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From 91c97c5432028875db5f8abeddb5cb5f31902001 Mon Sep 17 00:00:00 2001
From: Mariusz Tkaczyk <mariusz.tkaczyk@intel.com>
Date: Mon, 15 Jul 2019 09:25:35 +0200
Subject: [RHEL7.8 PATCH V2 34/47] imsm: close removed drive fd.
When member drive fails, managemon prepares metadata update and adds
the drive to disk_mgmt_list with DISK_REMOVE flag. It fills only
minor and major. It is enough to recognize the device later.
Monitor thread while processing this update will remove the drive from
super only if it is a spare. It never removes failed member from
disks list. As a result, it still keeps opened descriptor to
non-existing device.
If removed drive is not a spare fill fd in disk_cfg structure
(prepared by managemon), monitor will close fd during freeing it.
Also set this drive fd to -1 in super to avoid double closing because
monitor will close the fd (if needed) while replacing removed drive
in array.
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@intel.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---
super-intel.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/super-intel.c b/super-intel.c
index d7e8a65..a103a3f 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -9200,6 +9200,9 @@ static int add_remove_disk_update(struct intel_super *super)
remove_disk_super(super,
disk_cfg->major,
disk_cfg->minor);
+ } else {
+ disk_cfg->fd = disk->fd;
+ disk->fd = -1;
}
}
/* release allocate disk structure */
--
2.7.5