diff options
| -rw-r--r-- | fs/btrfs/scrub.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 5ff6ee70ed2b..00429e4e64f4 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1795,11 +1795,15 @@ static int scrub_checksum_data(struct scrub_block *sblock) shash->tfm = fs_info->csum_shash; crypto_shash_init(shash); - crypto_shash_digest(shash, kaddr, PAGE_SIZE, csum); - if (memcmp(csum, spage->csum, sctx->fs_info->csum_size)) - sblock->checksum_error = 1; + /* + * In scrub_pages() and scrub_pages_for_parity() we ensure each spage + * only contains one sector of data. + */ + crypto_shash_digest(shash, kaddr, fs_info->sectorsize, csum); + if (memcmp(csum, spage->csum, fs_info->csum_size)) + sblock->checksum_error = 1; return sblock->checksum_error; } |