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authorPetr Mladek <pmladek@suse.com>2020-06-01 10:15:16 +0200
committerPetr Mladek <pmladek@suse.com>2020-06-01 10:15:16 +0200
commitd053cf0d771f6547cb0537759a9af63cf402908d (patch)
treedf61806e45c6cf7e9cdd0b271f959f0962f8623e /include/linux/xarray.h
parent6a0af9fc8ccef5304ef88dc7e27362732e047076 (diff)
parenteb012d125a2419786f5bcaaf8a901babc7b6e3d7 (diff)
downloadcachepc-linux-d053cf0d771f6547cb0537759a9af63cf402908d.tar.gz
cachepc-linux-d053cf0d771f6547cb0537759a9af63cf402908d.zip
Merge branch 'for-5.8' into for-linus
Diffstat (limited to 'include/linux/xarray.h')
-rw-r--r--include/linux/xarray.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/linux/xarray.h b/include/linux/xarray.h
index f73e1775ded0..14c893433139 100644
--- a/include/linux/xarray.h
+++ b/include/linux/xarray.h
@@ -32,8 +32,8 @@
* The following internal entries have a special meaning:
*
* 0-62: Sibling entries
- * 256: Zero entry
- * 257: Retry entry
+ * 256: Retry entry
+ * 257: Zero entry
*
* Errors are also represented as internal entries, but use the negative
* space (-4094 to -2). They're never stored in the slots array; only
@@ -1648,6 +1648,7 @@ static inline void *xas_next_marked(struct xa_state *xas, unsigned long max,
xa_mark_t mark)
{
struct xa_node *node = xas->xa_node;
+ void *entry;
unsigned int offset;
if (unlikely(xas_not_node(node) || node->shift))
@@ -1659,7 +1660,10 @@ static inline void *xas_next_marked(struct xa_state *xas, unsigned long max,
return NULL;
if (offset == XA_CHUNK_SIZE)
return xas_find_marked(xas, max, mark);
- return xa_entry(xas->xa, node, offset);
+ entry = xa_entry(xas->xa, node, offset);
+ if (!entry)
+ return xas_find_marked(xas, max, mark);
+ return entry;
}
/*