From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/1905 Path: news.gmane.org!not-for-mail From: Justin Cormack Newsgroups: gmane.linux.lib.musl.general Subject: Re: capset() capget() syscalls Date: Sun, 9 Sep 2012 21:04:02 +0100 Message-ID: References: <20120905061905.GQ27715@brightrain.aerifal.cx> <50471B56.8040804@palsenberg.com> <20120905142441.GT27715@brightrain.aerifal.cx> <20120906030406.GY27715@brightrain.aerifal.cx> <20120907045631.GL27715@brightrain.aerifal.cx> <20120908221449.GZ27715@brightrain.aerifal.cx> Reply-To: musl@lists.openwall.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1347221058 9365 80.91.229.3 (9 Sep 2012 20:04:18 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 9 Sep 2012 20:04:18 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-1906-gllmg-musl=m.gmane.org@lists.openwall.com Sun Sep 09 22:04:21 2012 Return-path: Envelope-to: gllmg-musl@plane.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by plane.gmane.org with smtp (Exim 4.69) (envelope-from ) id 1TAnju-0003St-UD for gllmg-musl@plane.gmane.org; Sun, 09 Sep 2012 22:04:19 +0200 Original-Received: (qmail 32559 invoked by uid 550); 9 Sep 2012 20:04:15 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Original-Received: (qmail 32551 invoked from network); 9 Sep 2012 20:04:15 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=specialbusservice.com; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=Nfnrq2vP8T+UYJXFd2b16ILW7/FQt3sSz/ORoE+8L34=; b=k/3FCp6xNPoYWCftgZ3+9owdru5Iy5PFDJ8JrNGS06d69B2LVRpjxhfFztLbvc/SlV DzAXkKlYcilHZCCNRKPyeY4XlpxpiHII3HL2ULaUp417uoES4xwkszGvc21cdWi2sU6D M45SayvgJidACYcnc+BkW71O4JbW+4k+0AVfQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:x-gm-message-state; bh=Nfnrq2vP8T+UYJXFd2b16ILW7/FQt3sSz/ORoE+8L34=; b=fSi4UYmXjDlvCxmEzg0MY+Aa6Ly9LgQWvdxdpbJ9+IrZNdce8iBNMuE8Qv7BIxJmnh snOgpbXUyHP3UcISAn9c6GB8YtMPpV8PMWqLYte7t04CwhFGXzHLh39APf/5hw3r2SDY JVuOUJrc4pDVNAx3iiebK3774yJmgw0cttHczjOG63k1uH/ECPJaV8d2hkKFgwvswD6L eDLQ3hvj8Snnw9PqzQWioFbi2j7qPrM40YbRtbT3WyGILs5XCaJHJTrS6ggOjmTBTcEY Ukt2xtVDdc3bnUYsxADSDeld56mAXWtp01q3GwuaZmNc5njz+qDKL+5tqWWFq9kLLn34 snBQ== In-Reply-To: <20120908221449.GZ27715@brightrain.aerifal.cx> X-Gm-Message-State: ALoCoQlRdsSQY7IkwPR09KYsn5/NNgIsMafCnAoB9HHDCEh9Egw5v49rr5mTvW6ub68V5IWFJyn3 Xref: news.gmane.org gmane.linux.lib.musl.general:1905 Archived-At: On Sat, Sep 8, 2012 at 11:14 PM, Rich Felker wrote: > Is there any legitimate user of this horrible API? Last I checked > these functions were only useful for block-aligned IO on block devices > and the impression I got was that they were designed solely for > Oracle's use. (puke) I suppose they could be useful for FUSE drivers > too, however. We can add them if they have legitimate software that > needs them. It is still the only way to get decent io performance out of an SSD as far as I can see, being about a factor of 8 faster than anything else for random reads eg posix aio. Assuming of course our reads are block aligned. Justin