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GET /api/1.1/patches/2229002/?format=api
{ "id": 2229002, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2229002/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260427154639.180684-21-dhowells@redhat.com/", "project": { "id": 12, "url": "http://patchwork.ozlabs.org/api/1.1/projects/12/?format=api", "name": "Linux CIFS Client", "link_name": "linux-cifs-client", "list_id": "linux-cifs.vger.kernel.org", "list_email": "linux-cifs@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260427154639.180684-21-dhowells@redhat.com>", "date": "2026-04-27T15:46:35", "name": "[v4,20/22] netfs: Fix netfs_read_folio() to wait on writeback", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "e9afe122dccf225caab21ae0a1e056b8b8fa770b", "submitter": { "id": 59, "url": "http://patchwork.ozlabs.org/api/1.1/people/59/?format=api", "name": "David Howells", "email": "dhowells@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260427154639.180684-21-dhowells@redhat.com/mbox/", "series": [ { "id": 501682, "url": "http://patchwork.ozlabs.org/api/1.1/series/501682/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/list/?series=501682", "date": "2026-04-27T15:46:15", "name": "netfs: Miscellaneous fixes", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/501682/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2229002/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2229002/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-cifs+bounces-11176-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-cifs@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=HNOEVu2s;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; 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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1777304904;\n\th=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n\t to:to:cc:cc:mime-version:mime-version:\n\t content-transfer-encoding:content-transfer-encoding:\n\t in-reply-to:in-reply-to:references:references;\n\tbh=m8TreMojEQ0wPuyO6zSmrQCQs0j8kwVy3C2ZGai7LkE=;\n\tb=HNOEVu2sfnBfzLiaKh9qvY+Sx2hxgpgqKXw4nMIMpKJwykf3gEuaxzrAmBIzwzozxl57vE\n\t+7iJWD2aH1ydQITG2ZZCVpYp6/6mb9/E36qs1LMZaaeMduOrWvJiAMbBa3rsccplmVsa68\n\tpi4v/IHUmAIdoi49IUfxzfF34cC9kfs=", "X-MC-Unique": "ruZpO2nZNXevnvPOO4C5GA-1", "X-Mimecast-MFC-AGG-ID": "ruZpO2nZNXevnvPOO4C5GA_1777304898", "From": "David Howells <dhowells@redhat.com>", "To": "Christian Brauner <christian@brauner.io>", "Cc": "David Howells <dhowells@redhat.com>,\n\tPaulo Alcantara <pc@manguebit.org>,\n\tnetfs@lists.linux.dev,\n\tlinux-afs@lists.infradead.org,\n\tlinux-cifs@vger.kernel.org,\n\tceph-devel@vger.kernel.org,\n\tlinux-fsdevel@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tMatthew Wilcox <willy@infradead.org>", "Subject": "[PATCH v4 20/22] netfs: Fix netfs_read_folio() to wait on writeback", "Date": "Mon, 27 Apr 2026 16:46:35 +0100", "Message-ID": "<20260427154639.180684-21-dhowells@redhat.com>", "In-Reply-To": "<20260427154639.180684-1-dhowells@redhat.com>", "References": "<20260427154639.180684-1-dhowells@redhat.com>", "Precedence": "bulk", "X-Mailing-List": "linux-cifs@vger.kernel.org", "List-Id": "<linux-cifs.vger.kernel.org>", "List-Subscribe": "<mailto:linux-cifs+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-cifs+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Scanned-By": "MIMEDefang 3.0 on 10.30.177.12" }, "content": "Fix netfs_read_folio() to wait for an ongoing writeback to complete so that\nit can trust the dirty flag and whatever is attached to folio->private\n(folio->private may get cleaned up by the collector before it clears the\nwriteback flag).\n\nFixes: ee4cdf7ba857 (\"netfs: Speed up buffered reading\")\nCloses: https://sashiko.dev/#/patchset/20260414082004.3756080-1-dhowells%40redhat.com\nSigned-off-by: David Howells <dhowells@redhat.com>\ncc: Paulo Alcantara <pc@manguebit.org>\ncc: Matthew Wilcox <willy@infradead.org>\ncc: netfs@lists.linux.dev\ncc: linux-fsdevel@vger.kernel.org\n---\n fs/netfs/buffered_read.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/fs/netfs/buffered_read.c b/fs/netfs/buffered_read.c\nindex ec576d840594..5e299237c9ec 100644\n--- a/fs/netfs/buffered_read.c\n+++ b/fs/netfs/buffered_read.c\n@@ -508,6 +508,8 @@ int netfs_read_folio(struct file *file, struct folio *folio)\n \tstruct netfs_inode *ctx = netfs_inode(mapping->host);\n \tint ret;\n \n+\tfolio_wait_writeback(folio);\n+\n \tif (folio_test_dirty(folio))\n \t\treturn netfs_read_gaps(file, folio);\n \n", "prefixes": [ "v4", "20/22" ] }