aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/idr.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/idr.h')
-rw-r--r--include/linux/idr.h68
1 files changed, 51 insertions, 17 deletions
diff --git a/include/linux/idr.h b/include/linux/idr.h
index a6f38b5c34e4..2640c7e99e51 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -73,8 +73,6 @@ struct idr {
73 */ 73 */
74 74
75void *idr_find_slowpath(struct idr *idp, int id); 75void *idr_find_slowpath(struct idr *idp, int id);
76int idr_pre_get(struct idr *idp, gfp_t gfp_mask);
77int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id);
78void idr_preload(gfp_t gfp_mask); 76void idr_preload(gfp_t gfp_mask);
79int idr_alloc(struct idr *idp, void *ptr, int start, int end, gfp_t gfp_mask); 77int idr_alloc(struct idr *idp, void *ptr, int start, int end, gfp_t gfp_mask);
80int idr_for_each(struct idr *idp, 78int idr_for_each(struct idr *idp,
@@ -99,7 +97,7 @@ static inline void idr_preload_end(void)
99 97
100/** 98/**
101 * idr_find - return pointer for given id 99 * idr_find - return pointer for given id
102 * @idp: idr handle 100 * @idr: idr handle
103 * @id: lookup key 101 * @id: lookup key
104 * 102 *
105 * Return the pointer given the id it has been registered with. A %NULL 103 * Return the pointer given the id it has been registered with. A %NULL
@@ -120,19 +118,6 @@ static inline void *idr_find(struct idr *idr, int id)
120} 118}
121 119
122/** 120/**
123 * idr_get_new - allocate new idr entry
124 * @idp: idr handle
125 * @ptr: pointer you want associated with the id
126 * @id: pointer to the allocated handle
127 *
128 * Simple wrapper around idr_get_new_above() w/ @starting_id of zero.
129 */
130static inline int idr_get_new(struct idr *idp, void *ptr, int *id)
131{
132 return idr_get_new_above(idp, ptr, 0, id);
133}
134
135/**
136 * idr_for_each_entry - iterate over an idr's elements of a given type 121 * idr_for_each_entry - iterate over an idr's elements of a given type
137 * @idp: idr handle 122 * @idp: idr handle
138 * @entry: the type * to use as cursor 123 * @entry: the type * to use as cursor
@@ -143,7 +128,56 @@ static inline int idr_get_new(struct idr *idp, void *ptr, int *id)
143 entry != NULL; \ 128 entry != NULL; \
144 ++id, entry = (typeof(entry))idr_get_next((idp), &(id))) 129 ++id, entry = (typeof(entry))idr_get_next((idp), &(id)))
145 130
146void __idr_remove_all(struct idr *idp); /* don't use */ 131/*
132 * Don't use the following functions. These exist only to suppress
133 * deprecated warnings on EXPORT_SYMBOL()s.
134 */
135int __idr_pre_get(struct idr *idp, gfp_t gfp_mask);
136int __idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id);
137void __idr_remove_all(struct idr *idp);
138
139/**
140 * idr_pre_get - reserve resources for idr allocation
141 * @idp: idr handle
142 * @gfp_mask: memory allocation flags
143 *
144 * Part of old alloc interface. This is going away. Use
145 * idr_preload[_end]() and idr_alloc() instead.
146 */
147static inline int __deprecated idr_pre_get(struct idr *idp, gfp_t gfp_mask)
148{
149 return __idr_pre_get(idp, gfp_mask);
150}
151
152/**
153 * idr_get_new_above - allocate new idr entry above or equal to a start id
154 * @idp: idr handle
155 * @ptr: pointer you want associated with the id
156 * @starting_id: id to start search at
157 * @id: pointer to the allocated handle
158 *
159 * Part of old alloc interface. This is going away. Use
160 * idr_preload[_end]() and idr_alloc() instead.
161 */
162static inline int __deprecated idr_get_new_above(struct idr *idp, void *ptr,
163 int starting_id, int *id)
164{
165 return __idr_get_new_above(idp, ptr, starting_id, id);
166}
167
168/**
169 * idr_get_new - allocate new idr entry
170 * @idp: idr handle
171 * @ptr: pointer you want associated with the id
172 * @id: pointer to the allocated handle
173 *
174 * Part of old alloc interface. This is going away. Use
175 * idr_preload[_end]() and idr_alloc() instead.
176 */
177static inline int __deprecated idr_get_new(struct idr *idp, void *ptr, int *id)
178{
179 return __idr_get_new_above(idp, ptr, 0, id);
180}
147 181
148/** 182/**
149 * idr_remove_all - remove all ids from the given idr tree 183 * idr_remove_all - remove all ids from the given idr tree