Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
---
drivers/mmc/card/block.c | 62 ++++++++++++--------------
drivers/mmc/card/queue.c | 113 +++++++++++++++--------------------------------
drivers/mmc/card/queue.h | 5 +--
drivers/mmc/core/bus.c | 2 -
drivers/mmc/core/core.c | 110 +++++++++------------------------------------
drivers/mmc/core/core.h | 2 -
include/linux/mmc/card.h | 1 -
include/linux/mmc/host.h | 15 -------
8 files changed, 85 insertions(+), 225 deletions(-)
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index ce56930..1d4a09f 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1192,7 +1192,7 @@ int mmc_access_rpmb(struct mmc_queue *mq)
return false;
}
-static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
+static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req, struct mmc_queue_req *mqrq)
{
struct mmc_blk_data *md = mq->data;
struct mmc_card *card = md->queue.card;
@@ -1230,13 +1230,14 @@ out:
goto retry;
if (!err)
mmc_blk_reset_success(md, type);
+ mmc_queue_req_free(mq, mqrq);
blk_end_request(req, err, blk_rq_bytes(req));
return err ? 0 : 1;
}
static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
- struct request *req)
+ struct request *req, struct mmc_queue_req *mqrq)
{
struct mmc_blk_data *md = mq->data;
struct mmc_card *card = md->queue.card;
@@ -1297,12 +1298,13 @@ out_retry:
if (!err)
mmc_blk_reset_success(md, type);
out:
+ mmc_queue_req_free(mq, mqrq);
blk_end_request(req, err, blk_rq_bytes(req));
return err ? 0 : 1;
}
-static int mmc_blk_issue_flush(struct mmc_queue *mq, struct request *req)
+static int mmc_blk_issue_flush(struct mmc_queue *mq, struct request *req, struct mmc_queue_req *mqrq)
{
struct mmc_blk_data *md = mq->data;
struct mmc_card *card = md->queue.card;
@@ -1312,6 +1314,7 @@ static int mmc_blk_issue_flush(struct mmc_queue *mq, struct request *req)
if (ret)
ret = -EIO;
+ mmc_queue_req_free(mq, mqrq);
blk_end_request_all(req, ret);
return ret ? 0 : 1;
@@ -1918,6 +1921,7 @@ static int mmc_blk_end_packed_req(struct mmc_queue_req *mq_rq)
int idx = packed->idx_failure, i = 0;
int ret = 0;
+ BUG();
BUG_ON(!packed);
while (!list_empty(&packed->list)) {
@@ -1981,7 +1985,7 @@ static void mmc_blk_revert_packed_req(struct mmc_queue *mq,
mmc_blk_clear_packed(mq_rq);
}
-static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
+static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct mmc_queue_req *mqrq)
{
struct mmc_blk_data *md = mq->data;
struct mmc_card *card = md->queue.card;
@@ -1990,20 +1994,14 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
enum mmc_blk_status status;
struct mmc_queue_req *mqrq_cur = NULL;
struct mmc_queue_req *mq_rq;
- struct request *req;
+ struct request *rqc = NULL, *req;
struct mmc_async_req *areq;
const u8 packed_nr = 2;
u8 reqs = 0;
pr_info("%s: enter\n", __func__);
- if (rqc) {
- mqrq_cur = mmc_queue_req_find(mq, rqc);
- if (!mqrq_cur) {
- WARN_ON(1);
- mmc_blk_requeue(mq->queue, rqc);
- rqc = NULL;
- }
- }
+ mqrq_cur = mqrq;
+ rqc = mqrq_cur->req;
if (!mq->qcnt) {
pr_info("%s: exit (0) (!mq->qcnt)\n", __func__);
@@ -2059,10 +2057,14 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
if (mmc_packed_cmd(mq_rq->cmd_type)) {
ret = mmc_blk_end_packed_req(mq_rq);
+ mmc_queue_req_free(mq, mq_rq); //
+ pr_info("%s: freeing mqrq (packed)\n", __func__); //
break;
} else {
- ret = blk_end_request(req, 0,
- brq->data.bytes_xfered);
+ int bytes = brq->data.bytes_xfered;
+ mmc_queue_req_free(mq, mq_rq); //
+ pr_info("%s: freeing mqrq\n", __func__); //
+ ret = blk_end_request(req, 0, bytes);
}
/*
