[2.6 patch] remove mm/backing-dev.c:congestion_wait_interruptible()

From: Adrian Bunk
Date: Tue Jul 03 2007 - 21:04:54 EST


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@xxxxxxxxx> 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@xxxxxxxxx>
Acked-by: Trond Myklebust <trond.myklebust@xxxxxxxxxx>

---

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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