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    Subject[PATCH 027/118] idr: idr_for_each_entry() macro
    Date
    Inspired by the list_for_each_entry() macro
    ---
    include/linux/idr.h | 11 +++++++++++
    1 files changed, 11 insertions(+), 0 deletions(-)

    diff --git a/include/linux/idr.h b/include/linux/idr.h
    index 255491c..52a9da2 100644
    --- a/include/linux/idr.h
    +++ b/include/linux/idr.h
    @@ -152,4 +152,15 @@ void ida_simple_remove(struct ida *ida, unsigned int id);

    void __init idr_init_cache(void);

    +/**
    + * idr_for_each_entry - iterate over an idr's elements of a given type
    + * @idp: idr handle
    + * @entry: the type * to use as cursor
    + * @id: id entry's key
    + */
    +#define idr_for_each_entry(idp, entry, id) \
    + for (id = 0, entry = (typeof(entry))idr_get_next((idp), &(id)); \
    + entry != NULL; \
    + ++id, entry = (typeof(entry))idr_get_next((idp), &(id)))
    +
    #endif /* __IDR_H__ */
    --
    1.7.4.1


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