lvm2/use-mirrortype-asdefault-whenclvmdrunning.patch
2016-01-28 04:41:36 +00:00

47 lines
1.3 KiB
Diff

---
tools/lvcreate.c | 28 ++++++++++++++++++++++++++--
1 file changed, 26 insertions(+), 2 deletions(-)
Index: LVM2.2.02.139/tools/lvcreate.c
===================================================================
--- LVM2.2.02.139.orig/tools/lvcreate.c
+++ LVM2.2.02.139/tools/lvcreate.c
@@ -639,6 +639,28 @@ static int _read_activation_params(struc
return 1;
}
+static int clvmd_daemon_is_running(void)
+{
+ 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 cmd_context *cmd,
int argc, char **argv,
struct lvcreate_params *lp,
@@ -689,6 +711,8 @@ static int _lvcreate_params(struct cmd_c
mirror_default_cfg = (arg_uint_value(cmd, stripes_ARG, 1) > 1)
? global_raid10_segtype_default_CFG : global_mirror_segtype_default_CFG;
segtype_str = find_config_tree_str(cmd, mirror_default_cfg, NULL);
+ if(clvmd_daemon_is_running())
+ segtype_str = "mirror";
} else
segtype_str = SEG_TYPE_NAME_STRIPED;