[PATCH] md: include sector number in messages about corrected read errors
This is generally useful, but particularly helps see if it is the same sector
that always needs correcting, or different ones.
[akpm@osdl.org: fix printk warnings]
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 7f63628..016ddb8 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1492,6 +1492,10 @@
s<<9, conf->tmppage, READ) == 0)
/* Well, this device is dead */
md_error(mddev, rdev);
+ else
+ printk(KERN_INFO "raid10:%s: read error corrected (%d sectors at %llu on %s)\n",
+ mdname(mddev), s, (unsigned long long)(sect+rdev->data_offset), bdevname(rdev->bdev, b));
+
rdev_dec_pending(rdev, mddev);
rcu_read_lock();
}