From 1346638e5f80588dfafbf07315f72b84c2ab1113 Mon Sep 17 00:00:00 2001 From: mulhern Date: Mon, 27 Nov 2017 10:02:42 -0500 Subject: dm cache: be consistent in specifying sectors and SI units in cache.txt Signed-off-by: mulhern Signed-off-by: Mike Snitzer --- Documentation/device-mapper/cache.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'Documentation/device-mapper') diff --git a/Documentation/device-mapper/cache.txt b/Documentation/device-mapper/cache.txt index 0435244..79c7b6d 100644 --- a/Documentation/device-mapper/cache.txt +++ b/Documentation/device-mapper/cache.txt @@ -59,7 +59,7 @@ Fixed block size The origin is divided up into blocks of a fixed size. This block size is configurable when you first create the cache. Typically we've been using block sizes of 256KB - 1024KB. The block size must be between 64 -(32KB) and 2097152 (1GB) and a multiple of 64 (32KB). +sectors (32KB) and 2097152 sectors (1GB) and a multiple of 64 sectors (32KB). Having a fixed block size simplifies the target a lot. But it is something of a compromise. For instance, a small part of a block may be @@ -119,7 +119,7 @@ doing here to avoid migrating during those peak io moments. For the time being, a message "migration_threshold <#sectors>" can be used to set the maximum number of sectors being migrated, -the default being 204800 sectors (or 100MB). +the default being 204800 sectors (100MB). Updating on-disk metadata ------------------------- -- cgit v1.1