Commit 061a5427 authored by Jens Axboe's avatar Jens Axboe
Browse files

blk-wbt: abstract out end IO completion handler 



Prep patch for calling the handler from a different context,
no functional changes in this patch.

Tested-by: default avatarAgarwal, Anchal <anchalag@amazon.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent b8dcdab3

block/blk-wbt.c

+14 −7
Original line number Diff line number Diff line
@@ -123,16 +123,11 @@ static void rwb_wake_all(struct rq_wb *rwb) 
	}

}



static void __wbt_done(struct rq_qos *rqos, enum wbt_flags wb_acct)

static void wbt_rqw_done(struct rq_wb *rwb, struct rq_wait *rqw,

			 enum wbt_flags wb_acct)

{

	struct rq_wb *rwb = RQWB(rqos);

	struct rq_wait *rqw;

	int inflight, limit;



	if (!(wb_acct & WBT_TRACKED))

		return;



	rqw = get_rq_wait(rwb, wb_acct);

	inflight = atomic_dec_return(&rqw->inflight);



	/*
@@ -170,6 +165,18 @@ static void __wbt_done(struct rq_qos *rqos, enum wbt_flags wb_acct) 
	}

}



static void __wbt_done(struct rq_qos *rqos, enum wbt_flags wb_acct)

{

	struct rq_wb *rwb = RQWB(rqos);

	struct rq_wait *rqw;



	if (!(wb_acct & WBT_TRACKED))

		return;



	rqw = get_rq_wait(rwb, wb_acct);

	wbt_rqw_done(rwb, rqw, wb_acct);

}



/*

 * Called on completion of a request. Note that it's also called when

 * a request is merged, when the request gets freed.