diff options
| author | Guoqing Jiang <guoqing.jiang@cloud.ionos.com> | 2020-04-04 23:57:10 +0200 |
|---|---|---|
| committer | Song Liu <songliubraving@fb.com> | 2020-05-13 11:22:31 -0700 |
| commit | 78b990cf2822d1150a419c13be48e74aefa83f27 (patch) | |
| tree | 6191147cd6a3b8e71ba18f3c47e1aa1a8220fa04 /drivers/md/md.c | |
| parent | f6766ff6afff70e2aaf39e1511e16d471de7c3ae (diff) | |
md: flush md_rdev_misc_wq for HOT_ADD_DISK case
Since rdev->kobj is removed asynchronously, it is possible that the
rdev->kobj still exists when try to add the rdev again after rdev
is removed. But this path md_ioctl (HOT_ADD_DISK) -> hot_add_disk
-> bind_rdev_to_array missed it.
Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index f5dfa503fb6f..95b72e35b355 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7512,7 +7512,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode, } - if (cmd == ADD_NEW_DISK) + if (cmd == ADD_NEW_DISK || cmd == HOT_ADD_DISK) flush_rdev_wq(mddev); if (cmd == HOT_REMOVE_DISK) |