[PATCH v4 2/3] common: Implement fiemap's range query check

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Allow for users of xfstest to assert the presence of fiemap's
range query capabilities by requesting the "ranged" parameter.

Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
---
 common/rc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/common/rc b/common/rc
index e2a8229..c98c224 100644
--- a/common/rc
+++ b/common/rc
@@ -2053,6 +2053,12 @@ _require_xfs_io_command()
 			-c "$command 4k 8k" $testfile 2>&1`
 		;;
 	"fiemap")
+		if echo "$param" | grep -q "ranged"; then
+			param=$(echo "$param" | sed "s/ranged//")
+			$XFS_IO_PROG -F -f -c "pwrite 0 5k" -c "fsync" $testfile > /dev/null 2>&1
+			lines=$($XFS_IO_PROG -c "fiemap 6k" $testfile 2>&1 | wc -l)
+			[ $lines -eq 1 ] || _notrun "xfs_io $command ranged support is missing"
+		fi
 		testio=`$XFS_IO_PROG -F -f -c "pwrite 0 20k" -c "fsync" \
 			-c "fiemap -v $param" $testfile 2>&1`
 		param_checked=1
-- 
2.7.4

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