From: Nick Piggin <nickpiggin@yahoo.com.au>
get_request_wait needn't unplug the device immediately.
Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
drivers/block/ll_rw_blk.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/block/ll_rw_blk.c~blk-unplug-later drivers/block/ll_rw_blk.c
--- 25/drivers/block/ll_rw_blk.c~blk-unplug-later 2005-05-03 20:53:50.000000000 -0700
+++ 25-akpm/drivers/block/ll_rw_blk.c 2005-05-03 20:53:50.000000000 -0700
@@ -1968,7 +1968,6 @@ static struct request *get_request_wait(
DEFINE_WAIT(wait);
struct request *rq;
- generic_unplug_device(q);
do {
struct request_list *rl = &q->rq;
@@ -1980,6 +1979,7 @@ static struct request *get_request_wait(
if (!rq) {
struct io_context *ioc;
+ generic_unplug_device(q);
io_schedule();
/*
_