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authorDamien Le Moal2019-07-11 00:56:08 +0900
committerJens Axboe2019-07-10 14:18:01 -0600
commit36847a005489cfb74dc6388952da73346f867dca (patch)
tree28e78632fbf0820f23f869f6b62805ef7002f4b1
parent3a10f999ffd464d01c5a05592a15470a3c4bbc36 (diff)
block: Remove unused definitions
The ELV_MQUEUE_XXX definitions in include/linux/elevator.h are unused since the removal of elevator_may_queue_fn in kernel 5.0. Remove these definitions and also remove the documentation of elevator_may_queue_fn in Documentiation/block/biodoc.txt. Acked-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--Documentation/block/biodoc.txt5
-rw-r--r--include/linux/elevator.h9
2 files changed, 0 insertions, 14 deletions
diff --git a/Documentation/block/biodoc.txt b/Documentation/block/biodoc.txt
index 31c177663ed5..5a4a799fe61b 100644
--- a/Documentation/block/biodoc.txt
+++ b/Documentation/block/biodoc.txt
@@ -843,11 +843,6 @@ elevator_latter_req_fn These return the request before or after the
elevator_completed_req_fn called when a request is completed.
-elevator_may_queue_fn returns true if the scheduler wants to allow the
- current context to queue a new request even if
- it is over the queue limit. This must be used
- very carefully!!
-
elevator_set_req_fn
elevator_put_req_fn Must be used to allocate and free any elevator
specific storage for a request.
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 169bb2e02516..38590c30a11d 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -160,15 +160,6 @@ extern struct request *elv_rb_find(struct rb_root *, sector_t);
#define ELEVATOR_INSERT_FLUSH 5
#define ELEVATOR_INSERT_SORT_MERGE 6
-/*
- * return values from elevator_may_queue_fn
- */
-enum {
- ELV_MQUEUE_MAY,
- ELV_MQUEUE_NO,
- ELV_MQUEUE_MUST,
-};
-
#define rq_end_sector(rq) (blk_rq_pos(rq) + blk_rq_sectors(rq))
#define rb_entry_rq(node) rb_entry((node), struct request, rb_node)