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remove mm/backing-dev.c:congestion_wait_interruptible()

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congestion_wait_interruptible() is no longer used.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Adrian Bunk 2007-07-15 23:41:52 -07:00 committed by Linus Torvalds
parent 1492192b4a
commit 8f8a68ee48
2 changed files with 0 additions and 17 deletions
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1
include/linux/backing-dev.h
View File

@ -93,7 +93,6 @@ static inline int bdi_rw_congested(struct backing_dev_info *bdi)
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) \

16
mm/backing-dev.c
View File

@ -55,22 +55,6 @@ long congestion_wait(int rw, long timeout)
}
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