linux-kernel - Re: [PATCH 06/21] fs: Clean up inode reference counting

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Date:	Wed, 20 Oct 2010 21:41:43 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/21] fs: Clean up inode reference counting

> diff --git a/fs/nfs/write.c b/fs/nfs/write.c
> index 874972d..d1c2f08 100644
> --- a/fs/nfs/write.c
> +++ b/fs/nfs/write.c
> @@ -390,7 +390,7 @@ static int nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
>  	error = radix_tree_insert(&nfsi->nfs_page_tree, req->wb_index, req);
>  	BUG_ON(error);
>  	if (!nfsi->npages) {
> -		igrab(inode);
> +		iref(inode);
>  		if (nfs_have_delegation(inode, FMODE_WRITE))
>  			nfsi->change_attr++;

This still needs to be an unlocked increment, as point out in reply to
the last iteration.

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