From: Xiao Ni <xni@redhat.com>
Date: Tue, 15 Sep 2020 07:44:42 +0000 (+0800)
Subject: Don't create bitmap for raid5 with journal disk
X-Git-Tag: mdadm-4.2-rc1~42
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ce091724031e18f522994ffd1e5eb0dc404bcba;p=thirdparty%2Fmdadm.git

Don't create bitmap for raid5 with journal disk

Journal disk and bitmap can't exist at the same time. It needs to check if the raid
has a journal disk when creating bitmap.

Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---

diff --git a/Create.c b/Create.c
index 6f84e5b0..0efa19ca 100644
--- a/Create.c
+++ b/Create.c
@@ -542,6 +542,7 @@ int Create(struct supertype *st, char *mddev,
 	if (!s->bitmap_file &&
 	    s->level >= 1 &&
 	    st->ss->add_internal_bitmap &&
+	    s->journaldisks == 0 &&
 	    (s->consistency_policy != CONSISTENCY_POLICY_RESYNC &&
 	     s->consistency_policy != CONSISTENCY_POLICY_PPL) &&
 	    (s->write_behind || s->size > 100*1024*1024ULL)) {