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idr: idr_for_each_entry() macro

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Inspired by the list_for_each_entry() macro
This commit is contained in:
Philipp Reisner 2011-07-20 14:59:37 +02:00
parent 6618bf1638
commit 9749f30f1a
1 changed files with 11 additions and 0 deletions
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11
include/linux/idr.h
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@ -152,4 +152,15 @@ void ida_simple_remove(struct ida *ida, unsigned int id);
void __init idr_init_cache(void); 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__ */ #endif /* __IDR_H__ */