The reason for the second resume in my commit "libmultipath: fix
suspended devs from failed reloads" is not obvious from the multipath
code, so add a comment.
Signed-off-by: Benjamin Marzinski <bmarz...@redhat.com>
---
libmultipath/devmapper.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libmultipath/devmapper.c b/libmultipath/devmapper.c
index 69b634b..ee83e0f 100644
--- a/libmultipath/devmapper.c
+++ b/libmultipath/devmapper.c
@@ -399,6 +399,9 @@ int dm_addmap_reload(struct multipath *mpp, char *params,
int flush)
if (r)
return r;
+ /* If the resume failed, dm will leave the device suspended, and
+ * drop the new table, so doing a second resume will try using
+ * the original table */
if (dm_is_suspended(mpp->alias))
dm_simplecmd(DM_DEVICE_RESUME, mpp->alias, !flush, 1,
udev_flags, 0);
--
1.8.3.1
--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel
