linux-kernel - [PATCH 01/16] coccinelle: misc: secs_to

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Message-Id: <20250128-converge-secs-to-jiffies-part-two-v1-1-9a6ecf0b2308@linux.microsoft.com>
Date: Tue, 28 Jan 2025 18:21:46 +0000
From: Easwar Hariharan <eahariha@...ux.microsoft.com>
To: Andrew Morton <akpm@...ux-foundation.org>, 
 Yaron Avizrat <yaron.avizrat@...el.com>, Oded Gabbay <ogabbay@...nel.org>, 
 Julia Lawall <Julia.Lawall@...ia.fr>, Nicolas Palix <nicolas.palix@...g.fr>, 
 James Smart <james.smart@...adcom.com>, 
 Dick Kennedy <dick.kennedy@...adcom.com>, 
 "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>, 
 "Martin K. Petersen" <martin.petersen@...cle.com>, 
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, 
 Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>, 
 David Sterba <dsterba@...e.com>, Ilya Dryomov <idryomov@...il.com>, 
 Dongsheng Yang <dongsheng.yang@...ystack.cn>, Jens Axboe <axboe@...nel.dk>, 
 Xiubo Li <xiubli@...hat.com>, Damien Le Moal <dlemoal@...nel.org>, 
 Niklas Cassel <cassel@...nel.org>, Carlos Maiolino <cem@...nel.org>, 
 "Darrick J. Wong" <djwong@...nel.org>, Sebastian Reichel <sre@...nel.org>, 
 Keith Busch <kbusch@...nel.org>, Christoph Hellwig <hch@....de>, 
 Sagi Grimberg <sagi@...mberg.me>, Frank Li <Frank.Li@....com>, 
 Mark Brown <broonie@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, 
 Shyam Sundar S K <Shyam-sundar.S-k@....com>, 
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 Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, 
 Henrique de Moraes Holschuh <hmh@....eng.br>, 
 Selvin Xavier <selvin.xavier@...adcom.com>, 
 Kalesh AP <kalesh-anakkur.purayil@...adcom.com>, 
 Jason Gunthorpe <jgg@...pe.ca>, Leon Romanovsky <leon@...nel.org>
Cc: cocci@...ia.fr, linux-kernel@...r.kernel.org, 
 linux-scsi@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
 linux-sound@...r.kernel.org, linux-btrfs@...r.kernel.org, 
 ceph-devel@...r.kernel.org, linux-block@...r.kernel.org, 
 linux-ide@...r.kernel.org, linux-xfs@...r.kernel.org, 
 linux-pm@...r.kernel.org, linux-nvme@...ts.infradead.org, 
 linux-spi@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, platform-driver-x86@...r.kernel.org, 
 ibm-acpi-devel@...ts.sourceforge.net, linux-rdma@...r.kernel.org, 
 Easwar Hariharan <eahariha@...ux.microsoft.com>
Subject: [PATCH 01/16] coccinelle: misc: secs_to_jiffies: Patch expressions
 too

Teach the script to suggest conversions for timeout patterns where the
arguments to msecs_to_jiffies() are expressions as well.

Signed-off-by: Easwar Hariharan <eahariha@...ux.microsoft.com>
---
 scripts/coccinelle/misc/secs_to_jiffies.cocci | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/scripts/coccinelle/misc/secs_to_jiffies.cocci b/scripts/coccinelle/misc/secs_to_jiffies.cocci
index 8bbb2884ea5db939c63fd4513cf5ca8c977aa8cb..ab9880d239f7d2a8d56a481a2710369e1082e16e 100644
--- a/scripts/coccinelle/misc/secs_to_jiffies.cocci
+++ b/scripts/coccinelle/misc/secs_to_jiffies.cocci
@@ -11,12 +11,22 @@

 virtual patch

-@...ends on patch@ constant C; @@
+@...ends on patch@
+constant C;
+@@

-- msecs_to_jiffies(C * 1000)
-+ secs_to_jiffies(C)
+-msecs_to_jiffies
++secs_to_jiffies
+ (C
+- * \( 1000 \| MSEC_PER_SEC \)
+ )

-@...ends on patch@ constant C; @@
+@...ends on patch@
+expression E;
+@@

-- msecs_to_jiffies(C * MSEC_PER_SEC)
-+ secs_to_jiffies(C)
+-msecs_to_jiffies
++secs_to_jiffies
+ (E
+- * \( 1000 \| MSEC_PER_SEC \)
+ )

-- 
2.43.0