fs/ocfs2/blockcheck.c

337  * data is the block to be checked.  bc is a pointer to the
340  * bc should be a pointer inside data, as the function will
342  * bc does not point inside data, the caller must make sure any inline
346  * bc will be filled with little-endian values and will be ready to go to
350 			       struct ocfs2_block_check *bc)
355 	memset(bc, 0, sizeof(struct ocfs2_block_check));
366 	bc->bc_crc32e = cpu_to_le32(crc);
367 	bc->bc_ecc = cpu_to_le16((u16)ecc);
372  * the function will take care of zeroing bc before calculating check codes.
373  * If bc is not a pointer inside data, the caller must have zeroed any
379 			       struct ocfs2_block_check *bc,
389 	bc_crc32e = le32_to_cpu(bc->bc_crc32e);
390 	bc_ecc = le16_to_cpu(bc->bc_ecc);
392 	memset(bc, 0, sizeof(struct ocfs2_block_check));
421 	bc->bc_crc32e = cpu_to_le32(bc_crc32e);
422 	bc->bc_ecc = cpu_to_le16(bc_ecc);
429  * bhs is the blocks to be checked.  bc is a pointer to the
432  * bc should be a pointer inside data, as the function will
434  * bc does not point inside data, the caller must make sure any inline
438  * bc will be filled with little-endian values and will be ready to go to
442 				   struct ocfs2_block_check *bc)
452 	memset(bc, 0, sizeof(struct ocfs2_block_check));
472 	bc->bc_crc32e = cpu_to_le32(crc);
473 	bc->bc_ecc = cpu_to_le16((u16)ecc);
479  * zeroing bc before calculating check codes.  If bc is not a pointer
486 				   struct ocfs2_block_check *bc,
501 	bc_crc32e = le32_to_cpu(bc->bc_crc32e);
502 	bc_ecc = le16_to_cpu(bc->bc_ecc);
504 	memset(bc, 0, sizeof(struct ocfs2_block_check));
552 	bc->bc_crc32e = cpu_to_le32(bc_crc32e);
553 	bc->bc_ecc = cpu_to_le16(bc_ecc);
565 			    struct ocfs2_block_check *bc)
568 		ocfs2_block_check_compute(data, sb->s_blocksize, bc);
572 			    struct ocfs2_block_check *bc)
578 		rc = ocfs2_block_check_validate(data, sb->s_blocksize, bc,
586 				struct ocfs2_block_check *bc)
589 		ocfs2_block_check_compute_bhs(bhs, nr, bc);
594 				struct ocfs2_block_check *bc)
600 		rc = ocfs2_block_check_validate_bhs(bhs, nr, bc,