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| author | Shaohua Li <shli@fb.com> | 2018-10-14 17:05:07 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-13 11:09:00 -0800 |
| commit | 589c375032fc7e0d90ba554f2f16414401034eb3 (patch) | |
| tree | a67a18b7e9d389b85fb42676968b47222585b6b1 /drivers/md/raid10.c | |
| parent | fcd90d7dea56f968cc540ba5b500700449799be8 (diff) | |
| download | linux-stable-589c375032fc7e0d90ba554f2f16414401034eb3.tar.gz linux-stable-589c375032fc7e0d90ba554f2f16414401034eb3.tar.bz2 linux-stable-589c375032fc7e0d90ba554f2f16414401034eb3.zip | |
MD: fix invalid stored role for a disk - try2
commit 9e753ba9b9b405e3902d9f08aec5f2ea58a0c317 upstream.
Commit d595567dc4f0 (MD: fix invalid stored role for a disk) broke linear
hotadd. Let's only fix the role for disks in raid1/10.
Based on Guoqing's original patch.
Reported-by: kernel test robot <rong.a.chen@intel.com>
Cc: Gioh Kim <gi-oh.kim@profitbricks.com>
Cc: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md/raid10.c')
| -rw-r--r-- | drivers/md/raid10.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index d6f7978b4449..811427e53126 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1808,6 +1808,7 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev) first = last = rdev->raid_disk; if (rdev->saved_raid_disk >= first && + rdev->saved_raid_disk < conf->geo.raid_disks && conf->mirrors[rdev->saved_raid_disk].rdev == NULL) mirror = rdev->saved_raid_disk; else |