Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4f16fb0f authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: add the truncate_xattr_node function 



The truncate_xattr_node function will be used by inline xattr.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent dd9cfe23

fs/f2fs/f2fs.h

+1 −0
Original line number Diff line number Diff line
@@ -1016,6 +1016,7 @@ int is_checkpointed_node(struct f2fs_sb_info *, nid_t); 
void get_node_info(struct f2fs_sb_info *, nid_t, struct node_info *);

int get_dnode_of_data(struct dnode_of_data *, pgoff_t, int);

int truncate_inode_blocks(struct inode *, pgoff_t);

int truncate_xattr_node(struct inode *, struct page *);

int remove_inode_page(struct inode *);

struct page *new_inode_page(struct inode *, const struct qstr *);

struct page *new_node_page(struct dnode_of_data *, unsigned int, struct page *);

fs/f2fs/node.c

+28 −11
Original line number Diff line number Diff line
@@ -772,6 +772,29 @@ int truncate_inode_blocks(struct inode *inode, pgoff_t from) 
	return err > 0 ? 0 : err;

}



int truncate_xattr_node(struct inode *inode, struct page *page)

{

	struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);

	nid_t nid = F2FS_I(inode)->i_xattr_nid;

	struct dnode_of_data dn;

	struct page *npage;



	if (!nid)

		return 0;



	npage = get_node_page(sbi, nid);

	if (IS_ERR(npage))

		return PTR_ERR(npage);



	F2FS_I(inode)->i_xattr_nid = 0;

	set_new_dnode(&dn, inode, page, npage, nid);



	if (page)

		dn.inode_page_locked = 1;

	truncate_node(&dn);

	return 0;

}



/*

 * Caller should grab and release a mutex by calling mutex_lock_op() and

 * mutex_unlock_op().
@@ -782,22 +805,16 @@ int remove_inode_page(struct inode *inode) 
	struct page *page;

	nid_t ino = inode->i_ino;

	struct dnode_of_data dn;

	int err;



	page = get_node_page(sbi, ino);

	if (IS_ERR(page))

		return PTR_ERR(page);



	if (F2FS_I(inode)->i_xattr_nid) {

		nid_t nid = F2FS_I(inode)->i_xattr_nid;

		struct page *npage = get_node_page(sbi, nid);



		if (IS_ERR(npage))

			return PTR_ERR(npage);



		F2FS_I(inode)->i_xattr_nid = 0;

		set_new_dnode(&dn, inode, page, npage, nid);

		dn.inode_page_locked = 1;

		truncate_node(&dn);

	err = truncate_xattr_node(inode, page);

	if (err) {

		f2fs_put_page(page, 1);

		return err;

	}



	/* 0 is possible, after f2fs_new_inode() is failed */