Commit bdd646a4 authored by Nick Piggin's avatar Nick Piggin Committed by Linus Torvalds

[PATCH] blk: unplug later

get_request_wait needn't unplug the device immediately.
Signed-off-by: default avatarNick Piggin <nickpiggin@yahoo.com.au>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent fde6ad22
......@@ -1969,7 +1969,6 @@ static struct request *get_request_wait(request_queue_t *q, int rw)
DEFINE_WAIT(wait);
struct request *rq;
generic_unplug_device(q);
do {
struct request_list *rl = &q->rq;
......@@ -1981,6 +1980,7 @@ static struct request *get_request_wait(request_queue_t *q, int rw)
if (!rq) {
struct io_context *ioc;
generic_unplug_device(q);
io_schedule();
/*
......
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