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| author | Alexey Obitotskiy <aleksey.obitotskiy@intel.com> | 2016-06-23 12:11:01 +0200 |
|---|---|---|
| committer | Shaohua Li <shli@fb.com> | 2016-07-19 11:17:31 -0700 |
| commit | 4cb9da7d9c631514effa5e806f9de7c7c746c3a8 (patch) | |
| tree | 077f8129fd8276ec965e537326b53bea2d2bfeec /drivers/md/md.c | |
| parent | 0e3ef49eda5bae3aa75aa8c0276411bf0f27e03a (diff) | |
| download | op-kernel-dev-4cb9da7d9c631514effa5e806f9de7c7c746c3a8.zip op-kernel-dev-4cb9da7d9c631514effa5e806f9de7c7c746c3a8.tar.gz | |
Fix kernel module refcount handling
md loads raidX modules and increments module refcount each time level
has changed but does not decrement it. You are unable to unload raid0
module after reshape because raid0 reshape changes level to raid4
and back to raid0.
Signed-off-by: Aleksey Obitotskiy <aleksey.obitotskiy@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 4b8a264..29297e9 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3579,6 +3579,8 @@ level_store(struct mddev *mddev, const char *buf, size_t len) mddev->to_remove = &md_redundancy_group; } + module_put(oldpers->owner); + rdev_for_each(rdev, mddev) { if (rdev->raid_disk < 0) continue; |
