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-rw-r--r--Documentation/btrfs-replace.asciidoc4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/btrfs-replace.asciidoc b/Documentation/btrfs-replace.asciidoc
index 5a14a40a..aae349ac 100644
--- a/Documentation/btrfs-replace.asciidoc
+++ b/Documentation/btrfs-replace.asciidoc
@@ -33,6 +33,10 @@ the path to the source device. If the source device is disconnected,
from the system, you have to use the devid parameter format.
The <targetdev> needs to be same size or larger than the <srcdev>.
+
+NOTE: the filesystem has to be resized to fully take advantage of a
+larger target device, this can be achieved with
+`btrfs filesystem resize <devid>:max /path`
++
`Options`
+
-r::::