From owner-freebsd-fs@FreeBSD.ORG Sat Oct 1 15:41:44 2011 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 86C5F1065670; Sat, 1 Oct 2011 15:41:44 +0000 (UTC) (envelope-from kaduk@mit.edu) Received: from dmz-mailsec-scanner-1.mit.edu (DMZ-MAILSEC-SCANNER-1.MIT.EDU [18.9.25.12]) by mx1.freebsd.org (Postfix) with ESMTP id B4B828FC13; Sat, 1 Oct 2011 15:41:43 +0000 (UTC) X-AuditID: 1209190c-b7fd26d0000008df-e6-4e873131f4c2 Received: from mailhub-auth-1.mit.edu ( [18.9.21.35]) by dmz-mailsec-scanner-1.mit.edu (Symantec Messaging Gateway) with SMTP id 5D.A6.02271.131378E4; Sat, 1 Oct 2011 11:26:41 -0400 (EDT) Received: from outgoing.mit.edu (OUTGOING-AUTH.MIT.EDU [18.7.22.103]) by mailhub-auth-1.mit.edu (8.13.8/8.9.2) with ESMTP id p91FQfQu016612; Sat, 1 Oct 2011 11:26:41 -0400 Received: from multics.mit.edu (MULTICS.MIT.EDU [18.187.1.73]) (authenticated bits=56) (User authenticated as kaduk@ATHENA.MIT.EDU) by outgoing.mit.edu (8.13.6/8.12.4) with ESMTP id p91FQdpu023638 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sat, 1 Oct 2011 11:26:40 -0400 (EDT) Received: (from kaduk@localhost) by multics.mit.edu (8.12.9.20060308) id p91FQcn8021666; Sat, 1 Oct 2011 11:26:38 -0400 (EDT) Date: Sat, 1 Oct 2011 11:26:38 -0400 (EDT) From: Benjamin Kaduk To: Robert Millan In-Reply-To: Message-ID: References: User-Agent: Alpine 1.10 (GSO 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrIIsWRmVeSWpSXmKPExsUixCmqrGto2O5nsO2shMXerduZLF7f+Mdu cezxTzaLB4eeMjuweMz4NJ8lgDGKyyYlNSezLLVI3y6BK+PFvxXMBRvYK+YtPc3UwPiftYuR k0NCwETiQs9uZghbTOLCvfVsXYxcHEIC+xglVq9ezArhrGeUuLrvPzuEs59J4sKTLYwgLUIC 9RKNt7cwgdgsAloS89c/YgGx2QRUJGa+2cgGYosIKEucXDeLHcRmFoiWeH/+Jtg6YQEDiWur e8F6OQUCJa5u/wjUy8HBK2AvcWN2DsT4AImtrbvASkQFdCRW758CNp5XQFDi5MwnLBAjLSXO /bnONoFRcBaS1CwkqQWMTKsYZVNyq3RzEzNzilOTdYuTE/PyUot0DfVyM0v0UlNKNzGCQ1aS Zwfjm4NKhxgFOBiVeHg//Wv1E2JNLCuuzD3EKMnBpCTKm67f7ifEl5SfUpmRWJwRX1Sak1p8 iFGCg1lJhNf/OFA5b0piZVVqUT5MSpqDRUmc9+AOBz8hgfTEktTs1NSC1CKYrAwHh5IE7wwD oKGCRanpqRVpmTklCGkmDk6Q4TxAwyNBaniLCxJzizPTIfKnGBWlxHnLQBICIImM0jy4XlhK ecUoDvSKMO80kCoeYDqC634FNJgJaLCBNtjgkkSElFQDo/DdsFiPhDcsm8S2VPdtkQv98iVg cvXvlOv1N05LbEn3ncyuuu2ZgPOip5PYVtW1vQgT6Nq8tEH9rYTCrTdr/9+boGeoabaq4AnX yQflO3+z6sv+eJnv58uVtDfMJHFH6wkNU73W+uv+F+YUHnc4ybnoaZe5Y+307Gks/g++NL7y +vugVP3SASWW4oxEQy3mouJEAPOWAIYEAwAA Cc: freebsd-fs@freebsd.org, Adrian Chadd , delphij@freebsd.org Subject: Re: is TMPFS still highly experimental? X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 01 Oct 2011 15:41:44 -0000 On Sat, 1 Oct 2011, Robert Millan wrote: > Hi, > > Is TMPFS still considered highly experimental? I notice a warning > saying this was added in 2007: > > fs/tmpfs/tmpfs_vfsops.c: printf("WARNING: TMPFS is considered > to be a highly experimental " > > Since it's very old, I wonder if it still applies. After 4 years and > 54 commits, can someone tell if the maturity of this file system has > improved significantly? This thread: http://lists.freebsd.org/pipermail/freebsd-current/2011-June/025475.html has covered this topic somewhat. Peter Holm (pho) is known for running pretty intensive filesystem (and other) stress tests, and did not come up with a whole lot of crashes. Also, http://www.freebsd.org/cgi/query-pr-summary.cgi?&sort=none&text=tmpfs is not too big, showing only a couple of new reports. Mayhaps it is not "highly" experimental, but probably still experimental, at least. -Ben Kaduk