From 30c77b21ae0bf3d4f950b59d514de0a2cd075d47 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Mon, 20 May 2013 09:42:28 +0900 Subject: [PATCH] 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: Jaegeuk Kim --- fs/f2fs/node.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 96415345a428..f63f0a4046c6 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -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] = get_node_page(sbi, nids[0]); - if (IS_ERR(npage[0])) - return PTR_ERR(npage[0]); + 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); -- 2.39.5