From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/drivers/md/dm-cache-target.c | 15 ++++++++++-----
1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/kernel/drivers/md/dm-cache-target.c b/kernel/drivers/md/dm-cache-target.c
index 4bc453f..f98ad43 100644
--- a/kernel/drivers/md/dm-cache-target.c
+++ b/kernel/drivers/md/dm-cache-target.c
@@ -985,14 +985,14 @@
if (get_cache_mode(cache) >= CM_READ_ONLY)
return;
- if (dm_cache_metadata_set_needs_check(cache->cmd)) {
- DMERR("%s: failed to set 'needs_check' flag in metadata", dev_name);
- set_cache_mode(cache, CM_FAIL);
- }
-
DMERR_LIMIT("%s: aborting current metadata transaction", dev_name);
if (dm_cache_metadata_abort(cache->cmd)) {
DMERR("%s: failed to abort metadata transaction", dev_name);
+ set_cache_mode(cache, CM_FAIL);
+ }
+
+ if (dm_cache_metadata_set_needs_check(cache->cmd)) {
+ DMERR("%s: failed to set 'needs_check' flag in metadata", dev_name);
set_cache_mode(cache, CM_FAIL);
}
}
@@ -1883,6 +1883,7 @@
else
commit_needed = process_bio(cache, bio) || commit_needed;
+ cond_resched();
}
if (commit_needed)
@@ -1905,6 +1906,7 @@
while ((bio = bio_list_pop(&bios))) {
bio->bi_status = BLK_STS_DM_REQUEUE;
bio_endio(bio);
+ cond_resched();
}
}
@@ -1945,6 +1947,8 @@
r = mg_start(cache, op, NULL);
if (r)
break;
+
+ cond_resched();
}
}
@@ -1965,6 +1969,7 @@
if (cache->prison)
dm_bio_prison_destroy_v2(cache->prison);
+ cancel_delayed_work_sync(&cache->waker);
if (cache->wq)
destroy_workqueue(cache->wq);
--
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