linux-kernel - [PATCH 08/12] md: use new helers in md_do

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Message-ID: <20240603125815.2199072-9-yukuai3@huawei.com>
Date: Mon, 3 Jun 2024 20:58:11 +0800
From: Yu Kuai <yukuai3@...wei.com>
To: <agk@...hat.com>, <snitzer@...nel.org>, <mpatocka@...hat.com>,
	<song@...nel.org>, <xni@...hat.com>, <mariusz.tkaczyk@...ux.intel.com>,
	<l@...enly.org>
CC: <dm-devel@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
	<linux-raid@...r.kernel.org>, <yukuai3@...wei.com>,
	<yukuai1@...weicloud.com>, <yi.zhang@...wei.com>, <yangerkun@...wei.com>
Subject: [PATCH 08/12] md: use new helers in md_do_sync()

Make code cleaner. and also use the action_name directly in kernel log:
 - "check" instead of "data-check"
 - "repair" instead of "requested-resync"

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
 drivers/md/md.c | 21 +++++----------------
 drivers/md/md.h |  2 +-
 2 files changed, 6 insertions(+), 17 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 3890ae86449a..e44016055b56 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -8934,7 +8934,8 @@ void md_do_sync(struct md_thread *thread)
 	sector_t last_check;
 	int skipped = 0;
 	struct md_rdev *rdev;
-	char *desc, *action = NULL;
+	enum sync_action action;
+	const char *desc;
 	struct blk_plug plug;
 	int ret;
 
@@ -8965,21 +8966,9 @@ void md_do_sync(struct md_thread *thread)
 			goto skip;
 	}
 
-	if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) {
-		if (test_bit(MD_RECOVERY_CHECK, &mddev->recovery)) {
-			desc = "data-check";
-			action = "check";
-		} else if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) {
-			desc = "requested-resync";
-			action = "repair";
-		} else
-			desc = "resync";
-	} else if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery))
-		desc = "reshape";
-	else
-		desc = "recovery";
-
-	mddev->last_sync_action = action ?: desc;
+	action = md_sync_action(mddev);
+	desc = md_sync_action_name(action);
+	mddev->last_sync_action = desc;
 
 	/*
 	 * Before starting a resync we must have set curr_resync to
diff --git a/drivers/md/md.h b/drivers/md/md.h
index f7afc5a46031..614011651f79 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -432,7 +432,7 @@ struct mddev {
 	 * when the sync thread is "frozen" (interrupted) or "idle" (stopped
 	 * or finished).  It is overwritten when a new sync operation is begun.
 	 */
-	char				*last_sync_action;
+	const char			*last_sync_action;
 	sector_t			curr_resync;	/* last block scheduled */
 	/* As resync requests can complete out of order, we cannot easily track
 	 * how much resync has been completed.  So we occasionally pause until
-- 
2.39.2