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loader: zio_checksum_verify should check byteswap

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We do have both native and byteswap checksum callbacks in place but the
selection is not wired.

MFC after:	1 week
This commit is contained in:
Toomas Soome 2019-10-27 08:35:29 +00:00
parent 43e9023f2d
commit 903fe2b762
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=354127
2 changed files with 9 additions and 1 deletions
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7
sys/cddl/boot/zfs/zfsimpl.h
View File

@ -442,6 +442,13 @@ _NOTE(CONSTCOND) } while (0)
ZIO_SET_CHECKSUM(&(bp)->blk_cksum, 0, 0, 0, 0); \
}
#if BYTE_ORDER == _BIG_ENDIAN
#define ZFS_HOST_BYTEORDER (0ULL)
#else
#define ZFS_HOST_BYTEORDER (1ULL)
#endif
#define BP_SHOULD_BYTESWAP(bp) (BP_GET_BYTEORDER(bp) != ZFS_HOST_BYTEORDER)
#define BPE_NUM_WORDS 14
#define BPE_PAYLOAD_SIZE (BPE_NUM_WORDS * sizeof (uint64_t))
#define BPE_IS_PAYLOADWORD(bp, wp) \

3
sys/cddl/boot/zfs/zfssubr.c
View File

@ -318,8 +318,9 @@ zio_checksum_verify(const spa_t *spa, const blkptr_t *bp, void *data)
byteswap_uint64_array(&expected_cksum,
sizeof (zio_cksum_t));
} else {
byteswap = BP_SHOULD_BYTESWAP(bp);
expected_cksum = bp->blk_cksum;
ci->ci_func[0](data, size, ctx, &actual_cksum);
ci->ci_func[byteswap](data, size, ctx, &actual_cksum);
}
if (!ZIO_CHECKSUM_EQUAL(actual_cksum, expected_cksum)) {