This patch is against 2.6.37 (
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-2.6.37.y.git
, commit id 97b197f07d15dbcd53328e75754e2f947814c733 ) but I didn't
notice any changes in 2.6.38 though.
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 <coolthecold@xxxxxxxxx>
---
Documentation/md.txt | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/Documentation/md.txt b/Documentation/md.txt
index a81c7b4..8f8cb4f 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.
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