1 files changed, 52 insertions, 53 deletions

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 80982a83c9fd..8ae409b5a61d 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -52,7 +52,7 @@ static inline void btrfs_init_delayed_node(
 {
 	delayed_node->root = root;
 	delayed_node->inode_id = inode_id;
-	atomic_set(&delayed_node->refs, 0);
+	refcount_set(&delayed_node->refs, 0);
 	delayed_node->ins_root = RB_ROOT;
 	delayed_node->del_root = RB_ROOT;
 	mutex_init(&delayed_node->mutex);
@@ -72,16 +72,16 @@ static inline int btrfs_is_continuous_delayed_item(
 	return 0;
 }
 
-static struct btrfs_delayed_node *btrfs_get_delayed_node(struct inode *inode)
+static struct btrfs_delayed_node *btrfs_get_delayed_node(
+		struct btrfs_inode *btrfs_inode)
 {
-	struct btrfs_inode *btrfs_inode = BTRFS_I(inode);
 	struct btrfs_root *root = btrfs_inode->root;
-	u64 ino = btrfs_ino(inode);
+	u64 ino = btrfs_ino(btrfs_inode);
 	struct btrfs_delayed_node *node;
 
-	node = ACCESS_ONCE(btrfs_inode->delayed_node);
+	node = READ_ONCE(btrfs_inode->delayed_node);
 	if (node) {
-		atomic_inc(&node->refs);
+		refcount_inc(&node->refs);
 		return node;
 	}
 
@@ -89,14 +89,14 @@ static struct btrfs_delayed_node *btrfs_get_delayed_node(struct inode *inode)
 	node = radix_tree_lookup(&root->delayed_nodes_tree, ino);
 	if (node) {
 		if (btrfs_inode->delayed_node) {
-			atomic_inc(&node->refs);	/* can be accessed */
+			refcount_inc(&node->refs);	/* can be accessed */
 			BUG_ON(btrfs_inode->delayed_node != node);
 			spin_unlock(&root->inode_lock);
 			return node;
 		}
 		btrfs_inode->delayed_node = node;
 		/* can be accessed and cached in the inode */
-		atomic_add(2, &node->refs);
+		refcount_add(2, &node->refs);
 		spin_unlock(&root->inode_lock);
 		return node;
 	}
@@ -107,16 +107,15 @@ static struct btrfs_delayed_node *btrfs_get_delayed_node(struct inode *inode)
 
 /* Will return either the node or PTR_ERR(-ENOMEM) */
 static struct btrfs_delayed_node *btrfs_get_or_create_delayed_node(
-							struct inode *inode)
+		struct btrfs_inode *btrfs_inode)
 {
 	struct btrfs_delayed_node *node;
-	struct btrfs_inode *btrfs_inode = BTRFS_I(inode);
 	struct btrfs_root *root = btrfs_inode->root;
-	u64 ino = btrfs_ino(inode);
+	u64 ino = btrfs_ino(btrfs_inode);
 	int ret;
 
 again:
-	node = btrfs_get_delayed_node(inode);
+	node = btrfs_get_delayed_node(btrfs_inode);
 	if (node)
 		return node;
 
@@ -126,7 +125,7 @@ again:
 	btrfs_init_delayed_node(node, root, ino);
 
 	/* cached in the btrfs inode and can be accessed */
-	atomic_add(2, &node->refs);
+	refcount_set(&node->refs, 2);
 
 	ret = radix_tree_preload(GFP_NOFS);
 	if (ret) {
@@ -167,7 +166,7 @@ static void btrfs_queue_delayed_node(struct btrfs_delayed_root *root,
 	} else {
 		list_add_tail(&node->n_list, &root->node_list);
 		list_add_tail(&node->p_list, &root->prepare_list);
-		atomic_inc(&node->refs);	/* inserted into list */
+		refcount_inc(&node->refs);	/* inserted into list */
 		root->nodes++;
 		set_bit(BTRFS_DELAYED_NODE_IN_LIST, &node->flags);
 	}
@@ -181,7 +180,7 @@ static void btrfs_dequeue_delayed_node(struct btrfs_delayed_root *root,
 	spin_lock(&root->lock);
 	if (test_bit(BTRFS_DELAYED_NODE_IN_LIST, &node->flags)) {
 		root->nodes--;
-		atomic_dec(&node->refs);	/* not in the list */
+		refcount_dec(&node->refs);	/* not in the list */
 		list_del_init(&node->n_list);
 		if (!list_empty(&node->p_list))
 			list_del_init(&node->p_list);
@@ -202,7 +201,7 @@ static struct btrfs_delayed_node *btrfs_first_delayed_node(
 
 	p = delayed_root->node_list.next;
 	node = list_entry(p, struct btrfs_delayed_node, n_list);
-	atomic_inc(&node->refs);
+	refcount_inc(&node->refs);
 out:
 	spin_unlock(&delayed_root->lock);
 
