[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Mon, 3 Mar 2008 11:17:24 +1100
From: NeilBrown <neilb@...e.de>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 004 of 9] md: Clean up irregularity with raid autodetect.
When a raid1 array is stopped, all components currently get added
to the list for auto-detection. However we should really only add
components that were found by autodetection in the first place.
So add a flag to record that information, and use it.
Signed-off-by: Neil Brown <neilb@...e.de>
### Diffstat output
./drivers/md/md.c | 4 +++-
./include/linux/raid/md_k.h | 1 +
2 files changed, 4 insertions(+), 1 deletion(-)
diff .prev/drivers/md/md.c ./drivers/md/md.c
--- .prev/drivers/md/md.c 2008-02-22 15:46:10.000000000 +1100
+++ ./drivers/md/md.c 2008-02-22 15:46:25.000000000 +1100
@@ -1503,7 +1503,8 @@ static void export_rdev(mdk_rdev_t * rde
free_disk_sb(rdev);
list_del_init(&rdev->same_set);
#ifndef MODULE
- md_autodetect_dev(rdev->bdev->bd_dev);
+ if (test_bit(AutoDetected, &rdev->flags))
+ md_autodetect_dev(rdev->bdev->bd_dev);
#endif
unlock_rdev(rdev);
kobject_put(&rdev->kobj);
@@ -6025,6 +6026,7 @@ static void autostart_arrays(int part)
MD_BUG();
continue;
}
+ set_bit(AutoDetected, &rdev->flags);
list_add(&rdev->same_set, &pending_raid_disks);
i_passed++;
}
diff .prev/include/linux/raid/md_k.h ./include/linux/raid/md_k.h
--- .prev/include/linux/raid/md_k.h 2008-02-22 15:46:25.000000000 +1100
+++ ./include/linux/raid/md_k.h 2008-02-22 15:46:25.000000000 +1100
@@ -83,6 +83,7 @@ struct mdk_rdev_s
#define BarriersNotsupp 5 /* BIO_RW_BARRIER is not supported */
#define AllReserved 6 /* If whole device is reserved for
* one array */
+#define AutoDetected 7 /* added by auto-detect */
int desc_nr; /* descriptor index in the superblock */
int raid_disk; /* role of device in array */
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists