[PATCH v2 1/4] common/btrfs: introduce _require_btrfs_send_version

[Anand Jain <anand.jain@oracle.com>]

Rename _require_btrfs_send_v2() to _require_btrfs_send_version() and
check if the Btrfs kernel supports the v3 stream.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
 common/btrfs    | 10 ++++++----
 tests/btrfs/281 |  2 +-
 tests/btrfs/284 |  2 +-
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/common/btrfs b/common/btrfs
index aa344706cd5f..ae13fb55cbc6 100644
--- a/common/btrfs
+++ b/common/btrfs
@@ -662,18 +662,20 @@ _require_btrfs_corrupt_block()
 	_require_command "$BTRFS_CORRUPT_BLOCK_PROG" btrfs-corrupt-block
 }
 
-_require_btrfs_send_v2()
+_require_btrfs_send_version()
 {
+	local version=$1
+
 	# Check first if btrfs-progs supports the v2 stream.
 	_require_btrfs_command send --compressed-data
 
 	# Now check the kernel support. If send_stream_version does not exists,
 	# then it's a kernel that only supports v1.
 	[ -f /sys/fs/btrfs/features/send_stream_version ] || \
-		_notrun "kernel does not support send stream v2"
+		_notrun "kernel does not support send stream $version"
 
-	[ $(cat /sys/fs/btrfs/features/send_stream_version) -gt 1 ] || \
-		_notrun "kernel does not support send stream v2"
+	[ $(cat /sys/fs/btrfs/features/send_stream_version) -ge $version ] || \
+		_notrun "kernel does not support send stream $version"
 }
 
 # Get the bytenr associated to a file extent item at a given file offset.
diff --git a/tests/btrfs/281 b/tests/btrfs/281
index 6407522567b8..ddc7d9e8b06d 100755
--- a/tests/btrfs/281
+++ b/tests/btrfs/281
@@ -22,7 +22,7 @@ _begin_fstest auto quick send compress clone fiemap
 _supported_fs btrfs
 _require_test
 _require_scratch_reflink
-_require_btrfs_send_v2
+_require_btrfs_send_version 2
 _require_xfs_io_command "fiemap"
 _require_fssum
 _require_btrfs_no_nodatacow
diff --git a/tests/btrfs/284 b/tests/btrfs/284
index c6692668f7fc..0df494bc8ab4 100755
--- a/tests/btrfs/284
+++ b/tests/btrfs/284
@@ -12,7 +12,7 @@ _begin_fstest auto quick send compress snapshot
 
 # Modify as appropriate.
 _supported_fs btrfs
-_require_btrfs_send_v2
+_require_btrfs_send_version 2
 _require_test
 # The size needed is variable as it depends on the specific randomized
 # operations from fsstress and on the value of $LOAD_FACTOR. But require at
-- 
2.39.3