Exemple #1
0
void ocfs2_put_slot(struct ocfs2_super *osb)
{
	int status;
	struct ocfs2_slot_info *si = osb->slot_info;

	if (!si)
		return;

	ocfs2_update_slot_info(si);

	spin_lock(&si->si_lock);
	__ocfs2_fill_slot(si, osb->slot_num, OCFS2_INVALID_SLOT);
	osb->slot_num = OCFS2_INVALID_SLOT;
	spin_unlock(&si->si_lock);

	status = ocfs2_update_disk_slots(osb, si);
	if (status < 0) {
		mlog_errno(status);
		goto bail;
	}

bail:
	osb->slot_info = NULL;
	ocfs2_free_slot_info(si);
}
Exemple #2
0
void ocfs2_put_slot(struct ocfs2_super *osb)
{
	int status, slot_num;
	struct ocfs2_slot_info *si = osb->slot_info;

	if (!si)
		return;

	spin_lock(&osb->osb_lock);
	ocfs2_update_slot_info(si);

	slot_num = osb->slot_num;
	ocfs2_invalidate_slot(si, osb->slot_num);
	osb->slot_num = OCFS2_INVALID_SLOT;
	spin_unlock(&osb->osb_lock);

	status = ocfs2_update_disk_slot(osb, si, slot_num);
	if (status < 0) {
		mlog_errno(status);
		goto bail;
	}

bail:
	ocfs2_free_slot_info(osb);
}
Exemple #3
0
int ocfs2_init_slot_info(struct ocfs2_super *osb)
{
	int status, i;
	u64 blkno;
	struct inode *inode = NULL;
	struct buffer_head *bh = NULL;
	struct ocfs2_slot_info *si;

	si = kzalloc(sizeof(struct ocfs2_slot_info), GFP_KERNEL);
	if (!si) {
		status = -ENOMEM;
		mlog_errno(status);
		goto bail;
	}

	spin_lock_init(&si->si_lock);
	si->si_num_slots = osb->max_slots;
	si->si_size = OCFS2_MAX_SLOTS;

	for(i = 0; i < si->si_num_slots; i++)
		si->si_global_node_nums[i] = OCFS2_INVALID_SLOT;

	inode = ocfs2_get_system_file_inode(osb, SLOT_MAP_SYSTEM_INODE,
					    OCFS2_INVALID_SLOT);
	if (!inode) {
		status = -EINVAL;
		mlog_errno(status);
		goto bail;
	}

	status = ocfs2_extent_map_get_blocks(inode, 0ULL, 1, &blkno, NULL);
	if (status < 0) {
		mlog_errno(status);
		goto bail;
	}

	status = ocfs2_read_block(osb, blkno, &bh, 0, inode);
	if (status < 0) {
		mlog_errno(status);
		goto bail;
	}

	si->si_inode = inode;
	si->si_bh = bh;
	osb->slot_info = si;
bail:
	if (status < 0 && si)
		ocfs2_free_slot_info(si);

	return status;
}