2011-08-19 21:21:57

by Wanlong Gao

Subject: [PATCH] nfs:include <linux/prefetch.h> to fix compiling error

From: Wanlong Gao <[email protected]>

fs/nfs/blocklayout/blocklayout.c: In function 'bl_end_io_read':
fs/nfs/blocklayout/blocklayout.c:201:4: error: implicit
declaration of function 'prefetchw'
make[4]: *** [fs/nfs/blocklayout/blocklayout.o] Error 1
make[3]: *** [fs/nfs/blocklayout] Error 2
make[2]: *** [fs/nfs] Error 2
make[1]: *** [fs] Error 2

Signed-off-by: Wanlong Gao <[email protected]>
---
fs/nfs/blocklayout/blocklayout.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index e56564d..9561c8f 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -36,6 +36,7 @@
#include <linux/namei.h>
#include <linux/bio.h> /* struct bio */
#include <linux/buffer_head.h> /* various write calls */
+#include <linux/prefetch.h>

#include "blocklayout.h"

--
1.7.4.1

2011-08-19 21:38:05

by Myklebust, Trond

Subject: Re: [PATCH] nfs:include <linux/prefetch.h> to fix compiling error

On Sat, 2011-08-20 at 05:19 +0800, Wanlong Gao wrote:
> From: Wanlong Gao <[email protected]>
>
> fs/nfs/blocklayout/blocklayout.c: In function 'bl_end_io_read':
> fs/nfs/blocklayout/blocklayout.c:201:4: error: implicit
> declaration of function 'prefetchw'
> make[4]: *** [fs/nfs/blocklayout/blocklayout.o] Error 1
> make[3]: *** [fs/nfs/blocklayout] Error 2
> make[2]: *** [fs/nfs] Error 2
> make[1]: *** [fs] Error 2
>
> Signed-off-by: Wanlong Gao <[email protected]>
> ---
> fs/nfs/blocklayout/blocklayout.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
> index e56564d..9561c8f 100644
> --- a/fs/nfs/blocklayout/blocklayout.c
> +++ b/fs/nfs/blocklayout/blocklayout.c
> @@ -36,6 +36,7 @@
> #include <linux/namei.h>
> #include <linux/bio.h> /* struct bio */
> #include <linux/buffer_head.h> /* various write calls */
> +#include <linux/prefetch.h>
>
> #include "blocklayout.h"
>

A similar patch has already been merged upstream. See commit
88c9e42196285a7c573e2abda11a4b5037c669bc (nfs: add missing prefetch.h
include).

Trond

--
Trond Myklebust
Linux NFS client maintainer

NetApp
[email protected]
http://www.netapp.com