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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 <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2017-01-31 16:57:27 +01:00 committed by Jens Axboe
parent 55460a8a7e
commit 27410a8927
1 changed files with 1 additions and 9 deletions
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10
drivers/block/nbd.c
View File

@ -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 &&