linux-kernel - [PATCH] libata-core: remove akpm's comments

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Message-ID: <20070218230825.GA6086@tv-sign.ru>
Date:	Mon, 19 Feb 2007 02:08:25 +0300
From:	Oleg Nesterov <oleg@...sign.ru>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Tejun Heo <htejun@...il.com>, Jeff Garzik <jeff@...zik.org>,
	Alan Cox <alan@...hat.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] libata-core: remove akpm's comments

I have a small hope this patch is correct (compile tested). At least, the code
was not correct before this patch. "Cancel and flush" should do "Cancel", and
then "flush".

Signed-off-by: Oleg Nesterov <oleg@...sign.ru>

--- WQ/drivers/ata/libata-core.c~4_ata	2007-02-18 22:56:47.000000000 +0300
+++ WQ/drivers/ata/libata-core.c	2007-02-19 02:02:06.000000000 +0300
@@ -1071,8 +1071,6 @@ void ata_port_flush_task(struct ata_port
 	spin_unlock_irqrestore(ap->lock, flags);
 
 	DPRINTK("flush #1\n");
-	cancel_work_sync(&ap->port_task.work); /* akpm: seems unneeded */
-
 	/*
 	 * At this point, if a task is running, it's guaranteed to see
 	 * the FLUSH flag; thus, it will never queue pio tasks again.
@@ -1082,8 +1080,8 @@ void ata_port_flush_task(struct ata_port
 		if (ata_msg_ctl(ap))
 			ata_port_printk(ap, KERN_DEBUG, "%s: flush #2\n",
 					__FUNCTION__);
-		cancel_work_sync(&ap->port_task.work);
 	}
+	cancel_work_sync(&ap->port_task.work);
 
 	spin_lock_irqsave(ap->lock, flags);
 	ap->pflags &= ~ATA_PFLAG_FLUSH_PORT_TASK;
@@ -5889,7 +5887,6 @@ void ata_port_detach(struct ata_port *ap
 	/* Flush hotplug task.  The sequence is similar to
 	 * ata_port_flush_task().
 	 */
-	cancel_work_sync(&ap->hotplug_task.work); /* akpm: why? */
 	cancel_delayed_work(&ap->hotplug_task);
 	cancel_work_sync(&ap->hotplug_task.work);
 

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