Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH v2] compat: fs: Generic compat_sys_sendfile implementation | Date | Wed, 19 Sep 2012 11:13:26 +0000 |
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On Wednesday 19 September 2012, Catalin Marinas wrote: > > This function is used by sparc, powerpc and arm64 for compat support. > The patch adds a generic implementation which calls do_sendfile() > directly and avoids set_fs(). > > The sparc architecture has wrappers for the sign extensions while > powerpc relies on the compiler to do the this. The patch adds wrappers > for powerpc to handle the u32->int type conversion. > > compat_sys_sendfile64() can be replaced by a sys_sendfile() call since > compat_loff_t has the same size as off_t on a 64-bit system. > > On powerpc, the patch also changes the 64-bit sendfile call from > sys_sendile64 to sys_sendfile. > > Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> > Acked-by: David S. Miller <davem@davemloft.net> > Cc: Arnd Bergmann <arnd@arndb.de> > Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> > Cc: Paul Mackerras <paulus@samba.org> > Cc: Alexander Viro <viro@zeniv.linux.org.uk> > Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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