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authorH. Peter Anvin <hpa@zytor.com>2010-02-22 16:20:34 -0800
committerH. Peter Anvin <hpa@zytor.com>2010-02-22 16:20:34 -0800
commitd02e30c31c57683a66ed68a1bcff900ca78f6d56 (patch)
treec3ce99a00061bcc1199b50fa838147d876c56717 /fs/ocfs2/ioctl.c
parent0fdc7a8022c3eaff6b5ee27ffb9e913e5e58d8e9 (diff)
parentaef55d4922e62a0d887e60d87319f3718aec6ced (diff)
Merge branch 'x86/irq' into x86/apic
Merge reason: Conflicts in arch/x86/kernel/apic/io_apic.c Resolved Conflicts: arch/x86/kernel/apic/io_apic.c Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'fs/ocfs2/ioctl.c')
-rw-r--r--fs/ocfs2/ioctl.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index 31fbb0619510..7d9d9c132cef 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -7,6 +7,7 @@
#include <linux/fs.h>
#include <linux/mount.h>
+#include <linux/compat.h>
#define MLOG_MASK_PREFIX ML_INODE
#include <cluster/masklog.h>
@@ -181,6 +182,10 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
#ifdef CONFIG_COMPAT
long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg)
{
+ bool preserve;
+ struct reflink_arguments args;
+ struct inode *inode = file->f_path.dentry->d_inode;
+
switch (cmd) {
case OCFS2_IOC32_GETFLAGS:
cmd = OCFS2_IOC_GETFLAGS;
@@ -195,8 +200,15 @@ 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;
+ case OCFS2_IOC_REFLINK:
+ if (copy_from_user(&args, (struct reflink_arguments *)arg,
+ sizeof(args)))
+ return -EFAULT;
+ preserve = (args.preserve != 0);
+
+ return ocfs2_reflink_ioctl(inode, compat_ptr(args.old_path),
+ compat_ptr(args.new_path), preserve);
default:
return -ENOIOCTLCMD;
}