From 28a8397852011e323d16a1eecd4787d72b7b9a9e Mon Sep 17 00:00:00 2001 From: CoolCold Date: Wed, 20 Apr 2011 15:40:01 +1000 Subject: [PATCH] md: Update documentation for sync_min and sync_max entries linux/Documentation/md.txt is missing description for sync_min and sync_max entries. This patch adds description for sync_min and sync_max entries. Signed-off-by: Roman Ovchinnikov Signed-off-by: NeilBrown --- Documentation/md.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/md.txt b/Documentation/md.txt index a81c7b4790f2..2366b1c8cf19 100644 --- a/Documentation/md.txt +++ b/Documentation/md.txt @@ -552,6 +552,16 @@ also have within the array where IO will be blocked. This is currently only supported for raid4/5/6. + sync_min + sync_max + The two values, given as numbers of sectors, indicate a range + withing the array where 'check'/'repair' will operate. Must be + a multiple of chunk_size. When it reaches "sync_max" it will + pause, rather than complete. + You can use 'select' or 'poll' on "sync_completed" to wait for + that number to reach sync_max. Then you can either increase + "sync_max", or can write 'idle' to "sync_action". + Each active md device may also have attributes specific to the personality module that manages it. -- 2.30.2