DM_DEVICE_INFO aka the kernel's DM_DEV_STATUS ioctl, is sufficient to
fetch the map name, and more lightweight than DM_DEVICE_STATUS, which maps to
the kernel's DM_TABLE_STATUS ioctl.
Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
Reviewed-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
---
libmultipath/devmapper.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libmultipath/devmapper.c b/libmultipath/devmapper.c
index 3ee8555..baa1ead 100644
--- a/libmultipath/devmapper.c
+++ b/libmultipath/devmapper.c
@@ -1412,7 +1412,7 @@ dm_mapname(int major, int minor)
struct dm_task *dmt;
int r;
- if (!(dmt = libmp_dm_task_create(DM_DEVICE_STATUS)))
+ if (!(dmt = libmp_dm_task_create(DM_DEVICE_INFO)))
return NULL;
if (!dm_task_set_major(dmt, major) ||
@@ -1422,7 +1422,7 @@ dm_mapname(int major, int minor)
dm_task_no_open_count(dmt);
r = libmp_dm_task_run(dmt);
if (!r) {
- dm_log_error(2, DM_DEVICE_STATUS, dmt);
+ dm_log_error(2, DM_DEVICE_INFO, dmt);
goto bad;
}
--
2.45.2
