From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 12AE32C870 for ; Wed, 13 Dec 2023 13:29:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="rG7z3hdl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6BD7CC433C7 for ; Wed, 13 Dec 2023 13:29:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702474177; bh=fE5ARQCDFJzsAwixZpHv72uJIODa0w/TTFKLjUBuMo4=; h=In-Reply-To:References:From:Date:Subject:To:Cc:From; b=rG7z3hdlzfuDji8AK5b41O9W4JRm985Ke0jYOoNbiZGqaftOYKWxQXcq9F8M3R2Oo t3l9eApVIyqvyKs9rUOI/Iw6aCBIOb0ckOVVVVfq9l89MH6G+PgasGE/D5vxWQnhAc EJaVLEdFQb5u+EjTJTmpcNwY8EbrATSBQaFuUhh/JbCjIHgDVxpdUOkBjMsd1JHrMa R1F+NJUlbnMlhebL4MarR0mxPilS2nUkzt1SGV8ls8YhISRAVqrWzLsYUAvT6HMiKF 8iMW1uYzbDPwhNTG0K+0bH4BIyX5KHvKDoceGreSMFnNvPVFU8OFmgQ35wEvyoVGsq rUSfulw3gtClQ== Received: by mail-oa1-f51.google.com with SMTP id 586e51a60fabf-20316647099so773932fac.2 for ; Wed, 13 Dec 2023 05:29:37 -0800 (PST) X-Gm-Message-State: AOJu0YySlVVMicF4oA+niQlOvkDbWIplCx+Gj9b6V7+vlTCYr6zix8NQ KDlGtbbKt6j+DbEEF1Jgcb4m5jLJwohiYU0v6JQ= X-Google-Smtp-Source: AGHT+IEfYX2MxBleBLOZtxqcSi+HaPw4KQusgu4N8puk3bPfqu338v5OrE11/pN9QJUBbCYR9S9AU1K3Bp5nU9LxVPs= X-Received: by 2002:a05:6871:7a02:b0:1fb:684:220d with SMTP id pc2-20020a0568717a0200b001fb0684220dmr10846152oac.48.1702474176715; Wed, 13 Dec 2023 05:29:36 -0800 (PST) Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Received: by 2002:ac9:5dc6:0:b0:507:5de0:116e with HTTP; Wed, 13 Dec 2023 05:29:35 -0800 (PST) In-Reply-To: <20231207234701.566133-1-sanpeqf@gmail.com> References: <20231207234701.566133-1-sanpeqf@gmail.com> From: Namjae Jeon Date: Wed, 13 Dec 2023 22:29:35 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] exfat/balloc: using ffs instead of internal logic To: John Sanpe Cc: sj1557.seo@samsung.com, willy@infradead.org, linux-fsdevel@vger.kernel.org, Andy.Wu@sony.com, Wataru.Aoyama@sony.com, cpgs@samsung.com Content-Type: text/plain; charset="UTF-8" 2023-12-08 8:47 GMT+09:00, John Sanpe : > Replaced the internal table lookup algorithm with ffs of > the bitops library with better performance. > > Use it to increase the single processing length of the > exfat_find_free_bitmap function, from single-byte search to long type. > > Signed-off-by: John Sanpe Applied it to #dev. Thanks for your patch!