src/patches/suse-2.6.27.39/patches.fixes/0007-md-write-bitmap-information-to-devices-that-are-unde.patch

   1 From 355a43e641b948a7b755cb4c2466ec548d5b495f Mon Sep 17 00:00:00 2001
   2 From: NeilBrown <neilb@suse.de>
   3 Date: Tue, 31 Mar 2009 14:27:02 +1100
   4 Subject: [PATCH] md: write bitmap information to devices that are undergoing recovery.
   5
   6 When we add some spares to an array and start recovery, and we have
   7 a bitmap which is stored 'internally' on all devices, we call
   8 bitmap_write_all to make sure the bitmap is correct on the new
   9 device(s).
  10 However that doesn't work as write_sb_page only writes to
  11 'In_sync' devices, and devices undergoing recovery are not
  12 'In_sync' until recovery finishes.
  13
  14 So extend write_sb_page (actually next_active_rdev) to include devices
  15 that are under recovery.
  16
  17 Signed-off-by: NeilBrown <neilb@suse.de>
  18 ---
  19  drivers/md/bitmap.c |    1 -
  20  1 file changed, 1 deletion(-)
  21
  22 --- linux-2.6.27-SLE11_BRANCH.orig/drivers/md/bitmap.c
  23 +++ linux-2.6.27-SLE11_BRANCH/drivers/md/bitmap.c
  24 @@ -265,7 +265,6 @@ static mdk_rdev_t *next_active_rdev(mdk_
  25         list_for_each_continue_rcu(pos, &mddev->disks) {
  26                 rdev = list_entry(pos, mdk_rdev_t, same_set);
  27                 if (rdev->raid_disk >= 0 &&
  28 -                   test_bit(In_sync, &rdev->flags) &&
  29                     !test_bit(Faulty, &rdev->flags)) {
  30                         /* this is a usable devices */
  31                         atomic_inc(&rdev->nr_pending);