Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/1.1/patches/2230311/?format=api
{ "id": 2230311, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230311/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/177747214874.4107473.5521741952753076823.stgit@frogsfrogsfrogs/", "project": { "id": 8, "url": "http://patchwork.ozlabs.org/api/1.1/projects/8/?format=api", "name": "Linux ext4 filesystem development", "link_name": "linux-ext4", "list_id": "linux-ext4.vger.kernel.org", "list_email": "linux-ext4@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<177747214874.4107473.5521741952753076823.stgit@frogsfrogsfrogs>", "date": "2026-04-29T14:57:34", "name": "[19/19] fuse2fs: implement freeze and shutdown requests", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f88796c82bf799504718ec7ab33e2e923f78948b", "submitter": { "id": 77032, "url": "http://patchwork.ozlabs.org/api/1.1/people/77032/?format=api", "name": "Darrick J. Wong", "email": "djwong@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/177747214874.4107473.5521741952753076823.stgit@frogsfrogsfrogs/mbox/", "series": [ { "id": 502087, "url": "http://patchwork.ozlabs.org/api/1.1/series/502087/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=502087", "date": "2026-04-29T14:53:09", "name": "[01/19] fuse2fs: implement bare minimum iomap for file mapping reporting", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502087/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230311/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230311/checks/", "tags": {}, "headers": { "Return-Path": "\n <SRS0=4Nli=C4=vger.kernel.org=linux-ext4+bounces-16208-patchwork-incoming=ozlabs.org@ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-ext4@vger.kernel.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "patchwork-incoming@ozlabs.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=eIrsRWKT;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; helo=mail.ozlabs.org;\n envelope-from=srs0=4nli=c4=vger.kernel.org=linux-ext4+bounces-16208-patchwork-incoming=ozlabs.org@ozlabs.org;\n receiver=patchwork.ozlabs.org)", "gandalf.ozlabs.org;\n arc=pass smtp.remote-ip=172.232.135.74 arc.chain=subspace.kernel.org", "gandalf.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=kernel.org", "gandalf.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=eIrsRWKT;\n\tdkim-atps=neutral", "gandalf.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.232.135.74; helo=sto.lore.kernel.org;\n envelope-from=linux-ext4+bounces-16208-patchwork-incoming=ozlabs.org@vger.kernel.org;\n receiver=ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=\"eIrsRWKT\"", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=10.30.226.201" ], "Received": [ "from mail.