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authorDominik Brodowski <linux@dominikbrodowski.net>2018-03-11 11:34:56 +0100
committerDominik Brodowski <linux@dominikbrodowski.net>2018-04-02 20:16:01 +0200
commitbae217ea8c7e123ed3fb1064909a262924771bbb (patch)
tree52e92c1130a87a5985698e469ee8673679553dd2 /init/do_mounts.c
parent2ca2a09d6215fd9621aa3e2db7cc9428a61f2911 (diff)
fs: add ksys_open() wrapper; remove in-kernel calls to sys_open()
Using this wrapper allows us to avoid the in-kernel calls to the sys_open() 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_open(). 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: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'init/do_mounts.c')
-rw-r--r--init/do_mounts.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/init/do_mounts.c b/init/do_mounts.c
index a28dd42d1f84..cc1103477071 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -489,13 +489,13 @@ void __init change_floppy(char *fmt, ...)
va_start(args, fmt);
vsprintf(buf, fmt, args);
va_end(args);
- fd = sys_open("/dev/root", O_RDWR | O_NDELAY, 0);
+ fd = ksys_open("/dev/root", O_RDWR | O_NDELAY, 0);
if (fd >= 0) {
sys_ioctl(fd, FDEJECT, 0);
ksys_close(fd);
}
printk(KERN_NOTICE "VFS: Insert %s and press ENTER\n", buf);
- fd = sys_open("/dev/console", O_RDWR, 0);
+ fd = ksys_open("/dev/console", O_RDWR, 0);
if (fd >= 0) {
sys_ioctl(fd, TCGETS, (long)&termios);
termios.c_lflag &= ~ICANON;