Commit 12efebab authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle)
Browse files

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: default avatarZi Yan <ziy@nvidia.com>
Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
parent 17860cca

lib/xarray.c

+4 −3
Original line number Diff line number Diff line
@@ -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.

 */