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g5L5T19dWz1yHZ\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 30 Apr 2026 00:58:05 +1000 (AEST)", "from mail.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3])\n\tby gandalf.ozlabs.org (Postfix) with ESMTP id 4g5L5T0jwNz4wLR\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 30 Apr 2026 00:58:05 +1000 (AEST)", "by gandalf.ozlabs.org (Postfix)\n\tid 4g5L5T0f9Jz4wQg; Thu, 30 Apr 2026 00:58:05 +1000 (AEST)", "from sto.lore.kernel.org (sto.lore.kernel.org [172.232.135.74])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby gandalf.ozlabs.org (Postfix) with ESMTPS id 4g5L5P3CZ0z4wLR\n\tfor <patchwork-incoming@ozlabs.org>; Thu, 30 Apr 2026 00:58:01 +1000 (AEST)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sto.lore.kernel.org (Postfix) with ESMTP id 8951E300D4F8\n\tfor <patchwork-incoming@ozlabs.org>; Wed, 29 Apr 2026 14:57:37 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id F3394339B2D;\n\tWed, 29 Apr 2026 14:57:35 +0000 (UTC)", "from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org\n [10.30.226.201])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id AD39B2E7BB6;\n\tWed, 29 Apr 2026 14:57:35 +0000 (UTC)", "by smtp.kernel.org (Postfix) with ESMTPSA id 57CD3C19425;\n\tWed, 29 Apr 2026 14:57:35 +0000 (UTC)" ], "ARC-Seal": [ "i=2; a=rsa-sha256; d=ozlabs.org; s=201707; t=1777474685; cv=pass;\n\tb=ipkEKU8Y1EFoRqfMYdjigbFStM8XnMwIiiqRhpHe1uDsog9/wFt77voUCNuYq2wNWhSGnh6b+40yzq48i8PHEUxAyyBePfV74LwFEfbrJyCjBQS6sHUs3v1MlEaWKwHvbrPnECeAJr5byCEABNLqAWs9s8+CmqAHEviBBQP5FkzmTO5hb6oTh5yDtbnsxdTrufLwh4ZSH0LxvD6B2XVOSgAeTdvv2wbO/P5z6Ck+Y8hslVw2QuugH7HCoITitJ0UzGHEDtKFwdOfp0Nx5fkybnBE3lqVOsHL3lh2BtXIeLDwqnhHsqRepmz/iQbi13EUK5LPfH7fpU4xjPa2uBC0/A==", "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1777474655; cv=none;\n b=RZ3TvNLa8MSxN+swLy0PjQ0H964d60ICH0W6cWUMx0xrKagNnUnpV2Y1aG0hWmAiafqTk+7VvXeO2ZsazRK0WlNBlQLRmoNyaJ6IppHhDRbSPzoN98luqcyVN6wIhGA4+qKsjCd1MOwaXabIUcrJpLdgj9t7K3vP8kznY1mRHi4=" ], "ARC-Message-Signature": [ "i=2; a=rsa-sha256; d=ozlabs.org; s=201707;\n\tt=1777474685; c=relaxed/relaxed;\n\tbh=g4bY1fwQkUk8g7yoiEL4BFurdUKdue6MLERjvv4tlgY=;\n\th=Date:Subject:From:To:Cc:Message-ID:In-Reply-To:References:\n\t MIME-Version:Content-Type;\n b=sdbyyZezDSDH9Tj3hQJUleqICxDsyY58jMdm6W8TW1VIcdxQbRk6untlXaSnsaNxLNbCk88Rg+Y267lxG7pVfAUifrmDmf0pCQEgGdqiqydo80RSCnqzG7rwiqJctVl3U+VYlIs77U9PD6a9DtbT0hkde3wS432sv+BebOprUkVMONK7YqaFkUv2PAQSwfYDq85v31+SvfkcCkQxrk8PACtYEldSou0Sxt4as6P4DRrNb7qqdzFeQxfNmb1KsMN+Ii5JArWc3PfcTHOADge0nu9jZroGi0stBNAM9BC9FY7q73bDhWoomXoTOjaLOVhA8CBnjW0KjbEJcS1y5SercQ==", "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1777474655; c=relaxed/simple;\n\tbh=kq3dJ2+gy6wjNQ7nee2+gKFa23GHv9vLJoH0IH/UgDM=;\n\th=Date:Subject:From:To:Cc:Message-ID:In-Reply-To:References:\n\t MIME-Version:Content-Type;\n b=AJmlB9oDVX8DMZXTf0jr9SVNMyylikUJF+7Ys9V3U/Bmlo3AJ8G4BoGBzai/snTqSU/NCbTn59crXjovcwhi+Wu9Uqx3DKyyeO0KMP6jKcjUrOK/FFcXJks+uCOGFJycDa77IXfJbgPf4rrVCN8rZCcNa80JWgui3RcEz96KRR4=" ], "ARC-Authentication-Results": [ "i=2; gandalf.