[dm-devel] [PATCH] dm raid: avoid WARN_ON() in raid10_md_layout_to_format()
heinzm at redhat.com
heinzm at redhat.com
Thu Jul 13 15:33:22 UTC 2017
From: Heinz Mauelshagen <heinzm at redhat.com>
Signed-off-by: Heinz Mauelshagen <heinzm at redhat.com>
---
drivers/md/dm-raid.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 2e10c2f..b409015 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -564,9 +564,10 @@ static const char *raid10_md_layout_to_format(int layout)
if (__raid10_near_copies(layout) > 1)
return "near";
- WARN_ON(__raid10_far_copies(layout) < 2);
+ if (__raid10_far_copies(layout) > 1)
+ return "far";
- return "far";
+ return "unknown";
}
/* Return md raid10 algorithm for @name */
--
2.9.4
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