Author: markj
Date: Wed Jan 10 15:21:36 2018
New Revision: 327768
URL: https://svnweb.freebsd.org/changeset/base/327768

Log:
  Clarify the use of the gmirror flag mask constants.
  
  MFC after:    1 week
  Sponsored by: Dell EMC Isilon

Modified:
  head/sys/geom/mirror/g_mirror.h

Modified: head/sys/geom/mirror/g_mirror.h
==============================================================================
--- head/sys/geom/mirror/g_mirror.h     Wed Jan 10 14:59:19 2018        
(r327767)
+++ head/sys/geom/mirror/g_mirror.h     Wed Jan 10 15:21:36 2018        
(r327768)
@@ -62,6 +62,8 @@
 #define        G_MIRROR_DISK_FLAG_HARDCODED            0x0000000000000010ULL
 #define        G_MIRROR_DISK_FLAG_BROKEN               0x0000000000000020ULL
 #define        G_MIRROR_DISK_FLAG_CANDELETE            0x0000000000000040ULL
+
+/* Per-disk flags which are recorded in on-disk metadata. */
 #define        G_MIRROR_DISK_FLAG_MASK         (G_MIRROR_DISK_FLAG_DIRTY |     
\
                                         G_MIRROR_DISK_FLAG_SYNCHRONIZING | \
                                         G_MIRROR_DISK_FLAG_FORCE_SYNC | \
@@ -70,6 +72,8 @@
 
 #define        G_MIRROR_DEVICE_FLAG_NOAUTOSYNC 0x0000000000000001ULL
 #define        G_MIRROR_DEVICE_FLAG_NOFAILSYNC 0x0000000000000002ULL
+
+/* Mirror flags which are recorded in on-disk metadata. */
 #define        G_MIRROR_DEVICE_FLAG_MASK       
(G_MIRROR_DEVICE_FLAG_NOAUTOSYNC | \
                                         G_MIRROR_DEVICE_FLAG_NOFAILSYNC)
 
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