@@ -229,7 +228,7 @@ static struct btrfs_delayed_node *btrfs_next_delayed_node(
 		p = node->n_list.next;
 
 	next = list_entry(p, struct btrfs_delayed_node, n_list);
-	atomic_inc(&next->refs);
+	refcount_inc(&next->refs);
 out:
 	spin_unlock(&delayed_root->lock);
 
@@ -254,11 +253,11 @@ static void __btrfs_release_delayed_node(
 		btrfs_dequeue_delayed_node(delayed_root, delayed_node);
 	mutex_unlock(&delayed_node->mutex);
 
-	if (atomic_dec_and_test(&delayed_node->refs)) {
+	if (refcount_dec_and_test(&delayed_node->refs)) {
 		bool free = false;
 		struct btrfs_root *root = delayed_node->root;
 		spin_lock(&root->inode_lock);
-		if (atomic_read(&delayed_node->refs) == 0) {
+		if (refcount_read(&delayed_node->refs) == 0) {
 			radix_tree_delete(&root->delayed_nodes_tree,
 					  delayed_node->inode_id);
 			free = true;
@@ -287,7 +286,7 @@ static struct btrfs_delayed_node *btrfs_first_prepared_delayed_node(
 	p = delayed_root->prepare_list.next;
 	list_del_init(p);
 	node = list_entry(p, struct btrfs_delayed_node, p_list);
-	atomic_inc(&node->refs);
+	refcount_inc(&node->refs);
 out:
 	spin_unlock(&delayed_root->lock);
 
@@ -309,7 +308,7 @@ static struct btrfs_delayed_item *btrfs_alloc_delayed_item(u32 data_len)
 		item->ins_or_del = 0;
 		item->bytes_reserved = 0;
 		item->delayed_node = NULL;
-		atomic_set(&item->refs, 1);
+		refcount_set(&item->refs, 1);
 	}
 	return item;
 }
@@ -484,7 +483,7 @@ static void btrfs_release_delayed_item(struct btrfs_delayed_item *item)
 {
 	if (item) {
 		__btrfs_remove_delayed_item(item);
-		if (atomic_dec_and_test(&item->refs))
+		if (refcount_dec_and_test(&item->refs))
 			kfree(item);
 	}
 }
@@ -574,7 +573,7 @@ static void btrfs_delayed_item_release_metadata(struct btrfs_fs_info *fs_info,
 static int btrfs_delayed_inode_reserve_metadata(
 					struct btrfs_trans_handle *trans,
 					struct btrfs_root *root,
-					struct inode *inode,
+					struct btrfs_inode *inode,
 					struct btrfs_delayed_node *node)
 {
 	struct btrfs_fs_info *fs_info = root->fs_info;
@@ -603,13 +602,13 @@ static int btrfs_delayed_inode_reserve_metadata(
 	 * worth which is less likely to hurt us.
 	 */
 	if (src_rsv && src_rsv->type == BTRFS_BLOCK_RSV_DELALLOC) {
-		spin_lock(&BTRFS_I(inode)->lock);
+		spin_lock(&inode->lock);
 		if (test_and_clear_bit(BTRFS_INODE_DELALLOC_META_RESERVED,
-				       &BTRFS_I(inode)->runtime_flags))
+				       &inode->runtime_flags))
 			release = true;
 		else
 			src_rsv = NULL;
-		spin_unlock(&BTRFS_I(inode)->lock);
+		spin_unlock(&inode->lock);
 	}
 
 	/*
@@ -1196,7 +1195,7 @@ int btrfs_run_delayed_items_nr(struct btrfs_trans_handle *trans,
 }
 
 int btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans,
-				     struct inode *inode)
+				     struct btrfs_inode *inode)
 {
 	struct btrfs_delayed_node *delayed_node = btrfs_get_delayed_node(inode);
 	struct btrfs_path *path;
@@ -1233,9 +1232,9 @@ int btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans,
 	return ret;
 }
 
-int btrfs_commit_inode_delayed_inode(struct inode *inode)
+int btrfs_commit_inode_delayed_inode(struct btrfs_inode *inode)
 {
-	struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
+	struct btrfs_fs_info *fs_info = btrfs_sb(inode->vfs_inode.i_sb);
 	struct btrfs_trans_handle *trans;
 	struct btrfs_delayed_node *delayed_node = btrfs_get_delayed_node(inode);
 	struct btrfs_path *path;
@@ -1288,15 +1287,15 @@ out:
 	return ret;
 }
 
