@@ -4757,7 +4757,7 @@ static int bfq_init_queue(struct request_queue *q, struct elevator_type *e)
* The invocation of the next bfq_create_group_hierarchy
* function is the head of a chain of function calls
* (bfq_create_group_hierarchy->blkcg_activate_policy->
- * blk_mq_freeze_queue) that may lead to the invocation of the
+ * blk_freeze_queue) that may lead to the invocation of the
* has_work hook function. For this reason,
* bfq_create_group_hierarchy is invoked only after all
* scheduler data has been initialized, apart from the fields
@@ -1296,7 +1296,7 @@ int blkcg_activate_policy(struct request_queue *q,
return 0;
if (q->mq_ops)
- blk_mq_freeze_queue(q);
+ blk_freeze_queue(q);
else
blk_queue_bypass_start(q);
pd_prealloc:
@@ -1363,7 +1363,7 @@ void blkcg_deactivate_policy(struct request_queue *q,
return;
if (q->mq_ops)
- blk_mq_freeze_queue(q);
+ blk_freeze_queue(q);
else
blk_queue_bypass_start(q);
@@ -161,16 +161,7 @@ void blk_freeze_queue(struct request_queue *q)
blk_freeze_queue_start(q);
blk_mq_freeze_queue_wait(q);
}
-
-void blk_mq_freeze_queue(struct request_queue *q)
-{
- /*
- * ...just an alias to keep freeze and unfreeze actions balanced
- * in the blk_mq_* namespace
- */
- blk_freeze_queue(q);
-}
-EXPORT_SYMBOL_GPL(blk_mq_freeze_queue);
+EXPORT_SYMBOL_GPL(blk_freeze_queue);
void blk_unfreeze_queue(struct request_queue *q)
{
@@ -2248,7 +2239,7 @@ static void blk_mq_update_tag_set_depth(struct blk_mq_tag_set *set,
lockdep_assert_held(&set->tag_list_lock);
list_for_each_entry(q, &set->tag_list, tag_set_list) {
- blk_mq_freeze_queue(q);
+ blk_freeze_queue(q);
queue_set_hctx_shared(q, shared);
blk_unfreeze_queue(q);
}
@@ -2683,7 +2674,7 @@ static int __blk_mq_update_nr_requests(struct request_queue *q,
if (!set)
return -EINVAL;
- blk_mq_freeze_queue(q);
+ blk_freeze_queue(q);
ret = 0;
queue_for_each_hw_ctx(q, hctx, i) {
@@ -2747,7 +2738,7 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set,
return;
list_for_each_entry(q, &set->tag_list, tag_set_list)
- blk_mq_freeze_queue(q);
+ blk_freeze_queue(q);
set->nr_hw_queues = nr_hw_queues;
blk_mq_update_queue_map(set);
@@ -30,7 +30,6 @@ struct blk_mq_ctx {
} ____cacheline_aligned_in_smp;
void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async);
-void blk_mq_freeze_queue(struct request_queue *q);
void blk_mq_free_queue(struct request_queue *q);
int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr);
void blk_mq_wake_waiters(struct request_queue *q);
@@ -967,7 +967,7 @@ static int elevator_switch_mq(struct request_queue *q,
{
int ret;
- blk_mq_freeze_queue(q);
+ blk_freeze_queue(q);
if (q->elevator) {
if (q->elevator->registered)
@@ -211,7 +211,7 @@ static void __loop_update_dio(struct loop_device *lo, bool dio)
* LO_FLAGS_READ_ONLY, both are set from kernel, and losetup
* will get updated by ioctl(LOOP_GET_STATUS)
*/
- blk_mq_freeze_queue(lo->lo_queue);
+ blk_freeze_queue(lo->lo_queue);
lo->use_dio = use_dio;
if (use_dio)
lo->lo_flags |= LO_FLAGS_DIRECT_IO;
@@ -599,7 +599,7 @@ static int loop_switch(struct loop_device *lo, struct file *file)
w.file = file;
/* freeze queue and wait for completion of scheduled requests */
- blk_mq_freeze_queue(lo->lo_queue);
+ blk_freeze_queue(lo->lo_queue);
/* do the switch action */
do_loop_switch(lo, &w);
@@ -1046,7 +1046,7 @@ static int loop_clr_fd(struct loop_device *lo)
return -EINVAL;
/* freeze request queue during the transition */
- blk_mq_freeze_queue(lo->lo_queue);
+ blk_freeze_queue(lo->lo_queue);
spin_lock_irq(&lo->lo_lock);
lo->lo_state = Lo_rundown;
@@ -1116,7 +1116,7 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
return -EINVAL;
/* I/O need to be drained during transfer transition */
- blk_mq_freeze_queue(lo->lo_queue);
+ blk_freeze_queue(lo->lo_queue);
err = loop_release_xfer(lo);
if (err)
@@ -6347,7 +6347,7 @@ static ssize_t do_rbd_remove(struct bus_type *bus,
* Prevent new IO from being queued and wait for existing
* IO to complete/fail.
*/
- blk_mq_freeze_queue(rbd_dev->disk->queue);
+ blk_freeze_queue(rbd_dev->disk->queue);
blk_set_queue_dying(rbd_dev->disk->queue);
}
@@ -1210,7 +1210,7 @@ static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id)
bs = 1 << ns->lba_shift;
ns->noiob = le16_to_cpu(id->noiob);
- blk_mq_freeze_queue(disk->queue);
+ blk_freeze_queue(disk->queue);
if (ctrl->ops->flags & NVME_F_METADATA_SUPPORTED)
nvme_prep_integrity(disk, id, bs);
@@ -256,7 +256,7 @@ void blk_mq_run_hw_queues(struct request_queue *q, bool async);
void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, 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_freeze_queue(struct request_queue *q);
+void blk_freeze_queue(struct request_queue *q);
void blk_unfreeze_queue(struct request_queue *q);
void blk_freeze_queue_start(struct request_queue *q);
void blk_mq_freeze_queue_wait(struct request_queue *q);
This APIs will be used by legacy path too. Signed-off-by: Ming Lei <ming.lei@redhat.com> --- block/bfq-iosched.c | 2 +- block/blk-cgroup.c | 4 ++-- block/blk-mq.c | 17 ++++------------- block/blk-mq.h | 1 - block/elevator.c | 2 +- drivers/block/loop.c | 8 ++++---- drivers/block/rbd.c | 2 +- drivers/nvme/host/core.c | 2 +- include/linux/blk-mq.h | 2 +- 9 files changed, 15 insertions(+), 25 deletions(-)