linux-kernel - Re: [PATCH 02/19] kernel: add bl

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Message-ID: <20101016163206.GE20086@infradead.org>
Date:	Sat, 16 Oct 2010 12:32:06 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Nick Piggin <npiggin@...nel.dk>
Cc:	Dave Chinner <david@...morbit.com>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/19] kernel: add bl_list

On Sat, Oct 16, 2010 at 08:51:50PM +1100, Nick Piggin wrote:
> I don't know why Christoph asked for these; he's usually against
> obfuscating wrapper functions.
> 
> bit_spin_lock is fine in callers so please leave it at that.
> Other users may not want a spinlock, or might want to use
> bit_spin_is_locked, bit_spin_trylock etc.

See the comments on the previous posting of this.  It provides a useful
abtraction.  And yes, eventually we might need more wrappers, but
we can add them as needed.

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