diff options
| -rw-r--r-- | include/linux/idr.h | 47 | ||||
| -rw-r--r-- | lib/idr.c | 49 |
2 files changed, 35 insertions, 61 deletions
diff --git a/include/linux/idr.h b/include/linux/idr.h index 8f4980db3524..ff44bc83f3cb 100644 --- a/include/linux/idr.h +++ b/include/linux/idr.h @@ -99,7 +99,6 @@ struct idr { void *idr_find(struct idr *idp, int id); int idr_pre_get(struct idr *idp, gfp_t gfp_mask); -int idr_get_new(struct idr *idp, void *ptr, int *id); int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id); int idr_for_each(struct idr *idp, int (*fn)(int id, void *p, void *data), void *data); @@ -109,6 +108,30 @@ void idr_remove(struct idr *idp, int id); void idr_destroy(struct idr *idp); void idr_init(struct idr *idp); +/** + * idr_get_new - allocate new idr entry + * @idp: idr handle + * @ptr: pointer you want associated with the id + * @id: pointer to the allocated handle + * + * Simple wrapper around idr_get_new_above() w/ @starting_id of zero. + */ +static inline int idr_get_new(struct idr *idp, void *ptr, int *id) +{ + return idr_get_new_above(idp, ptr, 0, id); +} + +/** + * 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))) + void __idr_remove_all(struct idr *idp); /* don't use */ /** @@ -149,7 +172,6 @@ struct ida { int ida_pre_get(struct ida *ida, gfp_t gfp_mask); int ida_get_new_above(struct ida *ida, int starting_id, int *p_id); -int ida_get_new(struct ida *ida, int *p_id); void ida_remove(struct ida *ida, int id); void ida_destroy(struct ida *ida); void ida_init(struct ida *ida); @@ -158,17 +180,18 @@ int ida_simple_get(struct ida *ida, unsigned int start, unsigned int end, gfp_t gfp_mask); 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 + * ida_get_new - allocate new ID + * @ida: idr handle + * @p_id: pointer to the allocated handle + * + * Simple wrapper around ida_get_new_above() w/ @starting_id of zero. */ -#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))) +static inline int ida_get_new(struct ida *ida, int *p_id) +{ + return ida_get_new_above(ida, 0, p_id); +} + +void __init idr_init_cache(void); #endif /* __IDR_H__ */ diff --git a/lib/idr.c b/lib/idr.c index 814c53ce0d41..282841b5a561 100644 --- a/lib/idr.c +++ b/lib/idr.c @@ -317,36 +317,6 @@ int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id) } EXPORT_SYMBOL(idr_get_new_above); -/** - * idr_get_new - allocate new idr entry - * @idp: idr handle - * @ptr: pointer you want associated with the id - * @id: pointer to the allocated handle - * - * If allocation from IDR's private freelist fails, idr_get_new_above() will - * return %-EAGAIN. The caller should retry the idr_pre_get() call to refill - * IDR's preallocation and then retry the idr_get_new_above() call. - * - * If the idr is full idr_get_new_above() will return %-ENOSPC. - * - * @id returns a value in the range %0 ... %0x7fffffff - */ -int idr_get_new(struct idr *idp, void *ptr, int *id) -{ - int rv; - - rv = idr_get_new_above_int(idp, ptr, 0); - /* - * This is a cheap hack until the IDR code can be fixed to - * return proper error values. - */ - if (rv < 0) - return _idr_rc_to_errno(rv); - *id = rv; - return 0; -} -EXPORT_SYMBOL(idr_get_new); - static void idr_remove_warning(int id) { printk(KERN_WARNING @@ -857,25 +827,6 @@ int ida_get_new_above(struct ida *ida, int starting_id, int *p_id) EXPORT_SYMBOL(ida_get_new_above); /** - * ida_get_new - allocate new ID - * @ida: idr handle - * @p_id: pointer to the allocated handle - * - * Allocate new ID. It should be called with any required locks. - * - * If memory is required, it will return %-EAGAIN, you should unlock - * and go back to the idr_pre_get() call. If the idr is full, it will - * return %-ENOSPC. - * - * @p_id returns a value in the range %0 ... %0x7fffffff. - */ -int ida_get_new(struct ida *ida, int *p_id) -{ - return ida_get_new_above(ida, 0, p_id); -} -EXPORT_SYMBOL(ida_get_new); - -/** * ida_remove - remove the given ID * @ida: ida handle * @id: ID to free |