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GET /api/1.1/patches/2229015/?format=api
{ "id": 2229015, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2229015/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260427154639.180684-19-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": "<20260427154639.180684-19-dhowells@redhat.com>", "date": "2026-04-27T15:46:33", "name": "[v4,18/22] netfs: Fix partial invalidation of streaming-write folio", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b2c731b098421a7354e5be87d72645812833ce8e", "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/20260427154639.180684-19-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/2229015/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2229015/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-cifs+bounces-11174-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=I/M8qV7a;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; 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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1777304894;\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=Vdxi9UOZOtHgo5imTm/mIQ6/cjgNJUqbuly6giNT79Q=;\n\tb=I/M8qV7aZE4W7Zkjm4w4gVrD126K5dxs/O3JljJXNjYt+HBAhKC4vgazY5agT/Tes1zj1G\n\tqNapZw3h+CLefBg45sqK7Kya3kmWQj7oQt5gTH194QWDPz+KmaCMEEQAyHjhagNwXGGK/h\n\tY/zPDhUiuatnAoz/6SIoEZH7Cm8Ieg0=", "X-MC-Unique": "YVQkWbXNNeipfCuB7hO6uw-1", "X-Mimecast-MFC-AGG-ID": "YVQkWbXNNeipfCuB7hO6uw_1777304889", "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 18/22] netfs: Fix partial invalidation of streaming-write\n folio", "Date": "Mon, 27 Apr 2026 16:46:33 +0100", "Message-ID": "<20260427154639.180684-19-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": "In netfs_invalidate_folio(), if the region of a partial invalidation\noverlaps the front (but not all) of a dirty write cached in a streaming\nwrite page (dirty, but not uptodate, with the dirty region tracked by a\nnetfs_folio struct), the function modifies the dirty region - but\nincorrectly as it moves the region forward by setting the start to the\nstart, not the end, of the invalidation region.\n\nFix this by setting finfo->dirty_offset to the end of the invalidation\nregion (iend).\n\nFixes: cce6bfa6ca0e (\"netfs: Fix trimming of streaming-write folios in netfs_inval_folio()\")\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/misc.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/fs/netfs/misc.c b/fs/netfs/misc.c\nindex 4e91a8d75bce..094d5e8aad1a 100644\n--- a/fs/netfs/misc.c\n+++ b/fs/netfs/misc.c\n@@ -255,7 +255,7 @@ void netfs_invalidate_folio(struct folio *folio, size_t offset, size_t length)\n \t\t\t\tgoto erase_completely;\n \t\t\t/* Move the start of the data. */\n \t\t\tfinfo->dirty_len = fend - iend;\n-\t\t\tfinfo->dirty_offset = offset;\n+\t\t\tfinfo->dirty_offset = iend;\n \t\t\ttrace_netfs_folio(folio, netfs_folio_trace_invalidate_front);\n \t\t\treturn;\n \t\t}\n", "prefixes": [ "v4", "18/22" ] }