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[46.139.12.213]) by smtp.gmail.com with ESMTPSA id u22sm32329249wru.72.2019.09.09.23.35.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Sep 2019 23:35:35 -0700 (PDT) Date: Tue, 10 Sep 2019 08:35:32 +0200 From: Ingo Molnar To: Linus Torvalds Cc: Andy Lutomirski , Jeff Layton , Aleksa Sarai , Al Viro , "J. Bruce Fields" , Arnd Bergmann , David Howells , Shuah Khan , Shuah Khan , Ingo Molnar , Peter Zijlstra , Christian Brauner , Eric Biederman , Andy Lutomirski , Andrew Morton , Alexei Starovoitov , Kees Cook , Jann Horn , Tycho Andersen , David Drysdale , Chanho Min , Oleg Nesterov , Rasmus Villemoes , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Aleksa Sarai , Linux Containers , alpha , Linux API , linux-arch , Linux ARM , linux-fsdevel , linux-ia64@vger.kernel.org, Linux List Kernel Mailing , "open list:KERNEL SELFTEST FRAMEWORK" , linux-m68k , linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390 , Linux-sh list , linux-xtensa@linux-xtensa.org, sparclinux@vger.kernel.org Subject: Re: [PATCH v12 11/12] open: openat2(2) syscall Message-ID: <20190910063532.GB1579@gmail.com> References: <20190904201933.10736-1-cyphar@cyphar.com> <20190904201933.10736-12-cyphar@cyphar.com> <7236f382d72130f2afbbe8940e72cc67e5c6dce0.camel@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Linus Torvalds wrote: > On Sat, Sep 7, 2019 at 10:42 AM Andy Lutomirski wrote: > > > > Linus, you rejected resolveat() because you wanted a *nice* API > > No. I rejected resoveat() because it was a completely broken garbage > API that couldn't do even basic stuff right (like O_CREAT). > > We have a ton of flag space in the new openat2() model, we might as > well leave the old flags alone that people are (a) used to and (b) we > have code to support _anyway_. > > Making up a new flag namespace is only going to cause us - and users - > more work, and more confusion. For no actual advantage. It's not going > to be "cleaner". It's just going to be worse. I suspect there is a "add a clean new flags namespace" analogy to the classic "add a clean new standard" XKCD: https://xkcd.com/927/ Thanks, Ingo