From patchwork Fri May 31 07:47:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13681232 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 052B176035; Fri, 31 May 2024 07:48:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717141736; cv=none; b=BS/7KxX1ftk4j/Cg1xgUIDi3stBtYrI9eYJNfOuYB/aPOwvyJ/NSe4V6e0hfaDNr1iAlSLG/McWGCPUdzLaX/3O028WYhsXQIxWwnFBu2G0Q454grqDj37ZBznMPnYmcCOeNGd7Af+B+jl6flWoHFNT3aFxzvg8Gc3uyjqqBiOg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717141736; c=relaxed/simple; bh=v08k7pvF3hlZPYzRKJ+l5jTd18252CQubHs3jvGoXEM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=faoiT4+oGetjqKII8CHlAdbtIAJ3n8sU1w3zE7VFibbWVh0EW2x+v4fdesnPuaIPj7suCcuKL2Br9VDmCV9jePBKU5sVgyXnI9Gw0nCjC52d0SrkSBGJs0CO8QB8nOrg+5AoGfGY8SWVBdJt6aF0Dv5pcke9b9PsOAe8UXiFPx0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=J4nlNlkb; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="J4nlNlkb" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=rhxveVy4ScfquPw+Ix55dD12V3sv6PgWUOdWXrb/Dgc=; b=J4nlNlkbb/6E8DoWjrWzBe17s+ CJVqEecG19yjleGxex9L/rhFT9qasHn6qna9Ox4xdCtfT2NL2WybUr+Btt1JBtMiN63u2AYIWSWYp x/b5RauYpwQbW6TG2qy5VU8YmAs4LK1RJ0azUWoICI7ChyFsp1PntmHJb1zjTQ1qbjAApinNKsCX3 3UxuUS6VXFWwGUdhPdyE9jBuRrwWRfNrp862wHcecAY3+bCIcTlA9yjGFxVf6N9I6LrqtpjuKoH1w /hMhiL+hKd/CwPMEmeWIWF8VMYlcztrGWuM8vJw6GkXqKBTc9aMxPq8nTUApUw6ocrxKXVdwFsOXs sp7B+rOg==; Received: from 2a02-8389-2341-5b80-5ba9-f4da-76fa-44a9.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:5ba9:f4da:76fa:44a9] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sCx0K-00000009XWY-3uLP; Fri, 31 May 2024 07:48:49 +0000 From: Christoph Hellwig To: Jens Axboe , "Martin K. Petersen" Cc: Richard Weinberger , Anton Ivanov , Johannes Berg , Josef Bacik , Ilya Dryomov , Dongsheng Yang , =?utf-8?q?Roger_Pau_Monn?= =?utf-8?q?=C3=A9?= , linux-um@lists.infradead.org, linux-block@vger.kernel.org, nbd@other.debian.org, ceph-devel@vger.kernel.org, xen-devel@lists.xenproject.org, linux-scsi@vger.kernel.org, Bart Van Assche , Damien Le Moal Subject: [PATCH 02/14] ubd: untagle discard vs write zeroes not support handling Date: Fri, 31 May 2024 09:47:57 +0200 Message-ID: <20240531074837.1648501-3-hch@lst.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240531074837.1648501-1-hch@lst.de> References: <20240531074837.1648501-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Discard and Write Zeroes are different operation and implemented by different fallocate opcodes for ubd. If one fails the other one can work and vice versa. Split the code to disable the operations in ubd_handler to only disable the operation that actually failed. Fixes: 50109b5a03b4 ("um: Add support for DISCARD in the UBD Driver") Signed-off-by: Christoph Hellwig Reviewed-by: Bart Van Assche Reviewed-by: Damien Le Moal Reviewed-by: Martin K. Petersen Acked-By: Anton Ivanov --- arch/um/drivers/ubd_kern.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 0c9542d58c01b7..093c87879d08ba 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -449,10 +449,11 @@ static int bulk_req_safe_read( static void ubd_end_request(struct io_thread_req *io_req) { - if (io_req->error == BLK_STS_NOTSUPP && - req_op(io_req->req) == REQ_OP_DISCARD) { - blk_queue_max_discard_sectors(io_req->req->q, 0); - blk_queue_max_write_zeroes_sectors(io_req->req->q, 0); + if (io_req->error == BLK_STS_NOTSUPP) { + if (req_op(io_req->req) == REQ_OP_DISCARD) + blk_queue_max_discard_sectors(io_req->req->q, 0); + else if (req_op(io_req->req) == REQ_OP_WRITE_ZEROES) + blk_queue_max_write_zeroes_sectors(io_req->req->q, 0); } blk_mq_end_request(io_req->req, io_req->error); kfree(io_req);