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From 6c9d9260633f2c8491985b0782cf0fbd7e51651b Mon Sep 17 00:00:00 2001
From: Logan Gunthorpe <logang@deltatee.com>
Date: Wed, 22 Jun 2022 14:25:11 -0600
Subject: [PATCH 36/52] mdadm: Fix mdadm -r remove option regression
The commit noted below globally adds a parameter to the -r option but missed
the fact that -r is used for another purpose: --remove.
After that commit, a command such as:
mdadm /dev/md0 -r /dev/loop0
will do nothing seeing the device parameter will be consumed as a
argument to the -r option; thus, there will only be one device
seen one the command line, devs_found will only be 1 and nothing will
happen.
This caused the 01r5integ and 01raid6integ tests to hang indefinitely
as mdadm did not remove the failed device. With the device not removed,
it would not be readded. Then the loop waiting for the array status to
change would loop forever.
This commit was recently reverted, but the legitimate fix for the
monitor operations was still not fixed. So add specific monitor
short ops to re-fix the --monitor -r option.
Fixes: 546047688e1c ("mdadm: fix coredump of mdadm --monitor -r")
Fixes: 190dc029b141 ("Revert "mdadm: fix coredump of mdadm --monitor -r"")
Cc: Wu Guanghao <wuguanghao3@huawei.com>
Cc: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
---
ReadMe.c | 1 +
mdadm.c | 1 +
mdadm.h | 1 +
3 files changed, 3 insertions(+)
diff --git a/ReadMe.c b/ReadMe.c
index bec1be9a..7518a32a 100644
--- a/ReadMe.c
+++ b/ReadMe.c
@@ -82,6 +82,7 @@ char Version[] = "mdadm - v" VERSION " - " VERS_DATE EXTRAVERSION "\n";
*/
char short_options[]="-ABCDEFGIQhVXYWZ:vqbc:i:l:p:m:n:x:u:c:d:z:U:N:sarfRSow1tye:k:";
+char short_monitor_options[]="-ABCDEFGIQhVXYWZ:vqbc:i:l:p:m:r:n:x:u:c:d:z:U:N:safRSow1tye:k:";
char short_bitmap_options[]=
"-ABCDEFGIQhVXYWZ:vqb:c:i:l:p:m:n:x:u:c:d:z:U:N:sarfRSow1tye:k:";
char short_bitmap_auto_options[]=
diff --git a/mdadm.c b/mdadm.c
index be40686c..d0c5e6de 100644
--- a/mdadm.c
+++ b/mdadm.c
@@ -227,6 +227,7 @@ int main(int argc, char *argv[])
shortopt = short_bitmap_auto_options;
break;
case 'F': newmode = MONITOR;
+ shortopt = short_monitor_options;
break;
case 'G': newmode = GROW;
shortopt = short_bitmap_options;
diff --git a/mdadm.h b/mdadm.h
index 974415b9..163f4a49 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -419,6 +419,7 @@ enum mode {
};
extern char short_options[];
+extern char short_monitor_options[];
extern char short_bitmap_options[];
extern char short_bitmap_auto_options[];
extern struct option long_options[];
--
2.31.1
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