linux-kernel - [2.6 patch] remove mm/backing-dev.c:congestion_wait

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Date:	Wed, 4 Jul 2007 03:05:10 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Trond Myklebust <trond.myklebust@....uio.no>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org
Subject: [2.6 patch] remove mm/backing-dev.c:congestion_wait_interruptible()

On Tue, Jul 03, 2007 at 06:35:36PM -0400, Trond Myklebust wrote:
> On Tue, 2007-07-03 at 14:48 -0700, Andrew Morton wrote:
> > On Sun, 1 Jul 2007 22:20:51 +0200
> > Adrian Bunk <bunk@...sta.de> wrote:
> > 
> > > congestion_wait_interruptible() is no longer used.
> > 
> > We might as well just delete it?
> 
> I agree. We're better off deleting it, but either would be fine by me.

Updated patch below.

> Trond

cu
Adrian


<--  snip  -->


congestion_wait_interruptible() is no longer used.

Signed-off-by: Adrian Bunk <bunk@...sta.de>
Acked-by: Trond Myklebust <trond.myklebust@....uio.no>

---

 include/linux/backing-dev.h |    1 -
 mm/backing-dev.c            |   16 ----------------
 2 files changed, 17 deletions(-)

--- linux-2.6.22-rc4-mm2/include/linux/backing-dev.h.old	2007-06-12 01:21:52.000000000 +0200
+++ linux-2.6.22-rc4-mm2/include/linux/backing-dev.h	2007-06-12 01:22:00.000000000 +0200
@@ -93,7 +93,6 @@
 void clear_bdi_congested(struct backing_dev_info *bdi, int rw);
 void set_bdi_congested(struct backing_dev_info *bdi, int rw);
 long congestion_wait(int rw, long timeout);
-long congestion_wait_interruptible(int rw, long timeout);
 void congestion_end(int rw);
 
 #define bdi_cap_writeback_dirty(bdi) \
--- linux-2.6.22-rc6-mm1/mm/backing-dev.c.old	2007-07-04 00:44:10.000000000 +0200
+++ linux-2.6.22-rc6-mm1/mm/backing-dev.c	2007-07-04 00:44:24.000000000 +0200
@@ -55,22 +55,6 @@
 }
 EXPORT_SYMBOL(congestion_wait);
 
-long congestion_wait_interruptible(int rw, long timeout)
-{
-	long ret;
-	DEFINE_WAIT(wait);
-	wait_queue_head_t *wqh = &congestion_wqh[rw];
-
-	prepare_to_wait(wqh, &wait, TASK_INTERRUPTIBLE);
-	if (signal_pending(current))
-		ret = -ERESTARTSYS;
-	else
-		ret = io_schedule_timeout(timeout);
-	finish_wait(wqh, &wait);
-	return ret;
-}
-EXPORT_SYMBOL(congestion_wait_interruptible);
-
 /**
  * congestion_end - wake up sleepers on a congested backing_dev_info
  * @rw: READ or WRITE

-
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