libblkid: improve UUID_SUB= description

Fixes: https://github.com/util-linux/util-linux/issues/3657
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libblkid/libblkid.3.adoc b/libblkid/libblkid.3.adoc
index 9c92bc5c7f4ada665288a9a58342d2fe8f12cdca..c589820c4266d4068a1c2e9970d341b1e86e6ceb 100644 (file)
--- a/libblkid/libblkid.3.adoc
+++ b/libblkid/libblkid.3.adoc
@@ -69,7 +69,7 @@ BLKID_SUBLKS_UUID::
 
 - UUID - filesystem UUID (lower case)
 
-- UUID_SUB - subvolume uuid (e.g. btrfs)
+- UUID_SUB - pool member UUID or device item UUID, etc. (e.g., zfs, btrfs, ...)
 
 - LOGUUID - external log UUID (e.g. xfs)
 

diff --git a/libblkid/src/superblocks/superblocks.c b/libblkid/src/superblocks/superblocks.c
index 0fd9cc5f6f70f98dd564b6083b05e1c33ae77c7a..89de67a033d690c0e71b75fa292900f10e03d534 100644 (file)
--- a/libblkid/src/superblocks/superblocks.c
+++ b/libblkid/src/superblocks/superblocks.c
@@ -48,7 +48,7 @@
  *
  * @UUID: filesystem UUID (lower case)
  *
- * @UUID_SUB: subvolume uuid (e.g. btrfs)
+ * @UUID_SUB: pool member UUID or device item UUID, etc. (e.g., zfs, btrfs, ...)
  *
  * @LOGUUID: external log UUID (e.g. xfs)
  *