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Sun, 1 Sep 2024 13:37:14 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 50.222.100.11) smtp.mailfrom=ddn.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=ddn.com; Received-SPF: Pass (protection.outlook.com: domain of ddn.com designates 50.222.100.11 as permitted sender) receiver=protection.outlook.com; client-ip=50.222.100.11; helo=uww-mrp-01.datadirectnet.com; pr=C Received: from uww-mrp-01.datadirectnet.com (50.222.100.11) by MN1PEPF0000F0E2.mail.protection.outlook.com (10.167.242.40) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.7918.13 via Frontend Transport; Sun, 1 Sep 2024 13:37:14 +0000 Received: from localhost (unknown [10.68.0.8]) by uww-mrp-01.datadirectnet.com (Postfix) with ESMTP id 34174D0; Sun, 1 Sep 2024 13:37:13 +0000 (UTC) From: Bernd Schubert Date: Sun, 01 Sep 2024 15:37:10 +0200 Subject: [PATCH RFC v3 16/17] fuse: {uring} Handle IO_URING_F_TASK_DEAD Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240901-b4-fuse-uring-rfcv3-without-mmap-v3-16-9207f7391444@ddn.com> References: <20240901-b4-fuse-uring-rfcv3-without-mmap-v3-0-9207f7391444@ddn.com> In-Reply-To: <20240901-b4-fuse-uring-rfcv3-without-mmap-v3-0-9207f7391444@ddn.com> To: Miklos Szeredi , Jens Axboe , Pavel Begunkov , bernd@fastmail.fm Cc: linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org, Joanne Koong , Josef Bacik , Amir Goldstein , Bernd Schubert X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; 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Also no need for further actions. Signed-off-by: Bernd Schubert --- fs/fuse/dev_uring.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/fuse/dev_uring.c b/fs/fuse/dev_uring.c index 43e7486d9f93..a65c5d08fce1 100644 --- a/fs/fuse/dev_uring.c +++ b/fs/fuse/dev_uring.c @@ -993,6 +993,9 @@ fuse_uring_send_req_in_task(struct io_uring_cmd *cmd, BUILD_BUG_ON(sizeof(pdu) > sizeof(cmd->pdu)); + if (unlikely(issue_flags & IO_URING_F_TASK_DEAD)) + goto terminating; + err = fuse_uring_prepare_send(ring_ent); if (err) goto err; @@ -1007,6 +1010,10 @@ fuse_uring_send_req_in_task(struct io_uring_cmd *cmd, return; err: fuse_uring_next_fuse_req(ring_ent, queue); + +terminating: + /* Avoid all actions as the task that issues the ring is terminating */ + io_uring_cmd_done(cmd, -ECANCELED, 0, issue_flags); } /* queue a fuse request and send it if a ring entry is available */