[PATCH md-6.10 7/9] md: replace last_sync_action with new enum type

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From: Yu Kuai <yukuai3@xxxxxxxxxx>

The only difference is that "none" is removed and initial
last_sync_action will be idle.

Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
 drivers/md/dm-raid.c | 2 +-
 drivers/md/md.c      | 7 ++++---
 drivers/md/md.h      | 9 ++++-----
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index abe88d1e6735..052c00c1eb15 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -3542,7 +3542,7 @@ static void raid_status(struct dm_target *ti, status_type_t type,
 		recovery = rs->md.recovery;
 		state = decipher_sync_action(mddev, recovery);
 		progress = rs_get_progress(rs, recovery, state, resync_max_sectors);
-		resync_mismatches = (mddev->last_sync_action && !strcasecmp(mddev->last_sync_action, "check")) ?
+		resync_mismatches = mddev->last_sync_action == ACTION_CHECK ?
 				    atomic64_read(&mddev->resync_mismatches) : 0;
 
 		/* HM FIXME: do we want another state char for raid0? It shows 'D'/'A'/'-' now */
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 0b609d79453a..2fc81175b46b 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -768,7 +768,7 @@ int mddev_init(struct mddev *mddev)
 	init_waitqueue_head(&mddev->recovery_wait);
 	mddev->reshape_position = MaxSector;
 	mddev->reshape_backwards = 0;
-	mddev->last_sync_action = "none";
+	mddev->last_sync_action = ACTION_IDLE;
 	mddev->resync_min = 0;
 	mddev->resync_max = MaxSector;
 	mddev->level = LEVEL_NONE;
@@ -5156,7 +5156,8 @@ __ATTR_PREALLOC(sync_action, S_IRUGO|S_IWUSR, action_show, action_store);
 static ssize_t
 last_sync_action_show(struct mddev *mddev, char *page)
 {
-	return sprintf(page, "%s\n", mddev->last_sync_action);
+	return sprintf(page, "%s\n",
+		       md_sync_action_name(mddev->last_sync_action));
 }
 
 static struct md_sysfs_entry md_last_scan_mode = __ATTR_RO(last_sync_action);
@@ -8977,7 +8978,7 @@ void md_do_sync(struct md_thread *thread)
 
 	action = md_sync_action(mddev);
 	desc = md_sync_action_name(action);
-	mddev->last_sync_action = desc;
+	mddev->last_sync_action = action;
 
 	/*
 	 * Before starting a resync we must have set curr_resync to
diff --git a/drivers/md/md.h b/drivers/md/md.h
index cf54870e89db..883b147a2c52 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -426,13 +426,12 @@ struct mddev {
 	struct md_thread __rcu		*thread;	/* management thread */
 	struct md_thread __rcu		*sync_thread;	/* doing resync or reconstruct */
 
-	/* 'last_sync_action' is initialized to "none".  It is set when a
-	 * sync operation (i.e "data-check", "requested-resync", "resync",
-	 * "recovery", or "reshape") is started.  It holds this value even
+	/*
+	 * Set when a sync operation is started. It holds this value even
 	 * when the sync thread is "frozen" (interrupted) or "idle" (stopped
-	 * or finished).  It is overwritten when a new sync operation is begun.
+	 * or finished). It is overwritten when a new sync operation is begun.
 	 */
-	char				*last_sync_action;
+	enum sync_action		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





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