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Date: Mon, 10 Jan 2005 13:20:38 -0800
From: Nishanth Aravamudan <nacc@us.ibm.com>
To: kj <kernel-janitors@lists.osdl.org>, lkml <linux-kernel@vger.kernel.org>
Subject: [UPDATE PATCH] block/pg: replace pg_sleep() with msleep()
Message-ID: <20050110212038.GG9186@us.ibm.com>
References: <20050110164703.GD14307@nd47.coderock.org>
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Sorry, slightly inaccurate description...

On Mon, Jan 10, 2005 at 05:47:03PM +0100, Domen Puncer wrote:
> Patchset of 171 patches is at http://coderock.org/kj/2.6.10-bk13-kj/
> 
> Quick patch summary: about 30 new, 30 merged, 30 dropped.
> Seems like most external trees are merged in -linus, so i'll start
> (re)sending old patches.

<snip>

> msleep_interruptible-drivers_block_pg.patch

Please consider replacing with the following patch:

Description: Use msleep()/ssleep() instead of pg_sleep() to guarantee
the task delays as expected. TASK_INTERRUPTIBLE is used in the original code,
however there is no check on the return values / for signals, thus I believe
TASK_UNINTERRUPTIBLE (and hence msleep()) is more appropriate. Change pg_sleep()
to use TASK_UNINTERRUPTIBLE as well.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>


--- 2.6.10-v/drivers/block/paride/pg.c	2004-12-24 13:35:25.000000000 -0800
+++ 2.6.10/drivers/block/paride/pg.c	2005-01-10 12:21:34.000000000 -0800
@@ -295,7 +295,7 @@ static inline u8 DRIVE(struct pg *dev)
 
 static void pg_sleep(int cs)
 {
-	current->state = TASK_INTERRUPTIBLE;
+	set_current_state(TASK_UNINTERRUPTIBLE);
 	schedule_timeout(cs);
 }
 
@@ -409,7 +409,7 @@ static int pg_reset(struct pg *dev)
 	write_reg(dev, 6, DRIVE(dev));
 	write_reg(dev, 7, 8);
 
-	pg_sleep(20 * HZ / 1000);
+	msleep(20);
 
 	k = 0;
 	while ((k++ < PG_RESET_TMO) && (status_reg(dev) & STAT_BUSY))
-
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