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Diffstat (limited to 'fs/ocfs2/ioctl.c')
-rw-r--r--fs/ocfs2/ioctl.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index 467b413bec21..31fbb0619510 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -21,6 +21,7 @@
#include "ocfs2_fs.h"
#include "ioctl.h"
#include "resize.h"
+#include "refcounttree.h"
#include <linux/ext2_fs.h>
@@ -115,6 +116,9 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
int status;
struct ocfs2_space_resv sr;
struct ocfs2_new_group_input input;
+ struct reflink_arguments args;
+ const char *old_path, *new_path;
+ bool preserve;
switch (cmd) {
case OCFS2_IOC_GETFLAGS:
@@ -160,6 +164,15 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return -EFAULT;
return ocfs2_group_add(inode, &input);
+ case OCFS2_IOC_REFLINK:
+ if (copy_from_user(&args, (struct reflink_arguments *)arg,
+ sizeof(args)))
+ return -EFAULT;
+ old_path = (const char *)(unsigned long)args.old_path;
+ new_path = (const char *)(unsigned long)args.new_path;
+ preserve = (args.preserve != 0);
+
+ return ocfs2_reflink_ioctl(inode, old_path, new_path, preserve);
default:
return -ENOTTY;
}
@@ -182,6 +195,7 @@ long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg)
case OCFS2_IOC_GROUP_EXTEND:
case OCFS2_IOC_GROUP_ADD:
case OCFS2_IOC_GROUP_ADD64:
+ case OCFS2_IOC_REFLINK:
break;
default:
return -ENOIOCTLCMD;