Merge tag 'uuid-for-4.13-2' of git://git.infradead.org/users/hch/uuid

[linux.git] / drivers / md / md.h

diff --git a/drivers/md/md.h b/drivers/md/md.h
index 991f0fe2dcc684a7f0cb2c5c51902b3dc9a19af8..b50eb4ac1b8291444e1af5196b44f5c7da368842 100644 (file)
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -134,7 +134,9 @@ enum flag_bits {
        Faulty,                 /* device is known to have a fault */
        In_sync,                /* device is in_sync with rest of array */
        Bitmap_sync,            /* ..actually, not quite In_sync.  Need a
-                                * bitmap-based recovery to get fully in sync
+                                * bitmap-based recovery to get fully in sync.
+                                * The bit is only meaningful before device
+                                * has been passed to pers->hot_add_disk.
                                 */
        WriteMostly,            /* Avoid reading if at all possible */
        AutoDetected,           /* added by auto-detect */