tree e15101a2d1302ff6f2830f282197b34060ec963c
parent 9f680ce04ea19dabbbafe01b57b61930a9b70741
author Dan Rosenberg <dan.j.rosenberg@gmail.com> 1273937257 -0400
committer Chris Mason <chris.mason@oracle.com> 1273939550 -0400

Btrfs: check for read permission on src file in the clone ioctl

The existing code would have allowed you to clone a file that was
only open for writing

Signed-off-by: Chris Mason <chris.mason@oracle.com>