linux-kernel - [PATCH] block: convert tasklets to use new tasklet

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Message-Id: <20200817091617.28119-2-allen.cryptic@gmail.com>
Date:   Mon, 17 Aug 2020 14:45:56 +0530
From:   Allen Pais <allen.cryptic@...il.com>
To:     jdike@...toit.com, richard@....at, anton.ivanov@...bridgegreys.com,
        3chas3@...il.com, axboe@...nel.dk, stefanr@...6.in-berlin.de,
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Cc:     keescook@...omium.org, linux-um@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org,
        linux-block@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        openipmi-developer@...ts.sourceforge.net,
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        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
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        linux-input@...r.kernel.org, linux-mmc@...r.kernel.org,
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        linux-spi@...r.kernel.org, devel@...verdev.osuosl.org,
        Allen Pais <allen.lkml@...il.com>,
        Romain Perier <romain.perier@...il.com>
Subject: [PATCH] block: convert tasklets to use new tasklet_setup() API

From: Allen Pais <allen.lkml@...il.com>

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@...il.com>
Signed-off-by: Allen Pais <allen.lkml@...il.com>
---
 drivers/block/umem.c    | 6 +++---
 drivers/block/xsysace.c | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 2b95d7b33b91..320781d5d156 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -405,7 +405,7 @@ static int add_bio(struct cardinfo *card)
 	return 1;
 }
 
-static void process_page(unsigned long data)
+static void process_page(struct tasklet_struct *t)
 {
 	/* check if any of the requests in the page are DMA_COMPLETE,
 	 * and deal with them appropriately.
@@ -415,7 +415,7 @@ static void process_page(unsigned long data)
 	 */
 	struct mm_page *page;
 	struct bio *return_bio = NULL;
-	struct cardinfo *card = (struct cardinfo *)data;
+	struct cardinfo *card = from_tasklet(card, t, tasklet);
 	unsigned int dma_status = card->dma_status;
 
 	spin_lock(&card->lock);
@@ -891,7 +891,7 @@ static int mm_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	if (!card->queue)
 		goto failed_alloc;
 
-	tasklet_init(&card->tasklet, process_page, (unsigned long)card);
+	tasklet_setup(&card->tasklet, process_page);
 
 	card->check_batteries = 0;
 
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index 5d8e0ab3f054..bdd50a87d10f 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -762,9 +762,9 @@ static void ace_fsm_dostate(struct ace_device *ace)
 	}
 }
 
-static void ace_fsm_tasklet(unsigned long data)
+static void ace_fsm_tasklet(struct tasklet_struct *t)
 {
-	struct ace_device *ace = (void *)data;
+	struct ace_device *ace = from_tasklet(ace, t, fsm_tasklet);
 	unsigned long flags;
 
 	spin_lock_irqsave(&ace->lock, flags);
@@ -1001,7 +1001,7 @@ static int ace_setup(struct ace_device *ace)
 	/*
 	 * Initialize the state machine tasklet and stall timer
 	 */
-	tasklet_init(&ace->fsm_tasklet, ace_fsm_tasklet, (unsigned long)ace);
+	tasklet_setup(&ace->fsm_tasklet, ace_fsm_tasklet);
 	timer_setup(&ace->stall_timer, ace_stall_timer, 0);
 
 	/*
-- 
2.17.1