From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: X-Spam-Status: No, score=-2.9 required=3.0 tests=ALL_TRUSTED,AWL,BAYES_00, URIBL_BLOCKED shortcircuit=no autolearn=unavailable version=3.3.2 X-Original-To: sleepy-penguin@bogomips.org Received: from localhost (dcvr.yhbt.net [127.0.0.1]) by dcvr.yhbt.net (Postfix) with ESMTP id A6D92633849; Mon, 5 Oct 2015 11:53:15 +0000 (UTC) Date: Mon, 5 Oct 2015 11:53:15 +0000 From: Eric Wong To: sleepy-penguin@bogomips.org Subject: TODO add Linux fallocate support Message-ID: <20151005115315.GA7886@dcvr.yhbt.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline List-Id: posix_fallocate may exist, but we should have Linux kernel fallocate support too, for reasons described in this patch: http://mid.gmane.org/560E0567.7040204@redhat.com TL;DR: emulating fallocate in userspace without kernel support is racy, not merely inefficient.