@@ -2153,9 +2155,7 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
}
} while (ret);
- mmc_queue_req_free(mq, mq_rq);
-
- pr_info("%s: exit (1)\n", __func__);
+ pr_info("%s: exit (1==ok)\n", __func__);
return 1;
cmd_abort:
@@ -2194,7 +2194,7 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
return 0;
}
-static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
+static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req, struct mmc_queue_req *mqrq)
{
int ret;
struct mmc_blk_data *md = mq->data;
@@ -2203,9 +2203,10 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
pr_info("%s: enter\n", __func__);
- if (req && !mq->qcnt)
- /* claim host only for the first request */
- mmc_get_card(card);
+ BUG_ON(!req);
+
+ /* claim host only for the first request */
+ mmc_get_card(card);
pr_info("%s: mmc_blk_part_switch\n", __func__);
ret = mmc_blk_part_switch(card, md);
@@ -2219,28 +2220,21 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
if (cmd_flags & REQ_DISCARD) {
pr_info("%s: DISCARD rq\n", __func__);
- /* complete ongoing async transfer before issuing discard */
- if (mq->qcnt)
- mmc_blk_issue_rw_rq(mq, NULL);
if (req->cmd_flags & REQ_SECURE)
- ret = mmc_blk_issue_secdiscard_rq(mq, req);
+ ret = mmc_blk_issue_secdiscard_rq(mq, req, mqrq);
else
- ret = mmc_blk_issue_discard_rq(mq, req);
+ ret = mmc_blk_issue_discard_rq(mq, req, mqrq);
} else if (cmd_flags & REQ_FLUSH) {
pr_info("%s: FLUSH rq\n", __func__);
- /* complete ongoing async transfer before issuing flush */
- if (mq->qcnt)
- mmc_blk_issue_rw_rq(mq, NULL);
- ret = mmc_blk_issue_flush(mq, req);
+ ret = mmc_blk_issue_flush(mq, req, mqrq);
} else {
pr_info("%s: RW rq\n", __func__);
- ret = mmc_blk_issue_rw_rq(mq, req);
+ ret = mmc_blk_issue_rw_rq(mq, mqrq);
}
out:
/* Release host when there are no more requests */
- if (!mq->qcnt)
- mmc_put_card(card);
+ mmc_put_card(card);
pr_info("%s: exit\n", __func__);
return ret;
}
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 5a016ce..e9c9bbf 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -52,15 +52,22 @@ struct mmc_queue_req *mmc_queue_req_find(struct mmc_queue *mq,
struct mmc_queue_req *mqrq;
int i = ffz(mq->qslots);
+ pr_info("%s: enter (%d)\n", __func__, i);
+
+ WARN_ON(i >= mq->qdepth);
if (i >= mq->qdepth)
return NULL;
+//// spin_lock_irq(req->q->queue_lock);
mqrq = &mq->mqrq[i];
WARN_ON(mqrq->req || mq->qcnt >= mq->qdepth ||
test_bit(mqrq->task_id, &mq->qslots));
mqrq->req = req;
mq->qcnt += 1;
__set_bit(mqrq->task_id, &mq->qslots);
+//// spin_unlock_irq(req->q->queue_lock);
+
+ pr_info("%s: exit\n", __func__);
return mqrq;
}
@@ -68,60 +75,17 @@ struct mmc_queue_req *mmc_queue_req_find(struct mmc_queue *mq,
void mmc_queue_req_free(struct mmc_queue *mq,
struct mmc_queue_req *mqrq)
{
+ struct request *req;
+ pr_info("%s: enter\n", __func__);
+ req = mqrq->req;
+ spin_lock_irq(req->q->queue_lock);
WARN_ON(!mqrq->req || mq->qcnt < 1 ||
!test_bit(mqrq->task_id, &mq->qslots));
mqrq->req = NULL;
mq->qcnt -= 1;
__clear_bit(mqrq->task_id, &mq->qslots);
-}
-
-static int mmc_queue_thread(void *d)
-{
- struct mmc_queue *mq = d;
- struct request_queue *q = mq->queue;
- struct mmc_context_info *cntx = &mq->card->host->context_info;
-
- current->flags |= PF_MEMALLOC;
-
- down(&mq->thread_sem);
- do {
- struct request *req;
-
- spin_lock_irq(q->queue_lock);
- set_current_state(TASK_INTERRUPTIBLE);
- req = blk_fetch_request(q);
- mq->asleep = false;
- cntx->is_waiting_last_req = false;
- cntx->is_new_req = false;
- if (!req) {
- /*
- * Dispatch queue is empty so set flags for
- * mmc_request_fn() to wake us up.
