X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_rename.c;h=1f148762eb28e01b7854e4e7d412242a0e8c6cec;hb=e44e20ff1273cf96c7f195297208f654c49295cf;hp=4d4e8f4e768e09640b48dc3f843b82414448b5a1;hpb=18ce920a6eba05c0d55cdc95fbbadf7e4c4b457b;p=linux-2.6-omap-h63xx.git

diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c
index 4d4e8f4e768..1f148762eb2 100644
--- a/fs/xfs/xfs_rename.c
+++ b/fs/xfs/xfs_rename.c
@@ -243,7 +243,6 @@ xfs_rename(
 	xfs_inode_t	*inodes[4];
 	int		target_ip_dropped = 0;	/* dropped target_ip link? */
 	vnode_t		*src_dir_vp;
-	bhv_desc_t	*target_dir_bdp;
 	int		spaceres;
 	int		target_link_zero = 0;
 	int		num_inodes;
@@ -260,14 +259,12 @@ xfs_rename(
 	 * Find the XFS behavior descriptor for the target directory
 	 * vnode since it was not handed to us.
 	 */
-	target_dir_bdp = vn_bhv_lookup_unlocked(VN_BHV_HEAD(target_dir_vp),
-						&xfs_vnodeops);
-	if (target_dir_bdp == NULL) {
+	target_dp = xfs_vtoi(target_dir_vp);
+	if (target_dp == NULL) {
 		return XFS_ERROR(EXDEV);
 	}
 
 	src_dp = XFS_BHVTOI(src_dir_bdp);
-	target_dp = XFS_BHVTOI(target_dir_bdp);
 	mp = src_dp->i_mount;
 
 	if (DM_EVENT_ENABLED(src_dir_vp->v_vfsp, src_dp, DM_EVENT_RENAME) ||
@@ -319,6 +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);