From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-101.mailbox.org (mout-p-101.mailbox.org [80.241.56.151]) (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 CD61F67E79; Mon, 26 Feb 2024 09:50:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.151 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708941007; cv=none; b=sHXCN9ojiCJvPN+/yCONfkPT23/WX+T/82RyTRoO/+u7zWxTvrhBE9kr0+/Q0gv3/NR9sNXmVZrdcedHHROILHbeUl28TSZfA6etVXSwx3TItk5BRuJ7G5TmpUf5uJ1c+LtWihPD7RhS/CIr9dQEM0u7kIRcMLgp08HdsshUZR4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708941007; c=relaxed/simple; bh=8T+7Tu933UIoxtI2pqlAuNX1DDPj7iQH+uJWQ1Gysvw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Mo3NIsTmeC5uNVj6NQynaW7UQ8Nr9kyCRSlEobSnRU9zDY9iS6mOj6oE6zwxJbDAcMUdWtGhaocOjMEwjveycaTySiXSyMcucy9ACN5liAaSsR4j97aeOAf6vnlQnGKPdvCwQDm0HbzKCjq3XqZ122qpzMtL9vgt1LHfSt40Im8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pankajraghav.com; spf=pass smtp.mailfrom=pankajraghav.com; dkim=pass (2048-bit key) header.d=pankajraghav.com header.i=@pankajraghav.com header.b=UvS4naGN; arc=none smtp.client-ip=80.241.56.151 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pankajraghav.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pankajraghav.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=pankajraghav.com header.i=@pankajraghav.com header.b="UvS4naGN" Received: from smtp2.mailbox.org (smtp2.mailbox.org [IPv6:2001:67c:2050:b231:465::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-101.mailbox.org (Postfix) with ESMTPS id 4Tjwp22M3Bz9sTN; Mon, 26 Feb 2024 10:50:02 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pankajraghav.com; s=MBO0001; t=1708941002; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=1njdQFWaR2BtfAMszTyy2iO3Y5kDTGCSewwBty7+2Kw=; b=UvS4naGN4B56NJsI1HXSdud2G5jomcFJ6pR8o51SW+VBhDFliKwBLh4YZFda4FACselOUk sr4+d8VOS/b+sN0XHZQ6vaUSG3xl6nmuAanTZxrifjgawftiv6ksfHNzhwGDNJf6w42bDq lmZGaWCeBHrP8LsXhFaYvtWRjZpr6UlNDGjI7mlb47aYk7yS02GDIhAfcwoWIGEpMwbP2y TD3mOqA99RywbbiYZMURMmzzCB8mckCp+XBDQmQZmvggaMnvwZEK0aKR1RuwYYdM4qnyBj WJ8s1ztuAJLE9Fm/QlnPXMTzGrmXUvfuxF5DfPZIOnX717VcvRq0XaL7/vXmgA== From: "Pankaj Raghav (Samsung)" To: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org, david@fromorbit.com, chandan.babu@oracle.com, akpm@linux-foundation.org, mcgrof@kernel.org, ziy@nvidia.com, hare@suse.de, djwong@kernel.org, gost.dev@samsung.com, linux-mm@kvack.org, willy@infradead.org, Pankaj Raghav Subject: [PATCH 05/13] readahead: set file_ra_state->ra_pages to be at least mapping_min_order Date: Mon, 26 Feb 2024 10:49:28 +0100 Message-ID: <20240226094936.2677493-6-kernel@pankajraghav.com> In-Reply-To: <20240226094936.2677493-1-kernel@pankajraghav.com> References: <20240226094936.2677493-1-kernel@pankajraghav.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4Tjwp22M3Bz9sTN From: Luis Chamberlain Set the file_ra_state->ra_pages in file_ra_state_init() to be at least mapping_min_order of pages if the bdi->ra_pages is less than that. Signed-off-by: Luis Chamberlain Signed-off-by: Pankaj Raghav --- mm/readahead.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/readahead.c b/mm/readahead.c index 369c70e2be42..8a610b78d94b 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -138,7 +138,11 @@ void file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping) { + unsigned int min_nrpages = mapping_min_folio_nrpages(mapping); + ra->ra_pages = inode_to_bdi(mapping->host)->ra_pages; + if (ra->ra_pages < min_nrpages) + ra->ra_pages = min_nrpages; ra->prev_pos = -1; } EXPORT_SYMBOL_GPL(file_ra_state_init); -- 2.43.0