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| author |   Matthew Wilcox <willy@infradead.org> | 2017-11-14 16:42:22 -0500 |
|---|---|---|
| committer | Matthew Wilcox <willy@infradead.org> | 2018-10-21 10:45:58 -0400 |
| commit | 80a0a1a9a3cde9b23851e8eb7160e2786549306a (patch) | |
| tree | 9f90a533bb16d5f91407e6d04d102ea4dbca225e /include | |
| parent | xarray: Add XArray iterators (diff) | |
| download | linux-dev-80a0a1a9a3cde9b23851e8eb7160e2786549306a.tar.xz linux-dev-80a0a1a9a3cde9b23851e8eb7160e2786549306a.zip | |
xarray: Extract entries from an XArray
The xa_extract function combines the functionality of
radix_tree_gang_lookup() and radix_tree_gang_lookup_tagged().
It extracts entries matching the specified filter into a normal array.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/xarray.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/xarray.h b/include/linux/xarray.h index 66b10efa5a50..82ceed981924 100644 --- a/include/linux/xarray.h +++ b/include/linux/xarray.h @@ -284,6 +284,8 @@ void *xa_find(struct xarray *xa, unsigned long *index, unsigned long max, xa_mark_t) __attribute__((nonnull(2))); void *xa_find_after(struct xarray *xa, unsigned long *index, unsigned long max, xa_mark_t) __attribute__((nonnull(2))); +unsigned int xa_extract(struct xarray *, void **dst, unsigned long start, + unsigned long max, unsigned int n, xa_mark_t); /** * xa_init() - Initialise an empty XArray. |