[PATCH 10/16] block: move update_io_ticks to blk-core.c

2020-05-26 Thread Christoph Hellwig
All callers are in blk-core.c, so move update_io_ticks over.

Signed-off-by: Christoph Hellwig 
Reviewed-by: Konstantin Khlebnikov 
---
 block/bio.c  | 16 
 block/blk-core.c | 15 +++
 block/blk.h  |  1 -
 3 files changed, 15 insertions(+), 17 deletions(-)

diff --git a/block/bio.c b/block/bio.c
index 3e89c7b37855a..5235da6434aab 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1376,22 +1376,6 @@ void bio_check_pages_dirty(struct bio *bio)
schedule_work(_dirty_work);
 }
 
-void update_io_ticks(struct hd_struct *part, unsigned long now, bool end)
-{
-   unsigned long stamp;
-again:
-   stamp = READ_ONCE(part->stamp);
-   if (unlikely(stamp != now)) {
-   if (likely(cmpxchg(>stamp, stamp, now) == stamp)) {
-   __part_stat_add(part, io_ticks, end ? now - stamp : 1);
-   }
-   }
-   if (part->partno) {
-   part = _to_disk(part)->part0;
-   goto again;
-   }
-}
-
 static inline bool bio_remaining_done(struct bio *bio)
 {
/*
diff --git a/block/blk-core.c b/block/blk-core.c
index 8973104f88d90..c1675d43c2da0 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1381,6 +1381,21 @@ unsigned int blk_rq_err_bytes(const struct request *rq)
 }
 EXPORT_SYMBOL_GPL(blk_rq_err_bytes);
 
+static void update_io_ticks(struct hd_struct *part, unsigned long now, bool 
end)
+{
+   unsigned long stamp;
+again:
+   stamp = READ_ONCE(part->stamp);
+   if (unlikely(stamp != now)) {
+   if (likely(cmpxchg(>stamp, stamp, now) == stamp))
+   __part_stat_add(part, io_ticks, end ? now - stamp : 1);
+   }
+   if (part->partno) {
+   part = _to_disk(part)->part0;
+   goto again;
+   }
+}
+
 static void blk_account_io_completion(struct request *req, unsigned int bytes)
 {
if (req->part && blk_do_io_stat(req)) {
diff --git a/block/blk.h b/block/blk.h
index 5db4ec1e85f7b..bdf5e94467aa2 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -344,7 +344,6 @@ void blk_queue_free_zone_bitmaps(struct request_queue *q);
 static inline void blk_queue_free_zone_bitmaps(struct request_queue *q) {}
 #endif
 
-void update_io_ticks(struct hd_struct *part, unsigned long now, bool end);
 struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector);
 
 int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
-- 
2.26.2



[PATCH 10/16] block: move update_io_ticks to blk-core.c

2020-05-25 Thread Christoph Hellwig
All callers are in blk-core.c, so move update_io_ticks over.

Signed-off-by: Christoph Hellwig 
---
 block/bio.c  | 16 
 block/blk-core.c | 15 +++
 block/blk.h  |  1 -
 3 files changed, 15 insertions(+), 17 deletions(-)

diff --git a/block/bio.c b/block/bio.c
index 3e89c7b37855a..5235da6434aab 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1376,22 +1376,6 @@ void bio_check_pages_dirty(struct bio *bio)
schedule_work(_dirty_work);
 }
 
-void update_io_ticks(struct hd_struct *part, unsigned long now, bool end)
-{
-   unsigned long stamp;
-again:
-   stamp = READ_ONCE(part->stamp);
-   if (unlikely(stamp != now)) {
-   if (likely(cmpxchg(>stamp, stamp, now) == stamp)) {
-   __part_stat_add(part, io_ticks, end ? now - stamp : 1);
-   }
-   }
-   if (part->partno) {
-   part = _to_disk(part)->part0;
-   goto again;
-   }
-}
-
 static inline bool bio_remaining_done(struct bio *bio)
 {
/*
diff --git a/block/blk-core.c b/block/blk-core.c
index 8973104f88d90..c1675d43c2da0 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1381,6 +1381,21 @@ unsigned int blk_rq_err_bytes(const struct request *rq)
 }
 EXPORT_SYMBOL_GPL(blk_rq_err_bytes);
 
+static void update_io_ticks(struct hd_struct *part, unsigned long now, bool 
end)
+{
+   unsigned long stamp;
+again:
+   stamp = READ_ONCE(part->stamp);
+   if (unlikely(stamp != now)) {
+   if (likely(cmpxchg(>stamp, stamp, now) == stamp))
+   __part_stat_add(part, io_ticks, end ? now - stamp : 1);
+   }
+   if (part->partno) {
+   part = _to_disk(part)->part0;
+   goto again;
+   }
+}
+
 static void blk_account_io_completion(struct request *req, unsigned int bytes)
 {
if (req->part && blk_do_io_stat(req)) {
diff --git a/block/blk.h b/block/blk.h
index 5db4ec1e85f7b..bdf5e94467aa2 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -344,7 +344,6 @@ void blk_queue_free_zone_bitmaps(struct request_queue *q);
 static inline void blk_queue_free_zone_bitmaps(struct request_queue *q) {}
 #endif
 
-void update_io_ticks(struct hd_struct *part, unsigned long now, bool end);
 struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector);
 
 int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
-- 
2.26.2