new helper: ihold()
Clones an existing reference to inode; caller must already hold one.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/aio.c b/fs/aio.c
index 9e319a0..8c8f6c5 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1553,10 +1553,9 @@
*
* When we're called, we always have a reference
* on the file, so we must always have a reference
- * on the inode, so igrab must always just
- * bump the count and move on.
+ * on the inode, so ihold() is safe here.
*/
- atomic_inc(&mapping->host->i_count);
+ ihold(mapping->host);
abe->mapping = mapping;
hlist_add_head(&abe->list, &batch_hash[bucket]);
return;