On Thu, Aug 23 2007, Dhaval Giani wrote:
> Hi Jens,
>
> The newer glibc does not allow system calls to be made via _syscallN()
> wrapper. They have to be made through syscall(). The ionice code used
> the older interface. Correcting it to use syscall.
>
> Signed-of-by: Dhaval Giani <[email protected]>
>
>
> Index: linux-2.6.23-rc3-mm1/Documentation/block/ioprio.txt
> ===================================================================
> --- linux-2.6.23-rc3-mm1.orig/Documentation/block/ioprio.txt 2007-07-09 05:02:17.000000000 +0530
> +++ linux-2.6.23-rc3-mm1/Documentation/block/ioprio.txt 2007-08-23 13:23:28.000000000 +0530
> @@ -86,8 +86,9 @@ extern int sys_ioprio_get(int, int);
> #error "Unsupported arch"
> #endif
>
> -_syscall3(int, ioprio_set, int, which, int, who, int, ioprio);
> -_syscall2(int, ioprio_get, int, which, int, who);
> +#define ioprio_set(which, who, ioprio) syscall(__NR_ioprio_set, which,\
> + who, ioprio)
> +#define ioprio_get(which, who) syscall(__NR_ioprio_get, which, who)
Agree, it fails as-of recent distros. But I prefer a function instead,
can you resend with something ala:
static inline int ioprio_set(int which, int who, int ioprio)
{
return syscall(__NR_ioprio_set, which, who, ioprio);
}
and ditto for ioprio_get()?
--
Jens Axboe
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