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Diffstat (limited to 'Documentation/mkfs.btrfs.asciidoc')
| -rw-r--r-- | Documentation/mkfs.btrfs.asciidoc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/mkfs.btrfs.asciidoc b/Documentation/mkfs.btrfs.asciidoc index f69c529d..153bb87e 100644 --- a/Documentation/mkfs.btrfs.asciidoc +++ b/Documentation/mkfs.btrfs.asciidoc @@ -101,6 +101,17 @@ 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: This option may enlarge the image or file to ensure it's large enough to +contain the files from 'rootdir'. + +*--shrink*: +Shrink the filesystem to its minimal size, only works with *-r|--rootdir* +option. ++ +NOTE: If the destination is regular file, this option will also reduce the +file size. Or it will only reduce the filesystem available space. +Extra space will not be usable unless resized using 'btrfs filesystem resize'. *-O|--features <feature1>[,<feature2>...]*:: A list of filesystem features turned on at mkfs time. Not all features are |