From mboxrd@z Thu Jan 1 00:00:00 1970 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 B5C9341C31C; Thu, 30 Apr 2026 13:20:34 +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=1777555239; cv=none; b=GachTz5MkiNfYeAK4ANF8dpPi2P/fdvX5wKACwnniB6xijyCJGI5L18sKZeFRsT9RClKBWyNWYDpWdsZ4LMdHKa7XHXPjWMivL9uWLaY/Fngfydu8E7xjlTu9/feIqmEEomvxfD+5NwBubQmLMETnvmmHEJWb7oCKF31pTLfN9s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777555239; c=relaxed/simple; bh=7EBB5GHCkHN0TskgiyxxoRk10u5pmW6e6NqBn22cBxg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=betxRNKFkcTxCX0frmdorSTpRGskAdSqUARFc0ny17JnBqdyxktAsqijtqyPC0iYHWnekMWQQ1g6R5+qvpOFJsUZn8n+A/hE4/N+rGrj+JENHGq3K3ednoz8HIJeWCqfSppVAXJ8yMtHqT/xwmezHMK7m4ow0VX8x0qm+Svyuq0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (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=d74SYXVy; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (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="d74SYXVy" 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=mDN+B9dh+NPxIY/UB0rdWyWd3aHMT0pACMhP7a3XzOM=; b=d74SYXVyLOMwmRrYGy2Kg2BfDf JFqBmzhpexVisgoo7VfdBa5A7ZrymFwsiQiH4u7aQfIm32ba8j8GxP/yYmwzndLGFe3H+Zu64sv6j 8f0Li/sIZgNl6YT0fLRe3FI6G6YGCSWGuyFMvYkVwfYbKH3Rv3BVdqIjRpjD5I0BDj8VPuZvOp+sG NAiFOpfUWoOHU/6Je0ypiFG1M3Hnzq0G3XSenkLWZ4CpkMwWXHKW4ZnUm6BzCn9arkiuHVIpdGf3q Sn5/EXzHci3El1f2Iuqt8t5q9qFQ0fwZeP15ULPaes4LGeRokOdOJ46ZbRA19PIa7PU+l/b3xpq0o TYwpDuuQ==; Received: from [2001:4bb8:2d1:b956:8772:dd9e:18ae:7a3] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1wIRJh-00000005WvJ-1MbH; Thu, 30 Apr 2026 13:20:33 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Christian Brauner , "Darrick J. Wong" , linux-block@vger.kernel.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 2/2] block: align down bounces bios Date: Thu, 30 Apr 2026 15:20:05 +0200 Message-ID: <20260430132019.312405-3-hch@lst.de> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260430132019.312405-1-hch@lst.de> References: <20260430132019.312405-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Just like for the extract user pages path, we need to align down the size to the supported boundary. Signed-off-by: Christoph Hellwig --- block/bio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/bio.c b/block/bio.c index f3e5d8bea08c..5f10900b3f42 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1345,7 +1345,7 @@ static int bio_iov_iter_bounce_write(struct bio *bio, struct iov_iter *iter, if (!bio->bi_iter.bi_size) return -ENOMEM; - return 0; + return bio_iov_iter_align_down(bio, iter, minsize - 1); } static int bio_iov_iter_bounce_read(struct bio *bio, struct iov_iter *iter, @@ -1383,7 +1383,7 @@ static int bio_iov_iter_bounce_read(struct bio *bio, struct iov_iter *iter, bvec_set_folio(&bio->bi_io_vec[0], folio, bio->bi_iter.bi_size, 0); if (iov_iter_extract_will_pin(iter)) bio_set_flag(bio, BIO_PAGE_PINNED); - return 0; + return bio_iov_iter_align_down(bio, iter, minsize - 1); } /** -- 2.53.0