On Fri, May 10, 2019 at 01:15:45PM +0200, Johannes Thumshirn wrote:
> btrfs_csum_data() and btrfs_csum_final() still have assumptions on the
> checksums' type and size. Remove it so we can plumb in more types.
> 
> Signed-off-by: Johannes Thumshirn <[email protected]>
> ---
>  fs/btrfs/check-integrity.c |  6 ++---
>  fs/btrfs/compression.c     | 13 ++++++-----
>  fs/btrfs/disk-io.c         | 58 
> +++++++++++++++++++++++++---------------------
>  fs/btrfs/disk-io.h         |  6 ++---
>  fs/btrfs/file-item.c       | 13 +++++------
>  fs/btrfs/inode.c           | 18 +++++++-------
>  fs/btrfs/scrub.c           | 20 +++++++++-------
>  7 files changed, 72 insertions(+), 62 deletions(-)
> 
> diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
> index 6aad0c3d197f..54c8a549b505 100644
> --- a/fs/btrfs/check-integrity.c
> +++ b/fs/btrfs/check-integrity.c
> @@ -1712,7 +1712,6 @@ static int btrfsic_test_for_metadata(struct 
> btrfsic_state *state,
>       struct btrfs_fs_info *fs_info = state->fs_info;
>       struct btrfs_header *h;
>       u8 csum[BTRFS_CSUM_SIZE];
> -     u32 crc = ~(u32)0;
>       unsigned int i;
>  
>       if (num_pages * PAGE_SIZE < state->metablock_size)
> @@ -1723,14 +1722,15 @@ static int btrfsic_test_for_metadata(struct 
> btrfsic_state *state,
>       if (memcmp(h->fsid, fs_info->fs_devices->fsid, BTRFS_FSID_SIZE))
>               return 1;
>  
> +     memset(csum, 0xff, btrfs_super_csum_size(fs_info->super_copy));

This should be added to the csum API as eg. btrfs_csum_init and not
opencoded.

Reply via email to