dm: Update a source code comment
PATCH 1/1 dm: Update a source code comment
Update a source code comment with the conclusions of the discussion of the patch that introduced this comment (commit a8c32a5). See also
http://www.redhat.com/archives/dm-devel/2012-November/msg00003.html.
Signed-off-by Bart Van Assche <[email protected]>
Cc Jens Axboe <[email protected]>
Cc Alasdair G Kergon <[email protected]>
Cc Jun'ichi Nomura <[email protected]>
Cc Tejun Heo <[email protected]>
--- drivers/md/dm.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)
drivers/md/dm.c +1 -6
@@ -740,12 +740,7 @@ static void rq_completed(struct mapped_device *md, int rw, int run_queue)if (!md_in_flight (md))wake_up (&md->wait); -/* -* Run this off this callpath, as drivers could invoke end_io while -* inside their request_fn (and holding the queue lock). Calling -* back into ->request_fn() could deadlock attempting to grab the -* queue lock again. -*/ +/* run queue asynchronously to minimize time spent in soft-IRQ ctxt */ if (run_queue)blk_run_queue_async (md->queue);
Signature · 1 line
1.7.10.4