ocfs2: Prefix the ocfs2_extent_tree structure. (ce1d9ea6) · Commits · e / devices / android_kernel_samsung_universal8895

fs/ocfs2/alloc.c

+61 −57

Original line number	Original line	Diff line number	Diff line
	@@ -75,28 +75,30 @@ struct ocfs2_extent_tree_operations {
	};		};

	struct ocfs2_extent_tree {		struct ocfs2_extent_tree {
	enum ocfs2_extent_tree_type type;		enum ocfs2_extent_tree_type et_type;
	struct ocfs2_extent_tree_operations *eops;		struct ocfs2_extent_tree_operations *et_ops;
	struct buffer_head *root_bh;		struct buffer_head *et_root_bh;
	struct ocfs2_extent_list *root_el;		struct ocfs2_extent_list *et_root_el;
	void *private;		void *et_private;
	unsigned int max_leaf_clusters;		unsigned int et_max_leaf_clusters;
	};		};

	static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et,		static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et,
	u64 blkno)		u64 blkno)
	{		{
	struct ocfs2_dinode di = (struct ocfs2_dinode )et->root_bh->b_data;		struct ocfs2_dinode *di =
			(struct ocfs2_dinode *)et->et_root_bh->b_data;

	BUG_ON(et->type != OCFS2_DINODE_EXTENT);		BUG_ON(et->et_type != OCFS2_DINODE_EXTENT);
	di->i_last_eb_blk = cpu_to_le64(blkno);		di->i_last_eb_blk = cpu_to_le64(blkno);
	}		}

	static u64 ocfs2_dinode_get_last_eb_blk(struct ocfs2_extent_tree *et)		static u64 ocfs2_dinode_get_last_eb_blk(struct ocfs2_extent_tree *et)
	{		{
	struct ocfs2_dinode di = (struct ocfs2_dinode )et->root_bh->b_data;		struct ocfs2_dinode *di =
			(struct ocfs2_dinode *)et->et_root_bh->b_data;

	BUG_ON(et->type != OCFS2_DINODE_EXTENT);		BUG_ON(et->et_type != OCFS2_DINODE_EXTENT);
	return le64_to_cpu(di->i_last_eb_blk);		return le64_to_cpu(di->i_last_eb_blk);
	}		}

	@@ -105,7 +107,7 @@ static void ocfs2_dinode_update_clusters(struct inode *inode,
	u32 clusters)		u32 clusters)
	{		{
	struct ocfs2_dinode *di =		struct ocfs2_dinode *di =
	(struct ocfs2_dinode *)et->root_bh->b_data;		(struct ocfs2_dinode *)et->et_root_bh->b_data;

	le32_add_cpu(&di->i_clusters, clusters);		le32_add_cpu(&di->i_clusters, clusters);
	spin_lock(&OCFS2_I(inode)->ip_lock);		spin_lock(&OCFS2_I(inode)->ip_lock);
	@@ -119,9 +121,9 @@ static int ocfs2_dinode_sanity_check(struct inode *inode,
	int ret = 0;		int ret = 0;
	struct ocfs2_dinode *di;		struct ocfs2_dinode *di;

	BUG_ON(et->type != OCFS2_DINODE_EXTENT);		BUG_ON(et->et_type != OCFS2_DINODE_EXTENT);

	di = (struct ocfs2_dinode *)et->root_bh->b_data;		di = (struct ocfs2_dinode *)et->et_root_bh->b_data;
	if (!OCFS2_IS_VALID_DINODE(di)) {		if (!OCFS2_IS_VALID_DINODE(di)) {
	ret = -EIO;		ret = -EIO;
	ocfs2_error(inode->i_sb,		ocfs2_error(inode->i_sb,
	@@ -143,7 +145,7 @@ static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et,
	u64 blkno)		u64 blkno)
	{		{
	struct ocfs2_xattr_value_root *xv =		struct ocfs2_xattr_value_root *xv =
	(struct ocfs2_xattr_value_root *)et->private;		(struct ocfs2_xattr_value_root *)et->et_private;

