From: Joe Perches <joe@perches.com>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Juergen Gross <jgross@suse.com>,
sstabellini@kernel.org, roger.pau@citrix.com, axboe@kernel.dk
Cc: xen-devel@lists.xenproject.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] xen-blkfront: Use the bitmap API when applicable
Date: Fri, 03 Dec 2021 23:05:37 -0800 [thread overview]
Message-ID: <06f74e760966a090027bcfec8c22e97bc040e933.camel@perches.com> (raw)
In-Reply-To: <f9a5bc6c-347b-8243-2784-04199ef879c2@wanadoo.fr>
On Sat, 2021-12-04 at 07:57 +0100, Christophe JAILLET wrote:
> So, maybe adding an "official" 'bitmap_size()' (which is already
> existing and duplicated in a few places) would ease things.
>
> It would replace the 'nr_minors = BITS_TO_LONGS(end) * BITS_PER_LONG;'
> and hide the implementation details of the bitmap API.
>
> Something like:
> static __always_inline size_t bitmap_size(unsigned long nr_bits)
> {
> return BITS_TO_LONGS(nr_bits) * sizeof(long);
> }
Or maybe a bitmap_realloc
next prev parent reply other threads:[~2021-12-04 7:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-01 21:10 Christophe JAILLET
2021-12-02 6:12 ` Juergen Gross
2021-12-02 18:12 ` Christophe JAILLET
2021-12-02 18:16 ` Joe Perches
2021-12-02 19:07 ` Christophe JAILLET
2021-12-03 3:03 ` Joe Perches
2021-12-03 15:54 ` Christophe JAILLET
2021-12-03 16:10 ` Joe Perches
2021-12-03 21:04 ` Boris Ostrovsky
2021-12-04 6:57 ` Christophe JAILLET
2021-12-04 7:05 ` Joe Perches [this message]
2021-12-06 13:31 ` Boris Ostrovsky
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