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Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/btrfs-balance.asciidoc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/btrfs-balance.asciidoc b/Documentation/btrfs-balance.asciidoc index 9adf7784..92a37784 100644 --- a/Documentation/btrfs-balance.asciidoc +++ b/Documentation/btrfs-balance.asciidoc @@ -106,6 +106,12 @@ Balances only block groups with usage under the given percentage. The value of 0 is allowed and will clean up completely unused block groups, this should not require any new space allocated. You may want to use 'usage=0' in case balance is returnin ENOSPC and your filesystem is not too full. ++ +The argument may be a single value or a range. The single value *N* means *at +most N percent used*, equivalent to *..N* range syntax. Kernels prior to 4.4 +accept only the single value format. ++ +The minimum boundary is inclusive, maximum is exclusive. *devid=<id>*:: Balances only block groups which have at least one chunk on the given |