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block: return just one value from part_in_flight

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The previous patches deleted all the code that needed the second value
returned from part_in_flight - now the kernel only uses the first value.

Consequently, part_in_flight (and blk_mq_in_flight) may be changed so that
it only returns one value.

This patch just refactors the code, there's no functional change.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Mikulas Patocka
2018-12-06 11:41:21 -05:00
committed by Jens Axboe
parent 1226b8dd0e
commit e016b78201
5 changed files with 22 additions and 36 deletions
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3
include/linux/genhd.h
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@@ -391,8 +391,7 @@ static inline void free_part_stats(struct hd_struct *part)
#define part_stat_local_read_cpu(gendiskp, field, cpu) \
local_read(&(part_stat_get_cpu(gendiskp, field, cpu)))
void part_in_flight(struct request_queue *q, struct hd_struct *part,
unsigned int inflight[2]);
unsigned int part_in_flight(struct request_queue *q, struct hd_struct *part);
void part_in_flight_rw(struct request_queue *q, struct hd_struct *part,
unsigned int inflight[2]);
void part_dec_in_flight(struct request_queue *q, struct hd_struct *part,