diff options
Diffstat (limited to 'lib/vdo/vdo.c')
| -rw-r--r-- | lib/vdo/vdo.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/lib/vdo/vdo.c b/lib/vdo/vdo.c index d2d14d146..133678ae7 100644 --- a/lib/vdo/vdo.c +++ b/lib/vdo/vdo.c @@ -355,6 +355,27 @@ static int _vdo_pool_target_status_compatible(const char *type) return (strcmp(type, TARGET_NAME_VDO) == 0); } +static int _vdo_check(struct cmd_context *cmd, const struct lv_segment *seg) +{ + + struct vdo_pool_size_config cfg = { 0 }; + + if (!lv_vdo_pool_size_config(seg->lv, &cfg)) + return_0; + + /* Check if we are just adding more size to the already running vdo pool */ + if (seg->lv->size >= cfg.physical_size) + cfg.physical_size = seg->lv->size - cfg.physical_size; + if (get_vdo_pool_virtual_size(seg) >= cfg.virtual_size) + cfg.virtual_size = get_vdo_pool_virtual_size(seg) - cfg.virtual_size; + if (seg->vdo_params.block_map_cache_size_mb >= cfg.block_map_cache_size_mb) + cfg.block_map_cache_size_mb = seg->vdo_params.block_map_cache_size_mb - cfg.block_map_cache_size_mb; + if (seg->vdo_params.index_memory_size_mb >= cfg.index_memory_size_mb) + cfg.index_memory_size_mb = seg->vdo_params.index_memory_size_mb - cfg.index_memory_size_mb; + + return check_vdo_constrains(cmd, &cfg); +} + static int _vdo_pool_add_target_line(struct dev_manager *dm, struct dm_pool *mem, struct cmd_context *cmd, @@ -375,8 +396,7 @@ static int _vdo_pool_add_target_line(struct dev_manager *dm, return 0; } - if (!critical_section() && - !check_vdo_constrains(cmd, seg->lv->size, get_vdo_pool_virtual_size(seg), &seg->vdo_params)) + if (!critical_section() && !_vdo_check(cmd, seg)) return_0; if (!(vdo_pool_name = dm_build_dm_name(mem, seg->lv->vg->name, seg->lv->name, lv_layer(seg->lv)))) |