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-rw-r--r--include/linux/blk-mq.h18
-rw-r--r--include/linux/blkdev.h3
2 files changed, 16 insertions, 5 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index a0a9007cc1e3..9ebb53f031cd 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -900,8 +900,22 @@ void blk_mq_delay_run_hw_queues(struct request_queue *q, unsigned long msecs);
void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset,
busy_tag_iter_fn *fn, void *priv);
void blk_mq_tagset_wait_completed_request(struct blk_mq_tag_set *tagset);
-void blk_mq_freeze_queue(struct request_queue *q);
-void blk_mq_unfreeze_queue(struct request_queue *q);
+void blk_mq_freeze_queue_nomemsave(struct request_queue *q);
+void blk_mq_unfreeze_queue_nomemrestore(struct request_queue *q);
+static inline unsigned int __must_check
+blk_mq_freeze_queue(struct request_queue *q)
+{
+ unsigned int memflags = memalloc_noio_save();
+
+ blk_mq_freeze_queue_nomemsave(q);
+ return memflags;
+}
+static inline void
+blk_mq_unfreeze_queue(struct request_queue *q, unsigned int memflags)
+{
+ blk_mq_unfreeze_queue_nomemrestore(q);
+ memalloc_noio_restore(memflags);
+}
void blk_freeze_queue_start(struct request_queue *q);
void blk_mq_freeze_queue_wait(struct request_queue *q);
int blk_mq_freeze_queue_wait_timeout(struct request_queue *q,
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 76f0a4e7c2e5..248416ecd01c 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -561,7 +561,6 @@ struct request_queue {
struct list_head flush_list;
struct mutex sysfs_lock;
- struct mutex sysfs_dir_lock;
struct mutex limits_lock;
/*
@@ -605,8 +604,6 @@ struct request_queue {
* Serializes all debugfs metadata operations using the above dentries.
*/
struct mutex debugfs_mutex;
-
- bool mq_sysfs_init_done;
};
/* Keep blk_queue_flag_name[] in sync with the definitions below */