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| author | Matthew Wilcox <mawilcox@microsoft.com> | 2017-11-28 15:39:51 -0500 |
|---|---|---|
| committer | Matthew Wilcox <mawilcox@microsoft.com> | 2018-02-06 16:41:28 -0500 |
| commit | 7a4575778f4db109b8b78e6dba03271096793f88 (patch) | |
| tree | ee9906456c359338a5e159066d383697830ae17a /lib/idr.c | |
| parent | 460488c58ca8b9167463ac22ec9a2e33db351962 (diff) | |
| download | linux-0-day-7a4575778f4db109b8b78e6dba03271096793f88.tar.gz linux-0-day-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 'lib/idr.c')
| -rw-r--r-- | lib/idr.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/lib/idr.c b/lib/idr.c index c3f16307b9082..3df44d528b687 100644 --- a/lib/idr.c +++ b/lib/idr.c @@ -136,13 +136,13 @@ int idr_alloc_cyclic(struct idr *idr, void *ptr, int start, int end, gfp_t gfp) EXPORT_SYMBOL(idr_alloc_cyclic); /** - * idr_for_each - iterate through all stored pointers - * @idr: idr handle - * @fn: function to be called for each pointer - * @data: data passed to callback function + * idr_for_each() - Iterate through all stored pointers. + * @idr: IDR handle. + * @fn: Function to be called for each pointer. + * @data: Data passed to callback function. * * The callback function will be called for each entry in @idr, passing - * the id, the pointer and the data pointer passed to this function. + * the ID, the entry and @data. * * If @fn returns anything other than %0, the iteration stops and that * value is returned from this function. @@ -169,9 +169,9 @@ int idr_for_each(const struct idr *idr, EXPORT_SYMBOL(idr_for_each); /** - * idr_get_next - Find next populated entry - * @idr: idr handle - * @nextid: Pointer to lowest possible ID to return + * idr_get_next() - Find next populated entry. + * @idr: IDR handle. + * @nextid: Pointer to an ID. * * Returns the next populated entry in the tree with an ID greater than * or equal to the value pointed to by @nextid. On exit, @nextid is updated @@ -192,7 +192,17 @@ void *idr_get_next(struct idr *idr, int *nextid) } EXPORT_SYMBOL(idr_get_next); -void *idr_get_next_ext(struct idr *idr, unsigned long *nextid) +/** + * idr_get_next_ul() - Find next populated entry. + * @idr: IDR handle. + * @nextid: Pointer to an ID. + * + * Returns the next populated entry in the tree with an ID greater than + * or equal to the value pointed to by @nextid. On exit, @nextid is updated + * to the ID of the found value. To use in a loop, the value pointed to by + * nextid must be incremented by the user. + */ +void *idr_get_next_ul(struct idr *idr, unsigned long *nextid) { struct radix_tree_iter iter; void __rcu **slot; @@ -204,7 +214,7 @@ void *idr_get_next_ext(struct idr *idr, unsigned long *nextid) *nextid = iter.index; return rcu_dereference_raw(*slot); } -EXPORT_SYMBOL(idr_get_next_ext); +EXPORT_SYMBOL(idr_get_next_ul); /** * idr_replace() - replace pointer for given ID. |