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authorMatthew Wilcox (Oracle) <willy@infradead.org>2020-01-12 23:54:10 +0300
committerMatthew Wilcox (Oracle) <willy@infradead.org>2020-01-18 06:33:37 +0300
commit00ed452c210a0bc1ff3ee79e1ce6b199f00a0638 (patch)
tree519e830435204683e32c9ded6ff4e7d4778f3922 /Documentation
parentc44aa5e8ab58b5f4cf473970ec784c3333496a2e (diff)
downloadlinux-00ed452c210a0bc1ff3ee79e1ce6b199f00a0638.tar.xz
XArray: Add xa_for_each_range
This function supports iterating over a range of an array. Also add documentation links for xa_for_each_start(). Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/core-api/xarray.rst10
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/core-api/xarray.rst b/Documentation/core-api/xarray.rst
index 39b61ade7355..640934b6f7b4 100644
--- a/Documentation/core-api/xarray.rst
+++ b/Documentation/core-api/xarray.rst
@@ -82,10 +82,10 @@ at that index is ``NULL``, you can use xa_insert() which
returns ``-EBUSY`` if the entry is not empty.
You can copy entries out of the XArray into a plain array by calling
-xa_extract(). Or you can iterate over the present entries in
-the XArray by calling xa_for_each(). You may prefer to use
-xa_find() or xa_find_after() to move to the next present
-entry in the XArray.
+xa_extract(). Or you can iterate over the present entries in the XArray
+by calling xa_for_each(), xa_for_each_start() or xa_for_each_range().
+You may prefer to use xa_find() or xa_find_after() to move to the next
+present entry in the XArray.
Calling xa_store_range() stores the same entry in a range
of indices. If you do this, some of the other operations will behave
@@ -193,6 +193,8 @@ No lock needed:
Takes RCU read lock:
* xa_load()
* xa_for_each()
+ * xa_for_each_start()
+ * xa_for_each_range()
* xa_find()
* xa_find_after()
* xa_extract()