btrfs: zero out delayed node upon allocation

It's slightly cleaner to zero-out the delayed node upon allocation
than to do it by hand in btrfs_init_delayed_node() for a few members

Signed-off-by: Alexandru Moise <00moses.alexander00@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 1 insertions, 6 deletions

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index e0941fbb913c..0be47e4b8136 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -54,16 +54,11 @@ static inline void btrfs_init_delayed_node(
         delayed_node->root = root;
         delayed_node->inode_id = inode_id;
         atomic_set(&delayed_node->refs, 0);
-        delayed_node->count = 0;
-        delayed_node->flags = 0;
         delayed_node->ins_root = RB_ROOT;
         delayed_node->del_root = RB_ROOT;
         mutex_init(&delayed_node->mutex);
-        delayed_node->index_cnt = 0;
         INIT_LIST_HEAD(&delayed_node->n_list);
         INIT_LIST_HEAD(&delayed_node->p_list);
-        delayed_node->bytes_reserved = 0;
-        memset(&delayed_node->inode_item, 0, sizeof(delayed_node->inode_item));
 }
 
 static inline int btrfs_is_continuous_delayed_item(
@@ -132,7 +127,7 @@ again:
         if (node)
                 return node;
 
-        node = kmem_cache_alloc(delayed_node_cache, GFP_NOFS);
+        node = kmem_cache_zalloc(delayed_node_cache, GFP_NOFS);
         if (!node)
                 return ERR_PTR(-ENOMEM);
         btrfs_init_delayed_node(node, root, ino);