	xv->xr_last_eb_blk = cpu_to_le64(blkno);		xv->xr_last_eb_blk = cpu_to_le64(blkno);
	}		}
	@@ -151,7 +153,7 @@ static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et,
	static u64 ocfs2_xattr_value_get_last_eb_blk(struct ocfs2_extent_tree *et)		static u64 ocfs2_xattr_value_get_last_eb_blk(struct ocfs2_extent_tree *et)
	{		{
	struct ocfs2_xattr_value_root *xv =		struct ocfs2_xattr_value_root *xv =
	(struct ocfs2_xattr_value_root *) et->private;		(struct ocfs2_xattr_value_root *) et->et_private;

	return le64_to_cpu(xv->xr_last_eb_blk);		return le64_to_cpu(xv->xr_last_eb_blk);
	}		}
	@@ -161,7 +163,7 @@ static void ocfs2_xattr_value_update_clusters(struct inode *inode,
	u32 clusters)		u32 clusters)
	{		{
	struct ocfs2_xattr_value_root *xv =		struct ocfs2_xattr_value_root *xv =
	(struct ocfs2_xattr_value_root *)et->private;		(struct ocfs2_xattr_value_root *)et->et_private;

	le32_add_cpu(&xv->xr_clusters, clusters);		le32_add_cpu(&xv->xr_clusters, clusters);
	}		}
	@@ -183,7 +185,7 @@ static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et,
	u64 blkno)		u64 blkno)
	{		{
	struct ocfs2_xattr_block *xb =		struct ocfs2_xattr_block *xb =
	(struct ocfs2_xattr_block *) et->root_bh->b_data;		(struct ocfs2_xattr_block *) et->et_root_bh->b_data;
	struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root;		struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root;

	xt->xt_last_eb_blk = cpu_to_le64(blkno);		xt->xt_last_eb_blk = cpu_to_le64(blkno);
	@@ -192,7 +194,7 @@ static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et,
	static u64 ocfs2_xattr_tree_get_last_eb_blk(struct ocfs2_extent_tree *et)		static u64 ocfs2_xattr_tree_get_last_eb_blk(struct ocfs2_extent_tree *et)
	{		{
	struct ocfs2_xattr_block *xb =		struct ocfs2_xattr_block *xb =
	(struct ocfs2_xattr_block *) et->root_bh->b_data;		(struct ocfs2_xattr_block *) et->et_root_bh->b_data;
	struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root;		struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root;

	return le64_to_cpu(xt->xt_last_eb_blk);		return le64_to_cpu(xt->xt_last_eb_blk);
	@@ -203,7 +205,7 @@ static void ocfs2_xattr_tree_update_clusters(struct inode *inode,
	u32 clusters)		u32 clusters)
	{		{
	struct ocfs2_xattr_block *xb =		struct ocfs2_xattr_block *xb =
	(struct ocfs2_xattr_block *)et->root_bh->b_data;		(struct ocfs2_xattr_block *)et->et_root_bh->b_data;

	le32_add_cpu(&xb->xb_attrs.xb_root.xt_clusters, clusters);		le32_add_cpu(&xb->xb_attrs.xb_root.xt_clusters, clusters);
	}		}
	@@ -233,25 +235,26 @@ static struct ocfs2_extent_tree*
	if (!et)		if (!et)
	return NULL;		return NULL;

	et->type = et_type;		et->et_type = et_type;
	get_bh(bh);		get_bh(bh);
	et->root_bh = bh;		et->et_root_bh = bh;
	et->private = private;		et->et_private = private;

