On Mon, 11 Aug 2014 17:42:53 +0800, Anand Jain wrote:
> There is no logical change in this patch, just a preparatory patch,
> so that changes can be easily reasoned.
>
> Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
> ---
> fs/btrfs/volumes.c | 14 +++++++++-----
> 1 file changed, 9 insertions(+), 5 deletions(-)
>
> diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
> index 5f634b6..5fd0132 100644
> --- a/fs/btrfs/volumes.c
> +++ b/fs/btrfs/volumes.c
> @@ -1960,19 +1960,23 @@ error_undo:
> void btrfs_rm_dev_replace_srcdev(struct btrfs_fs_info *fs_info,
> struct btrfs_device *srcdev)
> {
> + struct btrfs_fs_devices *fs_devices;
> +
> WARN_ON(!mutex_is_locked(&fs_info->fs_devices->device_list_mutex));
>
> + fs_devices = fs_info->fs_devices;
> +
> list_del_rcu(&srcdev->dev_list);
> list_del_rcu(&srcdev->dev_alloc_list);
> - fs_info->fs_devices->num_devices--;
> + fs_devices->num_devices--;
> if (srcdev->missing) {
> - fs_info->fs_devices->missing_devices--;
> - fs_info->fs_devices->rw_devices++;
> + fs_devices->missing_devices--;
> + fs_devices->rw_devices++;
> }
> if (srcdev->can_discard)
> - fs_info->fs_devices->num_can_discard--;
> + fs_devices->num_can_discard--;
> if (srcdev->bdev) {
> - fs_info->fs_devices->open_devices--;
> + fs_devices->open_devices--;
>
> /*
> * zero out the old super if it is not writable
>
Reviewed-by: Miao Xie <miaox@xxxxxxxxxxxxxx>
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