From 9a55ed656c9afbe41316ab2373bc063359b7683f Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Date: Mon, 20 May 2013 10:23:40 +0900
Subject: [PATCH] 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>
---
fs/f2fs/recovery.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 6ad4e539c60ac..f91ff0f0044df 100644
--- 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;
}
--
2.30.2