From 76847e4344350970e1c2e27c28b5abb3c588c5b3 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Tue, 13 Mar 2018 21:51:17 +0100 Subject: fs: add ksys_lseek() helper; remove in-kernel calls to sys_lseek() Using this helper allows us to avoid the in-kernel calls to the sys_lseek() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_lseek(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- include/linux/syscalls.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux') diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 5a959efd8fb7..0f24e5334569 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -958,6 +958,7 @@ int ksys_fchown(unsigned int fd, uid_t user, gid_t group); int ksys_getdents64(unsigned int fd, struct linux_dirent64 __user *dirent, unsigned int count); int ksys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg); +off_t ksys_lseek(unsigned int fd, off_t offset, unsigned int whence); /* * The following kernel syscall equivalents are just wrappers to fs-internal -- cgit v1.2.3