f2fs: remove unnecessary kmap/kunmap operations

The allocated page used by the recovery is not on HIGHMEM, so that we don't
need to use kmap/kunmap.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 6ad4e539c60ac6d8eef921cfdfa0b12a8f8d384c..f91ff0f0044df14939f851082045c98f7e8296b8 100644 (file)
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -40,11 +40,11 @@ static struct fsync_inode_entry *get_fsync_inode(struct list_head *head,
 
 static int recover_dentry(struct page *ipage, struct inode *inode)
 {
-       struct f2fs_node *raw_node = (struct f2fs_node *)kmap(ipage);
+       void *kaddr = page_address(ipage);
+       struct f2fs_node *raw_node = (struct f2fs_node *)kaddr;
        struct f2fs_inode *raw_inode = &(raw_node->i);
        nid_t pino = le32_to_cpu(raw_inode->i_pino);
        struct qstr name;
-       struct f2fs_dir_entry *de;
        struct page *page;
        struct inode *dir;
        int err = 0;
@@ -62,8 +62,7 @@ static int recover_dentry(struct page *ipage, struct inode *inode)
        name.len = le32_to_cpu(raw_inode->i_namelen);
        name.name = raw_inode->i_name;
 
-       de = f2fs_find_entry(dir, &name, &page);
-       if (de) {
+       if (f2fs_find_entry(dir, &name, &page)) {
                kunmap(page);
                f2fs_put_page(page, 0);
        } else {
@@ -73,7 +72,6 @@ out:
        f2fs_msg(inode->i_sb, KERN_NOTICE, "recover_inode and its dentry: "
                        "ino = %x, name = %s, dir = %lx, err = %d",
                        ino_of_node(ipage), raw_inode->i_name, dir->i_ino, err);
-       kunmap(ipage);
        return err;
 }