Ensure indexblock is clean when truncate finished.

When truncate finishes and we are about to delete the inode,
we need to have the index block clean and unpinned so it can disappear
cleanly.
lafs_cluster_allocate nicely does this for us.

Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/inode.c b/inode.c
index 6baf137838db691291526b1cd309a4947a7553a2..a837d44a0640fd156b5dbc029cbb02de98dfb640 100644 (file)
--- a/inode.c
+++ b/inode.c
@@ -743,7 +743,13 @@ void lafs_inode_handle_orphan(struct datablock *b)
        if (LAFSI(ino)->depth == 0) {
                /* Nothing to truncate */
                clear_bit(I_Trunc, &LAFSI(ino)->iflags);
-               lafs_iounlock_block(&ib->b);
+               if (test_bit(B_Pinned, &ib->b.flags))
+                       /* Need to move the dirtiness which keeps this
+                        * pinned to the data block.  
+                        */
+                       lafs_cluster_allocate(&ib->b, 0);
+               else
+                       lafs_iounlock_block(&ib->b);
                putiref(ib, MKREF(inode_handle_orphan3));
                goto restart;
        }