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authormulhern <amulhern@redhat.com>2017-11-27 16:02:43 +0100
committerMike Snitzer <snitzer@redhat.com>2018-01-17 15:16:11 +0100
commit2bc8a61c696e41eef27ab7ff3bcfe75d2daf573a (patch)
tree7f34b5b1b40c5a4861c02b7f02b7252b94561d2e /Documentation/device-mapper
parentdm thin: fix documentation relative to low water mark threshold (diff)
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dm thin: document representation of <highest mapped sector> when there is none
Signed-off-by: mulhern <amulhern@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'Documentation/device-mapper')
-rw-r--r--Documentation/device-mapper/thin-provisioning.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/device-mapper/thin-provisioning.txt b/Documentation/device-mapper/thin-provisioning.txt
index ef639960b272..3852dade03e4 100644
--- a/Documentation/device-mapper/thin-provisioning.txt
+++ b/Documentation/device-mapper/thin-provisioning.txt
@@ -396,3 +396,6 @@ ii) Status
If the pool has encountered device errors and failed, the status
will just contain the string 'Fail'. The userspace recovery
tools should then be used.
+
+ In the case where <nr mapped sectors> is 0, there is no highest
+ mapped sector and the value of <highest mapped sector> is unspecified.