c8h4/btrfs-progs
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

btrfs-progs: prop: also allow "none" to disable compression

Browse source 
Some people were asking why disabling compression via properties is not
set by "none" instead. As this is purely userspace conversion to "" that
kernel accepts, let's add "none" as well for convenience.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-10-14 21:54:54 +09:00
parent df11e2787b
commit c0f7e29127
2 changed files with 3 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
Documentation/btrfs-property.asciidoc
View file

@ -43,7 +43,8 @@ read-only flag of subvolume: true or false
label::::
label of device
compression::::
compression setting for an inode: lzo, zlib, zstd, no, or "" (empty string). Both no and "" are for disabling compression.
compression algorithm for an inode, possible values: 'lzo', 'zlib', 'zstd'. To
disable compression use "" (empty string), 'no' or 'none'.
*list* [-t <type>] <object>::
Lists available properties with their descriptions for the given object.

2
props.c
View file

@ -143,7 +143,7 @@ static int prop_compression(enum prop_object_type type,
xattr_name[XATTR_BTRFS_PREFIX_LEN + strlen(name)] = '\0';
if (value) {
if (strcmp(value, "no") == 0)
if (strcmp(value, "no") == 0 || strcmp(value, "none") == 0)
value = "";
sret = fsetxattr(fd, xattr_name, value, strlen(value), 0);
} else {