f2fs: reuse make_empty_dir code for inline_dentry

This patch introduces do_make_empty_dir to mitigate code redundancy
for inline_dentry.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

3 files changed, 31 insertions, 33 deletions

diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 4f029a1b0cf0..4e62bdeb253d 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -323,12 +323,35 @@ int update_dent_inode(struct inode *inode, const struct qstr *name)
         return 0;
 }
 
+void do_make_empty_dir(struct inode *inode, struct inode *parent,
+                                        struct f2fs_dentry_ptr *d)
+{
+        struct f2fs_dir_entry *de;
+
+        de = &d->dentry[0];
+        de->name_len = cpu_to_le16(1);
+        de->hash_code = 0;
+        de->ino = cpu_to_le32(inode->i_ino);
+        memcpy(d->filename[0], ".", 1);
+        set_de_type(de, inode);
+
+        de = &d->dentry[1];
+        de->hash_code = 0;
+        de->name_len = cpu_to_le16(2);
+        de->ino = cpu_to_le32(parent->i_ino);
+        memcpy(d->filename[1], "..", 2);
+        set_de_type(de, inode);
+
+        test_and_set_bit_le(0, (void *)d->bitmap);
+        test_and_set_bit_le(1, (void *)d->bitmap);
+}
+
 static int make_empty_dir(struct inode *inode,
                 struct inode *parent, struct page *page)
 {
         struct page *dentry_page;
         struct f2fs_dentry_block *dentry_blk;
-        struct f2fs_dir_entry *de;
+        struct f2fs_dentry_ptr d;
 
         if (f2fs_has_inline_dentry(inode))
                 return make_empty_inline_dir(inode, parent, page);
@@ -339,22 +362,9 @@ static int make_empty_dir(struct inode *inode,
 
         dentry_blk = kmap_atomic(dentry_page);
 
-        de = &dentry_blk->dentry[0];
-        de->name_len = cpu_to_le16(1);
-        de->hash_code = 0;
-        de->ino = cpu_to_le32(inode->i_ino);
-        memcpy(dentry_blk->filename[0], ".", 1);
-        set_de_type(de, inode);
-
-        de = &dentry_blk->dentry[1];
-        de->hash_code = 0;
-        de->name_len = cpu_to_le16(2);
-        de->ino = cpu_to_le32(parent->i_ino);
-        memcpy(dentry_blk->filename[1], "..", 2);
-        set_de_type(de, inode);
+        make_dentry_ptr(&d, (void *)dentry_blk, 1);
+        do_make_empty_dir(inode, parent, &d);
 
-        test_and_set_bit_le(0, &dentry_blk->dentry_bitmap);
-        test_and_set_bit_le(1, &dentry_blk->dentry_bitmap);
         kunmap_atomic(dentry_blk);
 
         set_page_dirty(dentry_page);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index f7bbfc7d06b8..cb59ebbf0f38 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1275,6 +1275,8 @@ struct f2fs_dir_entry *find_target_dentry(struct qstr *, int *,
                         struct f2fs_dentry_ptr *);
 bool f2fs_fill_dentries(struct dir_context *, struct f2fs_dentry_ptr *,
                         unsigned int);
+void do_make_empty_dir(struct inode *, struct inode *,
+                        struct f2fs_dentry_ptr *);
 struct page *init_inode_metadata(struct inode *, struct inode *,
                         const struct qstr *, struct page *);
 void update_parent_metadata(struct inode *, struct inode *, unsigned int);
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 445e99d6f6ee..a30984505f16 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -314,26 +314,12 @@ int make_empty_inline_dir(struct inode *inode, struct inode *parent,
                                                         struct page *ipage)
 {
         struct f2fs_inline_dentry *dentry_blk;
-        struct f2fs_dir_entry *de;
+        struct f2fs_dentry_ptr d;
 
         dentry_blk = inline_data_addr(ipage);
 
-        de = &dentry_blk->dentry[0];
-        de->name_len = cpu_to_le16(1);
-        de->hash_code = 0;
-        de->ino = cpu_to_le32(inode->i_ino);
-        memcpy(dentry_blk->filename[0], ".", 1);
-        set_de_type(de, inode);
-
-        de = &dentry_blk->dentry[1];
-        de->hash_code = 0;
-        de->name_len = cpu_to_le16(2);
-        de->ino = cpu_to_le32(parent->i_ino);
-        memcpy(dentry_blk->filename[1], "..", 2);
-        set_de_type(de, inode);
-
-        test_and_set_bit_le(0, &dentry_blk->dentry_bitmap);
-        test_and_set_bit_le(1, &dentry_blk->dentry_bitmap);
+        make_dentry_ptr(&d, (void *)dentry_blk, 2);
+        do_make_empty_dir(inode, parent, &d);
 
         set_page_dirty(ipage);