mount option -o discard=sync 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@xxxxxxxxxx> --- tests/btrfs/220 | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/tests/btrfs/220 b/tests/btrfs/220 index 7207c6967793..a01b28a6e42f 100755 --- a/tests/btrfs/220 +++ b/tests/btrfs/220 @@ -263,9 +263,14 @@ test_revertible_options() test_roundtrip_mount "nodatasum" "nodatasum" "datasum" "$DEFAULT_OPTS" test_should_fail "discard=invalid" - test_roundtrip_mount "discard" "discard" "discard=sync" "discard" - test_roundtrip_mount "discard=async" "discard=async" "discard=sync" "discard" - test_roundtrip_mount "discard=sync" "discard" "nodiscard" "$DEFAULT_OPTS" + if [ "$enable_discard_sync" = true ]; then + test_roundtrip_mount "discard" "discard" "discard=sync" "discard" + test_roundtrip_mount "discard=async" "discard=async" "discard=sync" "discard" + test_roundtrip_mount "discard=sync" "discard" "nodiscard" "$DEFAULT_OPTS" + else + test_roundtrip_mount "discard" "discard" "discard" "discard" + test_roundtrip_mount "discard" "discard" "nodiscard" "$DEFAULT_OPTS" + fi test_roundtrip_mount "enospc_debug" "enospc_debug" "noenospc_debug" "$DEFAULT_OPTS" @@ -292,6 +297,13 @@ test_revertible_options() test_roundtrip_mount "notreelog" "notreelog" "treelog" "$DEFAULT_OPTS" } +# Find out if the running kernel supports the -o discard=sync option. +_scratch_mkfs >/dev/null +MOUNT_OPTIONS= +enable_discard_sync=false +_try_scratch_mount "-o discard=sync" > /dev/null 2>&1 && \ + { enable_discard_sync=true; _scratch_unmount; } + # real QA test starts here _scratch_mkfs >/dev/null -- 2.27.0