tree 7daee1b3fc0060d4ae84925a6f8358b4ff95d7b4
parent 744f52f997b21de2a01931f79cf6c198bf688120
author Yan <yanzheng@21cn.com> 1200335168 -0500
committer Chris Mason <chris.mason@oracle.com> 1222355039 -0400

Btrfs: Add readonly inode flag

This patch adds readonly inode flag support.  A file with this flag
can't be modified, but can be deleted.

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