linux-kernel - Re: [PATCH v2 07/22] mm: Provide a means of invalidation without using launder

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Date: Wed, 1 May 2024 06:41:45 +0200
From: Christoph Hellwig <hch@....de>
To: David Howells <dhowells@...hat.com>
Cc: Christian Brauner <christian@...uner.io>,
	Jeff Layton <jlayton@...nel.org>,
	Gao Xiang <hsiangkao@...ux.alibaba.com>,
	Dominique Martinet <asmadeus@...ewreck.org>,
	Matthew Wilcox <willy@...radead.org>,
	Steve French <smfrench@...il.com>,
	Marc Dionne <marc.dionne@...istor.com>,
	Paulo Alcantara <pc@...guebit.com>,
	Shyam Prasad N <sprasad@...rosoft.com>, Tom Talpey <tom@...pey.com>,
	Eric Van Hensbergen <ericvh@...nel.org>,
	Ilya Dryomov <idryomov@...il.com>, netfs@...ts.linux.dev,
	linux-cachefs@...hat.com, linux-afs@...ts.infradead.org,
	linux-cifs@...r.kernel.org, linux-nfs@...r.kernel.org,
	ceph-devel@...r.kernel.org, v9fs@...ts.linux.dev,
	linux-erofs@...ts.ozlabs.org, linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, Miklos Szeredi <miklos@...redi.hu>,
	Trond Myklebust <trond.myklebust@...merspace.com>,
	Christoph Hellwig <hch@....de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>, devel@...ts.orangefs.org
Subject: Re: [PATCH v2 07/22] mm: Provide a means of invalidation without
 using launder_folio

> +	unmap_mapping_pages(mapping, first, nr, false);

> +}
> +EXPORT_SYMBOL(filemap_invalidate_inode);

unmap_mapping_pages is an EXPORT_SYMBOL_GPL, pleas keep that in
this in thin wrapper.