From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/md/dm-era-target.c | 26 +++++++++-----------------
1 files changed, 9 insertions(+), 17 deletions(-)
diff --git a/kernel/drivers/md/dm-era-target.c b/kernel/drivers/md/dm-era-target.c
index c596fc5..96bad05 100644
--- a/kernel/drivers/md/dm-era-target.c
+++ b/kernel/drivers/md/dm-era-target.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include "dm.h"
#include "persistent-data/dm-transaction-manager.h"
#include "persistent-data/dm-bitset.h"
@@ -1151,7 +1152,6 @@
struct era {
struct dm_target *ti;
- struct dm_target_callbacks callbacks;
struct dm_dev *metadata_dev;
struct dm_dev *origin_dev;
@@ -1289,7 +1289,7 @@
*/
if (commit_needed)
set_bit(get_block(era, bio), ws->bits);
- generic_make_request(bio);
+ submit_bio_noacct(bio);
}
blk_finish_plug(&plug);
}
@@ -1396,24 +1396,12 @@
static void stop_worker(struct era *era)
{
atomic_set(&era->suspended, 1);
- flush_workqueue(era->wq);
+ drain_workqueue(era->wq);
}
/*----------------------------------------------------------------
* Target methods
*--------------------------------------------------------------*/
-static int dev_is_congested(struct dm_dev *dev, int bdi_bits)
-{
- struct request_queue *q = bdev_get_queue(dev->bdev);
- return bdi_congested(q->backing_dev_info, bdi_bits);
-}
-
-static int era_is_congested(struct dm_target_callbacks *cb, int bdi_bits)
-{
- struct era *era = container_of(cb, struct era, callbacks);
- return dev_is_congested(era->origin_dev, bdi_bits);
-}
-
static void era_destroy(struct era *era)
{
if (era->md)
@@ -1532,8 +1520,6 @@
ti->flush_supported = true;
ti->num_discard_bios = 1;
- era->callbacks.congested_fn = era_is_congested;
- dm_table_add_target_callbacks(ti->table, &era->callbacks);
return 0;
}
@@ -1580,6 +1566,12 @@
}
stop_worker(era);
+
+ r = metadata_commit(era->md);
+ if (r) {
+ DMERR("%s: metadata_commit failed", __func__);
+ /* FIXME: fail mode */
+ }
}
static int era_preresume(struct dm_target *ti)
--
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