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Merge tag 'xarray-5.18' of git://git.infradead.org/users/willy/xarray

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Pull XArray updates from Matthew Wilcox:

 - Documentation update

 - Fix test-suite build after move of bitmap.h

 - Fix xas_create_range() when a large entry is already present

 - Fix xas_split() of a shadow entry

* tag 'xarray-5.18' of git://git.infradead.org/users/willy/xarray:
  XArray: Update the LRU list in xas_split()
  XArray: Fix xas_create_range() when multi-order entry present
  XArray: Include bitmap.h from xarray.h
  XArray: Document the locking requirement for the xa_state
This commit is contained in:
Linus Torvalds
2022-04-01 13:40:44 -07:00
parent a3dfc532b8 3ed4bb7715
commit 5a3fe95d76
4 changed files with 36 additions and 5 deletions
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4
lib/xarray.c
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@@ -722,6 +722,8 @@ void xas_create_range(struct xa_state *xas)
for (;;) {
struct xa_node *node = xas->xa_node;
if (node->shift >= shift)
break;
xas->xa_node = xa_parent_locked(xas->xa, node);
xas->xa_offset = node->offset - 1;
if (node->offset != 0)
@@ -1079,6 +1081,7 @@ void xas_split(struct xa_state *xas, void *entry, unsigned int order)
xa_mk_node(child));
if (xa_is_value(curr))
values--;
xas_update(xas, child);
} else {
unsigned int canon = offset - xas->xa_sibs;
@@ -1093,6 +1096,7 @@ void xas_split(struct xa_state *xas, void *entry, unsigned int order)
} while (offset-- > xas->xa_offset);
node->nr_values += values;
xas_update(xas, node);
}
EXPORT_SYMBOL_GPL(xas_split);
#endif