New APIs: Support for creating LUKS and managing keys.

[libguestfs.git] / daemon / lvm.c

diff --git a/daemon/lvm.c b/daemon/lvm.c
index 20f2fb3..70c3c90 100644 (file)
--- a/daemon/lvm.c
+++ b/daemon/lvm.c
@@ -20,6 +20,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <inttypes.h>
 #include <string.h>
 #include <unistd.h>
 
@@ -267,7 +268,33 @@ do_lvresize (const char *logvol, int mbytes)
 
   r = command (NULL, &err,
                "lvm", "lvresize",
-               "-L", size, logvol, NULL);
+               "--force", "-L", size, logvol, NULL);
+  if (r == -1) {
+    reply_with_error ("%s", err);
+    free (err);
+    return -1;
+  }
+
+  free (err);
+  return 0;
+}
+
+int
+do_lvresize_free (const char *logvol, int percent)
+{
+  char *err;
+  int r;
+
+  if (percent < 0 || percent > 100) {
+    reply_with_error ("percentage must be [0..100] (was %d)", percent);
+    return -1;
+  }
+
+  char size[64];
+  snprintf (size, sizeof size, "+%d%%FREE", percent);
+
+  r = command (NULL, &err,
+               "lvm", "lvresize", "-l", size, logvol, NULL);
   if (r == -1) {
     reply_with_error ("%s", err);
     free (err);
@@ -427,6 +454,29 @@ do_pvresize (const char *device)
 }
 
 int
+do_pvresize_size (const char *device, int64_t size)
+{
+  char *err;
+  int r;
+
+  char buf[32];
+  snprintf (buf, sizeof buf, "%" PRIi64 "b", size);
+
+  r = command (NULL, &err,
+               "lvm", "pvresize",
+               "--setphysicalvolumesize", buf,
+               device, NULL);
+  if (r == -1) {
+    reply_with_error ("%s: %s", device, err);
+    free (err);
+    return -1;
+  }
+
+  free (err);
+  return 0;
+}
+
+int
 do_vg_activate (int activate, char *const *volgroups)
 {
   char *err;