1 files changed, 16 insertions, 10 deletions

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 27d1a74dd6f3..7bcbc6e9c40d 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1323,23 +1323,24 @@ static int f2fs_write_node_page(struct page *page,
 	nid = nid_of_node(page);
 	f2fs_bug_on(sbi, page->index != nid);
 
+	if (wbc->for_reclaim) {
+		if (!down_read_trylock(&sbi->node_write))
+			goto redirty_out;
+	} else {
+		down_read(&sbi->node_write);
+	}
+
 	get_node_info(sbi, nid, &ni);
 
 	/* This page is already truncated */
 	if (unlikely(ni.blk_addr == NULL_ADDR)) {
 		ClearPageUptodate(page);
 		dec_page_count(sbi, F2FS_DIRTY_NODES);
+		up_read(&sbi->node_write);
 		unlock_page(page);
 		return 0;
 	}
 
-	if (wbc->for_reclaim) {
-		if (!down_read_trylock(&sbi->node_write))
-			goto redirty_out;
-	} else {
-		down_read(&sbi->node_write);
-	}
-
 	set_page_writeback(page);
 	fio.blk_addr = ni.blk_addr;
 	write_node_page(nid, &fio);
@@ -1528,7 +1529,8 @@ static void build_free_nids(struct f2fs_sb_info *sbi)
 		return;
 
 	/* readahead nat pages to be scanned */
-	ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), FREE_NID_PAGES, META_NAT);
+	ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), FREE_NID_PAGES,
+							META_NAT, true);
 
 	while (1) {
 		struct page *page = get_current_nat_page(sbi, nid);
@@ -1558,6 +1560,9 @@ static void build_free_nids(struct f2fs_sb_info *sbi)
 			remove_free_nid(nm_i, nid);
 	}
 	mutex_unlock(&curseg->curseg_mutex);
+
+	ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nm_i->next_scan_nid),
+					nm_i->ra_nid_pages, META_NAT, false);
 }
 
 /*
@@ -1803,10 +1808,10 @@ int restore_node_summary(struct f2fs_sb_info *sbi,
 		nrpages = min(last_offset - i, bio_blocks);
 
 		/* readahead node pages */
-		ra_meta_pages(sbi, addr, nrpages, META_POR);
+		ra_meta_pages(sbi, addr, nrpages, META_POR, true);
 
 		for (idx = addr; idx < addr + nrpages; idx++) {
-			struct page *page = get_meta_page(sbi, idx);
+			struct page *page = get_tmp_page(sbi, idx);
 
 			rn = F2FS_NODE(page);
 			sum_entry->nid = rn->footer.nid;
@@ -2000,6 +2005,7 @@ static int init_node_manager(struct f2fs_sb_info *sbi)
 	nm_i->fcnt = 0;
 	nm_i->nat_cnt = 0;
 	nm_i->ram_thresh = DEF_RAM_THRESHOLD;
+	nm_i->ra_nid_pages = DEF_RA_NID_PAGES;
 
 	INIT_RADIX_TREE(&nm_i->free_nid_root, GFP_ATOMIC);
 	INIT_LIST_HEAD(&nm_i->free_nid_list);