From nobody Wed Dec 17 12:17:21 2025 Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 57127139566 for ; Sun, 10 Nov 2024 15:29:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731252562; cv=none; b=JZeekY/K1tdWIdf7M2CDtdSu5vYK9jY7klVCvpQfqPZFYXtzqygINhOBEuo1k2agzfotihIwEmINE+VgnTBtBAPWE9dfDGK3vjGlXpQq42rYUQO7Sj7ApS6SCY97d8DK6UzzZIGGggYcWlbM9ciS1Mu6i6sDk6BOBt4fPNdTZak= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731252562; c=relaxed/simple; bh=FAuL9fA2byaQyHKz3osLBcHrpXlsfUGCQq+TdYUSPV4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gxQSxlbbo44Ile806WCvZDyghMJfPfJualYo1VsIXgIYcOAmistEikXJZHDagopgGFHgqtn2NHdUvU1Kc8+W9fEghn43Frdgfccz8yCavdscSpUvH9maDMFso0hnlCnmspiw+ZIU7uGmK7wM6DpHgzuBgGexG5pC//hcrFmYmLI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk; spf=pass smtp.mailfrom=kernel.dk; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b=qmYWEuXR; arc=none smtp.client-ip=209.85.214.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b="qmYWEuXR" Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-20cceb8d8b4so24320015ad.1 for ; Sun, 10 Nov 2024 07:29:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1731252560; x=1731857360; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=uN7tjL2s/tmxM6CJqz4ta5HuqLPCPNJgi5Uvj68apZw=; b=qmYWEuXR0dF4ao1qm23FHBkC1KFFPpXHCNxeCrVBSTu51G7sJ5NGRSHFiR/HEauAil 1bKE3AArI9plvFqdKod2vE1CxWBDCIPEvDdX8U3IE6Gmpu8W726qKIzA2pAqf75aHTw0 jNvaw6j86lAd8mX/79Ko2mKpI/5phTJOF7cGf+OA/QgV8fCts5OTxY7Ij3SYr3YQocl7 yPhrMab/vSExHReUDUim/U3rWGDLxsxkQe2y6fpSqhCE+A4Kd2ksgIayFprt4TuRAMJn XZsVkotq+HbOlVYdMp721vkbPTcIAWNiF1Bh5o8yvOOcoriMu5eu4xtCMNtFkWxUhsie d6NA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731252560; x=1731857360; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=uN7tjL2s/tmxM6CJqz4ta5HuqLPCPNJgi5Uvj68apZw=; b=B3cME4tMOwLwsk8XYzUHFcps54gGrFiWFxixw3S7fh0Xe5N0F3AW66CS6qmSENE8t7 g1CBazWbehmArzIQ8qlSdnaxeEsw4QG264ZvipGAgC8R0nduQwkWgRNKUIw8ilknpmYA YN1xTDcFwPoaXLoqLGOM6j3ZWlqsewIAlx6y3XgRBqWOhSuXc7pTj3B5fNSv9wcTOHu8 0FnElEb3gfaKoB1Nv70gBaLnOg0nih/dcVOfDNdvT6TpbNWh/aTxY7n/i/9XmQ85y894 EVfns0ugboFD8SuteUHOmZD8V8Gp8Tb3LoWEh72Fbu+MemxWKzIVxXgwhpyMZahP9PxG W1Yw== X-Forwarded-Encrypted: i=1; AJvYcCWepAQ8NnS9xiF49k4nE4L6Wmv818woSTkkxHwUi+mddMBcnvoR0k9q8XHUucN2it6gMgVcMtvU1llhWoY=@vger.kernel.org X-Gm-Message-State: AOJu0YyY1sPqRVykA5Y1nn/8qjaDQANJRZ3dm5T11NwwpJFpI9pbNmmR Wc7suWbqQ7xhlvsRX+CCTASh/yBbC+LKYAA+kl5dbgLspBQE7qr1HQRnuhYzstQ= X-Google-Smtp-Source: AGHT+IEPVPrIsvzVKM9BRnKywqUBY+49ysTGl3h3gnVcSq9byO4UW1dwGcp/l7t7WWnOfvV7vMqjdA== X-Received: by 2002:a17:902:e812:b0:20c:f6c5:7f6c with SMTP id d9443c01a7336-211821c4546mr156324045ad.16.1731252560665; Sun, 10 Nov 2024 07:29:20 -0800 (PST) Received: from localhost.localdomain ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e99a5f935dsm9940973a91.35.2024.11.10.07.29.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 Nov 2024 07:29:19 -0800 (PST) From: Jens Axboe To: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Cc: hannes@cmpxchg.org, clm@meta.com, linux-kernel@vger.kernel.org, willy@infradead.org, Jens Axboe Subject: [PATCH 05/15] mm/filemap: use page_cache_sync_ra() to kick off read-ahead Date: Sun, 10 Nov 2024 08:27:57 -0700 Message-ID: <20241110152906.1747545-6-axboe@kernel.dk> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241110152906.1747545-1-axboe@kernel.dk> References: <20241110152906.1747545-1-axboe@kernel.dk> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Rather than use the page_cache_sync_readahead() helper, define our own ractl and use page_cache_sync_ra() directly. In preparation for needing to modify ractl inside filemap_get_pages(). No functional changes in this patch. Signed-off-by: Jens Axboe --- mm/filemap.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 0b187938b999..38dc94b761b7 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2528,7 +2528,6 @@ static int filemap_get_pages(struct kiocb *iocb, size= _t count, { struct file *filp =3D iocb->ki_filp; struct address_space *mapping =3D filp->f_mapping; - struct file_ra_state *ra =3D &filp->f_ra; pgoff_t index =3D iocb->ki_pos >> PAGE_SHIFT; pgoff_t last_index; struct folio *folio; @@ -2543,12 +2542,13 @@ static int filemap_get_pages(struct kiocb *iocb, si= ze_t count, =20 filemap_get_read_batch(mapping, index, last_index - 1, fbatch); if (!folio_batch_count(fbatch)) { + DEFINE_READAHEAD(ractl, filp, &filp->f_ra, mapping, index); + if (iocb->ki_flags & IOCB_NOIO) return -EAGAIN; if (iocb->ki_flags & IOCB_NOWAIT) flags =3D memalloc_noio_save(); - page_cache_sync_readahead(mapping, ra, filp, index, - last_index - index); + page_cache_sync_ra(&ractl, last_index - index); if (iocb->ki_flags & IOCB_NOWAIT) memalloc_noio_restore(flags); filemap_get_read_batch(mapping, index, last_index - 1, fbatch); --=20 2.45.2