libbtrfsutil: use top=0 as default for SubvolumeIterator()

Right now, we're defaulting to top=5 (i.e, all subvolumes). The
documented default is top=0 (i.e, only beneath the given path). This is
the expected behavior. Fix it and make the test cases cover it.

Reported-by: Jonathan Lemon <bsd@fb.com>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
master
Omar Sandoval 2018-11-13 23:46:56 -08:00 committed by David Sterba
parent 5d64c40240
commit 563affcd42
2 changed files with 3 additions and 1 deletions

View File

@ -525,7 +525,7 @@ static int SubvolumeIterator_init(SubvolumeIterator *self, PyObject *args,
static char *keywords[] = {"path", "top", "info", "post_order", NULL};
struct path_arg path = {.allow_fd = true};
enum btrfs_util_error err;
unsigned long long top = 5;
unsigned long long top = 0;
int info = 0;
int post_order = 0;
int flags = 0;

View File

@ -353,6 +353,7 @@ class TestSubvolume(BtrfsTestCase):
with self.subTest(type=type(arg)):
self.assertEqual(list(btrfsutil.SubvolumeIterator(arg)), subvols)
self.assertEqual(list(btrfsutil.SubvolumeIterator('.', top=0)), subvols)
self.assertEqual(list(btrfsutil.SubvolumeIterator('foo', top=5)), subvols)
self.assertEqual(list(btrfsutil.SubvolumeIterator('.', post_order=True)),
[('foo/bar/baz', 258),
@ -365,6 +366,7 @@ class TestSubvolume(BtrfsTestCase):
]
self.assertEqual(list(btrfsutil.SubvolumeIterator('.', top=256)), subvols)
self.assertEqual(list(btrfsutil.SubvolumeIterator('foo')), subvols)
self.assertEqual(list(btrfsutil.SubvolumeIterator('foo', top=0)), subvols)
os.rename('foo/bar/baz', 'baz')