From: Robin Dong <san...@taobao.com>
A sheep daemon which is lauched as pure gateway can't (and also don't need)
to add data path.
Signed-off-by: Robin Dong <san...@taobao.com>
Cc: Hitoshi Mitake <mitake.hito...@gmail.com>
---
v1-->v2:
1. change result to 'SD_RES_INVALID_PARMS' and add log
sheep/md.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/sheep/md.c b/sheep/md.c
index 29f263f..e213ff6 100644
--- a/sheep/md.c
+++ b/sheep/md.c
@@ -802,6 +802,12 @@ static int do_plug_unplug(char *disks, bool plug)
path = strtok(disks, ",");
do {
if (plug) {
+ /* Not allowed to plug disk for pure gateway */
+ if (md.nr_disks == 0 || sys->this_node.nr_vnodes == 0) {
+ sd_err("Can't plug disk for pure gateway");
+ ret = SD_RES_INVALID_PARMS;
+ goto out;
+ }
if (!md_add_disk(path, true))
sd_err("failed to add %s", path);
} else {
--
1.7.12.4
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