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=kernel.org;\n dkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=eIrsRWKT; dkim-atps=neutral;\n spf=pass (client-ip=172.232.135.74; helo=sto.lore.kernel.org;\n envelope-from=linux-ext4+bounces-16208-patchwork-incoming=ozlabs.org@vger.kernel.org;\n receiver=ozlabs.org) smtp.mailfrom=vger.kernel.org", "i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=eIrsRWKT; arc=none smtp.client-ip=10.30.226.201" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1777474655;\n\tbh=kq3dJ2+gy6wjNQ7nee2+gKFa23GHv9vLJoH0IH/UgDM=;\n\th=Date:Subject:From:To:Cc:In-Reply-To:References:From;\n\tb=eIrsRWKT41ECWXJT17E7/VrCUY9ArfRsdCLLIIcFZzW4xNs4LqXznhbiIghyAbl1e\n\t uhAMuZxf23srOfQCRH9T86ez4JDxhXCqWKQeQfIcw7J16PY9fUvBz+4bV3KV3wwLhV\n\t EeKDB8lyfXhG2scWY+WRln2eM/prubvOgZUwVjF7I3fC3+DohGVVM0GwVLXYDOcV6i\n\t 4UGJIxof293746EdZVpCDad+8wPikJNPiI7CrDPnXRy87h3veWm3X0Sct1Rqd+BXff\n\t AtlGpMa3+/CSCAlu028dC90dl8OkjKk3YyGypivrKaQMXJtm0G68QPp3t9yzrOgE95\n\t JhpNDh1SI7olw==", "Date": "Wed, 29 Apr 2026 07:57:34 -0700", "Subject": "[PATCH 19/19] fuse2fs: implement freeze and shutdown requests", "From": "\"Darrick J. Wong\" <djwong@kernel.org>", "To": "tytso@mit.edu", "Cc": "bernd@bsbernd.com, miklos@szeredi.hu, linux-ext4@vger.kernel.org,\n neal@gompa.dev, linux-fsdevel@vger.kernel.org, fuse-devel@lists.linux.dev,\n joannelkoong@gmail.com", "Message-ID": "<177747214874.4107473.5521741952753076823.stgit@frogsfrogsfrogs>", "In-Reply-To": "<177747214459.4107473.9520724883867588970.stgit@frogsfrogsfrogs>", "References": "<177747214459.4107473.9520724883867588970.stgit@frogsfrogsfrogs>", "Precedence": "bulk", "X-Mailing-List": "linux-ext4@vger.kernel.org", "List-Id": "<linux-ext4.vger.kernel.org>", "List-Subscribe": "<mailto:linux-ext4+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-ext4+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "X-Spam-Status": "No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_PASS,\n\tMAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org" }, "content": "From: Darrick J. Wong <djwong@kernel.org>\n\nHandle freezing and shutting down the filesystem if requested.\n\nSigned-off-by: \"Darrick J. Wong\" <djwong@kernel.org>\n---\n fuse4fs/fuse4fs.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++\n misc/fuse2fs.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++\n 2 files changed, 175 insertions(+)", "diff": "diff --git a/fuse4fs/fuse4fs.c b/fuse4fs/fuse4fs.c\nindex 6ea2d30772ae5a..46f81e2066b044 100644\n--- a/fuse4fs/fuse4fs.c\n+++ b/fuse4fs/fuse4fs.c\n@@ -240,6 +240,7 @@ struct fuse4fs_file_handle {\n \n enum fuse4fs_opstate {\n \tF4OP_READONLY,\n+\tF4OP_WRITABLE_FROZEN,\n \tF4OP_WRITABLE,\n \tF4OP_SHUTDOWN,\n };\n@@ -6388,6 +6389,91 @@ static void op_fallocate(fuse_req_t req, fuse_ino_t fino EXT2FS_ATTR((unused)),\n }\n #endif /* SUPPORT_FALLOCATE */\n \n+#if FUSE_VERSION >= FUSE_MAKE_VERSION(3, 99)\n+static void op_freezefs(fuse_req_t req, fuse_ino_t ino, uint64_t unlinked)\n+{\n+\tstruct fuse4fs *ff = fuse4fs_get(req);\n+\text2_filsys fs;\n+\terrcode_t err;\n+\tint ret = 0;\n+\n+\tFUSE4FS_CHECK_CONTEXT(req);\n+\tfs = fuse4fs_start(ff);\n+\n+\tif (ff->opstate == F4OP_WRITABLE) {\n+\t\tif (fs->super->s_error_count)\n+\t\t\tfs->super->s_state |= EXT2_ERROR_FS;\n+\t\telse if (!unlinked)\n+\t\t\tfs->super->s_state |= EXT2_VALID_FS;\n+\t\text2fs_mark_super_dirty(fs);\n+\t\terr = ext2fs_set_gdt_csum(fs);\n+\t\tif (err) {\n+\t\t\tret = translate_error(fs, 0, err);\n+\t\t\tgoto out_unlock;\n+\t\t}\n+\n+\t\terr = ext2fs_flush2(fs, 0);\n+\t\tif (err) {\n+\t\t\tret = translate_error(fs, 0, err);\n+\t\t\tgoto out_unlock;\n+\t\t}\n+\n+\t\tff->opstate = F4OP_WRITABLE_FROZEN;\n+\t}\n+\n+out_unlock:\n+\tfs->super->s_state &= ~EXT2_VALID_FS;\n+\tfuse4fs_finish(ff, ret);\n+\tfuse_reply_err(req, -ret);\n+}\n+\n+static void op_unfreezefs(fuse_req_t req, fuse_ino_t ino)\n+{\n+\tstruct fuse4fs *ff = fuse4fs_get(req);\n+\text2_filsys fs;\n+\terrcode_t err;\n+\tint ret = 0;\n+\n+\tFUSE4FS_CHECK_CONTEXT(req);\n+\tfs = fuse4fs_start(ff);\n+\n+\tif (ff->opstate == F4OP_WRITABLE_FROZEN) {\n+\t\tif (fs->super->s_error_count)\n+\t\t\tfs->super->s_state |= EXT2_ERROR_FS;\n+\t\tfs->super->s_state &= ~EXT2_VALID_FS;\n+\t\text2fs_mark_super_dirty(fs);\n+\t\terr = ext2fs_set_gdt_csum(fs);\n+\t\tif (err) {\n+\t\t\tret = translate_error(fs, 0, err);\n+\t\t\tgoto out_unlock;\n+\t\t}\n+\n+\t\terr = ext2fs_flush2(fs, 0);\n+\t\tif (err) {\n+\t\t\tret = translate_error(fs, 0, err);\n+\t\t\tgoto out_unlock;\n+\t\t}\n+\n+\t\tff->opstate = F4OP_WRITABLE;\n+\t}\n+\n+out_unlock:\n+\tfuse4fs_finish(ff, ret);\n+\tfuse_reply_err(req, -ret);\n+}\n+\n+static void op_shutdownfs(fuse_req_t req, fuse_ino_t ino, uint64_t flags)\n+{\n+\tconst struct fuse_ctx *ctxt = fuse_req_ctx(req);\n+\tstruct fuse4fs *ff = fuse4fs_get(req);\n+\tint ret;\n+\n+\tret = ioctl_shutdown(ff, ctxt, NULL, NULL, 0);\n+\n+\tfuse_reply_err(req, -ret);\n+}\n+#endif\n+\n #ifdef HAVE_FUSE_IOMAP\n static void fuse4fs_iomap_hole(struct fuse4fs *ff, struct fuse_file_iomap *iomap,\n \t\t\t off_t pos, uint64_t count)\n@@ -7685,6 +7771,11 @@ static struct fuse_lowlevel_ops fs_ops = {\n #if FUSE_VERSION >= FUSE_MAKE_VERSION(3, 18)\n \t.statx = op_statx,\n #endif\n+#if FUSE_VERSION >= FUSE_MAKE_VERSION(3, 99)\n+\t.freezefs = op_freezefs,\n+\t.unfreezefs = op_unfreezefs,\n+\t.shutdownfs = op_shutdownfs,\n+#endif\n #ifdef HAVE_FUSE_IOMAP\n \t.iomap_begin = op_iomap_begin,\n \t.iomap_end = op_iomap_end,\ndiff --git a/misc/fuse2fs.c b/misc/fuse2fs.c\nindex fe45ffa86823b0..16b010fd28d4b5 100644\n--- a/misc/fuse2fs.c\n+++ b/misc/fuse2fs.c\n@@ -223,6 +223,7 @@ struct fuse2fs_file_handle {\n \n enum fuse2fs_opstate {\n \tF2OP_READONLY,\n+\tF2OP_WRITABLE_FROZEN,\n \tF2OP_WRITABLE,\n \tF2OP_SHUTDOWN,\n };\n@@ -5709,6 +5710,86 @@ static int op_fallocate(const char *path EXT2FS_ATTR((unused)), int mode,\n }\n #endif /* SUPPORT_FALLOCATE */\n \n+#if FUSE_VERSION >= FUSE_MAKE_VERSION(3, 99)\n+static int op_freezefs(const char *path, uint64_t unlinked)\n+{\n+\tstruct fuse2fs *ff = fuse2fs_get();\n+\text2_filsys fs;\n+\terrcode_t err;\n+\tint ret = 0;\n+\n+\tFUSE2FS_CHECK_CONTEXT(ff);\n+\tfs = fuse2fs_start(ff);\n+\n+\tif (ff->opstate == F2OP_WRITABLE) {\n+\t\tif (fs->super->s_error_count)\n+\t\t\tfs->super->s_state |= EXT2_ERROR_FS;\n+\t\telse if (!unlinked)\n+\t\t\tfs->super->s_state |= EXT2_VALID_FS;\n+\t\text2fs_mark_super_dirty(fs);\n+\t\terr = ext2fs_set_gdt_csum(fs);\n+\t\tif (err) {\n+\t\t\tret = translate_error(fs, 0, err);\n+\t\t\tgoto out_unlock;\n+\t\t}\n+\n+\t\terr = ext2fs_flush2(fs, 0);\n+\t\tif (err) {\n+\t\t\tret = translate_error(fs, 0, err);\n+\t\t\tgoto out_unlock;\n+\t\t}\n+\n+\t\tff->opstate = F2OP_WRITABLE_FROZEN;\n+\t}\n+\n+out_unlock:\n+\tfs->super->s_state &= ~EXT2_VALID_FS;\n+\tfuse2fs_finish(ff, ret);\n+\treturn ret;\n+}\n+\n+static int op_unfreezefs(const char *path)\n+{\n+\tstruct fuse2fs *ff = fuse2fs_get();\n+\text2_filsys fs;\n+\terrcode_t err;\n+\tint ret = 0;\n+\n+\tFUSE2FS_CHECK_CONTEXT(ff);\n+\tfs = fuse2fs_start(ff);\n+\n+\tif (ff->opstate == F2OP_WRITABLE_FROZEN) {\n+\t\tif (fs->super->s_error_count)\n+\t\t\tfs->super->s_state |= EXT2_ERROR_FS;\n+\t\text2fs_mark_super_dirty(fs);\n+\t\terr = ext2fs_set_gdt_csum(fs);\n+\t\tif (err) {\n+\t\t\tret = translate_error(fs, 0, err);\n+\t\t\tgoto out_unlock;\n+\t\t}\n+\n+\t\terr = ext2fs_flush2(fs, 0);\n+\t\tif (err) {\n+\t\t\tret = translate_error(fs, 0, err);\n+\t\t\tgoto out_unlock;\n+\t\t}\n+\n+\t\tff->opstate = F2OP_WRITABLE;\n+\t}\n+\n+out_unlock:\n+\tfuse2fs_finish(ff, ret);\n+\treturn ret;\n+}\n+\n+static int op_shutdownfs(const char *path, uint64_t flags)\n+{\n+\tstruct fuse2fs *ff = fuse2fs_get();\n+\n+\treturn ioctl_shutdown(ff, NULL, NULL);\n+}\n+#endif\n+\n #ifdef HAVE_FUSE_IOMAP\n static void fuse2fs_iomap_hole(struct fuse2fs *ff, struct fuse_file_iomap *iomap,\n \t\t\t off_t pos, uint64_t count)\n@@ -6993,6 +7074,9 @@ static struct fuse_operations fs_ops = {\n #endif\n #if FUSE_VERSION >= FUSE_MAKE_VERSION(3, 99)\n \t.getattr_iflags = op_getattr_iflags,\n+\t.freezefs = op_freezefs,\n+\t.unfreezefs = op_unfreezefs,\n+\t.shutdownfs = op_shutdownfs,\n #endif\n #ifdef HAVE_FUSE_IOMAP\n \t.iomap_begin = op_iomap_begin,\n", "prefixes": [ "19/19" ] }