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switch timerfd compat syscalls to COMPAT_SYSCALL_DEFINE

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... and move them over to fs/timerfd.c.  Cleaner and easier
that way...

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2012-12-27 16:52:33 -05:00
commit 9d94b9e2f3
2 changed files with 66 additions and 60 deletions
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41
fs/compat.c
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@ -1737,47 +1737,6 @@ asmlinkage long compat_sys_signalfd(int ufd,
}
#endif /* CONFIG_SIGNALFD */
#ifdef CONFIG_TIMERFD
asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
const struct compat_itimerspec __user *utmr,
struct compat_itimerspec __user *otmr)
{
int error;
struct itimerspec t;
struct itimerspec __user *ut;
if (get_compat_itimerspec(&t, utmr))
return -EFAULT;
ut = compat_alloc_user_space(2 * sizeof(struct itimerspec));
if (copy_to_user(&ut[0], &t, sizeof(t)))
return -EFAULT;
error = sys_timerfd_settime(ufd, flags, &ut[0], &ut[1]);
if (!error && otmr)
error = (copy_from_user(&t, &ut[1], sizeof(struct itimerspec)) ||
put_compat_itimerspec(otmr, &t)) ? -EFAULT: 0;
return error;
}
asmlinkage long compat_sys_timerfd_gettime(int ufd,
struct compat_itimerspec __user *otmr)
{
int error;
struct itimerspec t;
struct itimerspec __user *ut;
ut = compat_alloc_user_space(sizeof(struct itimerspec));
error = sys_timerfd_gettime(ufd, ut);
if (!error)
error = (copy_from_user(&t, ut, sizeof(struct itimerspec)) ||
put_compat_itimerspec(otmr, &t)) ? -EFAULT: 0;
return error;
}
#endif /* CONFIG_TIMERFD */
#ifdef CONFIG_FHANDLE
/*
* Exactly like fs/open.c:sys_open_by_handle_at(), except that it