On Wed, Apr 16, 2014 at 05:02:32PM +0800, Qu Wenruo wrote:
> @@ -1704,10 +1720,14 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
>
> ret = 0;
>
> - /* Notify udev that device has changed */
> - if (bdev)
> + if (bdev) {
> + /* Notify udev that device has changed */
> btrfs_kobject_uevent(bdev, KOBJ_CHANGE);
>
> + /* Update ctime/mtime for device path for libblkid */
> + update_dev_time(device_path);
The change on the device comes after the uevent notification, is it
possible that the event is delivered and processed before the device
times are updated? I would say so.
> + }
> +
> error_brelse:
> brelse(bh);
> if (bdev)
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