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Commit 1646cfac authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: skip get_node_page if locked node page is passed 



If get_dnode_of_data gets a locked node page, let's skip redundant
get_node_page calls.
This is for the futher enhancement.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent 0a364af1

fs/f2fs/node.c

+6 −3
Original line number Diff line number Diff line
@@ -408,10 +408,13 @@ int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode) 
	level = get_node_path(index, offset, noffset);



	nids[0] = dn->inode->i_ino;

	npage[0] = dn->inode_page;



	if (!npage[0]) {

		npage[0] = get_node_page(sbi, nids[0]);

		if (IS_ERR(npage[0]))

			return PTR_ERR(npage[0]);



	}

	parent = npage[0];

	if (level != 0)

		nids[1] = get_nid(parent, offset[0], true);