linux-kernel - [PATCH 17/18] staging/lustre/llite: fix a flag bug of vvp_io_kernel

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Date:	Sun, 22 Jun 2014 21:32:21 -0400
From:	Oleg Drokin <green@...uxhacker.ru>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org
Cc:	Li Xi <lixi@....com>, Oleg Drokin <oleg.drokin@...el.com>
Subject: [PATCH 17/18] staging/lustre/llite: fix a flag bug of vvp_io_kernel_fault()

From: Li Xi <lixi@....com>

After vvp_io_kernel_fault() locked the page, it should set
VM_FAULT_LOCKED.

Signed-off-by: Li Xi <lixi@....com>
Reviewed-on: http://review.whamcloud.com/10740
Reviewed-by: Jinshan Xiong <jinshan.xiong@...el.com>
Reviewed-by: Emoly Liu <emoly.liu@...el.com>
Signed-off-by: Oleg Drokin <oleg.drokin@...el.com>
---
 drivers/staging/lustre/lustre/llite/vvp_io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/lustre/lustre/llite/vvp_io.c b/drivers/staging/lustre/lustre/llite/vvp_io.c
index 04230ed..2539a89 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_io.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_io.c
@@ -624,7 +624,7 @@ static int vvp_io_kernel_fault(struct vvp_fault_io *cfio)
 		       page_private(vmf->page), vmf->virtual_address);
 		if (unlikely(!(cfio->fault.ft_flags & VM_FAULT_LOCKED))) {
 			lock_page(vmf->page);
-			cfio->fault.ft_flags &= VM_FAULT_LOCKED;
+			cfio->fault.ft_flags |= VM_FAULT_LOCKED;
 		}
 
 		cfio->ft_vmpage = vmf->page;
-- 
1.9.0

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