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powerpc: wire up preadv2 and pwritev2 syscalls 

Wire up preadv2/pwritev2 in the same way as preadv/pwritev. Fixes two
build warnings on ppc64.

mpe: Lightly tested with fio (slightly hacked to add the syscall
wrappers):

  fio-4217  [009] ....  1304.635300: sys_preadv2(fd: 3, vec:
  10025821de0, vlen: 1, pos_l: 6253000, pos_h: 0, flags: 1)
  fio-4217  [009] ....  1304.635474: sys_preadv2 -> 0x1000

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Rui Salvaterra 2016-04-19 13:23:36 +01:00 committed by Michael Ellerman
parent 2bc79ffcbb
commit d701cca674
3 changed files with 5 additions and 1 deletions
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2
arch/powerpc/include/asm/systbl.h
View File

@ -384,3 +384,5 @@ SYSCALL(ni_syscall)
SYSCALL(ni_syscall)
SYSCALL(mlock2)
SYSCALL(copy_file_range)
COMPAT_SYS_SPU(preadv2)
COMPAT_SYS_SPU(pwritev2)

2
arch/powerpc/include/asm/unistd.h
View File

@ -12,7 +12,7 @@
#include <uapi/asm/unistd.h>
#define NR_syscalls 380
#define NR_syscalls 382
#define __NR__exit __NR_exit

2
arch/powerpc/include/uapi/asm/unistd.h
View File

@ -390,5 +390,7 @@
#define __NR_membarrier 365
#define __NR_mlock2 378
#define __NR_copy_file_range 379
#define __NR_preadv2 380
#define __NR_pwritev2 381
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */