get:
Show a patch.

patch:
Update a patch.

put:
Update a patch.

GET /api/patches/2216326/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2216326,
    "url": "http://patchwork.ozlabs.org/api/patches/2216326/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260326095354.16340-70-jack@suse.cz/",
    "project": {
        "id": 8,
        "url": "http://patchwork.ozlabs.org/api/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,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20260326095354.16340-70-jack@suse.cz>",
    "list_archive_url": null,
    "date": "2026-03-26T09:54:22",
    "name": "[28/42] fs: Drop osync_buffers_list()",
    "commit_ref": null,
    "pull_url": null,
    "state": "not-applicable",
    "archived": false,
    "hash": "05d514dd6ac805c681e006ccdc5bae909694cc5f",
    "submitter": {
        "id": 363,
        "url": "http://patchwork.ozlabs.org/api/people/363/?format=api",
        "name": "Jan Kara",
        "email": "jack@suse.cz"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260326095354.16340-70-jack@suse.cz/mbox/",
    "series": [
        {
            "id": 497561,
            "url": "http://patchwork.ozlabs.org/api/series/497561/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=497561",
            "date": "2026-03-26T09:53:55",
            "name": "fs: Move metadata bh tracking from address_space",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/497561/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2216326/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2216326/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "\n <SRS0=fCXR=B2=vger.kernel.org=linux-ext4+bounces-15423-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 (1024-bit key;\n unprotected) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256\n header.s=susede2_rsa header.b=hqLBQU7d;\n\tdkim=pass header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=pCcdbmui;\n\tdkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz\n header.a=rsa-sha256 header.s=susede2_rsa header.b=hqLBQU7d;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=pCcdbmui;\n\tdkim-atps=neutral",
            "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=150.107.74.76; helo=mail.ozlabs.org;\n envelope-from=srs0=fcxr=b2=vger.kernel.org=linux-ext4+bounces-15423-patchwork-incoming=ozlabs.org@ozlabs.org;\n receiver=patchwork.ozlabs.org)",
            "gandalf.ozlabs.org;\n arc=pass smtp.remote-ip=\"2600:3c0a:e001:db::12fc:5321\"\n arc.chain=subspace.kernel.org",
            "gandalf.ozlabs.org;\n dmarc=none (p=none dis=none) header.from=suse.cz",
            "gandalf.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256\n header.s=susede2_rsa header.b=hqLBQU7d;\n\tdkim=pass header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=pCcdbmui;\n\tdkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz\n header.a=rsa-sha256 header.s=susede2_rsa header.b=hqLBQU7d;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=pCcdbmui;\n\tdkim-atps=neutral",
            "gandalf.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-ext4+bounces-15423-patchwork-incoming=ozlabs.org@vger.kernel.org;\n receiver=ozlabs.org)",
            "smtp.subspace.kernel.org;\n\tdkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz\n header.b=\"hqLBQU7d\";\n\tdkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz\n header.b=\"pCcdbmui\";\n\tdkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz\n header.b=\"hqLBQU7d\";\n\tdkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz\n header.b=\"pCcdbmui\"",
            "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=195.135.223.130",
            "smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=suse.cz",
            "smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=suse.cz",
            "smtp-out1.suse.de;\n\tdkim=pass header.d=suse.cz header.s=susede2_rsa header.b=hqLBQU7d;\n\tdkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=pCcdbmui"
        ],
        "Received": [
            "from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76])\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 4fhKJx284pz1yGD\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 26 Mar 2026 21:10:09 +1100 (AEDT)",
            "from mail.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3])\n\tby gandalf.ozlabs.org (Postfix) with ESMTP id 4fhKJx1gCFz4wM6\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 26 Mar 2026 21:10:09 +1100 (AEDT)",
            "by gandalf.ozlabs.org (Postfix)\n\tid 4fhKJx1cVvz4w9T; Thu, 26 Mar 2026 21:10:09 +1100 (AEDT)",
            "from sea.lore.kernel.org (sea.lore.kernel.org\n [IPv6:2600:3c0a:e001:db::12fc:5321])\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 4fhKJs5Dh9z4wMF\n\tfor <patchwork-incoming@ozlabs.org>; Thu, 26 Mar 2026 21:10:05 +1100 (AEDT)",
            "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 3EA79315BF76\n\tfor <patchwork-incoming@ozlabs.org>; Thu, 26 Mar 2026 09:59:19 +0000 (UTC)",
            "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 136623CAE92;\n\tThu, 26 Mar 2026 09:56:59 +0000 (UTC)",
            "from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 348BB3BED73\n\tfor <linux-ext4@vger.kernel.org>; Thu, 26 Mar 2026 09:56:54 +0000 (UTC)",
            "from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org\n [IPv6:2a07:de40:b281:104:10:150:64:97])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest\n SHA256)\n\t(No client certificate requested)\n\tby smtp-out1.suse.de (Postfix) with ESMTPS id 7C61B4D293;\n\tThu, 26 Mar 2026 09:55:01 +0000 (UTC)",
            "from imap1.dmz-prg2.suse.org (localhost [127.0.0.1])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest\n SHA256)\n\t(No client certificate requested)\n\tby imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 700634A0AE;\n\tThu, 26 Mar 2026 09:55:01 +0000 (UTC)",
            "from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167])\n\tby imap1.dmz-prg2.suse.org with ESMTPSA\n\tid aXxQG3UCxWnpYAAAD6G6ig\n\t(envelope-from <jack@suse.cz>); Thu, 26 Mar 2026 09:55:01 +0000",
            "by quack3.suse.cz (Postfix, from userid 1000)\n\tid 7159BA0C72; Thu, 26 Mar 2026 10:54:49 +0100 (CET)"
        ],
        "ARC-Seal": [
            "i=2; a=rsa-sha256; d=ozlabs.org; s=201707; t=1774519809; cv=pass;\n\tb=spbJZTsUkmvtr1XV2nXmwVM/mcr3ikLAVkXnB+y2T0RjNMkYw5kTSUTk0fqcxRuXFtWNJ8gOY4IxT7l9lti/Bqv7JDc9Rlx16U6SlVxkbwjlr62coqvuqvWO4jfDi8wyXfo+PlsjlZUg31FXGDA1Ndgg56hPQuhpjrgtbmEV4XniJr7p3BxBzJMGXXvFmKF7hfL0GiRVZa61k0zedP3NNYViowtxlPg1f/uyRCUXR0PTCV+K/U8xurBeIuvWJsmLda1kjCzHE6B4C+UGxMUU94AQES6Nrm2/+3lktA7AbSjMgpfAIT/vHqW29g5iGMcnepbpMA+yuaVlBxWD9oP7GA==",
            "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1774519018; cv=none;\n b=AkOkqUuMrlqWdTj5SKImWP8aOlq436ZVMjKG9OVB93jYbrLtzWEQn2i9y8OBPRWVmR1YG5hm0KYo1K24JlQeiqYGt+i5no9HF1v6wK2552ByZ8nZm4fubbo584GDTlJKN2fjcqs27ME2ZC8rxA6JOAsRqR3X0D3kvXchyUtMj1g="
        ],
        "ARC-Message-Signature": [
