mdadm/SOURCES/0112-mdopen-always-try-create_named_array.patch

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2023-09-21 19:25:27 +00:00
From 2e10c46d0906b1a1ec40e8f5005ccb63125dcd9e Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Tue, 14 Mar 2023 11:06:25 +1100
Subject: [PATCH 112/125] mdopen: always try create_named_array()
mdopen() will use create_named_array() to ask the kernel to create the
given md array, but only if it is given a number or name.
If it is NOT given a name and is required to choose one itself using
find_free_devnm() it does NOT use create_named_array().
On kernels with CONFIG_BLOCK_LEGACY_AUTOLOAD not set, this can result in
failure to assemble an array. This can particularly seen when the
"name" of the array begins with a host name different to the name of the
host running the command.
So add the missing call to create_named_array().
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217074
Signed-off-by: NeilBrown <neilb@suse.de>
Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
---
mdopen.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/mdopen.c b/mdopen.c
index d18c9319..810f79a3 100644
--- a/mdopen.c
+++ b/mdopen.c
@@ -370,6 +370,7 @@ int create_mddev(char *dev, char *name, int autof, int trustworthy,
}
if (block_udev)
udev_block(devnm);
+ create_named_array(devnm);
}
sprintf(devname, "/dev/%s", devnm);
--
2.38.1