@@ -15,6 +15,15 @@ DESCRIPTION
and the original filesystem image is accessible as from separate subvolume
named 'ext2_saved' as file image.
+WARNING: To ensure *btrfs-convert* be able to rollback btrfs, one should never
+execute *btrfs filesystem defragment* or *btrfs balance* command on the
+converted btrfs.
+
+NOTE: If one is satisfied with converted btrfs, and not longer wants to
+rollback to ext*, it is highly recommended to remove 'ext2_saved' subvolume
+and execute *btrfs filesystem defragment* and *btrfs balance* command on the
+converted btrfs.
+
OPTIONS
-------
-d|--no-datasum::
Although btrfs-convert can rollback converted btrfs, it still has some limitation to ensure rollback. Add a warning on the limitations. Also add a note for users who decides to go on with btrfs and don't need the rollback ability. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> --- Documentation/btrfs-convert.txt | 9 +++++++++ 1 file changed, 9 insertions(+)