f2fs: introduce f2fs_has_xattr_block for better readability

This patch introduces a help function f2fs_has_xattr_block for better
readability.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

3 files changed, 8 insertions, 3 deletions

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 1f87a04f1441..292cc3c25b28 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -637,6 +637,11 @@ static inline int F2FS_HAS_BLOCKS(struct inode *inode)
                 return inode->i_blocks > F2FS_DEFAULT_ALLOCATED_BLOCKS;
 }
 
+static inline bool f2fs_has_xattr_block(unsigned int ofs)
+{
+        return ofs == XATTR_NODE_OFFSET;
+}
+
 static inline bool inc_valid_block_count(struct f2fs_sb_info *sbi,
                                  struct inode *inode, blkcnt_t count)
 {
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index c618fad3e6c3..3e36240d81c1 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -836,7 +836,7 @@ struct page *new_node_page(struct dnode_of_data *dn,
         SetPageUptodate(page);
         set_page_dirty(page);
 
-        if (ofs == XATTR_NODE_OFFSET)
+        if (f2fs_has_xattr_block(ofs))
                 F2FS_I(dn->inode)->i_xattr_nid = dn->nid;
 
         dn->node_page = page;
@@ -1533,7 +1533,7 @@ bool recover_xattr_data(struct inode *inode, struct page *page, block_t blkaddr)
 
         recover_inline_xattr(inode, page);
 
-        if (ofs_of_node(page) != XATTR_NODE_OFFSET)
+        if (!f2fs_has_xattr_block(ofs_of_node(page)))
                 return false;
 
         /* 1: invalidate the previous xattr nid */
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index 4dea719766ef..ee6d28684ee8 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -242,7 +242,7 @@ static inline bool IS_DNODE(struct page *node_page)
 {
         unsigned int ofs = ofs_of_node(node_page);
 
-        if (ofs == XATTR_NODE_OFFSET)
+        if (f2fs_has_xattr_block(ofs))
                 return false;
 
         if (ofs == 3 || ofs == 4 + NIDS_PER_BLOCK ||