- 2.6.17 port work build breaks, but the patch set is relativly stable

[linux-flexiantxendom0-3.2.10.git] / fs / xfs / xfs_rename.c

diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c
index 81a05cf..1f14876 100644 (file)
--- a/fs/xfs/xfs_rename.c
+++ b/fs/xfs/xfs_rename.c
@@ -316,6 +316,18 @@ xfs_rename(
                }
        }
 
+       /*
+        * If we are using project inheritance, we only allow renames
+        * into our tree when the project IDs are the same; else the
+        * tree quota mechanism would be circumvented.
+        */
+       if (unlikely((target_dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) &&
+                    (target_dp->i_d.di_projid != src_ip->i_d.di_projid))) {
+               error = XFS_ERROR(EXDEV);
+               xfs_rename_unlock4(inodes, XFS_ILOCK_SHARED);
+               goto rele_return;
+       }
+
        new_parent = (src_dp != target_dp);
        src_is_directory = ((src_ip->i_d.di_mode & S_IFMT) == S_IFDIR);