[dm-devel] Patch "dm: improve shrinker debug names" has been added to the 6.1-stable tree

[dm-devel] Patch "dm: improve shrinker debug names" has been added to the 6.1-stable tree

[Sasha Levin]

This is a note to let you know that I've just added the patch titled

    dm: improve shrinker debug names

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     dm-improve-shrinker-debug-names.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.



commit 8643def7a09c75757ac4b0dfec324ed1775d5708
Author: Mike Snitzer <snitzer@kernel.org>
Date:   Wed Jan 25 13:01:46 2023 -0500

    dm: improve shrinker debug names
    
    [ Upstream commit c87791bcc455a91e51ca9800faaacc21c8d67785 ]
    
    Commit e33c267ab70d ("mm: shrinkers: provide shrinkers with names")
    chose some fairly bad names for DM's shrinkers.
    
    Fixes: e33c267ab70d ("mm: shrinkers: provide shrinkers with names")
    Signed-off-by : Mike Snitzer <snitzer@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index bb786c39545ec..19caaf684ee34 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -1833,7 +1833,7 @@ struct dm_bufio_client *dm_bufio_client_create(struct block_device *bdev, unsign
 	c->shrinker.scan_objects = dm_bufio_shrink_scan;
 	c->shrinker.seeks = 1;
 	c->shrinker.batch = 0;
-	r = register_shrinker(&c->shrinker, "md-%s:(%u:%u)", slab_name,
+	r = register_shrinker(&c->shrinker, "dm-bufio:(%u:%u)",
 			      MAJOR(bdev->bd_dev), MINOR(bdev->bd_dev));
 	if (r)
 		goto bad;
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 0278482fac94a..c795ea7da7917 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -2945,7 +2945,7 @@ int dmz_ctr_metadata(struct dmz_dev *dev, int num_dev,
 	zmd->mblk_shrinker.seeks = DEFAULT_SEEKS;
 
 	/* Metadata cache shrinker */
-	ret = register_shrinker(&zmd->mblk_shrinker, "md-meta:(%u:%u)",
+	ret = register_shrinker(&zmd->mblk_shrinker, "dm-zoned-meta:(%u:%u)",
 				MAJOR(dev->bdev->bd_dev),
 				MINOR(dev->bdev->bd_dev));
 	if (ret) {

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