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blk-throttle: Make total_nr_queued unsigned 

The total of two unsigned values should also be unsigned.

Update throtl_log output to unsigned.
Update total_nr_queued test to non-zero to be the
same as the other total_nr_queued tests.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Joe Perches 2011-06-13 20:19:27 +02:00 committed by Jens Axboe
parent fd16d26319
commit d2f31a5fd6
1 changed files with 4 additions and 4 deletions
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8
block/blk-throttle.c
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@ -142,9 +142,9 @@ static inline struct throtl_grp *tg_of_blkg(struct blkio_group *blkg)
return NULL;
}
static inline int total_nr_queued(struct throtl_data *td)
static inline unsigned int total_nr_queued(struct throtl_data *td)
{
return (td->nr_queued[0] + td->nr_queued[1]);
return td->nr_queued[0] + td->nr_queued[1];
}
static inline struct throtl_grp *throtl_ref_get_tg(struct throtl_grp *tg)
@ -927,7 +927,7 @@ static int throtl_dispatch(struct request_queue *q)
bio_list_init(&bio_list_on_stack);
throtl_log(td, "dispatch nr_queued=%d read=%u write=%u",
throtl_log(td, "dispatch nr_queued=%u read=%u write=%u",
total_nr_queued(td), td->nr_queued[READ],
td->nr_queued[WRITE]);
@ -970,7 +970,7 @@ throtl_schedule_delayed_work(struct throtl_data *td, unsigned long delay)
struct delayed_work *dwork = &td->throtl_work;
/* schedule work if limits changed even if no bio is queued */
if (total_nr_queued(td) > 0 || td->limits_changed) {
if (total_nr_queued(td) || td->limits_changed) {
/*
* We might have a work scheduled to be executed in future.
* Cancel that and schedule a new one.