Merge branch 'stable/generic' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

[pandora-kernel.git] / arch / powerpc / platforms / cell / spufs / inode.c

diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 5aef1a7..856e9c3 100644 (file)
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -71,12 +71,18 @@ spufs_alloc_inode(struct super_block *sb)
        return &ei->vfs_inode;
 }
 
-static void
-spufs_destroy_inode(struct inode *inode)
+static void spufs_i_callback(struct rcu_head *head)
 {
+       struct inode *inode = container_of(head, struct inode, i_rcu);
+       INIT_LIST_HEAD(&inode->i_dentry);
        kmem_cache_free(spufs_inode_cache, SPUFS_I(inode));
 }
 
+static void spufs_destroy_inode(struct inode *inode)
+{
+       call_rcu(&inode->i_rcu, spufs_i_callback);
+}
+
 static void
 spufs_init_once(void *p)
 {
@@ -159,21 +165,18 @@ static void spufs_prune_dir(struct dentry *dir)
 
        mutex_lock(&dir->d_inode->i_mutex);
        list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_u.d_child) {
-               spin_lock(&dcache_lock);
                spin_lock(&dentry->d_lock);
                if (!(d_unhashed(dentry)) && dentry->d_inode) {
-                       dget_locked_dlock(dentry);
+                       dget_dlock(dentry);
                        __d_drop(dentry);
                        spin_unlock(&dentry->d_lock);
                        simple_unlink(dir->d_inode, dentry);
-                       /* XXX: what is dcache_lock protecting here? Other
+                       /* XXX: what was dcache_lock protecting here? Other
                         * filesystems (IB, configfs) release dcache_lock
                         * before unlink */
-                       spin_unlock(&dcache_lock);
                        dput(dentry);
                } else {
                        spin_unlock(&dentry->d_lock);
-                       spin_unlock(&dcache_lock);
                }
        }
        shrink_dcache_parent(dir);