BIO_QUEUE_ENTERED is only used for cgroup accounting now, so rename
the flag and move setting it into the cgroup code.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
block/blk-merge.c | 10 ----------
include/linux/blk-cgroup.h | 10 ++++++----
include/linux/blk_types.h | 2 +-
3 files changed, 7 insertions(+), 15 deletions(-)
diff --git a/block/blk-merge.c b/block/blk-merge.c
index c49eb3bdd0be8..a04e991b5ded9 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -336,16 +336,6 @@ void __blk_queue_split(struct request_queue *q, struct bio **bio,
/* there isn't chance to merge the splitted bio */
split->bi_opf |= REQ_NOMERGE;
- /*
- * Since we're recursing into make_request here, ensure
- * that we mark this bio as already having entered the queue.
- * If not, and the queue is going away, we can get stuck
- * forever on waiting for the queue reference to drop. But
- * that will never happen, as we're already holding a
- * reference to it.
- */
- bio_set_flag(*bio, BIO_QUEUE_ENTERED);
-
bio_chain(split, *bio);
trace_block_split(q, split, (*bio)->bi_iter.bi_sector);
generic_make_request(*bio);
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index 35f8ffe92b702..4deb8bb7b6afa 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -607,12 +607,14 @@ static inline bool blkcg_bio_issue_check(struct request_queue *q,
u64_stats_update_begin(&bis->sync);
/*
- * If the bio is flagged with BIO_QUEUE_ENTERED it means this
- * is a split bio and we would have already accounted for the
- * size of the bio.
+ * If the bio is flagged with BIO_CGROUP_ACCT it means this is a
+ * split bio and we would have already accounted for the size of
+ * the bio.
*/
- if (!bio_flagged(bio, BIO_QUEUE_ENTERED))
+ if (!bio_flagged(bio, BIO_CGROUP_ACCT)) {
+ bio_set_flag(bio, BIO_CGROUP_ACCT);
bis->cur.bytes[rwd] += bio->bi_iter.bi_size;
+ }
bis->cur.ios[rwd]++;
u64_stats_update_end(&bis->sync);
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 31eb92876be7c..90895d594e647 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -220,7 +220,7 @@ enum {
* throttling rules. Don't do it again. */
BIO_TRACE_COMPLETION, /* bio_endio() should trace the final completion
* of this bio. */
- BIO_QUEUE_ENTERED, /* can use blk_queue_enter_live() */
+ BIO_CGROUP_ACCT, /* has been accounted to a cgroup */
BIO_TRACKED, /* set if bio goes through the rq_qos path */
BIO_FLAG_LAST
};
--
2.26.2
