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Commit 9486ba44 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: introduce f2fs_dentry_kunmap to clean up 



This patch introduces f2fs_dentry_kunmap to clean up dirty codes.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent c9ee0085

fs/f2fs/dir.c

+1 −2
Original line number Diff line number Diff line
@@ -271,8 +271,7 @@ ino_t f2fs_inode_by_name(struct inode *dir, struct qstr *qstr) 
	de = f2fs_find_entry(dir, qstr, &page);

	if (de) {

		res = le32_to_cpu(de->ino);

		if (!f2fs_has_inline_dentry(dir))

			kunmap(page);

		f2fs_dentry_kunmap(dir, page);

		f2fs_put_page(page, 0);

	}

fs/f2fs/f2fs.h

+6 −0
Original line number Diff line number Diff line
@@ -1229,6 +1229,12 @@ static inline void *inline_dentry_addr(struct page *page) 
	return (void *)&(ri->i_addr[1]);

}



static inline void f2fs_dentry_kunmap(struct inode *dir, struct page *page)

{

	if (!f2fs_has_inline_dentry(dir))

		kunmap(page);

}



static inline int f2fs_readonly(struct super_block *sb)

{

	return sb->s_flags & MS_RDONLY;

fs/f2fs/namei.c

+10 −20
Original line number Diff line number Diff line
@@ -200,8 +200,7 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, 
	de = f2fs_find_entry(dir, &dentry->d_name, &page);

	if (de) {

		nid_t ino = le32_to_cpu(de->ino);

		if (!f2fs_has_inline_dentry(dir))

			kunmap(page);

		f2fs_dentry_kunmap(dir, page);

		f2fs_put_page(page, 0);



		inode = f2fs_iget(dir->i_sb, ino);
@@ -231,8 +230,7 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry) 
	err = acquire_orphan_inode(sbi);

	if (err) {

		f2fs_unlock_op(sbi);

		if (!f2fs_has_inline_dentry(dir))

			kunmap(page);

		f2fs_dentry_kunmap(dir, page);

		f2fs_put_page(page, 0);

		goto fail;

	}
@@ -469,8 +467,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, 
						old_dir_page, new_dir);

			update_inode_page(old_inode);

		} else {

			if (!f2fs_has_inline_dentry(old_inode))

				kunmap(old_dir_page);

			f2fs_dentry_kunmap(old_inode, old_dir_page);

			f2fs_put_page(old_dir_page, 0);

		}

		drop_nlink(old_dir);
@@ -486,18 +483,15 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, 


put_out_dir:

	f2fs_unlock_op(sbi);

	if (!f2fs_has_inline_dentry(new_dir))

		kunmap(new_page);

	f2fs_dentry_kunmap(new_dir, new_page);

	f2fs_put_page(new_page, 0);

out_dir:

	if (old_dir_entry) {

		if (!f2fs_has_inline_dentry(old_inode))

			kunmap(old_dir_page);

		f2fs_dentry_kunmap(old_inode, old_dir_page);

		f2fs_put_page(old_dir_page, 0);

	}

out_old:

	if (!f2fs_has_inline_dentry(old_dir))

		kunmap(old_page);

	f2fs_dentry_kunmap(old_dir, old_page);

	f2fs_put_page(old_page, 0);

out:

	return err;
@@ -632,23 +626,19 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry, 
	f2fs_unlock_op(sbi);

out_new_dir:

	if (new_dir_entry) {

		if (!f2fs_has_inline_dentry(new_inode))

			kunmap(new_dir_page);

		f2fs_dentry_kunmap(new_inode, new_dir_page);

		f2fs_put_page(new_dir_page, 0);

	}

out_old_dir:

	if (old_dir_entry) {

		if (!f2fs_has_inline_dentry(old_inode))

			kunmap(old_dir_page);

		f2fs_dentry_kunmap(old_inode, old_dir_page);

		f2fs_put_page(old_dir_page, 0);

	}

out_new:

	if (!f2fs_has_inline_dentry(new_dir))

		kunmap(new_page);

	f2fs_dentry_kunmap(new_dir, new_page);

	f2fs_put_page(new_page, 0);

out_old:

	if (!f2fs_has_inline_dentry(old_dir))

		kunmap(old_page);

	f2fs_dentry_kunmap(old_dir, old_page);

	f2fs_put_page(old_page, 0);

out:

	return err;

fs/f2fs/recovery.c

+1 −2
Original line number Diff line number Diff line
@@ -129,8 +129,7 @@ static int recover_dentry(struct inode *inode, struct page *ipage) 
	goto out;



out_unmap_put:

	if (!f2fs_has_inline_dentry(dir))

		kunmap(page);

	f2fs_dentry_kunmap(dir, page);

	f2fs_put_page(page, 0);

out_err:

	iput(dir);