From: David Howells <dhowells@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: torvalds@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] AFS: Fix file locking
Date: Wed, 18 Jul 2007 10:23:35 +0100 [thread overview]
Message-ID: <5540.1184750615@redhat.com> (raw)
In-Reply-To: <20070717175017.8b8a8976.akpm@linux-foundation.org>
Andrew Morton <akpm@linux-foundation.org> wrote:
> Here we use
>
> vnode->flags & (1 << foo)
>
> > + set_bit(AFS_VNODE_LOCKING, &vnode->flags);
>
> and elsewhere we use set_bit(foo, &vnode->flags) and clear_bit()
Ah... IIRC I was originally testing multiple bits in one go (test_bit()'s do
not merge because of the volatile pointer).
However, as I'm doing only one test now, I'll convert it to test_bit().
David
prev parent reply other threads:[~2007-07-18 9:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-17 12:47 [PATCH] AFS: Fix file locking David Howells
2007-07-18 0:50 ` Andrew Morton
2007-07-18 5:56 ` Nick Piggin
2007-07-20 3:41 ` Andrew Morton
2007-07-20 4:59 ` Nick Piggin
2007-07-21 1:37 ` Linus Torvalds
2007-07-23 7:07 ` Nick Piggin
2007-07-23 8:50 ` Satyam Sharma
2007-07-23 9:13 ` Satyam Sharma
2007-07-23 9:13 ` David Howells
2007-07-18 9:23 ` David Howells [this message]
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