[lvm-devel] [PATCH 06/19] lvm2app: Implement lv resize (v2)
Tony Asleson
tasleson at redhat.com
Wed May 8 22:45:28 UTC 2013
Simplified version of lv resize.
Signed-off-by: Tony Asleson <tasleson at redhat.com>
---
lib/metadata/metadata-exported.h | 1 +
liblvm/lvm2app.h | 2 --
liblvm/lvm_lv.c | 19 ++++++++++++++++---
3 files changed, 17 insertions(+), 5 deletions(-)
diff --git a/lib/metadata/metadata-exported.h b/lib/metadata/metadata-exported.h
index c8621ab..21ea86d 100644
--- a/lib/metadata/metadata-exported.h
+++ b/lib/metadata/metadata-exported.h
@@ -26,6 +26,7 @@
#include "vg.h"
#include "lv.h"
#include "lvm-percent.h"
+#include "errors.h"
#define MAX_STRIPES 128U
#define SECTOR_SHIFT 9L
diff --git a/liblvm/lvm2app.h b/liblvm/lvm2app.h
index 633b026..25778d1 100644
--- a/liblvm/lvm2app.h
+++ b/liblvm/lvm2app.h
@@ -1374,8 +1374,6 @@ int lvm_lv_rename(lv_t lv, const char *new_name);
*
* \memberof lv_t
*
- * NOTE: This function is currently not implemented.
- *
* \param lv
* Logical volume handle.
*
diff --git a/liblvm/lvm_lv.c b/liblvm/lvm_lv.c
index 4fbd06b..49306e6 100644
--- a/liblvm/lvm_lv.c
+++ b/liblvm/lvm_lv.c
@@ -318,9 +318,22 @@ int lvm_lv_rename(lv_t lv, const char *new_name)
int lvm_lv_resize(const lv_t lv, uint64_t new_size)
{
- /* FIXME: add lv resize code here */
- log_error("NOT IMPLEMENTED YET");
- return -1;
+ struct lvresize_params lp = { 0 };
+
+ lp.vg_name = lv->vg->name;
+ lp.lv_name = lv->name;
+ lp.sign = SIGN_NONE;
+ lp.percent = PERCENT_NONE;
+ lp.resize = LV_ANY;
+ lp.size = new_size >> SECTOR_SHIFT;
+ lp.ac_force = 1; /* Assume the user has a good backup? */
+
+ if (ECMD_PROCESSED != lv_resize(lv->vg->cmd, lv->vg, &lp, &lv->vg->pvs)) {
+ log_verbose("LV Re-size failed.");
+ return -1;
+ }
+
+ return 0;
}
lv_t lvm_lv_snapshot(const lv_t lv, const char *snap_name, uint64_t max_snap_size)
--
1.8.1.4
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