RE: [PATCH 1/3] drivers: nvme: target: core: fix build break

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This looks good to me. 

Reviewed-by: Minwoo Im <minwoo.im@xxxxxxxxxxx>

> -----Original Message-----
> From: Linux-nvme [mailto:linux-nvme-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf
> Of Enrico Weigelt, metux IT consult
> Sent: Wednesday, April 24, 2019 7:35 PM
> To: linux-kernel@xxxxxxxxxxxxxxx
> Cc: axboe@xxxxxxxxx; linux-ide@xxxxxxxxxxxxxxx; linux-
> nvme@xxxxxxxxxxxxxxxxxxx
> Subject: [PATCH 1/3] drivers: nvme: target: core: fix build break
> 
> Build breaks:
> 
>     drivers/nvme/target/core.c: In function 'nvmet_req_alloc_sgl':
>     drivers/nvme/target/core.c:939:12: error: implicit declaration of \
> function 'sgl_alloc'; did you mean 'bio_alloc'? \
> [-Werror=implicit-function-declaration]
>       req->sg = sgl_alloc(req->transfer_len, GFP_KERNEL, &req->sg_cnt);
>                 ^~~~~~~~~
>                 bio_alloc
>     drivers/nvme/target/core.c:939:10: warning: assignment makes pointer \
> from integer without a cast [-Wint-conversion]
>       req->sg = sgl_alloc(req->transfer_len, GFP_KERNEL, &req->sg_cnt);
>               ^
>     drivers/nvme/target/core.c: In function 'nvmet_req_free_sgl':
>     drivers/nvme/target/core.c:952:3: error: implicit declaration of \
> function 'sgl_free'; did you mean 'ida_free'? [-Werror=implicit-function-
> declaration]
>        sgl_free(req->sg);
>        ^~~~~~~~
>        ida_free
> 
> Cause:
> 
>     1. missing include to <linux/scatterlist.h>
>     2. SGL_ALLOC needs to be enabled
> 
> Therefore adding the missing include, as well as Kconfig dependency.
> 
> Signed-off-by: Enrico Weigelt, metux IT consult <info@xxxxxxxxx>
> ---
>  drivers/nvme/target/Kconfig | 1 +
>  drivers/nvme/target/core.c  | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/nvme/target/Kconfig b/drivers/nvme/target/Kconfig
> index d94f25c..3ef0a4e 100644
> --- a/drivers/nvme/target/Kconfig
> +++ b/drivers/nvme/target/Kconfig
> @@ -3,6 +3,7 @@ config NVME_TARGET
>  	tristate "NVMe Target support"
>  	depends on BLOCK
>  	depends on CONFIGFS_FS
> +	select SGL_ALLOC
>  	help
>  	  This enabled target side support for the NVMe protocol, that is
>  	  it allows the Linux kernel to implement NVMe subsystems and
> diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
> index b3e765a..08851f5 100644
> --- a/drivers/nvme/target/core.c
> +++ b/drivers/nvme/target/core.c
> @@ -8,6 +8,7 @@
>  #include <linux/random.h>
>  #include <linux/rculist.h>
>  #include <linux/pci-p2pdma.h>
> +#include <linux/scatterlist.h>
> 
>  #include "nvmet.h"
> 
> --
> 1.9.1
> 
> 
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> Linux-nvme@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/linux-nvme



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