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-rw-r--r--fs/ocfs2/ioctl.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index 4768be5f308..7e59c93751f 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -134,3 +134,26 @@ int ocfs2_ioctl(struct inode * inode, struct file * filp,
}
}
+#ifdef CONFIG_COMPAT
+long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg)
+{
+ struct inode *inode = file->f_path.dentry->d_inode;
+ int ret;
+
+ switch (cmd) {
+ case OCFS2_IOC32_GETFLAGS:
+ cmd = OCFS2_IOC_GETFLAGS;
+ break;
+ case OCFS2_IOC32_SETFLAGS:
+ cmd = OCFS2_IOC_SETFLAGS;
+ break;
+ default:
+ return -ENOIOCTLCMD;
+ }
+
+ lock_kernel();
+ ret = ocfs2_ioctl(inode, file, cmd, arg);
+ unlock_kernel();
+ return ret;
+}
+#endif