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authorJens Axboe <axboe@kernel.dk>2017-07-01 06:55:08 +0300
committerJens Axboe <axboe@kernel.dk>2017-08-09 22:09:16 +0300
commitd62e26b3ffd28f16ddae85a1babd0303a1a6dfb6 (patch)
tree622dd61c60712f31575b2cdde0811529b829ba8a /include
parent7f5562d5ecc44c757599b201df928ba52fa05047 (diff)
downloadlinux-d62e26b3ffd28f16ddae85a1babd0303a1a6dfb6.tar.xz
block: pass in queue to inflight accounting
No functional change in this patch, just in preparation for basing the inflight mechanism on the queue in question. Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include')
-rw-r--r--include/linux/bio.h9
-rw-r--r--include/linux/genhd.h14
2 files changed, 14 insertions, 9 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 7b1cf4ba0902..9276788a9b24 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -463,10 +463,11 @@ extern struct bio *bio_copy_kern(struct request_queue *, void *, unsigned int,
extern void bio_set_pages_dirty(struct bio *bio);
extern void bio_check_pages_dirty(struct bio *bio);
-void generic_start_io_acct(int rw, unsigned long sectors,
- struct hd_struct *part);
-void generic_end_io_acct(int rw, struct hd_struct *part,
- unsigned long start_time);
+void generic_start_io_acct(struct request_queue *q, int rw,
+ unsigned long sectors, struct hd_struct *part);
+void generic_end_io_acct(struct request_queue *q, int rw,
+ struct hd_struct *part,
+ unsigned long start_time);
#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
# error "You should define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE for your platform"
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index e619fae2f037..7f7427e00f9c 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -362,23 +362,27 @@ static inline void free_part_stats(struct hd_struct *part)
#define part_stat_sub(cpu, gendiskp, field, subnd) \
part_stat_add(cpu, gendiskp, field, -subnd)
-static inline void part_inc_in_flight(struct hd_struct *part, int rw)
+static inline void part_inc_in_flight(struct request_queue *q,
+ struct hd_struct *part, int rw)
{
atomic_inc(&part->in_flight[rw]);
if (part->partno)
atomic_inc(&part_to_disk(part)->part0.in_flight[rw]);
}
-static inline void part_dec_in_flight(struct hd_struct *part, int rw)
+static inline void part_dec_in_flight(struct request_queue *q,
+ struct hd_struct *part, int rw)
{
atomic_dec(&part->in_flight[rw]);
if (part->partno)
atomic_dec(&part_to_disk(part)->part0.in_flight[rw]);
}
-static inline int part_in_flight(struct hd_struct *part)
+static inline int part_in_flight(struct request_queue *q,
+ struct hd_struct *part)
{
- return atomic_read(&part->in_flight[0]) + atomic_read(&part->in_flight[1]);
+ return atomic_read(&part->in_flight[0]) +
+ atomic_read(&part->in_flight[1]);
}
static inline struct partition_meta_info *alloc_part_info(struct gendisk *disk)
@@ -395,7 +399,7 @@ static inline void free_part_info(struct hd_struct *part)
}
/* block/blk-core.c */
-extern void part_round_stats(int cpu, struct hd_struct *part);
+extern void part_round_stats(struct request_queue *q, int cpu, struct hd_struct *part);
/* block/genhd.c */
extern void device_add_disk(struct device *parent, struct gendisk *disk);