Re: [PATCH v2 1/4] dax: kill uml support
From: Jan Kara
Date: Fri Dec 23 2016 - 08:45:46 EST
On Thu 22-12-16 14:18:53, Ross Zwisler wrote:
> From: Dan Williams <dan.j.williams@xxxxxxxxx>
>
> The lack of common transparent-huge-page helpers for UML is becoming
> increasingly painful for fs/dax.c now that it is growing more pmd
> functionality. Add UML to the list of unsupported architectures.
>
> Cc: Jan Kara <jack@xxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: Dave Chinner <david@xxxxxxxxxxxxx>
> Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
> Cc: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
> Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
> Cc: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> [rez: squashed #ifdef removal into another patch in the series ]
> Signed-off-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
Fine by me. You can add:
Acked-by: Jan Kara <jack@xxxxxxx>
Honza
> ---
> fs/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/Kconfig b/fs/Kconfig
> index c2a377c..661931f 100644
> --- a/fs/Kconfig
> +++ b/fs/Kconfig
> @@ -37,7 +37,7 @@ source "fs/f2fs/Kconfig"
> config FS_DAX
> bool "Direct Access (DAX) support"
> depends on MMU
> - depends on !(ARM || MIPS || SPARC)
> + depends on !(ARM || MIPS || SPARC || UML)
> help
> Direct Access (DAX) can be used on memory-backed block devices.
> If the block device supports DAX and the filesystem supports DAX,
> --
> 2.7.4
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR