Re: [PATCH 3/5] Add preadv and pwritev system calls.
From: Arnd Bergmann <arnd@arndb.de>
Date: 2009-01-16 17:34:18
Also in:
linux-arch, lkml
On Friday 16 January 2009, Gerd Hoffmann wrote:
quoted hunk ↗ jump to hunk
+asmlinkage ssize_t compat_sys_preadv(unsigned long fd, + const struct compat_iovec __user *vec, + unsigned long vlen, u32 pos_high, u32 pos_low); +asmlinkage ssize_t compat_sys_pwritev(unsigned long fd, + const struct compat_iovec __user *vec, + unsigned long vlen, u32 pos_high, u32 pos_low); int compat_do_execve(char * filename, compat_uptr_t __user *argv, compat_uptr_t __user *envp, struct pt_regs * regs);diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 16875f8..333377e 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h@@ -456,6 +456,10 @@ asmlinkage long sys_pread64(unsigned int fd, char __user *buf,size_t count, loff_t pos); asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf, size_t count, loff_t pos); +asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec, + unsigned long vlen, u32 pos_high, u32 pos_low); +asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec, + unsigned long vlen, u32 pos_high, u32 pos_low);
Conventionally, the 'fd' argument has type 'int', not 'unsigned long', but you evidently copied this from readv/writev, so you can't really be blamed for it. Not sure what the right thing to do here is. Arnd <><