From ce559078a5650afb9f635204b31a89a1fa0061e3 Mon Sep 17 00:00:00 2001

From: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>

Date: Tue, 24 Nov 2020 13:39:49 +0100

Subject: [PATCH 098/108] Create.c: close mdfd and generate uevent

During mdfd closing change event is not generated because open() is

called before start watching mddevice by udev.

Device is ready at this stage. Unblock device, close fd and

generate event to give a chance next layers to work.

Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>

---

 Create.c | 7 ++-----

 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/Create.c b/Create.c

index 0efa19c..51f8826 100644

--- a/Create.c

+++ b/Create.c

@@ -1083,12 +1083,9 @@ int Create(struct supertype *st, char *mddev,

 	} else {

 		pr_err("not starting array - not enough devices.\n");

 	}

-	close(mdfd);

-	/* Give udev a moment to process the Change event caused

-	 * by the close.

-	 */

-	usleep(100*1000);

 	udev_unblock();

+	close(mdfd);

+	sysfs_uevent(&info, "change");

 	return 0;

  abort:

-- 

2.7.5