1 files changed, 49 insertions, 14 deletions

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 177c438e4a56..f202398e20ea 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -91,11 +91,11 @@ static void clear_node_page_dirty(struct page *page)
 	unsigned int long flags;
 
 	if (PageDirty(page)) {
-		spin_lock_irqsave(&mapping->tree_lock, flags);
-		radix_tree_tag_clear(&mapping->page_tree,
+		xa_lock_irqsave(&mapping->i_pages, flags);
+		radix_tree_tag_clear(&mapping->i_pages,
 				page_index(page),
 				PAGECACHE_TAG_DIRTY);
-		spin_unlock_irqrestore(&mapping->tree_lock, flags);
+		xa_unlock_irqrestore(&mapping->i_pages, flags);
 
 		clear_page_dirty_for_io(page);
 		dec_page_count(F2FS_M_SB(mapping), F2FS_DIRTY_NODES);
@@ -193,8 +193,8 @@ static void __del_from_nat_cache(struct f2fs_nm_info *nm_i, struct nat_entry *e)
 	__free_nat_entry(e);
 }
 
-static void __set_nat_cache_dirty(struct f2fs_nm_info *nm_i,
-						struct nat_entry *ne)
+static struct nat_entry_set *__grab_nat_entry_set(struct f2fs_nm_info *nm_i,
+							struct nat_entry *ne)
 {
 	nid_t set = NAT_BLOCK_OFFSET(ne->ni.nid);
 	struct nat_entry_set *head;
@@ -209,15 +209,36 @@ static void __set_nat_cache_dirty(struct f2fs_nm_info *nm_i,
 		head->entry_cnt = 0;
 		f2fs_radix_tree_insert(&nm_i->nat_set_root, set, head);
 	}
+	return head;
+}
+
+static void __set_nat_cache_dirty(struct f2fs_nm_info *nm_i,
+						struct nat_entry *ne)
+{
+	struct nat_entry_set *head;
+	bool new_ne = nat_get_blkaddr(ne) == NEW_ADDR;
+
+	if (!new_ne)
+		head = __grab_nat_entry_set(nm_i, ne);
+
+	/*
+	 * update entry_cnt in below condition:
+	 * 1. update NEW_ADDR to valid block address;
+	 * 2. update old block address to new one;
+	 */
+	if (!new_ne && (get_nat_flag(ne, IS_PREALLOC) ||
+				!get_nat_flag(ne, IS_DIRTY)))
+		head->entry_cnt++;
+
+	set_nat_flag(ne, IS_PREALLOC, new_ne);
 
 	if (get_nat_flag(ne, IS_DIRTY))
 		goto refresh_list;
 
 	nm_i->dirty_nat_cnt++;
-	head->entry_cnt++;
 	set_nat_flag(ne, IS_DIRTY, true);
 refresh_list:
-	if (nat_get_blkaddr(ne) == NEW_ADDR)
+	if (new_ne)
 		list_del_init(&ne->list);
 	else
 		list_move_tail(&ne->list, &head->entry_list);
@@ -1076,7 +1097,7 @@ struct page *new_node_page(struct dnode_of_data *dn, unsigned int ofs)
 
 	f2fs_wait_on_page_writeback(page, NODE, true);
 	fill_node_footer(page, dn->nid, dn->inode->i_ino, ofs, true);
-	set_cold_node(dn->inode, page);
+	set_cold_node(page, S_ISDIR(dn->inode->i_mode));
 	if (!PageUptodate(page))
 		SetPageUptodate(page);
 	if (set_page_dirty(page))
@@ -1140,7 +1161,7 @@ void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid)
 	f2fs_bug_on(sbi, check_nid_range(sbi, nid));
 
 	rcu_read_lock();
-	apage = radix_tree_lookup(&NODE_MAPPING(sbi)->page_tree, nid);
+	apage = radix_tree_lookup(&NODE_MAPPING(sbi)->i_pages, nid);
 	rcu_read_unlock();
 	if (apage)
 		return;
@@ -2291,6 +2312,7 @@ retry:
 	if (!PageUptodate(ipage))
 		SetPageUptodate(ipage);
 	fill_node_footer(ipage, ino, ino, 0, true);
+	set_cold_node(page, false);
 
 	src = F2FS_INODE(page);
 	dst = F2FS_INODE(ipage);
@@ -2580,8 +2602,7 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
 	if (!enabled_nat_bits(sbi, NULL))
 		return 0;
 
-	nm_i->nat_bits_blocks = F2FS_BYTES_TO_BLK((nat_bits_bytes << 1) + 8 +
-						F2FS_BLKSIZE - 1);
+	nm_i->nat_bits_blocks = F2FS_BLK_ALIGN((nat_bits_bytes << 1) + 8);
 	nm_i->nat_bits = f2fs_kzalloc(sbi,
 			nm_i->nat_bits_blocks << F2FS_BLKSIZE_BITS, GFP_KERNEL);
 	if (!nm_i->nat_bits)
@@ -2707,12 +2728,20 @@ static int init_node_manager(struct f2fs_sb_info *sbi)
 static int init_free_nid_cache(struct f2fs_sb_info *sbi)
 {
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
+	int i;
 
-	nm_i->free_nid_bitmap = f2fs_kvzalloc(sbi, nm_i->nat_blocks *
-					NAT_ENTRY_BITMAP_SIZE, GFP_KERNEL);
+	nm_i->free_nid_bitmap = f2fs_kzalloc(sbi, nm_i->nat_blocks *
+				sizeof(unsigned char *), GFP_KERNEL);
 	if (!nm_i->free_nid_bitmap)
 		return -ENOMEM;
 
+	for (i = 0; i < nm_i->nat_blocks; i++) {
+		nm_i->free_nid_bitmap[i] = f2fs_kvzalloc(sbi,
+				NAT_ENTRY_BITMAP_SIZE_ALIGNED, GFP_KERNEL);
+		if (!nm_i->free_nid_bitmap)
+			return -ENOMEM;
+	}
+
 	nm_i->nat_block_bitmap = f2fs_kvzalloc(sbi, nm_i->nat_blocks / 8,
 								GFP_KERNEL);
 	if (!nm_i->nat_block_bitmap)
@@ -2803,7 +2832,13 @@ void destroy_node_manager(struct f2fs_sb_info *sbi)
 	up_write(&nm_i->nat_tree_lock);
 
 	kvfree(nm_i->nat_block_bitmap);
-	kvfree(nm_i->free_nid_bitmap);
+	if (nm_i->free_nid_bitmap) {
+		int i;
+
+		for (i = 0; i < nm_i->nat_blocks; i++)
+			kvfree(nm_i->free_nid_bitmap[i]);
+		kfree(nm_i->free_nid_bitmap);
+	}
 	kvfree(nm_i->free_nid_count);
 
 	kfree(nm_i->nat_bitmap);