dm thin: set flush_supported
The thin provisioning target commits internal metadata on flush. So it
should receive flushes regardless of whether the underlying devices
support them.
Signed-off-by: Joe Thornber <[email protected]>
Signed-off-by: Mike Snitzer <[email protected]>
Signed-off-by: Alasdair G Kergon <[email protected]>
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 7510cb3..ee5a3fc 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2652,6 +2652,7 @@
goto bad_thin_open;
ti->num_flush_requests = 1;
+ ti->flush_supported = true;
/* In case the pool supports discards, pass them on. */
if (tc->pool->pf.discard_enabled) {
