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authorSong Liu <songliubraving@fb.com>2020-09-01 01:27:25 +0300
committerJens Axboe <axboe@kernel.dk>2020-09-12 01:41:30 +0300
commit0806e60f31ec10822cd230d12603169d1bb7840e (patch)
treeee86e4839fcb81c88ffc48a468462cb3a2a99c68
parent00fe60eae94efa5629bb6caf3839045cb22017e0 (diff)
downloadlinux-0806e60f31ec10822cd230d12603169d1bb7840e.tar.xz
bcache: use part_[begin|end]_io_acct instead of disk_[begin|end]_io_acct
This enables proper statistics in /proc/diskstats for bcache partitions. Signed-off-by: Song Liu <songliubraving@fb.com> Reviewed-by: Coly Li <colyli@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--drivers/md/bcache/request.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index c7cadaafa947..7f54ae223644 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -475,6 +475,7 @@ struct search {
unsigned int read_dirty_data:1;
unsigned int cache_missed:1;
+ struct hd_struct *part;
unsigned long start_time;
struct btree_op op;
@@ -669,7 +670,7 @@ static void bio_complete(struct search *s)
{
if (s->orig_bio) {
/* Count on bcache device */
- disk_end_io_acct(s->d->disk, bio_op(s->orig_bio), s->start_time);
+ part_end_io_acct(s->part, s->orig_bio, s->start_time);
trace_bcache_request_end(s->d, s->orig_bio);
s->orig_bio->bi_status = s->iop.status;
@@ -731,7 +732,7 @@ static inline struct search *search_alloc(struct bio *bio,
s->write = op_is_write(bio_op(bio));
s->read_dirty_data = 0;
/* Count on the bcache device */
- s->start_time = disk_start_io_acct(d->disk, bio_sectors(bio), bio_op(bio));
+ s->start_time = part_start_io_acct(d->disk, &s->part, bio);
s->iop.c = d->c;
s->iop.bio = NULL;
s->iop.inode = d->id;
@@ -1072,6 +1073,7 @@ struct detached_dev_io_private {
unsigned long start_time;
bio_end_io_t *bi_end_io;
void *bi_private;
+ struct hd_struct *part;
};
static void detached_dev_end_io(struct bio *bio)
@@ -1083,7 +1085,7 @@ static void detached_dev_end_io(struct bio *bio)
bio->bi_private = ddip->bi_private;
/* Count on the bcache device */
- disk_end_io_acct(ddip->d->disk, bio_op(bio), ddip->start_time);
+ part_end_io_acct(ddip->part, bio, ddip->start_time);
if (bio->bi_status) {
struct cached_dev *dc = container_of(ddip->d,
@@ -1109,7 +1111,7 @@ static void detached_dev_do_request(struct bcache_device *d, struct bio *bio)
ddip = kzalloc(sizeof(struct detached_dev_io_private), GFP_NOIO);
ddip->d = d;
/* Count on the bcache device */
- ddip->start_time = disk_start_io_acct(d->disk, bio_sectors(bio), bio_op(bio));
+ ddip->start_time = part_start_io_acct(d->disk, &ddip->part, bio);
ddip->bi_end_io = bio->bi_end_io;
ddip->bi_private = bio->bi_private;
bio->bi_end_io = detached_dev_end_io;