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-rw-r--r--man/man8/zdb.83
1 files changed, 2 insertions, 1 deletions
diff --git a/man/man8/zdb.8 b/man/man8/zdb.8
index 57403cba7..edbf28bf3 100644
--- a/man/man8/zdb.8
+++ b/man/man8/zdb.8
@@ -197,7 +197,8 @@ By default,
.Nm
verifies that all non-free blocks are referenced, which can be very expensive.
.It Fl m
-Display the offset, spacemap, and free space of each metaslab.
+Display the offset, spacemap, free space of each metaslab, all the log
+spacemaps and their obsolete entry statistics.
.It Fl mm
Also display information about the on-disk free space histogram associated with
each metaslab.