            "i=2; a=rsa-sha256; d=ozlabs.org; s=201707;\n\tt=1774519809; c=relaxed/relaxed;\n\tbh=2VN0idt6n96Vmu45gqkPTClQxBC+i1ol12Ngkp3rwow=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=obxHJWAjxuBvfCWqA0ES6CohocHfDQgESFp6LdJID2M9fYB2bjYZqMdX86KNLjR4FKkFMou15UbqoTkZWVzQn9WhzWWLGvN5E335mpE+s3YVwYuGia/NalvEm588+vmEoq5F8swwHS60U+XmBN3b8WV37YoEwoNLCQ+Xz0dxALt9GfGQEAX/NN7tCW1p1OCU/IN6eOZtmWLaLGtw5vpbYoxaZPps5MEoDag9jvc6SqdqF7+m2ef/SQ14+C9ceDrETBxrifPXozWLM8N6fiukYC+i4kb8kMSo21tm8UTeRKqBeQ79fMG+JBj/tgfS7UfiNqP8i7n/sXU0lrzV8+V4Xw==",
            "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1774519018; c=relaxed/simple;\n\tbh=P2d2o5A/mRUbDC1tll4F9435kE5r2df19H6YCaU+O8A=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=PL5W2io8FCdzKKzr6+DsMuxOcZDguqjwM+eBVJm6q2xi+mibYccM5+QINp27tHHOkyDHsDcs9WcR5BRVKxQkFbNZVZr2GoJsWSoyBxFFiOQpeyO5GpQu+7t+YI0+WKkWqGQ98JsZ046hxPK9hD79RPfO3KcgEWY6rjWIl4QMWIM="
        ],
        "ARC-Authentication-Results": [
            "i=2; gandalf.ozlabs.org;\n dmarc=none (p=none dis=none) header.from=suse.cz; dkim=pass (1024-bit key;\n unprotected) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256\n header.s=susede2_rsa header.b=hqLBQU7d;\n dkim=pass header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=pCcdbmui;\n dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz\n header.a=rsa-sha256 header.s=susede2_rsa header.b=hqLBQU7d;\n dkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=pCcdbmui; dkim-atps=neutral;\n spf=pass (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-ext4+bounces-15423-patchwork-incoming=ozlabs.org@vger.kernel.org;\n receiver=ozlabs.org) smtp.mailfrom=vger.kernel.org",
            "i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=suse.cz;\n spf=pass smtp.mailfrom=suse.cz;\n dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz\n header.b=hqLBQU7d;\n dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz\n header.b=pCcdbmui;\n dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz\n header.b=hqLBQU7d;\n dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz\n header.b=pCcdbmui; arc=none smtp.client-ip=195.135.223.130"
        ],
        "DKIM-Signature": [
            "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz;\n s=susede2_rsa;\n\tt=1774518901;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n\t mime-version:mime-version:\n\t content-transfer-encoding:content-transfer-encoding:\n\t in-reply-to:in-reply-to:references:references;\n\tbh=2VN0idt6n96Vmu45gqkPTClQxBC+i1ol12Ngkp3rwow=;\n\tb=hqLBQU7d8s9AMtdxZk95gyXZ2VDZw8FFwi7t1ABbZA56aQlBA5NTJ3alF4xc/2hK/fjrsb\n\tsWfwI0toNC+sfvOVyAKM0vp9VUGZQsZOizNBMv9iVDYwr6G3Dq6sGmXd076eSnFjM+RSdA\n\tbZM1h8J3zOFDUmdzhwnURijYCKJrEpU=",
            "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz;\n\ts=susede2_ed25519; t=1774518901;\n\th=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n\t mime-version:mime-version:\n\t content-transfer-encoding:content-transfer-encoding:\n\t in-reply-to:in-reply-to:references:references;\n\tbh=2VN0idt6n96Vmu45gqkPTClQxBC+i1ol12Ngkp3rwow=;\n\tb=pCcdbmuiCX2PtzgDNrgpyVaS4QttSR28ki4jT9WQcUSLcTubT179MO0q60LwYfwyG2tbZl\n\tyufkTnTxn+x8tUAg==",
            "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz;\n s=susede2_rsa;\n\tt=1774518901;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n\t mime-version:mime-version:\n\t content-transfer-encoding:content-transfer-encoding:\n\t in-reply-to:in-reply-to:references:references;\n\tbh=2VN0idt6n96Vmu45gqkPTClQxBC+i1ol12Ngkp3rwow=;\n\tb=hqLBQU7d8s9AMtdxZk95gyXZ2VDZw8FFwi7t1ABbZA56aQlBA5NTJ3alF4xc/2hK/fjrsb\n\tsWfwI0toNC+sfvOVyAKM0vp9VUGZQsZOizNBMv9iVDYwr6G3Dq6sGmXd076eSnFjM+RSdA\n\tbZM1h8J3zOFDUmdzhwnURijYCKJrEpU=",
