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Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index d2c0bccca607..33ca36b37a6a 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2952,6 +2952,7 @@ static int balance_kthread(void *data) ret = btrfs_balance(fs_info->balance_ctl, NULL); } + atomic_set(&fs_info->mutually_exclusive_operation_running, 0); mutex_unlock(&fs_info->balance_mutex); mutex_unlock(&fs_info->volume_mutex); @@ -2974,6 +2975,7 @@ int btrfs_resume_balance_async(struct btrfs_fs_info *fs_info) return 0; } + WARN_ON(atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1)); tsk = kthread_run(balance_kthread, fs_info, "btrfs-balance"); if (IS_ERR(tsk)) return PTR_ERR(tsk); |