block: use normal I/O path for discard requests

[thirdparty/linux.git] / block / blk-settings.c

diff --git a/block/blk-settings.c b/block/blk-settings.c
index eaf122ff5f16b67d2339acdd2186a4544795213a..d29498ef1eb559a39ff824347daef9a03762d324 100644 (file)
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -33,23 +33,6 @@ void blk_queue_prep_rq(struct request_queue *q, prep_rq_fn *pfn)
 }
 EXPORT_SYMBOL(blk_queue_prep_rq);
 
-/**
- * blk_queue_set_discard - set a discard_sectors function for queue
- * @q:         queue
- * @dfn:       prepare_discard function
- *
- * It's possible for a queue to register a discard callback which is used
- * to transform a discard request into the appropriate type for the
- * hardware. If none is registered, then discard requests are failed
- * with %EOPNOTSUPP.
- *
- */
-void blk_queue_set_discard(struct request_queue *q, prepare_discard_fn *dfn)
-{
-       q->prepare_discard_fn = dfn;
-}
-EXPORT_SYMBOL(blk_queue_set_discard);
-
 /**
  * blk_queue_merge_bvec - set a merge_bvec function for queue
  * @q:         queue