            "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz;\n\ts=susede2_ed25519; t=1774518901;\n\th=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n\t mime-version:mime-version:\n\t content-transfer-encoding:content-transfer-encoding:\n\t in-reply-to:in-reply-to:references:references;\n\tbh=2VN0idt6n96Vmu45gqkPTClQxBC+i1ol12Ngkp3rwow=;\n\tb=pCcdbmuiCX2PtzgDNrgpyVaS4QttSR28ki4jT9WQcUSLcTubT179MO0q60LwYfwyG2tbZl\n\tyufkTnTxn+x8tUAg=="
        ],
        "From": "Jan Kara <jack@suse.cz>",
        "To": "<linux-fsdevel@vger.kernel.org>",
        "Cc": "<linux-block@vger.kernel.org>,\n\tChristian Brauner <brauner@kernel.org>,\n\tAl Viro <viro@ZenIV.linux.org.uk>,\n\t<linux-ext4@vger.kernel.org>,\n\tTed Tso <tytso@mit.edu>,\n\t\"Tigran A. Aivazian\" <aivazian.tigran@gmail.com>,\n\tDavid Sterba <dsterba@suse.com>,\n\tOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,\n\tMuchun Song <muchun.song@linux.dev>,\n\tOscar Salvador <osalvador@suse.de>,\n\tDavid Hildenbrand <david@kernel.org>,\n\tlinux-mm@kvack.org,\n\tlinux-aio@kvack.org,\n\tBenjamin LaHaise <bcrl@kvack.org>,\n\tJan Kara <jack@suse.cz>,\n\tChristoph Hellwig <hch@lst.de>",
        "Subject": "[PATCH 28/42] fs: Drop osync_buffers_list()",
        "Date": "Thu, 26 Mar 2026 10:54:22 +0100",
        "Message-ID": "<20260326095354.16340-70-jack@suse.cz>",
        "X-Mailer": "git-send-email 2.51.0",
        "In-Reply-To": "<20260326082428.31660-1-jack@suse.cz>",
        "References": "<20260326082428.31660-1-jack@suse.cz>",
        "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",
        "X-Developer-Signature": "v=1; a=openpgp-sha256; l=2509; i=jack@suse.cz;\n h=from:subject; bh=P2d2o5A/mRUbDC1tll4F9435kE5r2df19H6YCaU+O8A=;\n b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBpxQJKDavHJWR7z6TonZsIlZ9x63I6Wk1aS5X5k\n ap0qKlkOeeJATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCacUCSgAKCRCcnaoHP2RA\n 2XI4B/9m5jDFDP7odiCDdIr7EejykCusvbqzcv5UUD6AoRXzqfbDMYOjbu4DnxiHT+iceGY1VFt\n ZLMpAF3whLABWHGOLipy7CSdo74LwlgQKozYD3+qUHiO4YbZHQ17k3GNKVBI5AYZbGwTGiqbBaQ\n X1ZKIEJsxXZzD5dIQK9Mk9g1rcl4FL/6WQYVZqcFr0zzSr4LESzllVSc0hFuxAoGuSN9nnyFWnd\n ZgMWTXLw+89hlQJFn2NfpDH20qjak6XbbOXT8FD7wP/7K5qIaAzIqIiyltkfZT8/GoaGiFzKHtW\n En8xcJPG67Lgv1zcRjym0gq5M8bWCz40/xz73/jR+ezsFtyI",
        "X-Developer-Key": "i=jack@suse.cz; a=openpgp;\n fpr=93C6099A142276A28BBE35D815BC833443038D8C",
        "Content-Transfer-Encoding": "8bit",
        "X-Spamd-Result": "default: False [-1.51 / 50.00];\n\tBAYES_HAM(-3.00)[100.00%];\n\tSUSPICIOUS_RECIPS(1.50)[];\n\tMID_CONTAINS_FROM(1.00)[];\n\tNEURAL_HAM_LONG(-1.00)[-1.000];\n\tR_MISSING_CHARSET(0.50)[];\n\tNEURAL_HAM_SHORT(-0.20)[-1.000];\n\tR_DKIM_ALLOW(-0.20)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519];\n\tMIME_GOOD(-0.10)[text/plain];\n\tMX_GOOD(-0.01)[];\n\tDBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns];\n\tRCVD_COUNT_THREE(0.00)[3];\n\tDKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519];\n\tRBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from];\n\tFUZZY_RATELIMITED(0.00)[rspamd.com];\n\tMIME_TRACE(0.00)[0:+];\n\tARC_NA(0.00)[];\n\tRCPT_COUNT_TWELVE(0.00)[17];\n\tRCVD_TLS_LAST(0.00)[];\n\tTO_MATCH_ENVRCPT_ALL(0.00)[];\n\tFROM_HAS_DN(0.00)[];\n\tRCVD_VIA_SMTP_AUTH(0.00)[];\n\tTAGGED_RCPT(0.00)[];\n\tRECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received];\n\tSPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from];\n\tR_RATELIMIT(0.00)[to_ip_from(RLhafujjw6m7bafrsz8p45s31g),to(RLpnp1psq57oqao6ocwdpbxen9)];\n\tFREEMAIL_CC(0.00)[vger.kernel.org,kernel.org,ZenIV.linux.org.uk,mit.edu,gmail.com,suse.com,mail.parknet.co.jp,linux.dev,suse.de,kvack.org,suse.cz,lst.de];\n\tDKIM_TRACE(0.00)[suse.cz:+];\n\tFROM_EQ_ENVFROM(0.00)[];\n\tTO_DN_SOME(0.00)[];\n\tFREEMAIL_ENVRCPT(0.00)[gmail.com]",
