On 5/22/17 10:48 AM, Eric Sandeen wrote:
> This was throwing unaligned access warnings on sparc64:
>
> Kernel unaligned access at TPC[1043c088] xfs_btree_visit_blocks+0x88/0xe0 [xfs]
>
> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> ---
(FYI lightly tested only - did a mount & fs traversal of the fs in
question with this patch)
-Eric
> diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
> index 5392674..84089f8 100644
> --- a/fs/xfs/libxfs/xfs_btree.c
> +++ b/fs/xfs/libxfs/xfs_btree.c
> @@ -4395,7 +4395,7 @@ struct xfs_btree_split_args {
> xfs_btree_readahead_ptr(cur, ptr, 1);
>
> /* save for the next iteration of the loop */
> - lptr = *ptr;
> + lptr = get_unaligned(ptr);
> }
>
> /* for each buffer in the level */
> --
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