master - man: lvmcache writecache watermark percent

[David Teigland]

Gitweb:        https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=64a82a1c79a4aaef535915...
Commit:        64a82a1c79a4aaef5359150f960932aee4df1982
Parent:        bddbbcb98ca135b91aa688c04c1c8be7d76a2bd1
Author:        David Teigland 
AuthorDate:    Mon Feb 3 11:21:24 2020 -0600
Committer:     David Teigland 
CommitterDate: Mon Feb 3 11:21:24 2020 -0600

man: lvmcache writecache watermark percent

---
 man/lvmcache.7_main | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/man/lvmcache.7_main b/man/lvmcache.7_main
index fb91be8..d8e8dc7 100644
--- a/man/lvmcache.7_main
+++ b/man/lvmcache.7_main
@@ -221,14 +221,14 @@ $ lvconvert --type writecache --cachevol fast \
 Tunable options are:

.IP [bu] 2
-high_watermark = <count>
+high_watermark = <percent>

-Start writeback when the number of used blocks reach this watermark
+Start writeback when the writecache usage reaches this percent (0-100).

.IP [bu] 2
-low_watermark = <count>
+low_watermark = <percent>

-Stop writeback when the number of used blocks drops below this watermark
+Stop writeback when the writecache usage reaches this percent (0-100).

.IP [bu] 2
 writeback_jobs = <count>