diff mbox series

[12/29] fsdax: remove a pointless __force cast in copy_cow_page_dax

Message ID 20211109083309.584081-13-hch@lst.de
State Not Applicable
Headers show
Series [01/29] nvdimm/pmem: move dax_attribute_group from dax to pmem | expand

Commit Message

Christoph Hellwig Nov. 9, 2021, 8:32 a.m. UTC 
Despite its name copy_user_page expected kernel addresses, which is what
we already have.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/dax.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Dan Williams Nov. 23, 2021, 4:17 a.m. UTC | #1 
On Tue, Nov 9, 2021 at 12:34 AM Christoph Hellwig <hch@lst.de> wrote:
>
> Despite its name copy_user_page expected kernel addresses, which is what
> we already have.

Yup,

Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Darrick J. Wong Nov. 23, 2021, 10:33 p.m. UTC | #2 
On Tue, Nov 09, 2021 at 09:32:52AM +0100, Christoph Hellwig wrote:
> Despite its name copy_user_page expected kernel addresses, which is what
> we already have.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Looks ok,
Reviewed-by: Darrick J. Wong <djwong@kernel.org>

--D

> ---
>  fs/dax.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/dax.c b/fs/dax.c
> index 4e3e5a283a916..73bd1439d8089 100644
> --- a/fs/dax.c
> +++ b/fs/dax.c
> @@ -728,7 +728,7 @@ static int copy_cow_page_dax(struct block_device *bdev, struct dax_device *dax_d
>  		return rc;
>  	}
>  	vto = kmap_atomic(to);
> -	copy_user_page(vto, (void __force *)kaddr, vaddr, to);
> +	copy_user_page(vto, kaddr, vaddr, to);
>  	kunmap_atomic(vto);
>  	dax_read_unlock(id);
>  	return 0;
> -- 
> 2.30.2
>
diff mbox series

Patch

diff --git a/fs/dax.c b/fs/dax.c
index 4e3e5a283a916..73bd1439d8089 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -728,7 +728,7 @@  static int copy_cow_page_dax(struct block_device *bdev, struct dax_device *dax_d
 		return rc;
 	}
 	vto = kmap_atomic(to);
-	copy_user_page(vto, (void __force *)kaddr, vaddr, to);
+	copy_user_page(vto, kaddr, vaddr, to);
 	kunmap_atomic(vto);
 	dax_read_unlock(id);
 	return 0;