Rename range_tree_verify to range_tree_verify_not_present

The range_tree_verify function looks for a segment in a
range tree and panics if the segment is present on the
tree. This patch gives the function a more descriptive
name.

Reviewed-by: Matt Ahrens <[email protected]>
Reviewed-by: George Melikov <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Serapheim Dimitropoulos <[email protected]>
Closes #8327 

1 files changed, 8 insertions, 6 deletions

diff --git a/module/zfs/metaslab.c b/module/zfs/metaslab.c
index 20e7f0ed3..aeca0ed20 100644
--- a/module/zfs/metaslab.c
+++ b/module/zfs/metaslab.c
@@ -4256,14 +4256,16 @@ metaslab_check_free_impl(vdev_t *vd, uint64_t offset, uint64_t size)
 	msp = vd->vdev_ms[offset >> vd->vdev_ms_shift];
 
 	mutex_enter(&msp->ms_lock);
-	if (msp->ms_loaded)
-		range_tree_verify(msp->ms_allocatable, offset, size);
+	if (msp->ms_loaded) {
+		range_tree_verify_not_present(msp->ms_allocatable,
+		    offset, size);
+	}
 
-	range_tree_verify(msp->ms_freeing, offset, size);
-	range_tree_verify(msp->ms_checkpointing, offset, size);
-	range_tree_verify(msp->ms_freed, offset, size);
+	range_tree_verify_not_present(msp->ms_freeing, offset, size);
+	range_tree_verify_not_present(msp->ms_checkpointing, offset, size);
+	range_tree_verify_not_present(msp->ms_freed, offset, size);
 	for (int j = 0; j < TXG_DEFER_SIZE; j++)
-		range_tree_verify(msp->ms_defer[j], offset, size);
+		range_tree_verify_not_present(msp->ms_defer[j], offset, size);
 	mutex_exit(&msp->ms_lock);
 }