dm thin metadata: decrement counter after removing mapped block
authorJoe Thornber <ejt@redhat.com>
Wed, 7 Mar 2012 19:09:44 +0000 (19:09 +0000)
committerAlasdair G Kergon <agk@redhat.com>
Wed, 7 Mar 2012 19:09:44 +0000 (19:09 +0000)
Correct the number of mapped sectors shown on a thin device's
status line by decrementing td->mapped_blocks in __remove() each time
a block is removed.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm-thin-metadata.c

index 05b7ffc030edbf1223214245511353383ed79f8c..237571af77fdfcf552b7061fa13ff291514c86b7 100644 (file)
@@ -1224,6 +1224,8 @@ static int __remove(struct dm_thin_device *td, dm_block_t block)
        if (r)
                return r;
 
+       td->mapped_blocks--;
+       td->changed = 1;
        pmd->need_commit = 1;
 
        return 0;