On 2017/1/20 下午10:36, Geliang Tang wrote:
> To make the code clearer, use rb_entry() instead of container_of() to
> deal with rbtree.
>
> Signed-off-by: Geliang Tang <geliangtang@xxxxxxxxx>
> ---
> drivers/md/dm-bio-prison.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/md/dm-bio-prison.c b/drivers/md/dm-bio-prison.c
> index 03af174..a2c8a9e 100644
> --- a/drivers/md/dm-bio-prison.c
> +++ b/drivers/md/dm-bio-prison.c
> @@ -115,7 +115,7 @@ static int __bio_detain(struct dm_bio_prison *prison,
>
> while (*new) {
> struct dm_bio_prison_cell *cell =
> - container_of(*new, struct dm_bio_prison_cell, node);
> + rb_entry(*new, struct dm_bio_prison_cell, node);
>
> r = cmp_keys(key, &cell->key);
>
>
Acked-by: Coly Li <colyli@xxxxxxx>
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