Hi,
在 2025/09/04 19:13, Wu Guanghao 写道:
In md_check_recovery(), use new helpers to make code cleaner.
Signed-off-by: Wu Guanghao <wuguanghao3@xxxxxxxxxx>
---
drivers/md/md.c | 41 +++++++++++++++++++++++++++++------------
1 file changed, 29 insertions(+), 12 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 1baaf52c603c..cbbb9ac14cf6 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -9741,6 +9741,34 @@ static void unregister_sync_thread(struct mddev *mddev)
md_reap_sync_thread(mddev);
}
+
+
+static bool md_should_do_recovery(struct mddev *mddev)
+{
+ /*
+ * As long as one of the following flags is set,
+ * recovery needs to do.
+ */
+ if (test_bit(MD_RECOVERY_NEEDED, &mddev->recovery) ||
+ test_bit(MD_RECOVERY_DONE, &mddev->recovery))
+ return true;
+
+ /*
+ * If no flags are set and it is in read-only status,
+ * there is nothing to do.
+ */
+ if (!md_is_rdwr(mddev))
+ return false;
+
+ if ((mddev->sb_flags & ~ (1<<MD_SB_CHANGE_PENDING)) ||
+ (mddev->external == 0 && mddev->safemode == 1) ||
+ (mddev->safemode == 2 && !mddev->in_sync &&
+ mddev->resync_offset == MaxSector))
+ return true;
Plese also split abouve conditions and add comments.
Thanks,
Kuai
+
+ return false;
+}
+
/*
* This routine is regularly called by all per-raid-array threads to
* deal with generic issues like resync and super-block update.
@@ -9777,18 +9805,7 @@ void md_check_recovery(struct mddev *mddev)
flush_signals(current);
}
- if (!md_is_rdwr(mddev) &&
- !test_bit(MD_RECOVERY_NEEDED, &mddev->recovery) &&
- !test_bit(MD_RECOVERY_DONE, &mddev->recovery))
- return;
- if ( ! (
- (mddev->sb_flags & ~ (1<<MD_SB_CHANGE_PENDING)) ||
- test_bit(MD_RECOVERY_NEEDED, &mddev->recovery) ||
- test_bit(MD_RECOVERY_DONE, &mddev->recovery) ||
- (mddev->external == 0 && mddev->safemode == 1) ||
- (mddev->safemode == 2
- && !mddev->in_sync && mddev->resync_offset == MaxSector)
- ))
+ if (!md_should_do_recovery(mddev))
return;
if (mddev_trylock(mddev)) {
