Exemplos de nilfs_palloc_commit_free_entry em C++ (Cpp)

Exemplo n.º 1

Arquivo: ifile.c Projeto: openube/android_kernel_sony_c2305

/**
 * nilfs_ifile_delete_inode - delete a disk inode
 * @ifile: ifile inode
 * @ino: inode number
 *
 * Return Value: On success, 0 is returned. On error, one of the following
 * negative error codes is returned.
 *
 * %-EIO - I/O error.
 *
 * %-ENOMEM - Insufficient amount of memory available.
 *
 * %-ENOENT - The inode number @ino have not been allocated.
 */
int nilfs_ifile_delete_inode(struct inode *ifile, ino_t ino)
{
	struct nilfs_palloc_req req = {
		.pr_entry_nr = ino, .pr_entry_bh = NULL
	};
	struct nilfs_inode *raw_inode;
	void *kaddr;
	int ret;

	ret = nilfs_palloc_prepare_free_entry(ifile, &req);
	if (!ret) {
		ret = nilfs_palloc_get_entry_block(ifile, req.pr_entry_nr, 0,
						   &req.pr_entry_bh);
		if (ret < 0)
			nilfs_palloc_abort_free_entry(ifile, &req);
	}
	if (ret < 0) {
		brelse(req.pr_entry_bh);
		return ret;
	}

	kaddr = kmap_atomic(req.pr_entry_bh->b_page);
	raw_inode = nilfs_palloc_block_get_entry(ifile, req.pr_entry_nr,
						 req.pr_entry_bh, kaddr);
	raw_inode->i_flags = 0;
	kunmap_atomic(kaddr);

	mark_buffer_dirty(req.pr_entry_bh);
	brelse(req.pr_entry_bh);

	nilfs_palloc_commit_free_entry(ifile, &req);

	return 0;
}

Exemplo n.º 2

Arquivo: dat.c Projeto: mikuhatsune001/linux2.6.32

void nilfs_dat_commit_free(struct inode *dat, struct nilfs_palloc_req *req)
{
	struct nilfs_dat_entry *entry;
	void *kaddr;

	kaddr = kmap_atomic(req->pr_entry_bh->b_page, KM_USER0);
	entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,
					     req->pr_entry_bh, kaddr);
	entry->de_start = cpu_to_le64(NILFS_CNO_MIN);
	entry->de_end = cpu_to_le64(NILFS_CNO_MIN);
	entry->de_blocknr = cpu_to_le64(0);
	kunmap_atomic(kaddr, KM_USER0);

	nilfs_dat_commit_entry(dat, req);
	nilfs_palloc_commit_free_entry(dat, req);
}