mdadm: fix testcase 00multipath failure

After upgrade to 4.2, mdadm's testcase 00multipath failed,
because a bug in 4.2 makes "-r" not work in manage mode.

(From OE-Core rev: 8a815877b0fac30f379a7387966b8a0c7ffe753e)

Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 75 insertions, 0 deletions

diff --git a/meta/recipes-extended/mdadm/files/0001-Fix-parsing-of-r-in-monitor-manager-mode.patch b/meta/recipes-extended/mdadm/files/0001-Fix-parsing-of-r-in-monitor-manager-mode.patch
new file mode 100644
index 0000000000..3fb46cc60a
--- /dev/null
+++ b/meta/recipes-extended/mdadm/files/0001-Fix-parsing-of-r-in-monitor-manager-mode.patch
@@ -0,0 +1,74 @@
+From 969fbb35e40100f599d4a9781911251f21792698 Mon Sep 17 00:00:00 2001
+From: Changqing Li <changqing.li@windriver.com>
+Date: Thu, 27 Jan 2022 17:53:01 +0800
+Subject: [PATCH] Fix parsing of "-r" in monitor/manager mode
+
+This revert commit 546047688e1 [mdadm: fix coredump of mdadm --monitor
+-r], and fix the coredump issue of 'mdadm --monitor -r'.
+
+commit 546047688e1 make -r not work in manager mode, and testcase
+00multipath failed.
+
+Upstream-Status: Submitted [send to maintainer jsorensen@fb.com]
+
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
+
+---
+ ReadMe.c | 8 +++++---
+ mdadm.c  | 2 ++
+ mdadm.h  | 1 +
+ 3 files changed, 8 insertions(+), 3 deletions(-)
+
+diff --git a/ReadMe.c b/ReadMe.c
+index 8139976..070eea5 100644
+--- a/ReadMe.c
++++ b/ReadMe.c
+@@ -81,11 +81,13 @@ char Version[] = "mdadm - v" VERSION " - " VERS_DATE EXTRAVERSION "\n";
+  *     found, it is started.
+  */
+ 
+-char short_options[]="-ABCDEFGIQhVXYWZ:vqbc:i:l:p:m:r:n:x:u:c:d:z:U:N:safRSow1tye:k";
++char short_options[]="-ABCDEFGIQhVXYWZ:vqbc:i:l:p:m:n:x:u:c:d:z:U:N:sarfRSow1tye:k:";
+ char short_bitmap_options[]=
+-               "-ABCDEFGIQhVXYWZ:vqb:c:i:l:p:m:r:n:x:u:c:d:z:U:N:sarfRSow1tye:k:";
++                       "-ABCDEFGIQhVXYWZ:vqb:c:i:l:p:m:n:x:u:c:d:z:U:N:sarfRSow1tye:k:";
+ char short_bitmap_auto_options[]=
+-               "-ABCDEFGIQhVXYWZ:vqb:c:i:l:p:m:r:n:x:u:c:d:z:U:N:sa:rfRSow1tye:k:";
++                       "-ABCDEFGIQhVXYWZ:vqb:c:i:l:p:m:n:x:u:c:d:z:U:N:sa:rfRSow1tye:k:";
++char short_increment_options[]=
++                       "-ABCDEFGIQhVXYWZ:vqbc:i:l:r:p:m:n:x:u:c:d:z:U:N:safRSow1tye:k:";
+ 
+ struct option long_options[] = {
+     {"manage",    0, 0, ManageOpt},
+diff --git a/mdadm.c b/mdadm.c
+index 26299b2..2a3b2ee 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_increment_options;
+                        break;
+                case 'G': newmode = GROW;
+                        shortopt = short_bitmap_options;
+@@ -268,6 +269,7 @@ int main(int argc, char *argv[])
+ 
+                case NoSharing:
+                        newmode = MONITOR;
++                       shortopt = short_increment_options;
+                        break;
+                }
+                if (mode && newmode == mode) {
+diff --git a/mdadm.h b/mdadm.h
+index ecfc137..42148dd 100644
+--- a/mdadm.h
++++ b/mdadm.h
+@@ -421,6 +421,7 @@ enum mode {
+ extern char short_options[];
+ extern char short_bitmap_options[];
+ extern char short_bitmap_auto_options[];
++extern char short_increment_options[];
+ extern struct option long_options[];
+ extern char Version[], Usage[], Help[], OptionHelp[],
+        *mode_help[],
diff --git a/meta/recipes-extended/mdadm/mdadm_4.2.bb b/meta/recipes-extended/mdadm/mdadm_4.2.bb
index fa51364283..e3bbb4cf33 100644
--- a/meta/recipes-extended/mdadm/mdadm_4.2.bb
+++ b/meta/recipes-extended/mdadm/mdadm_4.2.bb
@@ -22,6 +22,7 @@ SRC_URI = "${KERNELORG_MIRROR}/linux/utils/raid/mdadm/${BPN}-${PV}.tar.xz \
            file://0001-mdadm-add-option-y-for-use-syslog-to-recive-event-re.patch \
            file://include_sysmacros.patch \
            file://0001-mdadm-skip-test-11spare-migration.patch \
+           file://0001-Fix-parsing-of-r-in-monitor-manager-mode.patch \
            "
 
 SRC_URI[sha256sum] = "461c215670864bb74a4d1a3620684aa2b2f8296dffa06743f26dda5557acf01d"