linux-kernel - Re: [PATCH] VM: Fix the gfp_mask in invalidate_complete

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Date:	Tue, 10 Oct 2006 08:18:26 -0400
From:	Steve Dickson <SteveD@...hat.com>
To:	Trond Myklebust <Trond.Myklebust@...app.com>
CC:	David Howells <dhowells@...hat.com>, Andrew Morton <akpm@...l.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] VM: Fix the gfp_mask in invalidate_complete_page2



Trond Myklebust wrote:
> 
> No. Invalidatepage does precisely the wrong thing: it invalidates dirty
> data instead of committing it to disk. If you need to have the data
> invalidated, then you should call truncate_inode_pages().
Just curious... would it make sense to call truncate_inode_pages()
to purge the the readdir cache? Meaning, in nfs_revalidate_mapping()
truncate_inode_pages() would be called for S_ISDIR inodes?

It seems to me that it would be more of a decisive why to ensure
the readdir cache is purged...

steved.

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