diff options
| author | Nick Terrell <terrelln@fb.com> | 2017-09-08 13:29:23 -0700 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-09-25 15:17:13 +0200 |
| commit | 717a8b1e5d1ba69154ef84b35be75c9cf7730e1d (patch) | |
| tree | 0f8d0e15f92171dc4cd7ed23ec789f50b83d486c /Documentation | |
| parent | 86529862e1ff1b1b27aafc207b75b0c851fbfd34 (diff) | |
btrfs-progs: Add zstd support
Adds zstd support to the btrfs program. An optional dependency on libzstd
>= 1.0.0 is added. Autoconf accepts `--enable-zstd' or `--disable-zstd' and
defaults to detecting if libzstd is present using `pkg-config'.
The patch is also available in my fork of btrfs-progs [1], which passes
Travis-CI with the new tests. The prebuilt binary is available there.
I haven't updated Android.mk.
[1] https://github.com/terrelln/btrfs-progs/tree/devel
Signed-off-by: Nick Terrell <terrelln@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/btrfs-filesystem.asciidoc | 2 | ||||
| -rw-r--r-- | Documentation/btrfs-man5.asciidoc | 8 | ||||
| -rw-r--r-- | Documentation/btrfs-property.asciidoc | 2 |
3 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/btrfs-filesystem.asciidoc b/Documentation/btrfs-filesystem.asciidoc index b60ef74b..41b30320 100644 --- a/Documentation/btrfs-filesystem.asciidoc +++ b/Documentation/btrfs-filesystem.asciidoc @@ -112,7 +112,7 @@ KiB, MiB, GiB, TiB, PiB, or EiB, respectively (case does not matter). be verbose, print file names as they're submitted for defragmentation -c[<algo>]:::: compress file contents while defragmenting. Optional argument selects the compression -algorithm, 'zlib' (default) or 'lzo'. Currently it's not possible to select no +algorithm, 'zlib' (default), 'lzo' or 'zstd'. Currently it's not possible to select no compression. See also section 'EXAMPLES'. -r:::: defragment files recursively in given directories diff --git a/Documentation/btrfs-man5.asciidoc b/Documentation/btrfs-man5.asciidoc index 8d9031f5..3981435e 100644 --- a/Documentation/btrfs-man5.asciidoc +++ b/Documentation/btrfs-man5.asciidoc @@ -118,7 +118,7 @@ but a warning is printed if it's more than 300 seconds (5 minutes). (default: off) + Control BTRFS file data compression. Type may be specified as 'zlib', -'lzo' or 'no' (for no compression, used for remounting). If no type +'lzo', 'zstd' or 'no' (for no compression, used for remounting). If no type is specified, 'zlib' is used. If 'compress-force' is specified, the compression will allways be attempted, but the data may end up uncompressed if the compression would make them larger. @@ -472,6 +472,12 @@ page size the 'lzo' compression has been used on the filesystem, either as a mount option or via *btrfs filesystem defrag*. +*compress_zstd*:: +(since: 4.14) ++ +the 'zstd' compression has been used on the filesystem, either as a mount option +or via *btrfs filesystem defrag*. + *default_subvol*:: (since: 2.6.34) + diff --git a/Documentation/btrfs-property.asciidoc b/Documentation/btrfs-property.asciidoc index 05ab0bc7..7ed6a7df 100644 --- a/Documentation/btrfs-property.asciidoc +++ b/Documentation/btrfs-property.asciidoc @@ -43,7 +43,7 @@ read-only flag of subvolume: true or false label:::: label of device compression:::: -compression setting for an inode: lzo, zlib, or "" (empty string) +compression setting for an inode: lzo, zlib, zstd, or "" (empty string) *list* [-t <type>] <object>:: Lists available properties with their descriptions for the given object. |