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authorDominik Brodowski <linux@dominikbrodowski.net>2018-03-11 13:34:56 +0300
committerDominik Brodowski <linux@dominikbrodowski.net>2018-04-02 21:16:01 +0300
commitbae217ea8c7e123ed3fb1064909a262924771bbb (patch)
tree52e92c1130a87a5985698e469ee8673679553dd2 /init/do_mounts_rd.c
parent2ca2a09d6215fd9621aa3e2db7cc9428a61f2911 (diff)
downloadlinux-bae217ea8c7e123ed3fb1064909a262924771bbb.tar.xz
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_rd.c')
-rw-r--r--init/do_mounts_rd.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c
index f1aa341862d3..a6706314baa7 100644
--- a/init/do_mounts_rd.c
+++ b/init/do_mounts_rd.c
@@ -196,11 +196,11 @@ int __init rd_load_image(char *from)
char rotator[4] = { '|' , '/' , '-' , '\\' };
#endif
- out_fd = sys_open("/dev/ram", O_RDWR, 0);
+ out_fd = ksys_open("/dev/ram", O_RDWR, 0);
if (out_fd < 0)
goto out;
- in_fd = sys_open(from, O_RDONLY, 0);
+ in_fd = ksys_open(from, O_RDONLY, 0);
if (in_fd < 0)
goto noclose_input;
@@ -262,7 +262,7 @@ int __init rd_load_image(char *from)
goto noclose_input;
}
change_floppy("disk #%d", disk);
- in_fd = sys_open(from, O_RDONLY, 0);
+ in_fd = ksys_open(from, O_RDONLY, 0);
if (in_fd < 0) {
printk("Error opening disk.\n");
goto noclose_input;