From 586d232b191b776a1c6d51c10c662b8b3e238fdf Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Fri, 9 Mar 2007 15:56:28 -0800 Subject: ocfs2: Implement compat_ioctl() We need this to support 32 bit system calls on 64 bit kernels. Signed-off-by: Mark Fasheh --- fs/ocfs2/ioctl.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'fs/ocfs2/ioctl.c') 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 -- cgit v1.2.3