Gitweb:
https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=9b3458d5a945302a68e...
Commit: 9b3458d5a945302a68e4f5ed3011f01677411e9b
Parent: a2affffed558899af563b790eaf5112b8c7e5bd5
Author: David Teigland <teigland(a)redhat.com>
AuthorDate: Wed Dec 2 15:29:21 2020 -0600
Committer: David Teigland <teigland(a)redhat.com>
CommitterDate: Wed Dec 2 15:29:21 2020 -0600
man lvmcache: add writecache cleaner info
---
man/lvmcache.7_main | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/man/lvmcache.7_main b/man/lvmcache.7_main
index 37d0e3359..85d4d9e34 100644
--- a/man/lvmcache.7_main
+++ b/man/lvmcache.7_main
@@ -303,6 +303,16 @@ afterwards. Some underlying devices perform better with fua, some
with
nofua. Testing is necessary to determine which.
Applicable only to persistent memory.
+.IP \[bu] 2
+cleaner = 0|1
+
+Setting cleaner=1 enables the writecache cleaner mode in which data is
+gradually flushed from the cache. If this is done prior to detaching the
+writecache, then the splitcache command will have little or no flushing to
+perform. If not done beforehand, the splitcache command enables the
+cleaner mode and waits for flushing to complete before detaching the
+writecache. Adding cleaner=0 to the splitcache command will skip the
+cleaner mode, and any required flushing is performed in device suspend.
.SS dm-cache with separate data and metadata LVs