From 24347e9595704464f62a4ed8f46abf62b4c79cdd Mon Sep 17 00:00:00 2001 From: Joe Thornber Date: Fri, 10 May 2013 14:37:19 +0100 Subject: dm thin: detect metadata device resizing Allow the dm thin pool metadata device to be extended. Whenever a pool is resumed, detect whether the size of the metadata device has increased, and if so, extend the metadata to use the new space. Signed-off-by: Joe Thornber Signed-off-by: Alasdair G Kergon --- drivers/md/dm-thin-metadata.h | 1 + 1 file changed, 1 insertion(+) (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 0cecc3702885..ef8dd709e34e 100644 --- a/drivers/md/dm-thin-metadata.h +++ b/drivers/md/dm-thin-metadata.h @@ -185,6 +185,7 @@ int dm_pool_get_data_dev_size(struct dm_pool_metadata *pmd, dm_block_t *result); * blocks would be lost. */ int dm_pool_resize_data_dev(struct dm_pool_metadata *pmd, dm_block_t new_size); +int dm_pool_resize_metadata_dev(struct dm_pool_metadata *pmd, dm_block_t new_size); /* * Flicks the underlying block manager into read only mode, so you know -- cgit