- */
- if (mq->qcnt)
- cntx->is_waiting_last_req = true;
- else
- mq->asleep = true;
- }
- spin_unlock_irq(q->queue_lock);
-
- if (req || mq->qcnt) {
- set_current_state(TASK_RUNNING);
- mq->issue_fn(mq, req);
- cond_resched();
- } else {
- if (kthread_should_stop()) {
- set_current_state(TASK_RUNNING);
- break;
- }
- up(&mq->thread_sem);
- schedule();
- down(&mq->thread_sem);
- }
- } while (1);
- up(&mq->thread_sem);
-
- return 0;
+ spin_unlock_irq(req->q->queue_lock);
+ pr_info("%s: exit\n", __func__);
}
/*
@@ -134,7 +98,7 @@ static void mmc_request_fn(struct request_queue *q)
{
struct mmc_queue *mq = q->queuedata;
struct request *req;
- struct mmc_context_info *cntx;
+ struct mmc_queue_req *mqrq_cur = NULL;
if (!mq) {
while ((req = blk_fetch_request(q)) != NULL) {
@@ -143,16 +107,28 @@ static void mmc_request_fn(struct request_queue *q)
}
return;
}
-
- cntx = &mq->card->host->context_info;
-
- if (cntx->is_waiting_last_req) {
- cntx->is_new_req = true;
- wake_up_interruptible(&cntx->wait);
+repeat:
+ req = blk_fetch_request(q);
+ if (req && req->cmd_type == REQ_TYPE_FS) {
+ mqrq_cur = mmc_queue_req_find(mq, req);
+ if (!mqrq_cur) {
+ pr_info("%s: command already queued (%d)\n", __func__, mq->qcnt);
+// WARN_ON(1);
+// spin_unlock_irq(q->queue_lock);
+ blk_requeue_request(mq->queue, req);
+// spin_lock_irq(q->queue_lock);
+ req = NULL;
+ }
}
-
- if (mq->asleep)
- wake_up_process(mq->thread);
+ if (!req) {
+ pr_info("%s: no request\n", __func__);
+ return;
+ }
+ spin_unlock_irq(q->queue_lock);
+ mq->issue_fn(mq, req, mqrq_cur);
+ spin_lock_irq(q->queue_lock);
+ goto repeat;
+//#endif
}
static struct scatterlist *mmc_alloc_sg(int sg_len, int *err)
@@ -305,7 +281,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card,
if (!mq->queue)
return -ENOMEM;
- mq->qdepth = 2;
+ mq->qdepth = 1;
mq->mqrq = mmc_queue_alloc_mqrqs(mq, mq->qdepth);
if (!mq->mqrq)
goto blk_cleanup;
@@ -357,16 +333,6 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card,
goto cleanup_queue;
}
- sema_init(&mq->thread_sem, 1);
-
- mq->thread = kthread_run(mmc_queue_thread, mq, "mmcqd/%d%s",
- host->index, subname ? subname : "");
-
- if (IS_ERR(mq->thread)) {
- ret = PTR_ERR(mq->thread);
- goto cleanup_queue;
- }
-
return 0;
cleanup_queue:
@@ -386,9 +352,6 @@ void mmc_cleanup_queue(struct mmc_queue *mq)
/* Make sure the queue isn't suspended, as that will deadlock */
mmc_queue_resume(mq);
- /* Then terminate our worker thread */
- kthread_stop(mq->thread);
-
/* Empty the queue */
spin_lock_irqsave(q->queue_lock, flags);
q->queuedata = NULL;
@@ -468,8 +431,6 @@ void mmc_queue_suspend(struct mmc_queue *mq)
spin_lock_irqsave(q->queue_lock, flags);
blk_stop_queue(q);
spin_unlock_irqrestore(q->queue_lock, flags);
-
- down(&mq->thread_sem);
}
}
@@ -485,8 +446,6 @@ void mmc_queue_resume(struct mmc_queue *mq)
if (mq->flags & MMC_QUEUE_SUSPENDED) {
mq->flags &= ~MMC_QUEUE_SUSPENDED;
- up(&mq->thread_sem);
-
spin_lock_irqsave(q->queue_lock, flags);
blk_start_queue(q);
spin_unlock_irqrestore(q->queue_lock, flags);
diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h
index 1afd5da..c52fa88 100644
--- a/drivers/mmc/card/queue.h
+++ b/drivers/mmc/card/queue.h
@@ -47,13 +47,10 @@ struct mmc_queue_req {
struct mmc_queue {
struct mmc_card *card;
- struct task_struct *thread;
- struct semaphore thread_sem;
unsigned int flags;
#define MMC_QUEUE_SUSPENDED (1 << 0)
- bool asleep;
- int (*issue_fn)(struct mmc_queue *, struct request *);
+ int (*issue_fn)(struct mmc_queue *, struct request *, struct mmc_queue_req *mqrq);
void *data;
struct request_queue *queue;
struct mmc_queue_req *mqrq;
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index c64266f..949e569 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -346,8 +346,6 @@ int mmc_add_card(struct mmc_card *card)
#ifdef CONFIG_DEBUG_FS
