diff options
| author | David Sterba <dsterba@suse.com> | 2016-05-17 16:13:44 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-06-01 14:56:56 +0200 |
| commit | 16570509f6b631e554113dacbff3fe051b0927af (patch) | |
| tree | 47479ed994c2bfa5d875346cc1ee6fab30bd0109 /Documentation | |
| parent | f34d10bbe92b52c87a82bd978a15df1532745f9f (diff) | |
btrfs-progs: docs: compression is disabled with nodatasum/nodatacow
Explicitly mention the constraints in all involved options.
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/btrfs-man5.asciidoc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/btrfs-man5.asciidoc b/Documentation/btrfs-man5.asciidoc index 6ce4c440..7dd323fa 100644 --- a/Documentation/btrfs-man5.asciidoc +++ b/Documentation/btrfs-man5.asciidoc @@ -139,6 +139,8 @@ NOTE: If compression is enabled, 'nodatacow' and 'nodatasum' are disabled. Enable data copy-on-write for newly created files. 'Nodatacow' implies 'nodatasum', and disables 'compression'. All files created under 'nodatacow' are also set the NOCOW file attribute (see `chattr`(1)). ++ +NOTE: If 'nodatacow' or 'nodatasum' are enabled, compression is disabled. *datasum*:: *nodatasum*:: @@ -148,6 +150,8 @@ Enable data checksumming for newly created files. 'Datasum' implies 'datacow', ie. the normal mode of operation. All files created under 'nodatasum' inherit the "no checksums" property, however there's no corresponding file attribute (see `chattr`(1)). ++ +NOTE: If 'nodatacow' or 'nodatasum' are enabled, compression is disabled. *degraded*:: (default: off) |