linux-kernel - [PATCH] kernel: relay: Change return type to vm_fault

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Message-ID: <20180510140335.GA25363@jordon-HP-15-Notebook-PC>
Date:   Thu, 10 May 2018 19:33:35 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     akpm@...ux-foundation.org, ebiggers@...gle.com,
        viro@...iv.linux.org.uk
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] kernel: relay: Change return type to vm_fault_t

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 <jrdr.linux@...il.com>
Reviewed-by: Matthew Wilcox <mawilcox@...rosoft.com>
---
 kernel/relay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/relay.c b/kernel/relay.c
index c302940..a8cdbf7 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -39,7 +39,7 @@ static void relay_file_mmap_close(struct vm_area_struct *vma)
 /*
  * fault() vm_op implementation for relay file mapping.
  */
-static int relay_buf_fault(struct vm_fault *vmf)
+static vm_fault_t relay_buf_fault(struct vm_fault *vmf)
 {
 	struct page *page;
 	struct rchan_buf *buf = vmf->vma->vm_private_data;
--
1.9.1