linux-kernel - [PATCH 5.4 156/178] ocfs2: load global_inode

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Date:   Mon, 29 Jun 2020 11:25:01 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Junxiao Bi <junxiao.bi@...cle.com>,
        Joseph Qi <joseph.qi@...ux.alibaba.com>,
        Changwei Ge <gechangwei@...e.cn>, Gang He <ghe@...e.com>,
        Joel Becker <jlbec@...lplan.org>,
        Jun Piao <piaojun@...wei.com>, Mark Fasheh <mark@...heh.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH 5.4 156/178] ocfs2: load global_inode_alloc

From: Junxiao Bi <junxiao.bi@...cle.com>

commit 7569d3c754e452769a5747eeeba488179e38a5da upstream.

Set global_inode_alloc as OCFS2_FIRST_ONLINE_SYSTEM_INODE, that will
make it load during mount.  It can be used to test whether some
global/system inodes are valid.  One use case is that nfsd will test
whether root inode is valid.

Link: http://lkml.kernel.org/r/20200616183829.87211-3-junxiao.bi@oracle.com
Signed-off-by: Junxiao Bi <junxiao.bi@...cle.com>
Reviewed-by: Joseph Qi <joseph.qi@...ux.alibaba.com>
Cc: Changwei Ge <gechangwei@...e.cn>
Cc: Gang He <ghe@...e.com>
Cc: Joel Becker <jlbec@...lplan.org>
Cc: Jun Piao <piaojun@...wei.com>
Cc: Mark Fasheh <mark@...heh.com>
Cc: <stable@...r.kernel.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 fs/ocfs2/ocfs2_fs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 0db4a7ec58a2d..46700f9b6b4cd 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -326,8 +326,8 @@ struct ocfs2_system_inode_info {
 enum {
 	BAD_BLOCK_SYSTEM_INODE = 0,
 	GLOBAL_INODE_ALLOC_SYSTEM_INODE,
+#define OCFS2_FIRST_ONLINE_SYSTEM_INODE GLOBAL_INODE_ALLOC_SYSTEM_INODE
 	SLOT_MAP_SYSTEM_INODE,
-#define OCFS2_FIRST_ONLINE_SYSTEM_INODE SLOT_MAP_SYSTEM_INODE
 	HEARTBEAT_SYSTEM_INODE,
 	GLOBAL_BITMAP_SYSTEM_INODE,
 	USER_QUOTA_SYSTEM_INODE,
-- 
2.25.1