Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH] compat: use sys_sendfile64() implementation for sendfile syscall | Date | Mon, 26 Mar 2012 20:45:15 +0000 |
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On Monday 26 March 2012, Chris Metcalf wrote: > <asm-generic/unistd.h> was set up to use sys_sendfile() for the 32-bit > compat API instead of sys_sendfile64(), but in fact the right thing to > do is to use sys_sendfile64() in all cases. The 32-bit sendfile64() API > in glibc uses the sendfile64 syscall, so it has to be capable of doing > full 64-bit operations. But the sys_sendfile() kernel implementation > has a MAX_NON_LFS test in it which explicitly limits the offset to 2^32. > So, we need to use the sys_sendfile64() implementation in the kernel > for this case. > > Cc: <stable@kernel.org> > Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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