From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794064333; b=xDYkmur2aYUI5x+d8YRkG3HmToB8tgLl36M4UkjRhg9+iQ4klkeUbSD8ZHmGIclLLN87 BVt9SOAVyTqCprF4W4PQmoa0auOTLuMVKivnfC7HDA5Ifnc4eu8qeBjCaNzV35nD6GfUi Uk6sAg6gA3HlcMm30fsqXhTMtRtL3+zpc4Ga3Fb+RgkS5AS1m0nmwh23gHP9DvfR1qHte Skz4UTtN/vphEEQUFN4AYjBXI2cLUCL6ZUz3/RkyDA26nn7NaP+9z+AiNKm8r2WiAGMIT BIkmPeh/coqyXY1vej37A3MuH2qnLPEGPEPzBl8qJipo6GrvF4TOkBLdI0DEVlBu+hQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794064333; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=hal+IcfDvZylkfW1bmi9WzSFQFxuGI95KExG5MEXKOE=; b=DB5VSeKW14Zno7WmzuoMpV5Hql6KCTyFXe9/EXliaJHi2sQNL2DrciW9IA9Iy8c6WGH7 +T0k5pTz1xUmCIydUdZBG4/6U+BNFWd7DiafU4TQw0COeSRvw8ASlOORj3nU4TNiKhsRp fYwyqVRWlJ4CqSkKfcDtQRazWajBkgMf0U9crpFUDgmOq4C3EviJb8LxuZ2doiM9NwjCH RoIrCkjhYlYhF5H3Wk3qf90W1yXn5Y7s4oIxDvCwUcer+rekKPdPxLPMc1SpCUHaiUQFI fhfYUPOLev/MdyKuQJfIICavPTVfJDmmu2YDDFo9zHW8phza8l1B0DG+2Vb7uJFJxrA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=cvMCy4Rx; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A933F606A336; Sat, 7 Nov 2026 15:12:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=cvMCy4Rx Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5648F1F0089F; Sat, 7 Nov 2026 15:12:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1794064332; bh=hal+IcfDvZylkfW1bmi9WzSFQFxuGI95KExG5MEXKOE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=cvMCy4Rx3aDrU73F5PF5tryOpoVPpGnmv0W55quLbFmPI5H4mI+i/UkwO0hQgIn2U keBkzb7iNyYgMcAc9DoOC0KQxEXy9Gc3QgABmCtQxeSZcLladGs5f5ULeyalA3H/yP xUCFfgqWpKXS/HUku8cXy8lP6u0jfXuYUq/6at3w= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mikulas Patocka , Sasha Levin Subject: [PATCH 7.3 0417/1257] dm-writecache: report I/O error if flush failed Date: Sat, 7 Nov 2026 08:45:13 -0500 Message-ID: <20261107134951.026386465@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261107134939.434104957@linuxfoundation.org> References: <20261107134939.434104957@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mikulas Patocka [ Upstream commit 78a6afc2999d26e5a30a56db77db34c22b88f5d5 ] There was a bug that if writecache_flush fails due to I/O error, the error is not reported in the FUA bio. This commit fixes it. Signed-off-by: Mikulas Patocka Assisted-by: opencode:big-pickle Cc: stable@vger.kernel.org Fixes: 48debafe4f2f ("dm: add writecache target") Signed-off-by: Sasha Levin --- drivers/md/dm-writecache.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c index 978646f71f996..5804cbc62a511 100644 --- a/drivers/md/dm-writecache.c +++ b/drivers/md/dm-writecache.c @@ -1493,10 +1493,13 @@ static enum wc_map_op writecache_map_write(struct dm_writecache *wc, struct bio } } while (bio->bi_iter.bi_size); - if (unlikely(bio->bi_opf & REQ_FUA || wc->uncommitted_blocks >= wc->autocommit_blocks)) + if (unlikely(bio->bi_opf & REQ_FUA || wc->uncommitted_blocks >= wc->autocommit_blocks)) { writecache_flush(wc); - else + if (writecache_has_error(wc)) + bio->bi_status = BLK_STS_IOERR; + } else { writecache_schedule_autocommit(wc); + } return WC_MAP_SUBMIT; } -- 2.53.0