Original --rootdir parameter will shrink the filesystem to its minimal size, which is quite confusing for some users.
Add extra note for this behavior. Reported-by: Goffredo Baroncelli <kreij...@libero.it> Signed-off-by: Qu Wenruo <quwenruo.bt...@gmx.com> --- Documentation/mkfs.btrfs.asciidoc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/mkfs.btrfs.asciidoc b/Documentation/mkfs.btrfs.asciidoc index d53d9e26..8977761f 100644 --- a/Documentation/mkfs.btrfs.asciidoc +++ b/Documentation/mkfs.btrfs.asciidoc @@ -106,6 +106,9 @@ Please see the mount option 'discard' for that in `btrfs`(5). *-r|--rootdir <rootdir>*:: Populate the toplevel subvolume with files from 'rootdir'. This does not require root permissions and does not mount the filesystem. ++ +NOTE: Result btrfs will be shrink to it minimal size, exceeding space will not +be accessible unless resized. *-O|--features <feature1>[,<feature2>...]*:: A list of filesystem features turned on at mkfs time. Not all features are -- 2.14.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
