[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>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 5a479d692fac..1efe22a2d041 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1509,6 +1509,9 @@ static void raid1d(mddev_t *mddev)
                                                                          s<<9, conf->tmppage, READ) == 0)
                                                                 /* Well, this device is dead */
                                                                 md_error(mddev, rdev);
+                                                        else
+                                                                printk(KERN_INFO "raid1:%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));
                                                 }
                                         }
                                 } else {