Commit 99f95e52 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] cfq build fix

drivers/block/cfq-iosched.c: In function 'cfq_put_queue':
drivers/block/cfq-iosched.c:303: sorry, unimplemented: inlining failed in call to 'cfq_pending_requests': function body not available
drivers/block/cfq-iosched.c:1080: sorry, unimplemented: called from here
drivers/block/cfq-iosched.c: In function '__cfq_may_queue':
drivers/block/cfq-iosched.c:1955: warning: the address of 'cfq_cfqq_must_alloc_slice', will always evaluate as 'true'
make[1]: *** [drivers/block/cfq-iosched.o] Error 1
make: *** [drivers/block/cfq-iosched.o] Error 2

Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 6e5a3275
...@@ -300,7 +300,6 @@ CFQ_CRQ_FNS(requeued); ...@@ -300,7 +300,6 @@ CFQ_CRQ_FNS(requeued);
static struct cfq_queue *cfq_find_cfq_hash(struct cfq_data *, unsigned int, unsigned short); static struct cfq_queue *cfq_find_cfq_hash(struct cfq_data *, unsigned int, unsigned short);
static void cfq_dispatch_sort(request_queue_t *, struct cfq_rq *); static void cfq_dispatch_sort(request_queue_t *, struct cfq_rq *);
static void cfq_put_cfqd(struct cfq_data *cfqd); static void cfq_put_cfqd(struct cfq_data *cfqd);
static inline int cfq_pending_requests(struct cfq_data *cfqd);
#define process_sync(tsk) ((tsk)->flags & PF_SYNCWRITE) #define process_sync(tsk) ((tsk)->flags & PF_SYNCWRITE)
...@@ -348,6 +347,28 @@ static struct request *cfq_find_rq_hash(struct cfq_data *cfqd, sector_t offset) ...@@ -348,6 +347,28 @@ static struct request *cfq_find_rq_hash(struct cfq_data *cfqd, sector_t offset)
return NULL; return NULL;
} }
static inline int cfq_pending_requests(struct cfq_data *cfqd)
{
return !list_empty(&cfqd->queue->queue_head) || cfqd->busy_queues;
}
/*
* scheduler run of queue, if there are requests pending and no one in the
* driver that will restart queueing
*/
static inline void cfq_schedule_dispatch(struct cfq_data *cfqd)
{
if (!cfqd->rq_in_driver && cfq_pending_requests(cfqd))
kblockd_schedule_work(&cfqd->unplug_work);
}
static int cfq_queue_empty(request_queue_t *q)
{
struct cfq_data *cfqd = q->elevator->elevator_data;
return !cfq_pending_requests(cfqd);
}
/* /*
* Lifted from AS - choose which of crq1 and crq2 that is best served now. * Lifted from AS - choose which of crq1 and crq2 that is best served now.
* We choose the request that is closest to the head right now. Distance * We choose the request that is closest to the head right now. Distance
...@@ -1071,16 +1092,6 @@ cfq_prio_to_maxrq(struct cfq_data *cfqd, struct cfq_queue *cfqq) ...@@ -1071,16 +1092,6 @@ cfq_prio_to_maxrq(struct cfq_data *cfqd, struct cfq_queue *cfqq)
return 2 * (base_rq + base_rq * (CFQ_PRIO_LISTS - 1 - cfqq->ioprio)); return 2 * (base_rq + base_rq * (CFQ_PRIO_LISTS - 1 - cfqq->ioprio));
} }
/*
* scheduler run of queue, if there are requests pending and no one in the
* driver that will restart queueing
*/
static inline void cfq_schedule_dispatch(struct cfq_data *cfqd)
{
if (!cfqd->rq_in_driver && cfq_pending_requests(cfqd))
kblockd_schedule_work(&cfqd->unplug_work);
}
/* /*
* get next queue for service * get next queue for service
*/ */
...@@ -1846,18 +1857,6 @@ cfq_insert_request(request_queue_t *q, struct request *rq, int where) ...@@ -1846,18 +1857,6 @@ cfq_insert_request(request_queue_t *q, struct request *rq, int where)
} }
} }
static inline int cfq_pending_requests(struct cfq_data *cfqd)
{
return !list_empty(&cfqd->queue->queue_head) || cfqd->busy_queues;
}
static int cfq_queue_empty(request_queue_t *q)
{
struct cfq_data *cfqd = q->elevator->elevator_data;
return !cfq_pending_requests(cfqd);
}
static void cfq_completed_request(request_queue_t *q, struct request *rq) static void cfq_completed_request(request_queue_t *q, struct request *rq)
{ {
struct cfq_rq *crq = RQ_DATA(rq); struct cfq_rq *crq = RQ_DATA(rq);
...@@ -1952,7 +1951,7 @@ __cfq_may_queue(struct cfq_data *cfqd, struct cfq_queue *cfqq, ...@@ -1952,7 +1951,7 @@ __cfq_may_queue(struct cfq_data *cfqd, struct cfq_queue *cfqq,
{ {
#if 1 #if 1
if ((cfq_cfqq_wait_request(cfqq) || cfq_cfqq_must_alloc(cfqq)) && if ((cfq_cfqq_wait_request(cfqq) || cfq_cfqq_must_alloc(cfqq)) &&
!cfq_cfqq_must_alloc_slice) { !cfq_cfqq_must_alloc_slice(cfqq)) {
cfq_mark_cfqq_must_alloc_slice(cfqq); cfq_mark_cfqq_must_alloc_slice(cfqq);
return ELV_MQUEUE_MUST; return ELV_MQUEUE_MUST;
} }
...@@ -1969,7 +1968,7 @@ __cfq_may_queue(struct cfq_data *cfqd, struct cfq_queue *cfqq, ...@@ -1969,7 +1968,7 @@ __cfq_may_queue(struct cfq_data *cfqd, struct cfq_queue *cfqq,
* only allow 1 ELV_MQUEUE_MUST per slice, otherwise we * only allow 1 ELV_MQUEUE_MUST per slice, otherwise we
* can quickly flood the queue with writes from a single task * can quickly flood the queue with writes from a single task
*/ */
if (rw == READ || !cfq_cfqq_must_alloc_slice) { if (rw == READ || !cfq_cfqq_must_alloc_slice(cfqq)) {
cfq_mark_cfqq_must_alloc_slice(cfqq); cfq_mark_cfqq_must_alloc_slice(cfqq);
return ELV_MQUEUE_MUST; return ELV_MQUEUE_MUST;
} }
......
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