f2fs: add a condition to detect overflow in f2fs_ioc_gc_range()

[linux.git] / fs / dax.c

diff --git a/fs/dax.c b/fs/dax.c
index a237141d8787166eddf9701210ed811ffb77138e..6bf81f931de39e48bc2983a1c901b1a6643443f8 100644 (file)
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -266,7 +266,7 @@ static void wait_entry_unlocked(struct xa_state *xas, void *entry)
 static void put_unlocked_entry(struct xa_state *xas, void *entry)
 {
        /* If we were the only waiter woken, wake the next one */
-       if (entry && dax_is_conflict(entry))
+       if (entry && !dax_is_conflict(entry))
                dax_wake_entry(xas, entry, false);
 }
 
@@ -600,7 +600,7 @@ struct page *dax_layout_busy_page(struct address_space *mapping)
         * guaranteed to either see new references or prevent new
         * references from being established.
         */
-       unmap_mapping_range(mapping, 0, 0, 1);
+       unmap_mapping_range(mapping, 0, 0, 0);
 
        xas_lock_irq(&xas);
        xas_for_each(&xas, entry, ULONG_MAX) {