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authorMatthew Wilcox <mawilcox@microsoft.com>2017-11-28 23:39:51 +0300
committerMatthew Wilcox <mawilcox@microsoft.com>2018-02-07 00:41:28 +0300
commit7a4575778f4db109b8b78e6dba03271096793f88 (patch)
treeee9906456c359338a5e159066d383697830ae17a /include/linux/idr.h
parent460488c58ca8b9167463ac22ec9a2e33db351962 (diff)
downloadlinux-7a4575778f4db109b8b78e6dba03271096793f88.tar.xz
idr: Rename idr_for_each_entry_ext
Most places in the kernel that we need to distinguish functions by the type of their arguments, we use '_ul' as a suffix for the unsigned long variant, not '_ext'. Also add kernel-doc. Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Diffstat (limited to 'include/linux/idr.h')
-rw-r--r--include/linux/idr.h52
1 files changed, 32 insertions, 20 deletions
diff --git a/include/linux/idr.h b/include/linux/idr.h
index fa2a04b984df..95a82cf2ed02 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -88,7 +88,7 @@ int idr_alloc_cyclic(struct idr *, void *entry, int start, int end, gfp_t);
int idr_for_each(const struct idr *,
int (*fn)(int id, void *p, void *data), void *data);
void *idr_get_next(struct idr *, int *nextid);
-void *idr_get_next_ext(struct idr *idr, unsigned long *nextid);
+void *idr_get_next_ul(struct idr *, unsigned long *nextid);
void *idr_replace(struct idr *, void *, unsigned long id);
void idr_destroy(struct idr *);
@@ -121,16 +121,18 @@ static inline void idr_preload_end(void)
}
/**
- * idr_find - return pointer for given id
- * @idr: idr handle
- * @id: lookup key
+ * idr_find() - Return pointer for given ID.
+ * @idr: IDR handle.
+ * @id: Pointer ID.
*
- * Return the pointer given the id it has been registered with. A %NULL
- * return indicates that @id is not valid or you passed %NULL in
- * idr_get_new().
+ * Looks up the pointer associated with this ID. A %NULL pointer may
+ * indicate that @id is not allocated or that the %NULL pointer was
+ * associated with this ID.
*
* This function can be called under rcu_read_lock(), given that the leaf
* pointers lifetimes are correctly managed.
+ *
+ * Return: The pointer associated with this ID.
*/
static inline void *idr_find(const struct idr *idr, unsigned long id)
{
@@ -138,28 +140,38 @@ static inline void *idr_find(const struct idr *idr, unsigned long id)
}
/**
- * idr_for_each_entry - iterate over an idr's elements of a given type
- * @idr: idr handle
- * @entry: the type * to use as cursor
- * @id: id entry's key
+ * idr_for_each_entry() - Iterate over an IDR's elements of a given type.
+ * @idr: IDR handle.
+ * @entry: The type * to use as cursor
+ * @id: Entry ID.
*
* @entry and @id do not need to be initialized before the loop, and
- * after normal terminatinon @entry is left with the value NULL. This
+ * after normal termination @entry is left with the value NULL. This
* is convenient for a "not found" value.
*/
#define idr_for_each_entry(idr, entry, id) \
for (id = 0; ((entry) = idr_get_next(idr, &(id))) != NULL; ++id)
-#define idr_for_each_entry_ext(idr, entry, id) \
- for (id = 0; ((entry) = idr_get_next_ext(idr, &(id))) != NULL; ++id)
/**
- * idr_for_each_entry_continue - continue iteration over an idr's elements of a given type
- * @idr: idr handle
- * @entry: the type * to use as cursor
- * @id: id entry's key
+ * idr_for_each_entry_ul() - Iterate over an IDR's elements of a given type.
+ * @idr: IDR handle.
+ * @entry: The type * to use as cursor.
+ * @id: Entry ID.
+ *
+ * @entry and @id do not need to be initialized before the loop, and
+ * after normal termination @entry is left with the value NULL. This
+ * is convenient for a "not found" value.
+ */
+#define idr_for_each_entry_ul(idr, entry, id) \
+ for (id = 0; ((entry) = idr_get_next_ul(idr, &(id))) != NULL; ++id)
+
+/**
+ * idr_for_each_entry_continue() - Continue iteration over an IDR's elements of a given type
+ * @idr: IDR handle.
+ * @entry: The type * to use as a cursor.
+ * @id: Entry ID.
*
- * Continue to iterate over list of given type, continuing after
- * the current position.
+ * Continue to iterate over entries, continuing after the current position.
*/
#define idr_for_each_entry_continue(idr, entry, id) \
for ((entry) = idr_get_next((idr), &(id)); \