From 8d3da70b368875880921ccb5aafd5cdc0fe443c0 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 2 Jul 2019 15:24:32 +0200 Subject: [PATCH] btrfs-progs: docs: update fi du regarding recursion State that 'fi du' does descend to subvolumes. Issue: #185 Signed-off-by: David Sterba --- Documentation/btrfs-filesystem.asciidoc | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/btrfs-filesystem.asciidoc b/Documentation/btrfs-filesystem.asciidoc index 8c14227b..84efaa1a 100644 --- a/Documentation/btrfs-filesystem.asciidoc +++ b/Documentation/btrfs-filesystem.asciidoc @@ -146,8 +146,9 @@ described below. + Each argument to 'btrfs filesystem du' will have a 'set shared' value calculated for it. We define each 'set' as those files found by a -recursive search of an argument. The 'set shared' value -then is a sum of all shared space referenced by the set. +recursive search of an argument (recursion descends to subvolumes but not +mount points). The 'set shared' value then is a sum of all shared space +referenced by the set. + 'set shared' takes into account overlapping shared extents, hence it isn't as simple as adding up shared extents.