nfs_file_write    654 fs/nfs/file.c  EXPORT_SYMBOL_GPL(nfs_file_write);
nfs_file_write    838 fs/nfs/file.c  	.write_iter	= nfs_file_write,
nfs_file_write    369 fs/nfs/internal.h ssize_t nfs_file_write(struct kiocb *, struct iov_iter *);
nfs_file_write    272 fs/nfs/nfs4file.c 	.write_iter	= nfs_file_write,