jbd2_journal_block_tail
csum_size = sizeof(struct jbd2_journal_block_tail);
tail = (struct jbd2_journal_block_tail *)(bh->b_data + j->j_blocksize -
sizeof(struct jbd2_journal_block_tail));
space -= sizeof(struct jbd2_journal_block_tail);
tag_space -= sizeof(struct jbd2_journal_block_tail);
struct jbd2_journal_block_tail *tail;
struct jbd2_journal_block_tail *tail;
tail = (struct jbd2_journal_block_tail *)((char *)buf +
j->j_blocksize - sizeof(struct jbd2_journal_block_tail));
size -= sizeof(struct jbd2_journal_block_tail);
descr_csum_size = sizeof(struct jbd2_journal_block_tail);
csum_size = sizeof(struct jbd2_journal_block_tail);
csum_size = sizeof(struct jbd2_journal_block_tail);