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authorMatthew Wilcox (Oracle) <willy@infradead.org>2021-08-27 07:21:49 -0400
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-01-08 00:28:41 -0500
commit25a8de7f8d970ffa7263bd9d32a08138cd949f17 (patch)
treedad9405842972e385e08f4ae5bfca9778c684934 /lib
parentb9a8a4195c7d3a51235a4fc974a46ad4e9689ffd (diff)
XArray: Add xas_advance()
Add a new helper function to help iterate over multi-index entries. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/xarray.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/xarray.c b/lib/xarray.c
index f5d8f54907b4..6f47f6375808 100644
--- a/lib/xarray.c
+++ b/lib/xarray.c
@@ -157,7 +157,7 @@ static void xas_move_index(struct xa_state *xas, unsigned long offset)
xas->xa_index += offset << shift;
}
-static void xas_advance(struct xa_state *xas)
+static void xas_next_offset(struct xa_state *xas)
{
xas->xa_offset++;
xas_move_index(xas, xas->xa_offset);
@@ -1250,7 +1250,7 @@ void *xas_find(struct xa_state *xas, unsigned long max)
xas->xa_offset = ((xas->xa_index - 1) & XA_CHUNK_MASK) + 1;
}
- xas_advance(xas);
+ xas_next_offset(xas);
while (xas->xa_node && (xas->xa_index <= max)) {
if (unlikely(xas->xa_offset == XA_CHUNK_SIZE)) {
@@ -1268,7 +1268,7 @@ void *xas_find(struct xa_state *xas, unsigned long max)
if (entry && !xa_is_sibling(entry))
return entry;
- xas_advance(xas);
+ xas_next_offset(xas);
}
if (!xas->xa_node)