new helper: ihold()

Clones an existing reference to inode; caller must already hold one.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 3 deletions

diff --git a/fs/aio.c b/fs/aio.c
index 9e319a04780..8c8f6c5b6d7 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1553,10 +1553,9 @@ static void aio_batch_add(struct address_space *mapping,
          *
          * 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;