Gitweb:
http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=b78609686399ee...
Commit: b78609686399ee01a53d8a2e8685cd05389d8cc9
Parent: f4137640f60af5377615a1b9e50238b593cf272b
Author: Zdenek Kabelac <zkabelac(a)redhat.com>
AuthorDate: Mon Nov 19 13:37:36 2012 +0100
Committer: Zdenek Kabelac <zkabelac(a)redhat.com>
CommitterDate: Mon Nov 19 14:38:17 2012 +0100
thin: add alloc_pool_metadata
Since our api call is not yet powerfull enough,
use this wrapper to preset options.
---
tools/toollib.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
tools/toollib.h | 5 +++++
2 files changed, 49 insertions(+), 0 deletions(-)
diff --git a/tools/toollib.c b/tools/toollib.c
index c3c6381..ba1ba94 100644
--- a/tools/toollib.c
+++ b/tools/toollib.c
@@ -1650,6 +1650,50 @@ int update_pool_params(struct cmd_context *cmd, unsigned attr,
return 1;
}
+struct logical_volume *alloc_pool_metadata(struct logical_volume *pool_lv,
+ alloc_policy_t alloc,
+ const char *name,
+ struct dm_list *pvh,
+ uint32_t read_ahead,
+ uint32_t stripes,
+ uint32_t stripe_size,
+ uint64_t size)
+{
+ struct logical_volume *metadata_lv;
+ struct lvcreate_params lvc;
+
+ /* FIXME: Make lvm2api usable */
+ memset(&lvc, 0, sizeof(lvc));
+
+ if (!(lvc.extents = extents_from_size(pool_lv->vg->cmd, size,
+ pool_lv->vg->extent_size)))
+ return_0;
+
+ if (!(lvc.segtype = get_segtype_from_string(pool_lv->vg->cmd,
"striped")))
+ return_0;
+
+ dm_list_init(&lvc.tags);
+
+ /* FIXME: allocate properly space for metadata_lv */
+ lvc.activate = CHANGE_ALY;
+ lvc.alloc = alloc;
+ lvc.lv_name = name;
+ lvc.major = -1;
+ lvc.minor = -1;
+ lvc.permission = LVM_READ | LVM_WRITE;
+ lvc.pvh = pvh;
+ lvc.read_ahead = read_ahead;
+ lvc.stripe_size = stripe_size;
+ lvc.stripes = stripes;
+ lvc.vg_name = pool_lv->vg->name;
+ lvc.zero = 1;
+
+ if (!(metadata_lv = lv_create_single(pool_lv->vg, &lvc)))
+ return_0;
+
+ return metadata_lv;
+}
+
/*
* Generic stripe parameter checks.
*/
diff --git a/tools/toollib.h b/tools/toollib.h
index 09071b3..80c01fd 100644
--- a/tools/toollib.h
+++ b/tools/toollib.h
@@ -120,6 +120,11 @@ int update_pool_params(struct cmd_context *cmd, unsigned attr,
uint32_t data_extents, uint32_t extent_size,
uint32_t *chunk_size, thin_discards_t *discards,
uint64_t *pool_metadata_size);
+struct logical_volume *alloc_pool_metadata(struct logical_volume *pool_lv,
+ alloc_policy_t alloc, const char *name,
+ struct dm_list *pvh, uint32_t read_ahead,
+ uint32_t stripes, uint32_t stripe_size,
+ uint64_t size);
int get_stripe_params(struct cmd_context *cmd, uint32_t *stripes,
uint32_t *stripe_size);