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Subject[PATCH 012 of 13] md: Make 'reshape' a possible sync_action action.

This allows reshape to be triggerred via sysfs (which is the
only way to start it happening).

Signed-off-by: Neil Brown <neilb@suse.de>

### Diffstat output
./drivers/md/md.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff ./drivers/md/md.c~current~ ./drivers/md/md.c
--- ./drivers/md/md.c~current~ 2006-03-17 11:48:59.000000000 +1100
+++ ./drivers/md/md.c 2006-03-17 11:48:59.000000000 +1100
@@ -2242,7 +2242,14 @@ action_store(mddev_t *mddev, const char
return -EBUSY;
else if (cmd_match(page, "resync") || cmd_match(page, "recover"))
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
- else {
+ else if (cmd_match(page, "reshape")) {
+ int err;
+ if (mddev->pers->start_reshape == NULL)
+ return -EINVAL;
+ err = mddev->pers->start_reshape(mddev);
+ if (err)
+ return err;
+ } else {
if (cmd_match(page, "check"))
set_bit(MD_RECOVERY_CHECK, &mddev->recovery);
else if (cmd_match(page, "repair"))
-
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