tree d7760993f35eac82be5f165d385b3f05fb1f4552
parent e782eff591bca2d96bac30ab5d1cfa4ccd3b0f86
author Mike Snitzer <snitzer@redhat.com> 1437097735 -0400
committer Mike Snitzer <snitzer@redhat.com> 1437100328 -0400

dm cache: avoid calls to prealloc_free_structs() if possible

If no work was performed then prealloc_data_structs() wasn't ever called
so there isn't any need to call prealloc_free_structs().

Signed-off-by: Mike Snitzer <snitzer@redhat.com>