linux-kernel - [PATCH 02/41] VFS: propagate mnt_flags into do

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Message-Id: <1256152779-10054-3-git-send-email-vaurora@redhat.com>
Date:	Wed, 21 Oct 2009 12:19:00 -0700
From:	Valerie Aurora <vaurora@...hat.com>
To:	Jan Blunck <jblunck@...e.de>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christoph Hellwig <hch@...radead.org>,
	Andy Whitcroft <apw@...onical.com>,
	Scott James Remnant <scott@...onical.com>,
	Sandu Popa Marius <sandupopamarius@...il.com>,
	Jan Rekorajski <baggins@...h.mimuw.edu.pl>,
	"J. R. Okajima" <hooanon05@...oo.co.jp>,
	Arnd Bergmann <arnd@...db.de>,
	Vladimir Dronnikov <dronnikov@...il.com>,
	Felix Fietkau <nbd@...nwrt.org>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jan Blunck <jblunck@...e.de>
Subject: [PATCH 02/41] VFS: propagate mnt_flags into do_loopback

From: Jan Blunck <jblunck@...e.de>

The mnt_flags are propagated into do_loopback(), so that they can be checked
when mounting something loopback into a union.

Signed-off-by: Jan Blunck <jblunck@...e.de>
Signed-off-by: Valerie Aurora <vaurora@...hat.com>
---
 fs/namespace.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 7230787..4cd43ea 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1446,8 +1446,8 @@ static int do_change_type(struct path *path, int flag)
 /*
  * do loopback mount.
  */
-static int do_loopback(struct path *path, char *old_name,
-				int recurse)
+static int do_loopback(struct path *path, char *old_name, int recurse,
+		       int mnt_flags)
 {
 	struct path old_path;
 	struct vfsmount *mnt = NULL;
@@ -1944,7 +1944,8 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
 		retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
 				    data_page);
 	else if (flags & MS_BIND)
-		retval = do_loopback(&path, dev_name, flags & MS_REC);
+		retval = do_loopback(&path, dev_name, flags & MS_REC,
+				     mnt_flags);
 	else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
 		retval = do_change_type(&path, flags);
 	else if (flags & MS_MOVE)
-- 
1.6.3.3

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