[0/3] dm thin metadata: handful of improvements

Message

Mike Snitzer April 15, 2019, 9:17 p.m. UTC

All are working well in my testing but I'd appreciate further review
from others.

Thanks,
Mike

Mike Snitzer (3):
  dm space map common: zero entire ll_disk
  dm thin metadata: do not write metadata if no changes occurred
  dm thin metadata: check __commit_transaction()'s return

 drivers/md/dm-thin-metadata.c                 | 63 +++++++++++++------
 .../md/persistent-data/dm-space-map-common.c  |  2 +
 2 files changed, 47 insertions(+), 18 deletions(-)