From 27410a8927fb89bd150de08d749a8ed7f67b7739 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 31 Jan 2017 16:57:27 +0100 Subject: [PATCH 1/1] nbd: remove REQ_TYPE_DRV_PRIV leftovers Disconnects don't use block layer requests these days, so all handling of private requests is dead code. Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/block/nbd.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 9fd06eeb1a17..d4c6281a181c 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -193,13 +193,6 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req, set_bit(NBD_TIMEDOUT, &nbd->runtime_flags); req->errors++; - /* - * If our disconnect packet times out then we're already holding the - * config_lock and could deadlock here, so just set an error and return, - * we'll handle shutting everything down later. - */ - if (req->cmd_type == REQ_TYPE_DRV_PRIV) - return BLK_EH_HANDLED; mutex_lock(&nbd->config_lock); sock_shutdown(nbd); mutex_unlock(&nbd->config_lock); @@ -510,8 +503,7 @@ static void nbd_handle_cmd(struct nbd_cmd *cmd, int index) goto error_out; } - if (req->cmd_type != REQ_TYPE_FS && - req->cmd_type != REQ_TYPE_DRV_PRIV) + if (req->cmd_type != REQ_TYPE_FS) goto error_out; if (req->cmd_type == REQ_TYPE_FS && -- 2.39.2