From patchwork Thu Apr 11 14:53:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Al Viro X-Patchwork-Id: 13626118 Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [62.89.141.173]) (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 C291C749F; Thu, 11 Apr 2024 14:53:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.89.141.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712847235; cv=none; b=hjQAepT/hVySrWQmUVRfxB2WwBgvz45gspVDMQ4DTocvg9m7mwPx3l4HbuXODqQ2LSVcAtCq0eW2q3H/fyt6dTTiAFiVN4D3smNNxv8O95xcW3ihngAcqSTkRyddbeH38De1TJ6Ve9feIy+OvFBffvQwfa67pUNvqw5aNzqx7IY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712847235; c=relaxed/simple; bh=j0sIk2sj3Fwft4fpYSFtpNuxji39MAf7IdeHbajEMsQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=usdPCUbaZkfL2BhTsPdcgIBkxlt41ORqJhi0X9t4ToIGgISOVTCu5sJIpCvV+Rc4SYJF+yhHndAFLghQVNS+svaREaQNYpqfI8C1Yv7NyN7aBP/pmGTna+lxZfiKZ1JNYZMCAY/eNh+crz6TQikAaqHZDosHKz6p7Jw7Sgupqvg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk; spf=none smtp.mailfrom=ftp.linux.org.uk; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b=LAAEzFJS; arc=none smtp.client-ip=62.89.141.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=ftp.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b="LAAEzFJS" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=/X+RjE0cR7UsI2jyr7Q3/67hAUaqXlL7EqAxyCC+IZw=; b=LAAEzFJSDkcSmIMJ1UGMzYfSvy sR6RtZ7f/ltNZ/qB2lIhZM7XUGlIvuO3e53L6KSSyFqxEznvfrTHyiFjbug/tOrJJoHp1PqcuA13c +U2IGJwHSWJOuHWwu7JyCpA93kbpZL6G2A9YPSYFlzA9OtlqPkLmfuGx1cKT5mFXdtiKTr4pqv0dW Czk64U3uS7/cOvBOltAFgioKbBKYh3slo0ldpmnlSA1QdXbb3idzwaxOWtSWgg82EF3WHWkCC/lIE 7OmoyGAuYCp6JO00oSbE/JAaA+kG0KN2rjrpZ2OQ6YwD3h0fuOCOlA+E8SmwkUaa5M1HmFk+Msw63 QgPa1fsg==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.96 #2 (Red Hat Linux)) id 1ruvoB-00AYkg-0M; Thu, 11 Apr 2024 14:53:47 +0000 From: Al Viro To: Christian Brauner Cc: Jan Kara , Yu Kuai , hch@lst.de, axboe@kernel.dk, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, yi.zhang@huawei.com, yangerkun@huawei.com, "yukuai (C)" Subject: [PATCH 05/11] blkdev_write_iter(): saner way to get inode and bdev Date: Thu, 11 Apr 2024 15:53:40 +0100 Message-Id: <20240411145346.2516848-5-viro@zeniv.linux.org.uk> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240411145346.2516848-1-viro@zeniv.linux.org.uk> References: <20240411144930.GI2118490@ZenIV> <20240411145346.2516848-1-viro@zeniv.linux.org.uk> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Sender: Al Viro ... same as in other methods - bdev_file_inode() and I_BDEV() of that. Signed-off-by: Al Viro --- block/fops.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/fops.c b/block/fops.c index af6c244314af..040743a3b43d 100644 --- a/block/fops.c +++ b/block/fops.c @@ -668,8 +668,8 @@ static ssize_t blkdev_buffered_write(struct kiocb *iocb, struct iov_iter *from) static ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from) { struct file *file = iocb->ki_filp; - struct block_device *bdev = I_BDEV(file->f_mapping->host); - struct inode *bd_inode = bdev->bd_inode; + struct inode *bd_inode = bdev_file_inode(file); + struct block_device *bdev = I_BDEV(bd_inode); loff_t size = bdev_nr_bytes(bdev); size_t shorted = 0; ssize_t ret;