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-rw-r--r--Documentation/device-mapper/cache-policies.txt6
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/device-mapper/cache-policies.txt b/Documentation/device-mapper/cache-policies.txt
index 66c2774c0c64..7746e5dbfd40 100644
--- a/Documentation/device-mapper/cache-policies.txt
+++ b/Documentation/device-mapper/cache-policies.txt
@@ -58,9 +58,9 @@ since spindles tend to have good bandwidth. The io_tracker counts
contiguous I/Os to try to spot when the io is in one of these sequential
modes.
-Internally the mq policy maintains a promotion threshold variable. If
-the hit count of a block not in the cache goes above this threshold it
-gets promoted to the cache. The read, write and discard promote adjustment
+Internally the mq policy determines a promotion threshold. If the hit
+count of a block not in the cache goes above this threshold it gets
+promoted to the cache. The read, write and discard promote adjustment
tunables allow you to tweak the promotion threshold by adding a small
value based on the io type. They default to 4, 8 and 1 respectively.
If you're trying to quickly warm a new cache device you may wish to