package/zfs: bump version to 2.2.0

Removed backported patch:
- bc3f12bfac.patch

Updated ZFS test to pass this new version; drop the explicit /pool
mountpoint option to rely on the default location (which happens to be
/pool already).

Signed-off-by: José Luis Salvador Rufo <salvador.joseluis@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
[yann.morin.1998@free.fr:
  - needed on master to further bump to a data-corruption fix
]
(cherry picked from commit d153e58d13)
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

support/testing/tests/package/test_zfs.py

@@ -40,11 +40,11 @@ class TestZfsBase(infra.basetest.BRTest):
 
         cmds = [
             # Init
-            "modprobe zfs",
+            "modprobe zfs && sleep 2",
             "mount -o remount,size=132M /tmp",
             "fallocate -l 64M /tmp/container1.raw",
             "fallocate -l 64M /tmp/container2.raw",
-            "zpool create -m /pool pool raidz /tmp/container1.raw /tmp/container2.raw",
+            "zpool create pool raidz /tmp/container1.raw /tmp/container2.raw",
             "dd if=/dev/urandom bs=1M count=8 of=/pool/urandom",
             "sha256sum /pool/urandom > /tmp/urandom.sha256",
             # Check ZFS