Re: [PATCH v3 10/11] net: sched: atomically check-allocate action

Jiri Pirko
2018-05-28T15:25:23Z

Sun, May 27, 2018 at 11:17:28PM CEST, vladbu@mellanox.com wrote:
>Implement function that atomically checks if action exists and either takes
>reference to it, or allocates idr slot for action index to prevent
>concurrent allocations of actions with same index. Use EBUSY error pointer
>to indicate that idr slot is reserved.
>
>Implement cleanup helper function that removes temporary error pointer from
>idr. (in case of error between idr allocation and insertion of newly
>created action to specified index)
>
>Refactor all action init functions to insert new action to idr using this
>API.
>
>Signed-off-by: Vlad Buslov <vladbu@mellanox.com>

Signed-off-by: Jiri Pirko <jiri@mellanox.com>