It was reported in https://lore.kernel.org/linux-btrfs/e7ce9995-93cb-4904-875c-684d4494765f@web.de/
that compression does not happen on direct io files. This is incorrectly
documented that it works but this is not true. Compression works on
buffered writes and relies on page cache, while direct io avoids that
and takes a different path in code.
[ci skip]
Pull-request: #764
Author: HAN Yuwei <hrx@bupt.moe>
Signed-off-by: David Sterba <dsterba@suse.com>
- use :file: and :command:
- simplify manual page references
- add more web links
- typo fixes
- more cross-references
Signed-off-by: David Sterba <dsterba@suse.com>
RST format provides cross reference function that users can navigate
manual pages click. This patch is written by macro that replaces old
references to doc role in RST format.
Issue: #495
Signed-off-by: Sidong Yang <realwakka@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Question forwarded from wiki:
https://btrfs.wiki.kernel.org/index.php?title=Talk:Compression&diff=0&oldid=33545
(info few months old) higher levels: upstream and library has levels 1..22.
mapping to the upstream levels 1 to 15
As implemented in kernel zstd.c, max level is 15 and the level selection
is direct without any translation.
Pull-request: #442
Author: jtagcat <git-12dbd862@jtag.cat>
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
The feature pages share the contents with the manual page section 5 so
put the contents to separate files. Progress: 2/3.
Signed-off-by: David Sterba <dsterba@suse.com>
HAN Yuwei
David Sterba
Sidong Yang
jtagcat