diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-thin-metadata.c | 16 | ||||
| -rw-r--r-- | drivers/md/dm-thin-metadata.h | 2 |
2 files changed, 15 insertions, 3 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 5ae31185e47..4f5b11c195f 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -1375,10 +1375,9 @@ static int __insert(struct dm_thin_device *td, dm_block_t block, if (r) return r; - if (inserted) { + td->changed = 1; + if (inserted) td->mapped_blocks++; - td->changed = 1; - } return 0; } @@ -1422,6 +1421,17 @@ int dm_thin_remove_block(struct dm_thin_device *td, dm_block_t block) return r; } +bool dm_thin_changed_this_transaction(struct dm_thin_device *td) +{ + int r; + + down_read(&td->pmd->root_lock); + r = td->changed; + up_read(&td->pmd->root_lock); + + return r; +} + int dm_pool_alloc_data_block(struct dm_pool_metadata *pmd, dm_block_t *result) { int r; diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h index 7e6656c49bd..1632fec1660 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); |