linux-kernel - [PATCH 38/48] [GFS2] re-support special inode

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Message-Id: <1208421647805-git-send-email-swhiteho@redhat.com>
Date:	Thu, 17 Apr 2008 09:39:14 +0100
From:	swhiteho@...hat.com
To:	linux-kernel@...r.kernel.org, cluster-devel@...hat.com
Cc:	Denis Cheng <crquan@...il.com>,
	Steven Whitehouse <swhiteho@...hat.com>
Subject: [PATCH 38/48] [GFS2] re-support special inode

From: Denis Cheng <crquan@...il.com>

a previous commit removed call to
init_special_inode from inode lookuping, this cause problems as:

 # mknod /mnt/gfs2/dev/null c 1 3
 # cat /mnt/gfs2/dev/null
 cat: /mnt/gfs2/dev/null: Invalid argument

without special inode, GFS2 cannot support char device file,
block device file, fifo pipe, and socket file, lose many important
features as a common file system.

this one line patch re add special inode support.

Signed-off-by: Denis Cheng <crquan@...il.com>
Signed-off-by: Steven Whitehouse <swhiteho@...hat.com>

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 7b9f31e..92ea9af 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -150,6 +150,7 @@ void gfs2_set_iop(struct inode *inode)
 		inode->i_op = &gfs2_symlink_iops;
 	} else {
 		inode->i_op = &gfs2_file_iops;
+		init_special_inode(inode, inode->i_mode, inode->i_rdev);
 	}
 
 	unlock_new_inode(inode);
-- 
1.5.1.2

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