This is a note to let you know that I've just added the patch titled
dm thin metadata: delete btrees when releasing metadata snapshot
to the 3.14-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-thin-metadata-delete-btrees-when-releasing-metadata-snapshot.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 7f518ad0a212e2a6fd68630e176af1de395070a7 Mon Sep 17 00:00:00 2001
From: Joe Thornber <[email protected]>
Date: Wed, 12 Aug 2015 15:10:21 +0100
Subject: dm thin metadata: delete btrees when releasing metadata snapshot
From: Joe Thornber <[email protected]>
commit 7f518ad0a212e2a6fd68630e176af1de395070a7 upstream.
The device details and mapping trees were just being decremented
before. Now btree_del() is called to do a deep delete.
Signed-off-by: Joe Thornber <[email protected]>
Signed-off-by: Mike Snitzer <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/md/dm-thin-metadata.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1295,8 +1295,8 @@ static int __release_metadata_snap(struc
return r;
disk_super = dm_block_data(copy);
- dm_sm_dec_block(pmd->metadata_sm,
le64_to_cpu(disk_super->data_mapping_root));
- dm_sm_dec_block(pmd->metadata_sm,
le64_to_cpu(disk_super->device_details_root));
+ dm_btree_del(&pmd->info, le64_to_cpu(disk_super->data_mapping_root));
+ dm_btree_del(&pmd->details_info,
le64_to_cpu(disk_super->device_details_root));
dm_sm_dec_block(pmd->metadata_sm, held_root);
return dm_tm_unlock(pmd->tm, copy);
Patches currently in stable-queue which might be from [email protected] are
queue-3.14/dm-thin-metadata-delete-btrees-when-releasing-metadata-snapshot.patch
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