mmc_add_card_debugfs(card);
#endif
- mmc_init_context_info(card->host);
-
card->dev.of_node = mmc_of_find_child_device(card->host, 0);
device_enable_async_suspend(&card->dev);
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index d2d8d9b..7496c22 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -29,6 +29,7 @@
#include <linux/random.h>
#include <linux/slab.h>
#include <linux/of.h>
+#include <linux/kernel.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
@@ -44,6 +45,7 @@
#include "host.h"
#include "sdio_bus.h"
#include "pwrseq.h"
+#include "../card/queue.h"
#include "mmc_ops.h"
#include "sd_ops.h"
@@ -407,19 +409,11 @@ out:
EXPORT_SYMBOL(mmc_start_bkops);
/*
- * mmc_wait_data_done() - done callback for data request
- * @mrq: done data request
+ * mmc_wait_done() - done callback for request
+ * @mrq: done request
*
* Wakes up mmc context, passed as a callback to host controller driver
*/
-static void mmc_wait_data_done(struct mmc_request *mrq)
-{
- struct mmc_context_info *context_info = &mrq->host->context_info;
-
- context_info->is_done_rcv = true;
- wake_up_interruptible(&context_info->wait);
-}
-
static void mmc_wait_done(struct mmc_request *mrq)
{
complete(&mrq->completion);
@@ -438,36 +432,15 @@ static inline void mmc_wait_ongoing_tfr_cmd(struct mmc_host *host)
}
/*
- *__mmc_start_data_req() - starts data request
+ *__mmc_start_req() - starts request
* @host: MMC host to start the request
- * @mrq: data request to start
+ * @mrq: request to start
*
* Sets the done callback to be called when request is completed by the card.
- * Starts data mmc request execution
+ * Starts mmc request execution
* If an ongoing transfer is already in progress, wait for the command line
* to become available before sending another command.
*/
-static int __mmc_start_data_req(struct mmc_host *host, struct mmc_request *mrq)
-{
- int err;
-
- mmc_wait_ongoing_tfr_cmd(host);
-
- mrq->done = mmc_wait_data_done;
- mrq->host = host;
-
- init_completion(&mrq->cmd_completion);
-
- err = mmc_start_request(host, mrq);
- if (err) {
- mrq->cmd->error = err;
- mmc_complete_cmd(mrq);
- mmc_wait_data_done(mrq);
- }
-
- return err;
-}
-
static int __mmc_start_req(struct mmc_host *host, struct mmc_request *mrq)
{
int err;
@@ -478,6 +451,7 @@ static int __mmc_start_req(struct mmc_host *host, struct mmc_request *mrq)
init_completion(&mrq->completion);
mrq->done = mmc_wait_done;
+ mrq->host = host;
init_completion(&mrq->cmd_completion);
@@ -485,7 +459,7 @@ static int __mmc_start_req(struct mmc_host *host, struct mmc_request *mrq)
if (err) {
mrq->cmd->error = err;
mmc_complete_cmd(mrq);
- complete(&mrq->completion);
+ mmc_wait_done(mrq);
}
pr_info("%s: exit\n", __func__);
@@ -508,21 +482,17 @@ static int mmc_wait_for_data_req_done(struct mmc_host *host,
struct mmc_request *mrq,
struct mmc_async_req *next_req)
{
+ struct mmc_queue_req *mq_mrq = container_of(next_req, struct mmc_queue_req,
+ mmc_active);
struct mmc_command *cmd;
- struct mmc_context_info *context_info = &host->context_info;
int err;
pr_info("%s: enter\n", __func__);
while (1) {
- wait_event_interruptible(context_info->wait,
-// context_info->is_done_rcv);
- (context_info->is_done_rcv ||
- context_info->is_new_req));
+ wait_for_completion(&mrq->completion);
pr_info("%s: waiting done\n", __func__);
- context_info->is_waiting_last_req = false;
- if (context_info->is_done_rcv) {
- context_info->is_done_rcv = false;
+ if (1) {
cmd = mrq->cmd;
if (!cmd->error || !cmd->retries ||
@@ -540,11 +510,6 @@ static int mmc_wait_for_data_req_done(struct mmc_host *host,
__mmc_start_request(host, mrq);
continue; /* wait for done/new event again */
}
- } else if (context_info->is_new_req) {
- if (!next_req) {
- pr_info("%s: exit (!next_req)\n", __func__);
- return MMC_BLK_NEW_REQUEST;
- }
}
}
mmc_retune_release(host);
