| commit | 5a32083d03fb543f63489b2946c4948398579ba0 | [log] [tgz] |
|---|---|---|
| author | Joe Thornber <ejt@redhat.com> | Thu Mar 27 14:13:23 2014 +0000 |
| committer | Mike Snitzer <snitzer@redhat.com> | Thu Mar 27 16:56:23 2014 -0400 |
| tree | 4b14059d093b846876fa1203f31c0e31f23bcfe1 | |
| parent | a9d45396f5956d0b615c7ae3b936afd888351a47 [diff] |
dm: take care to copy the space map roots before locking the superblock In theory copying the space map root can fail, but in practice it never does because we're careful to check what size buffer is needed. But make certain we're able to copy the space map roots before locking the superblock. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org # drop dm-era and dm-cache changes as needed