diff options
| author | Petr Rockai <prockai@redhat.com> | 2014-11-19 18:38:30 +0100 |
|---|---|---|
| committer | Petr Rockai <prockai@redhat.com> | 2014-11-20 16:51:06 +0100 |
| commit | d22ffd8c289f570b3406f684212b6e7821179710 (patch) | |
| tree | 13971a73ffdf94682260a723ba8d760663e766c7 | |
| parent | 0050480c0eced1da98ffc76d5010cef605c776eb (diff) | |
| download | lvm2-d22ffd8c289f570b3406f684212b6e7821179710.tar.gz | |
cache: Add lv_cache_setpolicy to cache_manip.c.
| -rw-r--r-- | lib/metadata/cache_manip.c | 18 | ||||
| -rw-r--r-- | lib/metadata/metadata-exported.h | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/lib/metadata/cache_manip.c b/lib/metadata/cache_manip.c index fb5346d64..f7b1b995d 100644 --- a/lib/metadata/cache_manip.c +++ b/lib/metadata/cache_manip.c @@ -395,6 +395,24 @@ int lv_is_cache_origin(const struct logical_volume *lv) return seg && lv_is_cache(seg->lv) && !lv_is_pending_delete(seg->lv) && (seg_lv(seg, 0) == lv); } +int lv_cache_setpolicy(struct logical_volume *lv, struct dm_config_tree *policy) +{ + struct lv_segment *seg = first_seg(lv); + const char *name; + + if (lv_is_cache(lv)) + seg = first_seg(seg->pool_lv); + + if (!(seg->policy_settings = dm_config_clone_node_with_mem(lv->vg->vgmem, policy->root, 0))) + return_0; + + if ((name = dm_config_find_str(policy->root, "policy", NULL)) && + !(seg->policy_name = dm_pool_strdup(lv->vg->vgmem, name))) + return_0; + + return 1; +} + /* * Wipe cache pool metadata area before use. * diff --git a/lib/metadata/metadata-exported.h b/lib/metadata/metadata-exported.h index c472f41a7..d960e1fbf 100644 --- a/lib/metadata/metadata-exported.h +++ b/lib/metadata/metadata-exported.h @@ -1109,6 +1109,7 @@ int validate_lv_cache_create_origin(const struct logical_volume *origin_lv); struct logical_volume *lv_cache_create(struct logical_volume *pool, struct logical_volume *origin); int lv_cache_remove(struct logical_volume *cache_lv); +int lv_cache_setpolicy(struct logical_volume *cache_lv, struct dm_config_tree *pol); int wipe_cache_pool(struct logical_volume *cache_pool_lv); /* -- metadata/cache_manip.c */ |