Merge branch 'md-next' of https://git.kernel.org/pub/scm/linux/kernel…

…/git/song/md into for-5.19/drivers

Pull MD updates from Song:

"- Remove uses of bdevname, by Christoph Hellwig;
 - Bug fixes by Guoqing Jiang, and Xiao Ni."

* 'md-next' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
  md: fix double free of io_acct_set bioset
  md: Don't set mddev private to NULL in raid0 pers->free
  md: remove most calls to bdevname
  md: protect md_unregister_thread from reentrancy
  md: don't unregister sync_thread with reconfig_mutex held

drivers/md/dm-raid.c

@@ -3725,7 +3725,7 @@ static int raid_message(struct dm_target *ti, unsigned int argc, char **argv,
 	if (!strcasecmp(argv[0], "idle") || !strcasecmp(argv[0], "frozen")) {
 		if (mddev->sync_thread) {
 			set_bit(MD_RECOVERY_INTR, &mddev->recovery);
-			md_reap_sync_thread(mddev);
+			md_reap_sync_thread(mddev, false);
 		}
 	} else if (decipher_sync_action(mddev, mddev->recovery) != st_idle)
 		return -EBUSY;

drivers/md/md-linear.c

@@ -206,7 +206,6 @@ static void linear_free(struct mddev *mddev, void *priv)
 
 static bool linear_make_request(struct mddev *mddev, struct bio *bio)
 {
-	char b[BDEVNAME_SIZE];
 	struct dev_info *tmp_dev;
 	sector_t start_sector, end_sector, data_offset;
 	sector_t bio_sector = bio->bi_iter.bi_sector;
@@ -256,10 +255,10 @@ static bool linear_make_request(struct mddev *mddev, struct bio *bio)
 	return true;
 
 out_of_bounds:
-	pr_err("md/linear:%s: make_request: Sector %llu out of bounds on dev %s: %llu sectors, offset %llu\n",
+	pr_err("md/linear:%s: make_request: Sector %llu out of bounds on dev %pg: %llu sectors, offset %llu\n",
 	       mdname(mddev),
 	       (unsigned long long)bio->bi_iter.bi_sector,
-	       bdevname(tmp_dev->rdev->bdev, b),
+	       tmp_dev->rdev->bdev,
 	       (unsigned long long)tmp_dev->rdev->sectors,
 	       (unsigned long long)start_sector);
 	bio_io_error(bio);

drivers/md/md-multipath.c

@@ -87,10 +87,9 @@ static void multipath_end_request(struct bio *bio)
 		/*
 		 * oops, IO error:
 		 */
-		char b[BDEVNAME_SIZE];
 		md_error (mp_bh->mddev, rdev);
-		pr_info("multipath: %s: rescheduling sector %llu\n",
-			bdevname(rdev->bdev,b),
+		pr_info("multipath: %pg: rescheduling sector %llu\n",
+			rdev->bdev,
 			(unsigned long long)bio->bi_iter.bi_sector);
 		multipath_reschedule_retry(mp_bh);
 	} else
@@ -154,7 +153,6 @@ static void multipath_status(struct seq_file *seq, struct mddev *mddev)
 static void multipath_error (struct mddev *mddev, struct md_rdev *rdev)
 {
 	struct mpconf *conf = mddev->private;
-	char b[BDEVNAME_SIZE];
 
 	if (conf->raid_disks - mddev->degraded <= 1) {
 		/*
@@ -177,9 +175,9 @@ static void multipath_error (struct mddev *mddev, struct md_rdev *rdev)
 	}
 	set_bit(Faulty, &rdev->flags);
 	set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags);
-	pr_err("multipath: IO failure on %s, disabling IO path.\n"
+	pr_err("multipath: IO failure on %pg, disabling IO path.\n"
 	       "multipath: Operation continuing on %d IO paths.\n",
-	       bdevname(rdev->bdev, b),
+	       rdev->bdev,
 	       conf->raid_disks - mddev->degraded);
 }
 
@@ -197,12 +195,11 @@ static void print_multipath_conf (struct mpconf *conf)
 		 conf->raid_disks);
 
 	for (i = 0; i < conf->raid_disks; i++) {
-		char b[BDEVNAME_SIZE];
 		tmp = conf->multipaths + i;
 		if (tmp->rdev)
-			pr_debug(" disk%d, o:%d, dev:%s\n",
+			pr_debug(" disk%d, o:%d, dev:%pg\n",
 				 i,!test_bit(Faulty, &tmp->rdev->flags),
-				 bdevname(tmp->rdev->bdev,b));
+				 tmp->rdev->bdev);
 	}
 }