btrfs-progs: Add a brief explanation of btrfs property in man 8 btrfs

As Chris reported at the following mail, although
btrfs property has its own manpage, man 8 btrfs-property,
there is no explanation about it in man 8 btrfs.

https://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg40134.html

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Reported-by: Chris Murphy <lists@colorremedies.com>
Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/Documentation/btrfs.txt b/Documentation/btrfs.txt
index 3bdc6b4..2ed8483 100644 (file)
--- a/Documentation/btrfs.txt
+++ b/Documentation/btrfs.txt
@@ -85,6 +85,10 @@ COMMANDS
        Replace btrfs devices. +
        See `btrfs-replace`(8) for details.
 
+*property*::
+       Get/set a property from/to a btrfs object. +
+       See `btrfs-property`(8) for details.
+
 EXIT STATUS
 -----------
 *btrfs* returns a zero exit status if it succeeds. Non zero is returned in
@@ -113,3 +117,4 @@ SEE ALSO
 `btrfs-quota`(8),
 `btrfs-qgroup`(8),
 `btrfs-replace`(8),
+`btrfs-property`(8),