	if (et_type == OCFS2_DINODE_EXTENT) {		if (et_type == OCFS2_DINODE_EXTENT) {
	et->root_el = &((struct ocfs2_dinode *)bh->b_data)->id2.i_list;		et->et_root_el =
	et->eops = &ocfs2_dinode_et_ops;		&((struct ocfs2_dinode *)bh->b_data)->id2.i_list;
			et->et_ops = &ocfs2_dinode_et_ops;
	} else if (et_type == OCFS2_XATTR_VALUE_EXTENT) {		} else if (et_type == OCFS2_XATTR_VALUE_EXTENT) {
	struct ocfs2_xattr_value_root *xv =		struct ocfs2_xattr_value_root *xv =
	(struct ocfs2_xattr_value_root *) private;		(struct ocfs2_xattr_value_root *) private;
	et->root_el = &xv->xr_list;		et->et_root_el = &xv->xr_list;
	et->eops = &ocfs2_xattr_et_ops;		et->et_ops = &ocfs2_xattr_et_ops;
	} else if (et_type == OCFS2_XATTR_TREE_EXTENT) {		} else if (et_type == OCFS2_XATTR_TREE_EXTENT) {
	struct ocfs2_xattr_block *xb =		struct ocfs2_xattr_block *xb =
	(struct ocfs2_xattr_block *)bh->b_data;		(struct ocfs2_xattr_block *)bh->b_data;
	et->root_el = &xb->xb_attrs.xb_root.xt_list;		et->et_root_el = &xb->xb_attrs.xb_root.xt_list;
	et->eops = &ocfs2_xattr_tree_et_ops;		et->et_ops = &ocfs2_xattr_tree_et_ops;
	et->max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb,		et->et_max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb,
	OCFS2_MAX_XATTR_TREE_LEAF_SIZE);		OCFS2_MAX_XATTR_TREE_LEAF_SIZE);
	}		}

	@@ -261,7 +264,7 @@ static struct ocfs2_extent_tree*
	static void ocfs2_free_extent_tree(struct ocfs2_extent_tree *et)		static void ocfs2_free_extent_tree(struct ocfs2_extent_tree *et)
	{		{
	if (et) {		if (et) {
	brelse(et->root_bh);		brelse(et->et_root_bh);
	kfree(et);		kfree(et);
	}		}
	}		}
	@@ -269,25 +272,25 @@ static void ocfs2_free_extent_tree(struct ocfs2_extent_tree *et)
	static inline void ocfs2_et_set_last_eb_blk(struct ocfs2_extent_tree *et,		static inline void ocfs2_et_set_last_eb_blk(struct ocfs2_extent_tree *et,
	u64 new_last_eb_blk)		u64 new_last_eb_blk)
	{		{
	et->eops->eo_set_last_eb_blk(et, new_last_eb_blk);		et->et_ops->eo_set_last_eb_blk(et, new_last_eb_blk);
	}		}

	static inline u64 ocfs2_et_get_last_eb_blk(struct ocfs2_extent_tree *et)		static inline u64 ocfs2_et_get_last_eb_blk(struct ocfs2_extent_tree *et)
	{		{
	return et->eops->eo_get_last_eb_blk(et);		return et->et_ops->eo_get_last_eb_blk(et);
	}		}

	static inline void ocfs2_et_update_clusters(struct inode *inode,		static inline void ocfs2_et_update_clusters(struct inode *inode,
	struct ocfs2_extent_tree *et,		struct ocfs2_extent_tree *et,
	u32 clusters)		u32 clusters)
	{		{
	et->eops->eo_update_clusters(inode, et, clusters);		et->et_ops->eo_update_clusters(inode, et, clusters);
	}		}

	static inline int ocfs2_et_sanity_check(struct inode *inode,		static inline int ocfs2_et_sanity_check(struct inode *inode,
	struct ocfs2_extent_tree *et)		struct ocfs2_extent_tree *et)
	{		{
	return et->eops->eo_sanity_check(inode, et);		return et->et_ops->eo_sanity_check(inode, et);
	}		}

	static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc);		static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc);
	@@ -805,7 +808,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb,
	eb = (struct ocfs2_extent_block *) eb_bh->b_data;		eb = (struct ocfs2_extent_block *) eb_bh->b_data;
	el = &eb->h_list;		el = &eb->h_list;
	} else		} else
	el = et->root_el;		el = et->et_root_el;

