From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 18 Nov 2005 17:42:27 +0100 From: Ragnar =?iso-8859-15?Q?Kj=F8rstad?= Subject: Re: [RFC] sys_punchhole() Message-ID: <20051118164227.GA14697@vestdata.no> References: <1131664994.25354.36.camel@localhost.localdomain> <20051110153254.5dde61c5.akpm@osdl.org> <20051113150906.GA2193@spitz.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20051113150906.GA2193@spitz.ucw.cz> Sender: owner-linux-mm@kvack.org Return-Path: To: Pavel Machek Cc: Andrew Morton , Badari Pulavarty , andrea@suse.de, hugh@veritas.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Sun, Nov 13, 2005 at 03:09:06PM +0000, Pavel Machek wrote: > > > We discussed this in madvise(REMOVE) thread - to add support > > > for sys_punchhole(fd, offset, len) to complete the functionality > > > (in the future). > > > > > > http://marc.theaimsgroup.com/?l=linux-mm&m=113036713810002&w=2 > > > > > > What I am wondering is, should I invest time now to do it ? > > > > I haven't even heard anyone mention a need for this in the past 1-2 years. > > Some database people wanted it maybe month ago. It was replaced by some > madvise hack... sys_punchhole is also potentially very useful for Hirarchial Storage Management. (Holes are typically used for data that have been migrated to tape). -- Ragnar Kjorstad -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org