| commit | 816b0acf3deb6d6be5d0519b286fdd4bafade905 | [log] [tgz] |
|---|---|---|
| author | Wei Fang <fangwei1@huawei.com> | Mon Mar 21 19:18:32 2016 +0800 |
| committer | Shaohua Li <shli@fb.com> | Thu Mar 31 10:04:17 2016 -0700 |
| tree | 0b24951e8a0534dfc786a0fdd6faf1fd1459646e | |
| parent | c05c2ec96bb8b7310da1055c7b9d786a3ec6dc0c [diff] |
md:raid1: fix a dead loop when read from a WriteMostly disk If first_bad == this_sector when we get the WriteMostly disk in read_balance(), valid disk will be returned with zero max_sectors. It'll lead to a dead loop in make_request(), and OOM will happen because of endless allocation of struct bio. Since we can't get data from this disk in this case, so continue for another disk. Signed-off-by: Wei Fang <fangwei1@huawei.com> Signed-off-by: Shaohua Li <shli@fb.com>