	/* we never add a branch to a leaf. */		/* we never add a branch to a leaf. */
	BUG_ON(!el->l_tree_depth);		BUG_ON(!el->l_tree_depth);
	@@ -895,7 +898,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb,
	mlog_errno(status);		mlog_errno(status);
	goto bail;		goto bail;
	}		}
	status = ocfs2_journal_access(handle, inode, et->root_bh,		status = ocfs2_journal_access(handle, inode, et->et_root_bh,
	OCFS2_JOURNAL_ACCESS_WRITE);		OCFS2_JOURNAL_ACCESS_WRITE);
	if (status < 0) {		if (status < 0) {
	mlog_errno(status);		mlog_errno(status);
	@@ -928,7 +931,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb,
	status = ocfs2_journal_dirty(handle, *last_eb_bh);		status = ocfs2_journal_dirty(handle, *last_eb_bh);
	if (status < 0)		if (status < 0)
	mlog_errno(status);		mlog_errno(status);
	status = ocfs2_journal_dirty(handle, et->root_bh);		status = ocfs2_journal_dirty(handle, et->et_root_bh);
	if (status < 0)		if (status < 0)
	mlog_errno(status);		mlog_errno(status);
	if (eb_bh) {		if (eb_bh) {
	@@ -994,7 +997,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb,
	}		}

	eb_el = &eb->h_list;		eb_el = &eb->h_list;
	root_el = et->root_el;		root_el = et->et_root_el;

	status = ocfs2_journal_access(handle, inode, new_eb_bh,		status = ocfs2_journal_access(handle, inode, new_eb_bh,
	OCFS2_JOURNAL_ACCESS_CREATE);		OCFS2_JOURNAL_ACCESS_CREATE);
	@@ -1015,7 +1018,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb,
	goto bail;		goto bail;
	}		}

	status = ocfs2_journal_access(handle, inode, et->root_bh,		status = ocfs2_journal_access(handle, inode, et->et_root_bh,
	OCFS2_JOURNAL_ACCESS_WRITE);		OCFS2_JOURNAL_ACCESS_WRITE);
	if (status < 0) {		if (status < 0) {
	mlog_errno(status);		mlog_errno(status);
	@@ -1038,7 +1041,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb,
	if (root_el->l_tree_depth == cpu_to_le16(1))		if (root_el->l_tree_depth == cpu_to_le16(1))
	ocfs2_et_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno));		ocfs2_et_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno));

	status = ocfs2_journal_dirty(handle, et->root_bh);		status = ocfs2_journal_dirty(handle, et->et_root_bh);
	if (status < 0) {		if (status < 0) {
	mlog_errno(status);		mlog_errno(status);
	goto bail;		goto bail;
	@@ -1088,7 +1091,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb,

	*target_bh = NULL;		*target_bh = NULL;

	el = et->root_el;		el = et->et_root_el;

	while(le16_to_cpu(el->l_tree_depth) > 1) {		while(le16_to_cpu(el->l_tree_depth) > 1) {
	if (le16_to_cpu(el->l_next_free_rec) == 0) {		if (le16_to_cpu(el->l_next_free_rec) == 0) {
	@@ -1140,7 +1143,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb,

	/* If we didn't find one and the fe doesn't have any room,		/* If we didn't find one and the fe doesn't have any room,
	* then return '1' */		* then return '1' */
	el = et->root_el;		el = et->et_root_el;
	if (!lowest_bh && (el->l_next_free_rec == el->l_count))		if (!lowest_bh && (el->l_next_free_rec == el->l_count))
	status = 1;		status = 1;

