Gitweb:
https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=adbb0a8d5bd0f735a75...
Commit: adbb0a8d5bd0f735a756e32effcf0bddac0f6de7
Parent: 64a82a1c79a4aaef5359150f960932aee4df1982
Author: David Teigland <teigland(a)redhat.com>
AuthorDate: Mon Feb 3 11:33:30 2020 -0600
Committer: David Teigland <teigland(a)redhat.com>
CommitterDate: Mon Feb 3 11:33:30 2020 -0600
writecache: reject invalid high/low watermark setting
---
tools/lvconvert.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/lvconvert.c b/tools/lvconvert.c
index d0d277b..f6a329b 100644
--- a/tools/lvconvert.c
+++ b/tools/lvconvert.c
@@ -5504,6 +5504,12 @@ static int _get_writecache_settings(struct cmd_context *cmd, struct
writecache_s
}
}
+ if (settings->high_watermark_set && settings->low_watermark_set
&&
+ (settings->high_watermark <= settings->low_watermark)) {
+ log_error("High watermark must be greater than or equal to low watermark.");
+ return 0;
+ }
+
return 1;
}