[PATCH] XArray: document that tags persist after storing new elements
Christoph Hellwig <[email protected]>
| Newsgroups | org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-doc,org.kvack.linux-mm |
|---|---|
| Message-ID | <[email protected]> |
This is a very useful feature, document it. Signed-off-by: Christoph Hellwig <[email protected]> --- Documentation/core-api/xarray.rst | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/core-api/xarray.rst b/Documentation/core-api/xarray.rst index c6c91cbd0c3c..9a0d930a8c79 100644 --- a/Documentation/core-api/xarray.rst +++ b/Documentation/core-api/xarray.rst @@ -127,6 +127,8 @@ by using xa_set_mark() and remove the mark from an entry by calling xa_clear_mark(). You can ask whether any entry in the XArray has a particular mark set by calling xa_marked(). Erasing an entry from the XArray causes all marks associated with that entry to be cleared. +Storing a new entry that replaces an existing entry keeps the marks +associated with the index intact. Setting or clearing a mark on any index of a multi-index entry will affect all indices covered by that entry. Querying the mark on any -- 2.53.0