DM_DEVICE_CREATE loads a new table, so there cannot be any
I/O pending. Hence we should be setting the 'no flush'
and 'skip lockfs' flag to avoid delays during creation.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
libmultipath/devmapper.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/libmultipath/devmapper.c b/libmultipath/devmapper.c
index 15c91c9..c2ae83b 100644
--- a/libmultipath/devmapper.c
+++ b/libmultipath/devmapper.c
@@ -321,11 +321,16 @@ dm_addmap (int task, const char *target, struct multipath *mpp,
dm_task_no_open_count(dmt);
- if (cookie &&
- !dm_task_set_cookie(dmt, cookie,
- DM_UDEV_DISABLE_LIBRARY_FALLBACK)) {
- dm_udev_complete(*cookie);
- goto freeout;
+ if (cookie) {
+ if (!dm_task_set_cookie(dmt, cookie,
+ DM_UDEV_DISABLE_LIBRARY_FALLBACK)) {
+ dm_udev_complete(*cookie);
+ goto freeout;
+ }
+ dm_task_skip_lockfs(dmt);
+#ifdef LIBDM_API_FLUSH
+ dm_task_no_flush(dmt);
+#endif
}
r = dm_task_run (dmt);
--
2.6.6
--
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