File 0066-imsm-fill-working_disks-according-to-metad... of Package mdadm

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File 0066-imsm-fill-working_disks-according-to-metadata.patch of Package mdadm (Revision 2ce98c8b31e216796f4448a3a2d948c1)

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From 1e93d0d15913c3fa6d0de5af3fb5e4e3b3f068da Mon Sep 17 00:00:00 2001
From: Blazej Kucman <blazej.kucman@intel.com>
Date: Fri, 17 Jan 2020 15:24:04 +0100
Subject: [PATCH] imsm: fill working_disks according to metadata.
Git-commit: 1e93d0d15913c3fa6d0de5af3fb5e4e3b3f068da
Patch-mainline: mdadm-4.1+
References: jsc#SLE-10078, jsc#SLE-9348

Imsm tracks as "working_disk" each visible drive.
Assemble routine expects that the value will return count
of active member drives recorded in metadata.
As a side effect "--no-degraded" doesn't work correctly for imsm.
Align this field to others.
Added check, if the option --no-degraded is called with --scan.

Signed-off-by: Blazej Kucman <blazej.kucman@intel.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
Signed-off-by: Coly Li <colyli@suse.de>

---
 mdadm.c       | 9 ++++++---
 super-intel.c | 5 ++---
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/mdadm.c b/mdadm.c
index 256a97e..13dc24e 100644
--- a/mdadm.c
+++ b/mdadm.c
@@ -1485,9 +1485,12 @@ int main(int argc, char *argv[])
 			rv = Manage_stop(devlist->devname, mdfd, c.verbose, 0);
 		break;
 	case ASSEMBLE:
-		if (devs_found == 1 && ident.uuid_set == 0 &&
-		    ident.super_minor == UnSet && ident.name[0] == 0 &&
-		    !c.scan ) {
+		if (!c.scan && c.runstop == -1) {
+			pr_err("--no-degraded not meaningful without a --scan assembly.\n");
+			exit(1);
+		} else if (devs_found == 1 && ident.uuid_set == 0 &&
+			   ident.super_minor == UnSet && ident.name[0] == 0 &&
+			   !c.scan) {
 			/* Only a device has been given, so get details from config file */
 			struct mddev_ident *array_ident = conf_get_ident(devlist->devname);
 			if (array_ident == NULL) {
diff --git a/super-intel.c b/super-intel.c
index 5c1f759..47809bc 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -7946,7 +7946,8 @@ static struct mdinfo *container_content_imsm(struct supertype *st, char *subarra
 				skip = 1;
 			if (!skip && (ord & IMSM_ORD_REBUILD))
 				recovery_start = 0;
-
+			if (!(ord & IMSM_ORD_REBUILD))
+				this->array.working_disks++;
 			/*
 			 * if we skip some disks the array will be assmebled degraded;
 			 * reset resync start to avoid a dirty-degraded
@@ -7988,8 +7989,6 @@ static struct mdinfo *container_content_imsm(struct supertype *st, char *subarra
 				else
 					this->array.spare_disks++;
 			}
-			if (info_d->recovery_start == MaxSector)
-				this->array.working_disks++;
 
 			info_d->events = __le32_to_cpu(mpb->generation_num);
 			info_d->data_offset = pba_of_lba0(map);
-- 
2.25.0

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File 0066-imsm-fill-working_disks-according-to-metadata.patch of Package mdadm (Revision 2ce98c8b31e216796f4448a3a2d948c1)

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