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authorMatthew Wilcox (Oracle)2020-10-10 11:17:44 -0400
committerMatthew Wilcox (Oracle)2021-03-30 13:42:33 -0400
commit12efebab09e383bf366bec323bd296b7d90e1c43 (patch)
tree6213f469c529a0b7cb724f57fbebb396723fdc23 /lib
parent17860ccabff533748c85ea32904abd6bae990099 (diff)
XArray: Fix split documentation
I wrote the documentation backwards; the new order of the entry is stored in the xas and the caller passes the old entry. Reported-by: Zi Yan <ziy@nvidia.com> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/xarray.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/xarray.c b/lib/xarray.c
index 5fa51614802a..fb3a0ccebb7e 100644
--- a/lib/xarray.c
+++ b/lib/xarray.c
@@ -987,7 +987,7 @@ static void node_set_marks(struct xa_node *node, unsigned int offset,
* xas_split_alloc() - Allocate memory for splitting an entry.
* @xas: XArray operation state.
* @entry: New entry which will be stored in the array.
- * @order: New entry order.
+ * @order: Current entry order.
* @gfp: Memory allocation flags.
*
* This function should be called before calling xas_split().
@@ -1041,9 +1041,10 @@ EXPORT_SYMBOL_GPL(xas_split_alloc);
* xas_split() - Split a multi-index entry into smaller entries.
* @xas: XArray operation state.
* @entry: New entry to store in the array.
- * @order: New entry order.
+ * @order: Current entry order.
*
- * The value in the entry is copied to all the replacement entries.
+ * The size of the new entries is set in @xas. The value in @entry is
+ * copied to all the replacement entries.
*
* Context: Any context. The caller should hold the xa_lock.
*/