btrfs/220: nologreplay support older kernel

mount option -o rescue=nologreplay isn't supported on the older
kernel, make this test case older kernel compatible by checking if
the mount option is supported.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>

diff --git a/tests/btrfs/220 b/tests/btrfs/220
index a01b28a6e42f5c1e7fcb323fe0da6ca46ca7a503..9f2f07d723c4eb998b71c94e5e998196c3291984 100755 (executable)
--- a/tests/btrfs/220
+++ b/tests/btrfs/220
@@ -209,22 +209,30 @@ test_non_revertible_options()
 {
        test_mount_opt "degraded" "degraded"
 
-       # nologreplay should be used only with
+       # nologreplay should be used only with readonly
        test_should_fail "nologreplay"
-       test_mount_opt "nologreplay,ro" "ro,rescue=nologreplay"
 
-       # norecovery should be used only with. This options is an alias to nologreplay
+       # norecovery should be used only with readonly.
+       # This options is an alias to nologreplay
        test_should_fail "norecovery"
-       test_mount_opt "norecovery,ro" "ro,rescue=nologreplay"
+
+       if [ "$enable_rescue_nologreplay" = true ]; then
+               #rescue=nologreplay should be used only with readonly
+               test_should_fail "rescue=nologreplay"
+
+               test_mount_opt "nologreplay,ro" "ro,rescue=nologreplay"
+               test_mount_opt "norecovery,ro" "ro,rescue=nologreplay"
+               test_mount_opt "rescue=nologreplay,ro" "ro,rescue=nologreplay"
+       else
+               test_mount_opt "nologreplay,ro" "ro,nologreplay"
+               test_mount_opt "norecovery,ro" "ro,nologreplay"
+       fi
+
        test_mount_opt "rescan_uuid_tree" "rescan_uuid_tree"
        test_mount_opt "skip_balance" "skip_balance"
        test_mount_opt "user_subvol_rm_allowed" "user_subvol_rm_allowed"
 
        test_should_fail "rescue=invalid"
-
-       # nologreplay requires readonly
-       test_should_fail "rescue=nologreplay"
-       test_mount_opt "rescue=nologreplay,ro" "ro,rescue=nologreplay"
 }
 
 test_one_shot_options()
@@ -304,6 +312,10 @@ enable_discard_sync=false
 _try_scratch_mount "-o discard=sync" > /dev/null 2>&1 && \
        { enable_discard_sync=true; _scratch_unmount; }
 
+enable_rescue_nologreplay=false
+_try_scratch_mount "-o ro,rescue=nologreplay" > /dev/null 2>&1 && \
+       { enable_rescue_nologreplay=true; _scratch_unmount; }
+
 # real QA test starts here
 _scratch_mkfs >/dev/null