From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B3185606A31B for ; Wed, 4 Nov 2026 01:03:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=jNFsOzLH; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=T8MpI2jg DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Date: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Cc:To:Subject: From:Message-ID:MIME-Version:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=bpj0dvVUVpi7RsWayoERG6Te1lUJztO07bOfw6gaN/o=; b=jNFsOzLH0FuibSX6upwrztx9pU JyoC1Q7QmHrnX6Cql3FNjGR+BthNeju1+oyY15P00CgUAC8rqYbnxgnTxhZTGf1NWQ7h7sduhbLOw 0TEnx5MrZjw3uMocCZJ5dHVvaZHCeeAM9hRnyPvchsgzYy+IvNdC0N824QVPKDEBfN086DQRzTckF PMh6nEhavgN/6Y1JaoEqqPxOUeyRpxp3h5/myp4VTSJGw/9izsnHs1Ed6eNT9eUcTg94Y1T94pXlA 3lL9BZjDoqHm8Hq0Y/keWw7AjHf2d3UDu2SZ9E8Qx96C8tjlDgVNTMye+PlUF4Oiqtj1dK7diVv97 cSaiq9GQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOPPe-000000042Wx-1UaI; Wed, 04 Nov 2026 01:03:38 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOPPc-000000042V9-3jTY for kexec@lists.infradead.org; Wed, 04 Nov 2026 01:03:36 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id A193A43995; Wed, 4 Nov 2026 01:03:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D62401F000C1; Wed, 4 Nov 2026 01:03:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793754216; bh=bpj0dvVUVpi7RsWayoERG6Te1lUJztO07bOfw6gaN/o=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=T8MpI2jgP8tTroGfgdwNiv+2ANrVhEvvg1CoPn6Wgs63Q30GZAghhqgJ7FBP92E14 tD06MxD7NESv5VzEZTgqzx26oT64AHPE+0s6atQcEg83Rmwklb0nKySkMkbu/pPd1g 6tshSlSDmo55BYqLpXlVvTgRm0kCM08BkBftVC+v+KbXtrnBBN4Z6pE4jYB+8MfBP2 Ymbo/rCwbvdAAQItf20e5nlLFimYSeAsSabsd5hdL3UJuWT4BDDCpsAY4RlgHxgQzN Xs5u1MevAY3da+yysTQKX2vy23KRsh9tR3DqPi2+PJN/5YL8NgKEMlqZf6VbCjD046 pIYN+73Gy0Iuw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v3 10/10] selftests/liveupdate: Add a test for preserving tmpfs files To: "David Matlack" , kexec@lists.infradead.org Cc: "Alexander Graf" , "Andrew Morton" , "Baolin Wang" , "Christian Brauner" , "David Hildenbrand" , "Hugh Dickins" , "Jonathan Corbet" , "Liam R. Howlett" , "Lorenzo Stoakes" , "Michal Hocko" , "Mike Rapoport" , "Pasha Tatashin" , "Pratyush Yadav" , "Randy Dunlap" , "Samiullah Khawaja" , "Shuah Khan" , "Suren Baghdasaryan" , "Vlastimil Babka" In-Reply-To: <20261103010216.3447716-11-dmatlack@google.com> References: <20261103010216.3447716-1-dmatlack@google.com> <20261103010216.3447716-11-dmatlack@google.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 04 Nov 2026 01:03:34 +0000 X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev Sender: "kexec" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 X-Archived-By: > Add luo_tmpfs, a kexec test for preserving tmpfs files and memfds, and > for retrieving tmpfs files onto a tmpfs mount with struct > liveupdate_shmem_retrieve_arg. >=20 > Stage 1 preserves the source files of each test case. Stage 2 runs > each test case in its own directory, with its own tmpfs mounts, so that > block usage can be checked exactly with statfs() and st_blocks. The test > cases cover: >=20 > - The restored file: contents, size, position, seals and holes, for > linked and unlinked source files. >=20 > - Creating the file: it is created like with open(O_TMPFILE), with the > requested mode minus the umask, owned by the caller, and not linked > until userspace links it, unless it asked for O_EXCL. Also O_RDONLY > [ ... ] >=20 > tmpfs quotas are not tested, since the test runs as root, which is not > subject to quota limits. >=20 > Signed-off-by: David Matlack Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261103010216.3447= 716-1-dmatlack@google.com?part=3D10