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Commit 28a83978 authored by CoolCold's avatar CoolCold Committed by NeilBrown
Browse files

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: default avatarRoman Ovchinnikov <coolthecold@gmail.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent fee68723

Documentation/md.txt

+10 −0
Original line number Diff line number Diff line
@@ -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.