From nobody Tue Mar 26 12:10:08 2024 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4V3pXM1xNqz5FTcK for ; Tue, 26 Mar 2024 12:10:11 +0000 (UTC) (envelope-from des@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4V3pXM0Vsxz4SM4; Tue, 26 Mar 2024 12:10:11 +0000 (UTC) (envelope-from des@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1711455011; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=e14uZzRFNGi/cq2WzCTxePvu3EIagjDupYD5Q1kIVUQ=; b=R8ryNWnMHuS/SVNA7IWl84ED7FvR+XxpEES7/23JuurUkdgD9grp91Y8RTBafY5AeVH9pw qAOraj+X0B/X4u6VX738f0HCJ+0gwEng8xUnr2xcYH6FtUQZopvE4jzVHAmUqA21CESaRn 6TGPcH/9/hx9Z5DjHZw3D8NFGWAK2Hdsv2LUUvIgTlTNQjELp39bCIUXDKocaSvl+EciA7 nPkHsvh8IeL0hnv1jzbUXuTWDp5wN5JFrwpJJ6gNl7U+/Hc7Rfe3mamnoadZ1VL6/TQpu0 Mwe920Bo7mOj8q1tQV3buSN7a0lQIs5U+sQp0Cs+mHDmjofewm8ggqNa2EZC7A== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1711455011; a=rsa-sha256; cv=none; b=ta+vMoTKe8bviX6E70VDiFZmJPPOERTufqaqLZpLyFdb6tZQWFyfpGCD+yLgLhmHgrv0zZ vS+IaP0ww1D3RkVylk1S4SKBWjGG/4Ix0TO+7ez18e/WqroeR+7CYJv28d3kCVlKsJBkir LIU+1GRDs3alBex9v7QXIv8TxVCXd+YBRbsCcQhSROIlPKPIPPXPhNw67IWFgO1PAmkXAv /QaJUhciRJh9nUPMYf6OgC3sHIiQmoi/rwNHJpzR0SOEOaLpiuyZ6tY5gSjwAZ45Xe9jTL laVyYDtQfVVWIu2e5KBu6z1mCeugYtCmARLT0EloxBoyBxqz27tvZlInrzoayA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1711455011; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=e14uZzRFNGi/cq2WzCTxePvu3EIagjDupYD5Q1kIVUQ=; b=JBROe+LL8p8UeCL5xQU9HteNTpoZTWSFokjAyWFCjgIMxibYC1GiC//DtZ7zisd+d2X0h5 RTUTBOgTyxSd7rQDV24M3FQlBhbPs89TG/IrZLof6RBK2DS8/IVkRhvHKRy/dLzb2tPOB8 fB7x60+zIVDl9a9NlcPiozUhAyPO9il+bh9ZKRIK7cFG/re1NVLRggMTVM9ukTu6BjfXTc gFjkQ+45gDMfbAm/SPziOT6hd9UIjYyViJXtxrTWRT6CSWkSAIDVeL0p4TWTPky51vSd7f iIVR+Y3aOmU40IFKujyqsOIQRv8l7W/TyqeCqofFm/Kwhncd29tob9QyOUaotw== Received: from ltc.des.dev (163.23.65.37.rev.sfr.net [37.65.23.163]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: des) by smtp.freebsd.org (Postfix) with ESMTPSA id 4V3pXL6Sxnz1Bxx; Tue, 26 Mar 2024 12:10:10 +0000 (UTC) (envelope-from des@freebsd.org) Received: by ltc.des.dev (Postfix, from userid 1001) id 966C178366; Tue, 26 Mar 2024 13:10:08 +0100 (CET) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: Warner Losh Cc: Mark Saad , FreeBSD Hackers Subject: Re: TarFS In-Reply-To: (Warner Losh's message of "Tue, 26 Mar 2024 09:33:51 +0100") References: <86edbyh0od.fsf@ltc.des.dev> <867chpg2d2.fsf@ltc.des.dev> User-Agent: Gnus/5.13 (Gnus v5.13) Date: Tue, 26 Mar 2024 13:10:08 +0100 Message-ID: <8634sdfb33.fsf@ltc.des.dev> List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Warner Losh writes: > Dag-Erling Sm=C3=B8rgrav writes: > > They can be exported, but I'm not sure what you mean by =E2=80=9Cmounte= d on a > > tmpfs=E2=80=9D. > I think he means does it work witg unionfs. There's no reason why it shouldn't, although I haven't tested it. Unlike exportability, which requires explicit support in each and every filesystem, it's handled transparently by VFS. > Side question: how hard is it to add and offset of tarball mount > option? It shouldn't be hard, since all I/O goes through tarfs_io_read(), but why would you want to? DES --=20 Dag-Erling Sm=C3=B8rgrav - des@FreeBSD.org