97 u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, unsigned int nr)  in ocfs2_hamming_encode()  argument
112 	for (i = 0; (i = ocfs2_find_next_bit(data, d, i)) < d; i++)  in ocfs2_hamming_encode()
144 u32 ocfs2_hamming_encode_block(void *data, unsigned int blocksize)  in ocfs2_hamming_encode_block()  argument
146 	return ocfs2_hamming_encode(0, data, blocksize * 8, 0);  in ocfs2_hamming_encode_block()
156 void ocfs2_hamming_fix(void *data, unsigned int d, unsigned int nr,  in ocfs2_hamming_fix()  argument
203 			if (ocfs2_test_bit(i, data))  in ocfs2_hamming_fix()
204 				ocfs2_clear_bit(i, data);  in ocfs2_hamming_fix()
206 				ocfs2_set_bit(i, data);  in ocfs2_hamming_fix()
212 void ocfs2_hamming_fix_block(void *data, unsigned int blocksize,  in ocfs2_hamming_fix_block()  argument
215 	ocfs2_hamming_fix(data, blocksize * 8, 0, fix);  in ocfs2_hamming_fix_block()
225 static int blockcheck_u64_get(void *data, u64 *val)  in blockcheck_u64_get()  argument
227 	*val = *(u64 *)data;  in blockcheck_u64_get()
349 void ocfs2_block_check_compute(void *data, size_t blocksize,  in ocfs2_block_check_compute()  argument
357 	crc = crc32_le(~0, data, blocksize);  in ocfs2_block_check_compute()
358 	ecc = ocfs2_hamming_encode_block(data, blocksize);  in ocfs2_block_check_compute()
378 int ocfs2_block_check_validate(void *data, size_t blocksize,  in ocfs2_block_check_validate()  argument
395 	crc = crc32_le(~0, data, blocksize);  in ocfs2_block_check_validate()
405 	ecc = ocfs2_hamming_encode_block(data, blocksize);  in ocfs2_block_check_validate()
406 	ocfs2_hamming_fix_block(data, blocksize, ecc ^ bc_ecc);  in ocfs2_block_check_validate()
409 	crc = crc32_le(~0, data, blocksize);  in ocfs2_block_check_validate()
564 void ocfs2_compute_meta_ecc(struct super_block *sb, void *data,  in ocfs2_compute_meta_ecc()  argument
568 		ocfs2_block_check_compute(data, sb->s_blocksize, bc);  in ocfs2_compute_meta_ecc()
571 int ocfs2_validate_meta_ecc(struct super_block *sb, void *data,  in ocfs2_validate_meta_ecc()  argument
578 		rc = ocfs2_block_check_validate(data, sb->s_blocksize, bc,  in ocfs2_validate_meta_ecc()