[PATCH 3/4] dm era: Use correct value size in equality function of writeset tree

[Nikos Tsironis <ntsironis@xxxxxxxxxxx>]

Fix the writeset tree equality test function to use the right value size
when comparing two btree values.

Fixes: eec40579d84873 ("dm: add era target")
Cc: stable@xxxxxxxxxxxxxxx # v3.15+
Signed-off-by: Nikos Tsironis <ntsironis@xxxxxxxxxxx>
---
 drivers/md/dm-era-target.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-era-target.c b/drivers/md/dm-era-target.c
index ffbbd8740253..104fb110cd4e 100644
--- a/drivers/md/dm-era-target.c
+++ b/drivers/md/dm-era-target.c
@@ -389,7 +389,7 @@ static void ws_dec(void *context, const void *value)
 
 static int ws_eq(void *context, const void *value1, const void *value2)
 {
-	return !memcmp(value1, value2, sizeof(struct writeset_metadata));
+	return !memcmp(value1, value2, sizeof(struct writeset_disk));
 }
 
 /*----------------------------------------------------------------*/
-- 
2.11.0

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