[PATCH 2/6] move _body_io_syscall to the generic syscall.h
From: Christoph Hellwig <hch@lst.de>
Date: 2018-01-04 08:03:38
Also in:
linux-fsdevel, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
This way it can be used for the fallback 6-argument version on all architectures. Signed-off-by: Christoph Hellwig <hch@lst.de> --- src/syscall-generic.h | 6 ------ src/syscall.h | 7 +++++++ 2 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/src/syscall-generic.h b/src/syscall-generic.h
index 24d7c7c..35b8580 100644
--- a/src/syscall-generic.h
+++ b/src/syscall-generic.h@@ -2,12 +2,6 @@ #include <unistd.h> #include <sys/syscall.h> -#define _body_io_syscall(sname, args...) \ -{ \ - int ret = syscall(__NR_##sname, ## args); \ - return ret < 0 ? -errno : ret; \ -} - #define io_syscall1(type,fname,sname,type1,arg1) \ type fname(type1 arg1) \ _body_io_syscall(sname, (long)arg1)
diff --git a/src/syscall.h b/src/syscall.h
index a2da030..3819519 100644
--- a/src/syscall.h
+++ b/src/syscall.h@@ -10,6 +10,13 @@ #define DEFSYMVER(compat_sym, orig_sym, ver_sym) \ __asm__(".symver " SYMSTR(compat_sym) "," SYMSTR(orig_sym) "@@LIBAIO_" SYMSTR(ver_sym)); +/* generic fallback */ +#define _body_io_syscall(sname, args...) \ +{ \ + int ret = syscall(__NR_##sname, ## args); \ + return ret < 0 ? -errno : ret; \ +} + #if defined(__i386__) #include "syscall-i386.h" #elif defined(__x86_64__)
--
2.14.2
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