blk-mq: split out tag initialization, support shared tags

[karo-tx-linux.git] / block / blk-mq-tag.c

diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index 83ae96c51a2762cf7386f096e348eace58525e37..7a799c46c32d0c358fc9f912b9e0b2f0ab0fb3ee 100644 (file)
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -1,25 +1,11 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/percpu_ida.h>
 
 #include <linux/blk-mq.h>
 #include "blk.h"
 #include "blk-mq.h"
 #include "blk-mq-tag.h"
 
-/*
- * Per tagged queue (tag address space) map
- */
-struct blk_mq_tags {
-       unsigned int nr_tags;
-       unsigned int nr_reserved_tags;
-       unsigned int nr_batch_move;
-       unsigned int nr_max_cache;
-
-       struct percpu_ida free_tags;
-       struct percpu_ida reserved_tags;
-};
-
 void blk_mq_wait_for_tags(struct blk_mq_tags *tags)
 {
        int tag = blk_mq_get_tag(tags, __GFP_WAIT, false);