From 40db5a537655aa0b17a82a4b5596f8d27400edd8 Mon Sep 17 00:00:00 2001 From: Joe Thornber Date: Fri, 27 Jul 2012 15:08:14 +0100 Subject: dm thin metadata: add dm_thin_changed_this_transaction Introduce dm_thin_changed_this_transaction to dm-thin-metadata to publish a useful bit of information we're already tracking. This will help dm thin decide when to commit. Signed-off-by: Joe Thornber Signed-off-by: Mike Snitzer Signed-off-by: Alasdair G Kergon --- drivers/md/dm-thin-metadata.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/md/dm-thin-metadata.h') diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h index 7e6656c49bd5..1632fec1660d 100644 --- a/drivers/md/dm-thin-metadata.h +++ b/drivers/md/dm-thin-metadata.h @@ -148,6 +148,8 @@ int dm_thin_remove_block(struct dm_thin_device *td, dm_block_t block); /* * Queries. */ +bool dm_thin_changed_this_transaction(struct dm_thin_device *td); + int dm_thin_get_highest_mapped_block(struct dm_thin_device *td, dm_block_t *highest_mapped); -- cgit v1.2.3