	@@ -1169,7 +1172,7 @@ static int ocfs2_grow_tree(struct inode inode, handle_t handle,
	struct ocfs2_alloc_context *meta_ac)		struct ocfs2_alloc_context *meta_ac)
	{		{
	int ret, shift;		int ret, shift;
	struct ocfs2_extent_list *el = et->root_el;		struct ocfs2_extent_list *el = et->et_root_el;
	int depth = le16_to_cpu(el->l_tree_depth);		int depth = le16_to_cpu(el->l_tree_depth);
	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);		struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	struct buffer_head *bh = NULL;		struct buffer_head *bh = NULL;
	@@ -2765,7 +2768,7 @@ static int ocfs2_remove_rightmost_path(struct inode inode, handle_t handle,
	*/		*/
	ocfs2_unlink_path(inode, handle, dealloc, path, 1);		ocfs2_unlink_path(inode, handle, dealloc, path, 1);

	el = et->root_el;		el = et->et_root_el;
	el->l_tree_depth = 0;		el->l_tree_depth = 0;
	el->l_next_free_rec = 0;		el->l_next_free_rec = 0;
	memset(&el->l_recs[0], 0, sizeof(struct ocfs2_extent_rec));		memset(&el->l_recs[0], 0, sizeof(struct ocfs2_extent_rec));
	@@ -3898,9 +3901,9 @@ static int ocfs2_do_insert_extent(struct inode *inode,
	struct ocfs2_path *left_path = NULL;		struct ocfs2_path *left_path = NULL;
	struct ocfs2_extent_list *el;		struct ocfs2_extent_list *el;

	el = et->root_el;		el = et->et_root_el;

	ret = ocfs2_journal_access(handle, inode, et->root_bh,		ret = ocfs2_journal_access(handle, inode, et->et_root_bh,
	OCFS2_JOURNAL_ACCESS_WRITE);		OCFS2_JOURNAL_ACCESS_WRITE);
	if (ret) {		if (ret) {
	mlog_errno(ret);		mlog_errno(ret);
	@@ -3912,7 +3915,7 @@ static int ocfs2_do_insert_extent(struct inode *inode,
	goto out_update_clusters;		goto out_update_clusters;
	}		}

	right_path = ocfs2_new_path(et->root_bh, et->root_el);		right_path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
	if (!right_path) {		if (!right_path) {
	ret = -ENOMEM;		ret = -ENOMEM;
	mlog_errno(ret);		mlog_errno(ret);
	@@ -3962,7 +3965,7 @@ static int ocfs2_do_insert_extent(struct inode *inode,
	* ocfs2_rotate_tree_right() might have extended the		* ocfs2_rotate_tree_right() might have extended the
	* transaction without re-journaling our tree root.		* transaction without re-journaling our tree root.
	*/		*/
	ret = ocfs2_journal_access(handle, inode, et->root_bh,		ret = ocfs2_journal_access(handle, inode, et->et_root_bh,
	OCFS2_JOURNAL_ACCESS_WRITE);		OCFS2_JOURNAL_ACCESS_WRITE);
	if (ret) {		if (ret) {
	mlog_errno(ret);		mlog_errno(ret);
	@@ -3990,7 +3993,7 @@ out_update_clusters:
	ocfs2_et_update_clusters(inode, et,		ocfs2_et_update_clusters(inode, et,
	le16_to_cpu(insert_rec->e_leaf_clusters));		le16_to_cpu(insert_rec->e_leaf_clusters));

	ret = ocfs2_journal_dirty(handle, et->root_bh);		ret = ocfs2_journal_dirty(handle, et->et_root_bh);
	if (ret)		if (ret)
	mlog_errno(ret);		mlog_errno(ret);

