lvm2/use-mirrortype-asdefault-whenclvmdrunning.patch

55 lines
1.7 KiB
Diff

Index: LVM2.2.02.98/tools/lvcreate.c
===================================================================
--- LVM2.2.02.98.orig/tools/lvcreate.c 2014-04-14 14:25:22.291748711 +0800
+++ LVM2.2.02.98/tools/lvcreate.c 2014-04-24 15:40:49.104019108 +0800
@@ -670,6 +670,28 @@ static int _read_activation_params(struc
return 1;
}
+static int clvmd_daemon_is_running()
+{
+ int fd;
+ struct flock lock;
+
+ if((fd = open(CLVMD_PIDFILE, O_RDONLY)) < 0)
+ return 0;
+
+ lock.l_type = F_WRLCK;
+ lock.l_start = 0;
+ lock.l_whence = SEEK_SET;
+ lock.l_len = 0;
+ if (fcntl(fd, F_GETLK, &lock) < 0) {
+ /* errors with fcntl */
+ close(fd);
+ return 0;
+ }
+
+ close(fd);
+ return (lock.l_type == F_UNLCK) ? 0 : 1;
+}
+
static int _lvcreate_params(struct lvcreate_params *lp,
struct lvcreate_cmdline_params *lcp,
struct cmd_context *cmd,
@@ -696,15 +718,16 @@ static int _lvcreate_params(struct lvcre
}
// FIXME -m0 implies *striped*
-
- /* Set default segtype */
- if (arg_count(cmd, mirrors_ARG))
+ /* Set default segtype */
+ if (arg_count(cmd, mirrors_ARG)) {
/*
* FIXME: Add default setting for when -i and -m arguments
* are both given. We should default to "raid10".
*/
segtype_str = find_config_tree_str(cmd, "global/mirror_segtype_default", DEFAULT_MIRROR_SEGTYPE);
- else if (arg_count(cmd, thin_ARG) || arg_count(cmd, thinpool_ARG))
+ if(clvmd_daemon_is_running())
+ segtype_str = "mirror";
+ } else if (arg_count(cmd, thin_ARG) || arg_count(cmd, thinpool_ARG))
segtype_str = "thin";
else
segtype_str = "striped";