Re: [PATCH 1/2] AFS: Fix afs_prepare_write()

[Nick Piggin]

David Howells wrote:
> afs_prepare_write() should not mark a page up to date if it only partially
> fills it in, in expectation of the caller filling in the rest prior to calling
> commit_write().  commit_write(), however, should mark the page up to date.

Acked-by: Nick Piggin <npiggin@xxxxxxx>

> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
> ---
>
>  fs/afs/write.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/fs/afs/write.c b/fs/afs/write.c
> index 28f3751..a03b92a 100644
> --- a/fs/afs/write.c
> +++ b/fs/afs/write.c
> @@ -206,7 +206,6 @@ int afs_prepare_write(struct file *file, struct page *page,
>  			_leave(" = %d [prep]", ret);
>  			return ret;
>  		}
> -		SetPageUptodate(page);
>  	}
>  
>  try_again:
> @@ -311,8 +310,8 @@ int afs_commit_write(struct file *file, struct page *page,
>  		spin_unlock(&vnode->writeback_lock);
>  	}
>  
> +	SetPageUptodate(page);
>  	set_page_dirty(page);
> -
>  	if (PageDirty(page))
>  		_debug("dirtied");
>  


--
SUSE Labs, Novell Inc.
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