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-rw-r--r--sys-utils/losetup.83
1 files changed, 3 insertions, 0 deletions
diff --git a/sys-utils/losetup.8 b/sys-utils/losetup.8
index 1172da414..b0b59226c 100644
--- a/sys-utils/losetup.8
+++ b/sys-utils/losetup.8
@@ -173,6 +173,9 @@ The following commands can be used as an example of using the loop device.
# umount /dev/loop0
# losetup --detach /dev/loop0
.fi
+.SH ENVIRONMENT
+.IP LOOPDEV_DEBUG=all
+enables debug output.
.SH AUTHORS
Karel Zak <kzak@redhat.com>, based on the original version from
Theodore Ts'o <tytso@athena.mit.edu>