Commit 08d8058b authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: should check the node page was truncated first 



Currently, f2fs doesn't reclaim any node pages.
However, if we found that a node page was truncated by checking its block
address with zero during f2fs_write_node_page, we should not skip that node
page and return zero to reclaim it.

Reviewed-by: default avatarNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent 393ff91f

fs/f2fs/node.c

+8 −7
Original line number Diff line number Diff line
@@ -1097,13 +1097,6 @@ static int f2fs_write_node_page(struct page *page, 
	block_t new_addr;

	struct node_info ni;



	if (wbc->for_reclaim) {

		dec_page_count(sbi, F2FS_DIRTY_NODES);

		wbc->pages_skipped++;

		set_page_dirty(page);

		return AOP_WRITEPAGE_ACTIVATE;

	}



	wait_on_page_writeback(page);



	mutex_lock_op(sbi, NODE_WRITE);
@@ -1118,6 +1111,14 @@ static int f2fs_write_node_page(struct page *page, 
	if (ni.blk_addr == NULL_ADDR)

		goto out;



	if (wbc->for_reclaim) {

		dec_page_count(sbi, F2FS_DIRTY_NODES);

		wbc->pages_skipped++;

		set_page_dirty(page);

		mutex_unlock_op(sbi, NODE_WRITE);

		return AOP_WRITEPAGE_ACTIVATE;

	}



	set_page_writeback(page);



	/* insert node offset */