-void btrfs_remove_delayed_node(struct inode *inode)
+void btrfs_remove_delayed_node(struct btrfs_inode *inode)
 {
 	struct btrfs_delayed_node *delayed_node;
 
-	delayed_node = ACCESS_ONCE(BTRFS_I(inode)->delayed_node);
+	delayed_node = READ_ONCE(inode->delayed_node);
 	if (!delayed_node)
 		return;
 
-	BTRFS_I(inode)->delayed_node = NULL;
+	inode->delayed_node = NULL;
 	btrfs_release_delayed_node(delayed_node);
 }
 
@@ -1434,7 +1433,7 @@ void btrfs_balance_delayed_items(struct btrfs_fs_info *fs_info)
 int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans,
 				   struct btrfs_fs_info *fs_info,
 				   const char *name, int name_len,
-				   struct inode *dir,
+				   struct btrfs_inode *dir,
 				   struct btrfs_disk_key *disk_key, u8 type,
 				   u64 index)
 {
@@ -1510,7 +1509,7 @@ static int btrfs_delete_delayed_insertion_item(struct btrfs_fs_info *fs_info,
 
 int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans,
 				   struct btrfs_fs_info *fs_info,
-				   struct inode *dir, u64 index)
+				   struct btrfs_inode *dir, u64 index)
 {
 	struct btrfs_delayed_node *node;
 	struct btrfs_delayed_item *item;
@@ -1558,7 +1557,7 @@ end:
 	return ret;
 }
 
-int btrfs_inode_delayed_dir_index_count(struct inode *inode)
+int btrfs_inode_delayed_dir_index_count(struct btrfs_inode *inode)
 {
 	struct btrfs_delayed_node *delayed_node = btrfs_get_delayed_node(inode);
 
@@ -1575,7 +1574,7 @@ int btrfs_inode_delayed_dir_index_count(struct inode *inode)
 		return -EINVAL;
 	}
 
-	BTRFS_I(inode)->index_cnt = delayed_node->index_cnt;
+	inode->index_cnt = delayed_node->index_cnt;
 	btrfs_release_delayed_node(delayed_node);
 	return 0;
 }
@@ -1587,7 +1586,7 @@ bool btrfs_readdir_get_delayed_items(struct inode *inode,
 	struct btrfs_delayed_node *delayed_node;
 	struct btrfs_delayed_item *item;
 
-	delayed_node = btrfs_get_delayed_node(inode);
+	delayed_node = btrfs_get_delayed_node(BTRFS_I(inode));
 	if (!delayed_node)
 		return false;
 
@@ -1601,14 +1600,14 @@ bool btrfs_readdir_get_delayed_items(struct inode *inode,
 	mutex_lock(&delayed_node->mutex);
 	item = __btrfs_first_delayed_insertion_item(delayed_node);
 	while (item) {
-		atomic_inc(&item->refs);
+		refcount_inc(&item->refs);
 		list_add_tail(&item->readdir_list, ins_list);
 		item = __btrfs_next_delayed_item(item);
 	}
 
 	item = __btrfs_first_delayed_deletion_item(delayed_node);
 	while (item) {
-		atomic_inc(&item->refs);
+		refcount_inc(&item->refs);
 		list_add_tail(&item->readdir_list, del_list);
 		item = __btrfs_next_delayed_item(item);
 	}
@@ -1622,7 +1621,7 @@ bool btrfs_readdir_get_delayed_items(struct inode *inode,
 	 * insert/delete delayed items in this period. So we also needn't
 	 * requeue or dequeue this delayed node.
 	 */
-	atomic_dec(&delayed_node->refs);
+	refcount_dec(&delayed_node->refs);
 
 	return true;
 }
@@ -1635,13 +1634,13 @@ void btrfs_readdir_put_delayed_items(struct inode *inode,
 
 	list_for_each_entry_safe(curr, next, ins_list, readdir_list) {
 		list_del(&curr->readdir_list);
-		if (atomic_dec_and_test(&curr->refs))
+		if (refcount_dec_and_test(&curr->refs))
 			kfree(curr);
 	}
 
 	list_for_each_entry_safe(curr, next, del_list, readdir_list) {
 		list_del(&curr->readdir_list);
-		if (atomic_dec_and_test(&curr->refs))
+		if (refcount_dec_and_test(&curr->refs))
 			kfree(curr);
 	}
 
