Rename _require_btrfs() to _require_btrfs_command() to avoid
confusion, as all other _require_btrfs_* has a quite clear suffix,
like _require_btrfs_mkfs_feature() or _require_btrfs_fs_feature().
Also enhance _require_btrfs_command() to accept 2nd level commands
or options.
Options will be determined by the first "-" char. This is quite
useful for case like "btrfs inspect-internal dump-tree" and "btrfs
check --qgroup-report".
[eguan: make local vars in _require_btrfs_command "local"]
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
The behavior of different combinations of space_cache mount options
wasn't well defined, which led to a regression between my initial
patches adding the free space tree and the 4.5 release. Add a test to
exercise all of the meaningful permutations of clear_cache,
nospace_cache, and space_cache.
This is a regression test for Linux kernel commit "Btrfs: fix mount -o
clear_cache,space_cache=v2".
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
Qu Wenruo
Omar Sandoval