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Commit 8e0b60b9 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Al Viro
Browse files

blk-mq: enable polling support by default 



Now that applications need to explicitly ask for polling we can enable it
by default in blk-mq drivers.  Note that this will only have an affect
on driver that supply a poll function, which currently only includes nvme.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarStephen Bates <stephen.bates@pmcs.com>
Tested-by: default avatarStephen Bates <stephen.bates@pmcs.com>
Reviewed-by: default avatarJeff Moyer <jmoyer@redhat.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c43c83a2

include/linux/blkdev.h

+2 −1
Original line number Diff line number Diff line
@@ -499,7 +499,8 @@ struct request_queue { 


#define QUEUE_FLAG_MQ_DEFAULT	((1 << QUEUE_FLAG_IO_STAT) |		\

				 (1 << QUEUE_FLAG_STACKABLE)	|	\

				 (1 << QUEUE_FLAG_SAME_COMP))

				 (1 << QUEUE_FLAG_SAME_COMP)	|	\

				 (1 << QUEUE_FLAG_POLL))



static inline void queue_lockdep_assert_held(struct request_queue *q)

{