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| author | Joe Thornber <ejt@redhat.com> | 2013-05-10 14:37:18 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2013-05-10 14:37:18 +0100 |
| commit | b17446df2ebcaf32889376d90f4b9b2baebb2db6 (patch) | |
| tree | 53d98c3dcb15542d90a6e39c5373a5ab41d47c02 /drivers/md/dm-thin-metadata.c | |
| parent | 8c5008fac4af85c7a597c4e7f2c328ac90652bc2 (diff) | |
| download | linux-b17446df2ebcaf32889376d90f4b9b2baebb2db6.tar.gz linux-b17446df2ebcaf32889376d90f4b9b2baebb2db6.tar.bz2 linux-b17446df2ebcaf32889376d90f4b9b2baebb2db6.zip | |
dm thin: refactor data dev resize
Refactor device size functions in preparation for similar metadata
device resizing functions.
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.c')
| -rw-r--r-- | drivers/md/dm-thin-metadata.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 00cee02f8fc9..9452a489ed99 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -1645,12 +1645,12 @@ int dm_thin_get_highest_mapped_block(struct dm_thin_device *td, return r; } -static int __resize_data_dev(struct dm_pool_metadata *pmd, dm_block_t new_count) +static int __resize_space_map(struct dm_space_map *sm, dm_block_t new_count) { int r; dm_block_t old_count; - r = dm_sm_get_nr_blocks(pmd->data_sm, &old_count); + r = dm_sm_get_nr_blocks(sm, &old_count); if (r) return r; @@ -1658,11 +1658,11 @@ static int __resize_data_dev(struct dm_pool_metadata *pmd, dm_block_t new_count) return 0; if (new_count < old_count) { - DMERR("cannot reduce size of data device"); + DMERR("cannot reduce size of space map"); return -EINVAL; } - return dm_sm_extend(pmd->data_sm, new_count - old_count); + return dm_sm_extend(sm, new_count - old_count); } int dm_pool_resize_data_dev(struct dm_pool_metadata *pmd, dm_block_t new_count) @@ -1671,7 +1671,7 @@ int dm_pool_resize_data_dev(struct dm_pool_metadata *pmd, dm_block_t new_count) down_write(&pmd->root_lock); if (!pmd->fail_io) - r = __resize_data_dev(pmd, new_count); + r = __resize_space_map(pmd->data_sm, new_count); up_write(&pmd->root_lock); return r; |