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Commit 9eb55b03 authored by Nikanth Karthikesan's avatar Nikanth Karthikesan Committed by Jens Axboe
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block: catch trying to use more bits than request->cmd_flags has 



Signed-off-by: default avatarNikanth Karthikesan <knikanth@suse.de>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent c69d4854

block/blk-core.c

+3 −0
Original line number Diff line number Diff line
@@ -2097,6 +2097,9 @@ EXPORT_SYMBOL(kblockd_schedule_work); 


int __init blk_dev_init(void)

{

	BUILD_BUG_ON(__REQ_NR_BITS > 8 *

			sizeof(((struct request *)0)->cmd_flags));



	kblockd_workqueue = create_workqueue("kblockd");

	if (!kblockd_workqueue)

		panic("Failed to create kblockd\n");