@@ -1668,7 +1667,7 @@ int btrfs_should_delete_dir_index(struct list_head *del_list,
 		list_del(&curr->readdir_list);
 		ret = (curr->key.offset == index);
 
-		if (atomic_dec_and_test(&curr->refs))
+		if (refcount_dec_and_test(&curr->refs))
 			kfree(curr);
 
 		if (ret)
@@ -1706,7 +1705,7 @@ int btrfs_readdir_delayed_dir_index(struct dir_context *ctx,
 		list_del(&curr->readdir_list);
 
 		if (curr->key.offset < ctx->pos) {
-			if (atomic_dec_and_test(&curr->refs))
+			if (refcount_dec_and_test(&curr->refs))
 				kfree(curr);
 			continue;
 		}
@@ -1723,7 +1722,7 @@ int btrfs_readdir_delayed_dir_index(struct dir_context *ctx,
 		over = !dir_emit(ctx, name, name_len,
 			       location.objectid, d_type);
 
-		if (atomic_dec_and_test(&curr->refs))
+		if (refcount_dec_and_test(&curr->refs))
 			kfree(curr);
 
 		if (over)
@@ -1776,7 +1775,7 @@ int btrfs_fill_inode(struct inode *inode, u32 *rdev)
 	struct btrfs_delayed_node *delayed_node;
 	struct btrfs_inode_item *inode_item;
 
-	delayed_node = btrfs_get_delayed_node(inode);
+	delayed_node = btrfs_get_delayed_node(BTRFS_I(inode));
 	if (!delayed_node)
 		return -ENOENT;
 
@@ -1791,7 +1790,7 @@ int btrfs_fill_inode(struct inode *inode, u32 *rdev)
 
 	i_uid_write(inode, btrfs_stack_inode_uid(inode_item));
 	i_gid_write(inode, btrfs_stack_inode_gid(inode_item));
-	btrfs_i_size_write(inode, btrfs_stack_inode_size(inode_item));
+	btrfs_i_size_write(BTRFS_I(inode), btrfs_stack_inode_size(inode_item));
 	inode->i_mode = btrfs_stack_inode_mode(inode_item);
 	set_nlink(inode, btrfs_stack_inode_nlink(inode_item));
 	inode_set_bytes(inode, btrfs_stack_inode_nbytes(inode_item));
@@ -1831,7 +1830,7 @@ int btrfs_delayed_update_inode(struct btrfs_trans_handle *trans,
 	struct btrfs_delayed_node *delayed_node;
 	int ret = 0;
 
-	delayed_node = btrfs_get_or_create_delayed_node(inode);
+	delayed_node = btrfs_get_or_create_delayed_node(BTRFS_I(inode));
 	if (IS_ERR(delayed_node))
 		return PTR_ERR(delayed_node);
 
@@ -1841,7 +1840,7 @@ int btrfs_delayed_update_inode(struct btrfs_trans_handle *trans,
 		goto release_node;
 	}
 
-	ret = btrfs_delayed_inode_reserve_metadata(trans, root, inode,
+	ret = btrfs_delayed_inode_reserve_metadata(trans, root, BTRFS_I(inode),
 						   delayed_node);
 	if (ret)
 		goto release_node;
@@ -1856,9 +1855,9 @@ release_node:
 	return ret;
 }
 
-int btrfs_delayed_delete_inode_ref(struct inode *inode)
+int btrfs_delayed_delete_inode_ref(struct btrfs_inode *inode)
 {
-	struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
+	struct btrfs_fs_info *fs_info = btrfs_sb(inode->vfs_inode.i_sb);
 	struct btrfs_delayed_node *delayed_node;
 
 	/*
@@ -1933,7 +1932,7 @@ static void __btrfs_kill_delayed_node(struct btrfs_delayed_node *delayed_node)
 	mutex_unlock(&delayed_node->mutex);
 }
 
-void btrfs_kill_delayed_inode_items(struct inode *inode)
+void btrfs_kill_delayed_inode_items(struct btrfs_inode *inode)
 {
 	struct btrfs_delayed_node *delayed_node;
 
@@ -1964,7 +1963,7 @@ void btrfs_kill_all_delayed_nodes(struct btrfs_root *root)
 		inode_id = delayed_nodes[n - 1]->inode_id + 1;
 
 		for (i = 0; i < n; i++)
-			atomic_inc(&delayed_nodes[i]->refs);
+			refcount_inc(&delayed_nodes[i]->refs);
 		spin_unlock(&root->inode_lock);
 
 		for (i = 0; i < n; i++) {