If caching is enabled, the caching layer will guarantee data
consistency, so skip resync for unclean shutdown
Signed-off-by: Shaohua Li <shli@xxxxxx>
---
drivers/md/raid5.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 53f582d..52e016f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -6941,6 +6941,13 @@ static int run(struct mddev *mddev)
if (mddev->queue)
blk_queue_logical_block_size(mddev->queue, STRIPE_SIZE);
conf->skip_copy = 1;
+
+ if (mddev->recovery_cp == 0) {
+ printk(KERN_NOTICE
+ "md/raid:%s: skip resync with caching enabled\n",
+ mdname(mddev));
+ mddev->recovery_cp = MaxSector;
+ }
}
return 0;
--
1.8.1
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