linux-kernel - [PATCH 2/2] [GFS2] re-support special inode

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Date:	Tue, 26 Feb 2008 15:25:04 +0800
From:	Denis Cheng <crquan@...il.com>
To:	Steven Whitehouse <swhiteho@...hat.com>
Cc:	cluster-devel@...hat.com, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] [GFS2] re-support special inode

commit feaa7bba026c181ce071d5a4884f7f9dd26207a1 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>
---
 fs/gfs2/inode.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 1069ceb..18d8e0b 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);
-- 
1.5.4.2

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