From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cong Wang Subject: Re: [Patch 2/3] sysctl: add proc_do_large_bitmap Date: Mon, 12 Apr 2010 14:32:10 +0800 Message-ID: <4BC2BE6A.4030500@redhat.com> References: <20100409101442.5051.99812.sendpatchset@localhost.localdomain> <20100409101503.5051.3805.sendpatchset@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, Octavian Purdila , ebiederm@xmission.com, Eric Dumazet , netdev@vger.kernel.org, Neil Horman , David Miller To: Changli Gao Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Changli Gao wrote: > On Fri, Apr 9, 2010 at 6:11 PM, Amerigo Wang wrote: >> From: Octavian Purdila >> >> The new function can be used to read/write large bitmaps via /proc. A >> comma separated range format is used for compact output and input >> (e.g. 1,3-4,10-10). >> >> Writing into the file will first reset the bitmap then update it >> based on the given input. >> > > We have bitmap_scnprintf() and bitmap_parse_user(), why invent a new suite? > > Because they don't accept '-'.