@@ -614,10 +579,7 @@ EXPORT_SYMBOL(mmc_wait_for_req_done);
*/
bool mmc_is_req_done(struct mmc_host *host, struct mmc_request *mrq)
{
- if (host->areq)
- return host->context_info.is_done_rcv;
- else
- return completion_done(&mrq->completion);
+ return completion_done(&mrq->completion);
}
EXPORT_SYMBOL(mmc_is_req_done);
@@ -688,18 +650,12 @@ struct mmc_async_req *mmc_start_req(struct mmc_host *host,
mmc_pre_req(host, areq->mrq, !host->areq);
}
+ if (areq) //
+ start_err = __mmc_start_req(host, areq->mrq); //
+
+ host->areq = areq; //
if (host->areq) {
err = mmc_wait_for_data_req_done(host, host->areq->mrq, areq);
- if (err == MMC_BLK_NEW_REQUEST) {
- if (error)
- *error = err;
- /*
- * The previous request was not completed,
- * nothing to return
- */
- pr_info("%s: exit (NULL)\n", __func__);
- return NULL;
- }
/*
* Check BKOPS urgency for each R1 response
*/
@@ -720,24 +676,14 @@ struct mmc_async_req *mmc_start_req(struct mmc_host *host,
}
}
- if (!err && areq)
- start_err = __mmc_start_data_req(host, areq->mrq);
-
if (host->areq) {
host->areq->pre_req_done = false;
mmc_post_req(host, host->areq->mrq, 0);
}
- /* Cancel a prepared request if it was not started. */
- if ((err || start_err) && areq) {
- areq->pre_req_done = false;
- mmc_post_req(host, areq->mrq, -EINVAL);
- }
- if (err)
- host->areq = NULL;
- else
- host->areq = areq;
+ data = host->areq; //
+ host->areq = NULL; //
if (error)
*error = err;
@@ -2960,22 +2906,6 @@ void mmc_unregister_pm_notifier(struct mmc_host *host)
}
#endif
-/**
- * mmc_init_context_info() - init synchronization context
- * @host: mmc host
- *
- * Init struct context_info needed to implement asynchronous
- * request mechanism, used by mmc core, host driver and mmc requests
- * supplier.
- */
-void mmc_init_context_info(struct mmc_host *host)
-{
- host->context_info.is_new_req = false;
- host->context_info.is_done_rcv = false;
- host->context_info.is_waiting_last_req = false;
- init_waitqueue_head(&host->context_info.wait);
-}
-
static int __init mmc_init(void)
{
int ret;
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index 0fa86a2..34e664b 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -84,8 +84,6 @@ void mmc_remove_host_debugfs(struct mmc_host *host);
void mmc_add_card_debugfs(struct mmc_card *card);
void mmc_remove_card_debugfs(struct mmc_card *card);
-void mmc_init_context_info(struct mmc_host *host);
-
int mmc_execute_tuning(struct mmc_card *card);
int mmc_hs200_to_hs400(struct mmc_card *card);
int mmc_hs400_to_hs200(struct mmc_card *card);
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 3d7434e..810f318 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -219,7 +219,6 @@ enum mmc_blk_status {
MMC_BLK_DATA_ERR,
MMC_BLK_ECC_ERR,
MMC_BLK_NOMEDIUM,
- MMC_BLK_NEW_REQUEST,
};
/* The number of MMC physical partitions. These consist of:
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 9fb00b7..1a46cbd 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -193,20 +193,6 @@ struct mmc_slot {
void *handler_priv;
};
-/**
- * mmc_context_info - synchronization details for mmc context
- * @is_done_rcv wake up reason was done request
- * @is_new_req wake up reason was new request
- * @is_waiting_last_req mmc context waiting for single running request
- * @wait wait queue
- */
-struct mmc_context_info {
- bool is_done_rcv;
- bool is_new_req;
- bool is_waiting_last_req;
- wait_queue_head_t wait;
-};
-
struct regulator;
struct mmc_pwrseq;
@@ -380,7 +366,6 @@ struct mmc_host {
struct dentry *debugfs_root;
struct mmc_async_req *areq; /* active async req */
- struct mmc_context_info context_info; /* async synchronization info */
/* Ongoing data transfer that allows commands during transfer */
struct mmc_request *ongoing_mrq;
--
1.9.1
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