linux-kernel - Re: [PATCH v5 01/27] fs/cachefiles: Remove wait_bit

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Message-ID: <1878127.1616405135@warthog.procyon.org.uk>
Date:   Mon, 22 Mar 2021 09:25:35 +0000
From:   David Howells <dhowells@...hat.com>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     dhowells@...hat.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-cachefs@...hat.com, linux-afs@...ts.infradead.org
Subject: Re: [PATCH v5 01/27] fs/cachefiles: Remove wait_bit_key layout dependency

Matthew Wilcox (Oracle) <willy@...radead.org> wrote:

> Cachefiles was relying on wait_page_key and wait_bit_key being the
> same layout, which is fragile.  Now that wait_page_key is exposed in
> the pagemap.h header, we can remove that fragility
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>

Acked-and-tested-by: David Howells <dhowells@...hat.com>

I wonder if this could be pushed directly to Linus now since we're relying on
two different structs being compatible.