diff options
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 1f50fe2..015689a 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2360,14 +2360,6 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg) if (ret) return ret; - if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running, - 1)) { - pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n"); - mnt_drop_write_file(file); - return -EINVAL; - } - - mutex_lock(&root->fs_info->volume_mutex); vol_args = memdup_user(arg, sizeof(*vol_args)); if (IS_ERR(vol_args)) { ret = PTR_ERR(vol_args); @@ -2375,12 +2367,20 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg) } vol_args->name[BTRFS_PATH_NAME_MAX] = '\0'; - ret = btrfs_rm_device(root, vol_args->name); - kfree(vol_args); -out: + if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running, + 1)) { + ret = BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS; + goto out; + } + + mutex_lock(&root->fs_info->volume_mutex); + ret = btrfs_rm_device(root, vol_args->name); mutex_unlock(&root->fs_info->volume_mutex); atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0); + +out: + kfree(vol_args); mnt_drop_write_file(file); return ret; } |