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-rw-r--r--Documentation/btrfs-restore.txt26
1 files changed, 18 insertions, 8 deletions
diff --git a/Documentation/btrfs-restore.txt b/Documentation/btrfs-restore.txt
index d774343b..2fa28018 100644
--- a/Documentation/btrfs-restore.txt
+++ b/Documentation/btrfs-restore.txt
@@ -24,7 +24,7 @@ https://btrfs.wiki.kernel.org/index.php/Restore
OPTIONS
-------
-s::
-get snapshots.
+get snapshots, btrfs restore skips snapshots in default.
-x::
get extended attributes.
@@ -38,17 +38,17 @@ ignore errors.
-o::
overwrite directories/files in <path>.
--t <location>::
-use <location> to read root tree.
+-t <bytenr>::
+use <bytenr> to read root tree.
--f <offset>::
-use <offset> to read fs tree.
+-f <bytenr>::
+only restore files that are under specified root whose root bytenr is <bytenr>.
--u <block>::
-use given superblock mirror identified by <block>.
+-u <mirror>::
+use given superblock mirror identified by <mirror>, it can be 0,1,2.
-r <rootid>::
-use <rootid> as root objectid.
+only restore files that are under specified root whose objectid is <rootid>.
-d::
find dir.
@@ -56,6 +56,16 @@ find dir.
-l::
list tree roots.
+-D|--dry-run::
+dry run (only list files that would be recovered).
+
+--path-regex <regex>::
+restore only filenames matching regex, you have to use following syntax (possibly quoted):
+^/(|home(|/username(|/Desktop(|/.*))))$
+
+-c::
+ignore case (--path-regrex only).
+
EXIT STATUS
-----------
*btrfs restore* returns a zero exist status if it succeeds. Non zero is