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-rw-r--r--drivers/md/raid5.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index a21dbd22a2fb..a8732955f130 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -7159,6 +7159,13 @@ static int raid5_run(struct mddev *mddev)
min_offset_diff = diff;
}
+ if ((test_bit(MD_HAS_JOURNAL, &mddev->flags) || journal_dev) &&
+ (mddev->bitmap_info.offset || mddev->bitmap_info.file)) {
+ pr_notice("md/raid:%s: array cannot have both journal and bitmap\n",
+ mdname(mddev));
+ return -EINVAL;
+ }
+
if (mddev->reshape_position != MaxSector) {
/* Check that we can continue the reshape.
* Difficulties arise if the stripe we would write to