	@@ -4148,7 +4151,8 @@ static void ocfs2_figure_contig_type(struct inode *inode,
	* Caller might want us to limit the size of extents, don't		* Caller might want us to limit the size of extents, don't
	* calculate contiguousness if we might exceed that limit.		* calculate contiguousness if we might exceed that limit.
	*/		*/
	if (et->max_leaf_clusters && len > et->max_leaf_clusters)		if (et->et_max_leaf_clusters &&
			(len > et->et_max_leaf_clusters))
	insert->ins_contig = CONTIG_NONE;		insert->ins_contig = CONTIG_NONE;
	}		}
	}		}
	@@ -4225,7 +4229,7 @@ static int ocfs2_figure_insert_type(struct inode *inode,

	insert->ins_split = SPLIT_NONE;		insert->ins_split = SPLIT_NONE;

	el = et->root_el;		el = et->et_root_el;
	insert->ins_tree_depth = le16_to_cpu(el->l_tree_depth);		insert->ins_tree_depth = le16_to_cpu(el->l_tree_depth);

	if (el->l_tree_depth) {		if (el->l_tree_depth) {
	@@ -4263,7 +4267,7 @@ static int ocfs2_figure_insert_type(struct inode *inode,
	return 0;		return 0;
	}		}

	path = ocfs2_new_path(et->root_bh, et->root_el);		path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
	if (!path) {		if (!path) {
	ret = -ENOMEM;		ret = -ENOMEM;
	mlog_errno(ret);		mlog_errno(ret);
	@@ -4404,7 +4408,7 @@ static int ocfs2_insert_extent(struct ocfs2_super *osb,
	status = ocfs2_do_insert_extent(inode, handle, et, &rec, &insert);		status = ocfs2_do_insert_extent(inode, handle, et, &rec, &insert);
	if (status < 0)		if (status < 0)
	mlog_errno(status);		mlog_errno(status);
	else if (et->type == OCFS2_DINODE_EXTENT)		else if (et->et_type == OCFS2_DINODE_EXTENT)
	ocfs2_extent_map_insert_rec(inode, &rec);		ocfs2_extent_map_insert_rec(inode, &rec);

	bail:		bail:
	@@ -4678,7 +4682,7 @@ leftright:
	*/		*/
	rec = path_leaf_el(path)->l_recs[split_index];		rec = path_leaf_el(path)->l_recs[split_index];

	rightmost_el = et->root_el;		rightmost_el = et->et_root_el;

	depth = le16_to_cpu(rightmost_el->l_tree_depth);		depth = le16_to_cpu(rightmost_el->l_tree_depth);
	if (depth) {		if (depth) {
	@@ -4921,7 +4925,7 @@ int ocfs2_mark_extent_written(struct inode inode, struct buffer_head root_bh,
	if (et_type == OCFS2_DINODE_EXTENT)		if (et_type == OCFS2_DINODE_EXTENT)
	ocfs2_extent_map_trunc(inode, 0);		ocfs2_extent_map_trunc(inode, 0);

	left_path = ocfs2_new_path(et->root_bh, et->root_el);		left_path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
	if (!left_path) {		if (!left_path) {
	ret = -ENOMEM;		ret = -ENOMEM;
	mlog_errno(ret);		mlog_errno(ret);
	@@ -5001,7 +5005,7 @@ static int ocfs2_split_tree(struct inode inode, struct ocfs2_extent_tree et,
	rightmost_el = path_leaf_el(path);		rightmost_el = path_leaf_el(path);

	credits += path->p_tree_depth +		credits += path->p_tree_depth +
	ocfs2_extend_meta_needed(et->root_el);		ocfs2_extend_meta_needed(et->et_root_el);
	ret = ocfs2_extend_trans(handle, credits);		ret = ocfs2_extend_trans(handle, credits);
	if (ret) {		if (ret) {
	mlog_errno(ret);		mlog_errno(ret);
	@@ -5214,7 +5218,7 @@ int ocfs2_remove_extent(struct inode inode, struct buffer_head root_bh,

	ocfs2_extent_map_trunc(inode, 0);		ocfs2_extent_map_trunc(inode, 0);

	path = ocfs2_new_path(et->root_bh, et->root_el);		path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
	if (!path) {		if (!path) {
	ret = -ENOMEM;		ret = -ENOMEM;
	mlog_errno(ret);		mlog_errno(ret);