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| author | Joe Thornber <ejt@redhat.com> | 2013-05-10 14:37:19 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2013-05-10 14:37:19 +0100 |
| commit | 24347e9595704464f62a4ed8f46abf62b4c79cdd (patch) | |
| tree | d522f4239193edda8bb204d2c0b4251f2e982bbb /drivers/md/dm-thin-metadata.h | |
| parent | 1921c56d95c4ac92b359ad44ffbc1e9a36060b29 (diff) | |
| download | lwn-24347e9595704464f62a4ed8f46abf62b4c79cdd.tar.gz lwn-24347e9595704464f62a4ed8f46abf62b4c79cdd.zip | |
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 <ejt@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-thin-metadata.h')
| -rw-r--r-- | drivers/md/dm-thin-metadata.h | 1 |
1 files changed, 1 insertions, 0 deletions
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 |