|
 |
4ae388 |
From 513d210cdbccfdaadb0cf7f09ba97d563aac52bb Mon Sep 17 00:00:00 2001
|
|
|
4ae388 |
From: Mike Christie <mchristi@redhat.com>
|
|
|
4ae388 |
Date: Wed, 31 Aug 2016 15:40:16 -0500
|
|
|
4ae388 |
Subject: [PATCH 10/11] rbd: check for exclusive lock enabled
|
|
|
4ae388 |
|
|
|
4ae388 |
Only attach the checker if the rbd image has the exclusive lock
|
|
|
4ae388 |
enabled.
|
|
|
4ae388 |
|
|
|
4ae388 |
Signed-off-by: Mike Christie <mchristi@redhat.com>
|
|
|
4ae388 |
---
|
|
|
4ae388 |
libmultipath/checkers/rbd.c | 14 +++++++++++++-
|
|
|
4ae388 |
1 file changed, 13 insertions(+), 1 deletion(-)
|
|
|
4ae388 |
|
|
|
4ae388 |
diff --git a/libmultipath/checkers/rbd.c b/libmultipath/checkers/rbd.c
|
|
|
4ae388 |
index a6f3405..e34bf53 100644
|
|
|
4ae388 |
--- a/libmultipath/checkers/rbd.c
|
|
|
4ae388 |
+++ b/libmultipath/checkers/rbd.c
|
|
|
4ae388 |
@@ -33,6 +33,8 @@ typedef int (thread_fn)(struct rbd_checker_context *ct, char *msg);
|
|
|
4ae388 |
|
|
|
4ae388 |
#define RBD_MSG(msg, fmt, args...) snprintf(msg, CHECKER_MSG_LEN, fmt, ##args);
|
|
|
4ae388 |
|
|
|
4ae388 |
+#define RBD_FEATURE_EXCLUSIVE_LOCK (1 << 2)
|
|
|
4ae388 |
+
|
|
|
4ae388 |
struct rbd_checker_context {
|
|
|
4ae388 |
int rbd_bus_id;
|
|
|
4ae388 |
char *client_addr;
|
|
|
4ae388 |
@@ -65,8 +67,9 @@ int libcheck_init(struct checker * c)
|
|
|
4ae388 |
struct udev_device *bus_dev;
|
|
|
4ae388 |
struct udev *udev;
|
|
|
4ae388 |
struct stat sb;
|
|
|
4ae388 |
- const char *block_name, *addr, *config_info;
|
|
|
4ae388 |
+ const char *block_name, *addr, *config_info, *features_str;
|
|
|
4ae388 |
const char *image, *pool, *snap, *username;
|
|
|
4ae388 |
+ uint64_t features = 0;
|
|
|
4ae388 |
char sysfs_path[PATH_SIZE];
|
|
|
4ae388 |
int ret;
|
|
|
4ae388 |
|
|
|
4ae388 |
@@ -119,6 +122,15 @@ int libcheck_init(struct checker * c)
|
|
|
4ae388 |
if (!ct->client_addr)
|
|
|
4ae388 |
goto free_dev;
|
|
|
4ae388 |
|
|
|
4ae388 |
+ features_str = udev_device_get_sysattr_value(bus_dev, "features");
|
|
|
4ae388 |
+ if (!features_str)
|
|
|
4ae388 |
+ goto free_addr;
|
|
|
4ae388 |
+ features = strtoll(features_str, NULL, 16);
|
|
|
4ae388 |
+ if (!(features & RBD_FEATURE_EXCLUSIVE_LOCK)) {
|
|
|
4ae388 |
+ condlog(3, "Exclusive lock not set.");
|
|
|
4ae388 |
+ goto free_addr;
|
|
|
4ae388 |
+ }
|
|
|
4ae388 |
+
|
|
|
4ae388 |
config_info = udev_device_get_sysattr_value(bus_dev, "config_info");
|
|
|
4ae388 |
if (!config_info)
|
|
|
4ae388 |
goto free_addr;
|
|
|
4ae388 |
--
|
|
|
4ae388 |
1.8.3.1
|
|
|
4ae388 |
|