 18, 2018 at 9:10 AM, Dominik Brodowski wrote: > +#ifdef __ARCH_WANT_COMPAT_SYS_TRUNCATE64 > +#if defined(__ARCH_WANT_COMPAT_SYS_WITH_PADDING) && \ > + defined(__ARCH_WANT_LE_COMPAT_SYS) > +COMPAT_SYSCALL_DEFINE4(truncate64, const char __user *, filename, u32 > padding, > +

Re: [RFC PATCH 2/6] fs: provide a generic compat_sys_truncate64() implementation

2018-03-18 Thread Al Viro
On Sun, Mar 18, 2018 at 05:10:52PM +0100, Dominik Brodowski wrote: > +#ifdef __ARCH_WANT_COMPAT_SYS_TRUNCATE64 > +#if defined(__ARCH_WANT_COMPAT_SYS_WITH_PADDING) && \ > + defined(__ARCH_WANT_LE_COMPAT_SYS) > +COMPAT_SYSCALL_DEFINE4(truncate64, const char __user *, filename, u32 > padding, >