C++ (Cpp) nilfs_bmap_prepare_end_ptr Exemples

Exemple #1

Fichier : direct.c Projet : AppEngine/linux-2.6

static int nilfs_direct_prepare_delete(struct nilfs_direct *direct,
				       union nilfs_bmap_ptr_req *req,
				       __u64 key,
				       struct nilfs_bmap_stats *stats)
{
	int ret;

	req->bpr_ptr = nilfs_direct_get_ptr(direct, key);
	ret = nilfs_bmap_prepare_end_ptr(&direct->d_bmap, req);
	if (!ret)
		stats->bs_nblocks = 1;
	return ret;
}

Exemple #2

static int nilfs_direct_delete(struct nilfs_bmap *bmap, __u64 key)
{
	union nilfs_bmap_ptr_req req;
	struct inode *dat;
	int ret;

	if (key > NILFS_DIRECT_KEY_MAX ||
	    nilfs_direct_get_ptr(bmap, key) == NILFS_BMAP_INVALID_PTR)
		return -ENOENT;

	dat = NILFS_BMAP_USE_VBN(bmap) ? nilfs_bmap_get_dat(bmap) : NULL;
	req.bpr_ptr = nilfs_direct_get_ptr(bmap, key);

	ret = nilfs_bmap_prepare_end_ptr(bmap, &req, dat);
	if (!ret) {
		nilfs_bmap_commit_end_ptr(bmap, &req, dat);
		nilfs_direct_set_ptr(bmap, key, NILFS_BMAP_INVALID_PTR);
		nilfs_inode_sub_blocks(bmap->b_inode, 1);
	}
	return ret;
}