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-rw-r--r--block/blk-merge.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c
index a11b3b53717e..eeba8422ae82 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -348,6 +348,8 @@ void __blk_queue_split(struct bio **bio, unsigned int *nr_segs)
trace_block_split(split, (*bio)->bi_iter.bi_sector);
submit_bio_noacct(*bio);
*bio = split;
+
+ blk_throtl_charge_bio_split(*bio);
}
}
@@ -705,22 +707,6 @@ static void blk_account_io_merge_request(struct request *req)
}
}
-/*
- * Two cases of handling DISCARD merge:
- * If max_discard_segments > 1, the driver takes every bio
- * as a range and send them to controller together. The ranges
- * needn't to be contiguous.
- * Otherwise, the bios/requests will be handled as same as
- * others which should be contiguous.
- */
-static inline bool blk_discard_mergable(struct request *req)
-{
- if (req_op(req) == REQ_OP_DISCARD &&
- queue_max_discard_segments(req->q) > 1)
- return true;
- return false;
-}
-
static enum elv_merge blk_try_req_merge(struct request *req,
struct request *next)
{