        "X-Rspamd-Action": "no action",
        "X-Spam-Score": "-1.51",
        "X-Spam-Level": "",
        "X-Rspamd-Server": "rspamd1.dmz-prg2.suse.org",
        "X-Rspamd-Queue-Id": "7C61B4D293",
        "X-Spam-Status": "No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_MISSING,\n\tHEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,\n\tSPF_PASS autolearn=disabled version=4.0.1",
        "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org"
    },
    "content": "The function only waits for already locked buffers in the list of\nmetadata bhs. fsync_buffers_list() has just waited for all outstanding\nIO on buffers so this isn't adding anything useful. Comment in front of\nfsync_buffers_list() mentions concerns about buffers being moved out\nfrom tmp list back to mappings i_private_list but these days\nmark_buffer_dirty_inode() doesn't touch inodes with b_assoc_map set so\nthat cannot happen. Just delete the stale code.\n\nReviewed-by: Christoph Hellwig <hch@lst.de>\nSigned-off-by: Jan Kara <jack@suse.cz>\n---\n fs/buffer.c | 43 ++-----------------------------------------\n 1 file changed, 2 insertions(+), 41 deletions(-)",
    "diff": "diff --git a/fs/buffer.c b/fs/buffer.c\nindex c85ccfb1a4ec..1c0e7c81a38b 100644\n--- a/fs/buffer.c\n+++ b/fs/buffer.c\n@@ -526,41 +526,6 @@ int inode_has_buffers(struct inode *inode)\n }\n EXPORT_SYMBOL_GPL(inode_has_buffers);\n \n-/*\n- * osync is designed to support O_SYNC io.  It waits synchronously for\n- * all already-submitted IO to complete, but does not queue any new\n- * writes to the disk.\n- *\n- * To do O_SYNC writes, just queue the buffer writes with write_dirty_buffer\n- * as you dirty the buffers, and then use osync_inode_buffers to wait for\n- * completion.  Any other dirty buffers which are not yet queued for\n- * write will not be flushed to disk by the osync.\n- */\n-static int osync_buffers_list(spinlock_t *lock, struct list_head *list)\n-{\n-\tstruct buffer_head *bh;\n-\tstruct list_head *p;\n-\tint err = 0;\n-\n-\tspin_lock(lock);\n-repeat:\n-\tlist_for_each_prev(p, list) {\n-\t\tbh = BH_ENTRY(p);\n-\t\tif (buffer_locked(bh)) {\n-\t\t\tget_bh(bh);\n-\t\t\tspin_unlock(lock);\n-\t\t\twait_on_buffer(bh);\n-\t\t\tif (!buffer_uptodate(bh))\n-\t\t\t\terr = -EIO;\n-\t\t\tbrelse(bh);\n-\t\t\tspin_lock(lock);\n-\t\t\tgoto repeat;\n-\t\t}\n-\t}\n-\tspin_unlock(lock);\n-\treturn err;\n-}\n-\n /**\n  * sync_mapping_buffers - write out & wait upon a mapping's \"associated\" buffers\n  * @mapping: the mapping which wants those buffers written\n@@ -777,7 +742,7 @@ static int fsync_buffers_list(spinlock_t *lock, struct list_head *list)\n {\n \tstruct buffer_head *bh;\n \tstruct address_space *mapping;\n-\tint err = 0, err2;\n+\tint err = 0;\n \tstruct blk_plug plug;\n \tLIST_HEAD(tmp);\n \n@@ -844,11 +809,7 @@ static int fsync_buffers_list(spinlock_t *lock, struct list_head *list)\n \t}\n \t\n \tspin_unlock(lock);\n-\terr2 = osync_buffers_list(lock, list);\n-\tif (err)\n-\t\treturn err;\n-\telse\n-\t\treturn err2;\n+\treturn err;\n }\n \n /*\n",
    "prefixes": [
        "28/42"
    ]
}