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-rw-r--r--drivers/md/raid1.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
index 3cd18cfda2ad..aa6af37ca01b 100644
--- a/drivers/md/raid1.h
+++ b/drivers/md/raid1.h
@@ -123,6 +123,10 @@ struct r1bio_s {
#define R1BIO_IsSync 1
#define R1BIO_Degraded 2
#define R1BIO_BehindIO 3
+/* Set ReadError on bios that experience a readerror so that
+ * raid1d knows what to do with them.
+ */
+#define R1BIO_ReadError 4
/* For write-behind requests, we call bi_end_io when
* the last non-write-behind device completes, providing
* any write was successful. Otherwise we call when