linux-kernel - Re: [PATCH 6/9] fuse: Push file_update_time() into fuse_page

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Date:	Thu, 01 Mar 2012 20:31:17 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	Jan Kara <jack@...e.cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	LKML <linux-kernel@...r.kernel.org>,
	Al Viro <viro@...IV.linux.org.uk>,
	linux-fsdevel@...r.kernel.org, dchinner@...hat.com,
	fuse-devel@...ts.sourceforge.net
Subject: Re: [PATCH 6/9] fuse: Push file_update_time() into fuse_page_mkwrite()

Jan Kara <jack@...e.cz> writes:

> CC: Miklos Szeredi <miklos@...redi.hu>
> CC: fuse-devel@...ts.sourceforge.net
> Signed-off-by: Jan Kara <jack@...e.cz>
> ---
>  fs/fuse/file.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/fs/fuse/file.c b/fs/fuse/file.c
> index 4a199fd..eade72e 100644
> --- a/fs/fuse/file.c
> +++ b/fs/fuse/file.c
> @@ -1323,6 +1323,7 @@ static int fuse_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
>  	 */
>  	struct inode *inode = vma->vm_file->f_mapping->host;
>  
> +	file_update_time(vma->vm_file);

Fuse sets S_CMTIME in inode flags, so this is a no-op.  IOW the patch is
not needed.

Thanks,
Miklos
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