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authorAl Viro <viro@zeniv.linux.org.uk>2013-02-25 18:42:04 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-03-03 23:00:23 -0500
commitd5dc77bfeeab0b03a32e3db5e31e2f64605634ab (patch)
tree7cdf557d1310db607d164d576d8cc5799d4aaf36 /fs/dcookies.c
parent76b021d053ed0b8de9689eefca5e8f53dade7fd7 (diff)
downloadlinux-d5dc77bfeeab0b03a32e3db5e31e2f64605634ab.tar.bz2
consolidate compat lookup_dcookie()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/dcookies.c')
-rw-r--r--fs/dcookies.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/dcookies.c b/fs/dcookies.c
index f08375b97ffb..ab5954b50267 100644
--- a/fs/dcookies.c
+++ b/fs/dcookies.c
@@ -25,6 +25,7 @@
#include <linux/dcookies.h>
#include <linux/mutex.h>
#include <linux/path.h>
+#include <linux/compat.h>
#include <asm/uaccess.h>
/* The dcookies are allocated from a kmem_cache and
@@ -202,6 +203,17 @@ out:
return err;
}
+#ifdef CONFIG_COMPAT
+COMPAT_SYSCALL_DEFINE4(lookup_dcookie, u32, w0, u32, w1, char __user *, buf, size_t, len)
+{
+#ifdef __BIG_ENDIAN
+ return sys_lookup_dcookie(((u64)w0 << 32) | w1, buf, len);
+#else
+ return sys_lookup_dcookie(((u64)w1 << 32) | w0, buf, len);
+#endif
+}
+#endif
+
static int dcookie_init(void)
{
struct list_head * d;