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    Subject[PATCH 4/5] MIPS: Add preadv(2) and pwritev(2) syscalls.
    Date
    From: Ralf Baechle <ralf@linux-mips.org>

    From: Ralf Baechle <ralf@linux-mips.org>
    Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
    Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
    ---
    arch/mips/include/asm/unistd.h | 18 ++++++++++++------
    arch/mips/kernel/scall32-o32.S | 2 ++
    arch/mips/kernel/scall64-64.S | 2 ++
    arch/mips/kernel/scall64-n32.S | 2 ++
    arch/mips/kernel/scall64-o32.S | 2 ++
    5 files changed, 20 insertions(+), 6 deletions(-)

    diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
    index a73e153..4000501 100644
    --- a/arch/mips/include/asm/unistd.h
    +++ b/arch/mips/include/asm/unistd.h
    @@ -350,16 +350,18 @@
    #define __NR_dup3 (__NR_Linux + 327)
    #define __NR_pipe2 (__NR_Linux + 328)
    #define __NR_inotify_init1 (__NR_Linux + 329)
    +#define __NR_preadv (__NR_Linux + 330)
    +#define __NR_pwritev (__NR_Linux + 331)

    /*
    * Offset of the last Linux o32 flavoured syscall
    */
    -#define __NR_Linux_syscalls 329
    +#define __NR_Linux_syscalls 331

    #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */

    #define __NR_O32_Linux 4000
    -#define __NR_O32_Linux_syscalls 329
    +#define __NR_O32_Linux_syscalls 331

    #if _MIPS_SIM == _MIPS_SIM_ABI64

    @@ -656,16 +658,18 @@
    #define __NR_dup3 (__NR_Linux + 286)
    #define __NR_pipe2 (__NR_Linux + 287)
    #define __NR_inotify_init1 (__NR_Linux + 288)
    +#define __NR_preadv (__NR_Linux + 289)
    +#define __NR_pwritev (__NR_Linux + 290)

    /*
    * Offset of the last Linux 64-bit flavoured syscall
    */
    -#define __NR_Linux_syscalls 288
    +#define __NR_Linux_syscalls 290

    #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */

    #define __NR_64_Linux 5000
    -#define __NR_64_Linux_syscalls 288
    +#define __NR_64_Linux_syscalls 290

    #if _MIPS_SIM == _MIPS_SIM_NABI32

    @@ -966,16 +970,18 @@
    #define __NR_dup3 (__NR_Linux + 290)
    #define __NR_pipe2 (__NR_Linux + 291)
    #define __NR_inotify_init1 (__NR_Linux + 292)
    +#define __NR_preadv (__NR_Linux + 293)
    +#define __NR_pwritev (__NR_Linux + 294)

    /*
    * Offset of the last N32 flavoured syscall
    */
    -#define __NR_Linux_syscalls 292
    +#define __NR_Linux_syscalls 294

    #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */

    #define __NR_N32_Linux 6000
    -#define __NR_N32_Linux_syscalls 292
    +#define __NR_N32_Linux_syscalls 294

    #ifdef __KERNEL__

    diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
    index 51d1ba4..0198a9c 100644
    --- a/arch/mips/kernel/scall32-o32.S
    +++ b/arch/mips/kernel/scall32-o32.S
    @@ -650,6 +650,8 @@ einval: li v0, -ENOSYS
    sys sys_dup3 3
    sys sys_pipe2 2
    sys sys_inotify_init1 1
    + sys sys_preadv 6 /* 4330 */
    + sys sys_pwritev 6
    .endm

    /* We pre-compute the number of _instruction_ bytes needed to
    diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
    index a9e1716..217e3ce 100644
    --- a/arch/mips/kernel/scall64-64.S
    +++ b/arch/mips/kernel/scall64-64.S
    @@ -487,4 +487,6 @@ sys_call_table:
    PTR sys_dup3
    PTR sys_pipe2
    PTR sys_inotify_init1
    + PTR sys_preadv
    + PTR sys_pwritev /* 5390 */
    .size sys_call_table,.-sys_call_table
    diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
    index 30f3b63..f340963 100644
    --- a/arch/mips/kernel/scall64-n32.S
    +++ b/arch/mips/kernel/scall64-n32.S
    @@ -413,4 +413,6 @@ EXPORT(sysn32_call_table)
    PTR sys_dup3 /* 5290 */
    PTR sys_pipe2
    PTR sys_inotify_init1
    + PTR sys_preadv
    + PTR sys_pwritev
    .size sysn32_call_table,.-sysn32_call_table
    diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
    index fefef4a..b1d281a 100644
    --- a/arch/mips/kernel/scall64-o32.S
    +++ b/arch/mips/kernel/scall64-o32.S
    @@ -533,4 +533,6 @@ sys_call_table:
    PTR sys_dup3
    PTR sys_pipe2
    PTR sys_inotify_init1
    + PTR compat_sys_preadv /* 4330 */
    + PTR compat_sys_pwritev
    .size sys_call_table,.-sys_call_table
    --
    1.6.1


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