From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754893AbcJUKfk (ORCPT ); Fri, 21 Oct 2016 06:35:40 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:33863 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751033AbcJUKfi (ORCPT ); Fri, 21 Oct 2016 06:35:38 -0400 Date: Fri, 21 Oct 2016 03:35:37 -0700 From: Christoph Hellwig To: Jaegeuk Kim Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Subject: Re: [PATCH 1/3] f2fs: add fast path for find_next_{zero}bit Message-ID: <20161021103537.GA14327@infradead.org> References: <20161021022847.55629-1-jaegeuk@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161021022847.55629-1-jaegeuk@kernel.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 20, 2016 at 07:28:45PM -0700, Jaegeuk Kim wrote: > This patch adds checking the first two bits when searching zero or one bits to > avoid costly find_next_{zero}bit operations. Please fix this in the generic iplementations instead of adding your local workarounds.