Re: [PATCH] [RESEND] fs: cachefiles: Add support for large files in filesystem caching

[Andrew Morton <akpm@linux-foundation.org>]

On Mon, 11 Jun 2012 11:08:21 +0530
Suresh Jayaraman <sjayaraman@suse.com> wrote:

> The below patch which was first posted here:
> 
>    https://lkml.org/lkml/2012/4/3/193
> 
> and tested by me and picked up by the maintainer here:
> 
>    https://lkml.org/lkml/2012/5/1/57
> 
> But it seems to not to have made to the linux-next or Linus tree.
> I'm resending what it seems like a lost patch.
> 
> 
> From: Justin Lecher <jlec@gentoo.org>
> 
> Support the caching of large files.
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=31182
> 
> Signed-off-by: Justin Lecher <jlec@gentoo.org>
> Tested-by: Suresh Jayaraman <sjayaraman@suse.com>
> ---
>  fs/cachefiles/rdwr.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
> index 0e3c092..d136686 100644
> --- a/fs/cachefiles/rdwr.c
> +++ b/fs/cachefiles/rdwr.c
> @@ -919,7 +919,7 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page)
>  	dget(object->backer);
>  	mntget(cache->mnt);
>  	file = dentry_open(object->backer, cache->mnt, O_RDWR,
> -			   cache->cache_cred);
> +			   (O_RDWR | O_LARGEFILE), cache->cache_cred);

Doesn't compile.

How extensively was this change tested?  Please describe the testing
which was performed?