C++ (Cpp) extend_credit_for_blkdelの例

コード例 #1

ファイル: migrate.c プロジェクト: AICP/kernel_moto_shamu

static int free_dind_blocks(handle_t *handle,
				struct inode *inode, __le32 i_data)
{
	int i;
	__le32 *tmp_idata;
	struct buffer_head *bh;
	unsigned long max_entries = inode->i_sb->s_blocksize >> 2;

	bh = sb_bread(inode->i_sb, le32_to_cpu(i_data));
	if (!bh)
		return -EIO;

	tmp_idata = (__le32 *)bh->b_data;
	for (i = 0; i < max_entries; i++) {
		if (tmp_idata[i]) {
			extend_credit_for_blkdel(handle, inode);
			ext4_free_blocks(handle, inode, NULL,
					 le32_to_cpu(tmp_idata[i]), 1,
					 EXT4_FREE_BLOCKS_METADATA |
					 EXT4_FREE_BLOCKS_FORGET);
		}
	}
	put_bh(bh);
	extend_credit_for_blkdel(handle, inode);
	ext4_free_blocks(handle, inode, NULL, le32_to_cpu(i_data), 1,
			 EXT4_FREE_BLOCKS_METADATA |
			 EXT4_FREE_BLOCKS_FORGET);
	return 0;
}

コード例 #2

ファイル: migrate.c プロジェクト: AICP/kernel_moto_shamu

static int free_ext_idx(handle_t *handle, struct inode *inode,
					struct ext4_extent_idx *ix)
{
	int i, retval = 0;
	ext4_fsblk_t block;
	struct buffer_head *bh;
	struct ext4_extent_header *eh;

	block = ext4_idx_pblock(ix);
	bh = sb_bread(inode->i_sb, block);
	if (!bh)
		return -EIO;

	eh = (struct ext4_extent_header *)bh->b_data;
	if (eh->eh_depth != 0) {
		ix = EXT_FIRST_INDEX(eh);
		for (i = 0; i < le16_to_cpu(eh->eh_entries); i++, ix++) {
			retval = free_ext_idx(handle, inode, ix);
			if (retval)
				break;
		}
	}
	put_bh(bh);
	extend_credit_for_blkdel(handle, inode);
	ext4_free_blocks(handle, inode, NULL, block, 1,
			 EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET);
	return retval;
}

コード例 #3

ファイル: migrate.c プロジェクト: AICP/kernel_moto_shamu

static int free_ind_block(handle_t *handle, struct inode *inode, __le32 *i_data)
{
	int retval;

	/* ei->i_data[EXT4_IND_BLOCK] */
	if (i_data[0]) {
		extend_credit_for_blkdel(handle, inode);
		ext4_free_blocks(handle, inode, NULL,
				le32_to_cpu(i_data[0]), 1,
				 EXT4_FREE_BLOCKS_METADATA |
				 EXT4_FREE_BLOCKS_FORGET);
	}

	/* ei->i_data[EXT4_DIND_BLOCK] */
	if (i_data[1]) {
		retval = free_dind_blocks(handle, inode, i_data[1]);
		if (retval)
			return retval;
	}

	/* ei->i_data[EXT4_TIND_BLOCK] */
	if (i_data[2]) {
		retval = free_tind_blocks(handle, inode, i_data[2]);
		if (retval)
			return retval;
	}
	return 0;
}

コード例 #4

ファイル: migrate.c プロジェクト: 325116067/semc-qsd8x50

static int free_tind_blocks(handle_t *handle,
				struct inode *inode, __le32 i_data)
{
	int i, retval = 0;
	__le32 *tmp_idata;
	struct buffer_head *bh;
	unsigned long max_entries = inode->i_sb->s_blocksize >> 2;

	bh = sb_bread(inode->i_sb, le32_to_cpu(i_data));
	if (!bh)
		return -EIO;

	tmp_idata = (__le32 *)bh->b_data;
	for (i = 0; i < max_entries; i++) {
		if (tmp_idata[i]) {
			retval = free_dind_blocks(handle,
					inode, tmp_idata[i]);
			if (retval) {
				put_bh(bh);
				return retval;
			}
		}
	}
	put_bh(bh);
	extend_credit_for_blkdel(handle, inode);
	ext4_free_blocks(handle, inode, le32_to_cpu(i_data), 1, 1);
	return 0;
}

コード例 #5

ファイル: migrate.c プロジェクト: Core2idiot/Kernel-Samsung-3.0...-

static int free_dind_blocks(handle_t *handle,
                            struct inode *inode, __le32 i_data)
{
    int i;
    __le32 *tmp_idata;
    struct buffer_head *bh;
    unsigned long max_entries = inode->i_sb->s_blocksize >> 2;

    bh = sb_bread(inode->i_sb, le32_to_cpu(i_data));
    if (!bh)
        return -EIO;

    tmp_idata = (__le32 *)bh->b_data;
    for (i = 0; i < max_entries; i++) {
        if (tmp_idata[i]) {
            extend_credit_for_blkdel(handle, inode);
            <<<<<<< HEAD
            ext4_free_blocks(handle, inode, NULL,
                             =======
                                 ext4_free_blocks(handle, inode, 0,
                                                  >>>>>>> 296c66da8a02d52243f45b80521febece5ed498a
                                                  le32_to_cpu(tmp_idata[i]), 1,
                                                  EXT4_FREE_BLOCKS_METADATA |
                                                  EXT4_FREE_BLOCKS_FORGET);
        }
    }