iomap: remove lockdep_assert_held()

Filesystems such as btrfs can perform direct I/O without holding the
inode->i_rwsem in some of the cases like writing within i_size.  So,
remove the check for lockdep_assert_held() in iomap_dio_rw().

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index f88ba6e7f6af897e80209d3fb10aaf0dbc450655..e4addfc58107032f28303d98ae2a130dd1245c47 100644 (file)
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -416,8 +416,6 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
        struct blk_plug plug;
        struct iomap_dio *dio;
 
-       lockdep_assert_held(&inode->i_rwsem);
-
        if (!count)
                return 0;