From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl0-f69.google.com (mail-pl0-f69.google.com [209.85.160.69]) by kanga.kvack.org (Postfix) with ESMTP id 6A4256B0003 for ; Wed, 20 Jun 2018 13:18:25 -0400 (EDT) Received: by mail-pl0-f69.google.com with SMTP id t19-v6so140675plo.9 for ; Wed, 20 Jun 2018 10:18:25 -0700 (PDT) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id r78-v6sor826238pfa.49.2018.06.20.10.18.24 for (Google Transport Security); Wed, 20 Jun 2018 10:18:24 -0700 (PDT) Date: Wed, 20 Jun 2018 22:50:46 +0530 From: Souptick Joarder Subject: [PATCH] include: dax: new-return-type-vm_fault_t Message-ID: <20180620172046.GA27894@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: owner-linux-mm@kvack.org List-ID: To: willy@infradead.org, dan.j.williams@intel.com, jack@suse.cz, kirill.shutemov@linux.intel.com, mhocko@suse.com, akpm@linux-foundation.org, ross.zwisler@linux.intel.com, viro@zeniv.linux.org.uk Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Use new return type vm_fault_t for fault handler. For now, this is just documenting that the function returns a VM_FAULT value rather than an errno. Once all instances are converted, vm_fault_t will become a distinct type. commit 1c8f422059ae ("mm: change return type to vm_fault_t") Signed-off-by: Souptick Joarder --- include/linux/dax.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/dax.h b/include/linux/dax.h index 7fddea8..11852d2 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -122,7 +122,7 @@ size_t dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, ssize_t dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter, const struct iomap_ops *ops); -int dax_iomap_fault(struct vm_fault *vmf, enum page_entry_size pe_size, +vm_fault_t dax_iomap_fault(struct vm_fault *vmf, enum page_entry_size pe_size, pfn_t *pfnp, int *errp, const struct iomap_ops *ops); vm_fault_t dax_finish_sync_fault(struct vm_fault *vmf, enum page_entry_size pe_size, pfn_t pfn); -- 1.9.1