From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Thu, 6 Aug 2009 22:07:39 +0000 (-0700)
Subject: vfs: mnt_want_write_file(): fix special file handling
X-Git-Tag: v2.6.31-rc6~55
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d8dd38a5aa0cc2490bbad9b75e77fa154e1d145;p=pandora-kernel.git

vfs: mnt_want_write_file(): fix special file handling

I suspect that mnt_want_write_file() may have wrong assumption.  I think
mnt_want_write_file() is assuming it increments ->mnt_writers if
(file->f_mode & FMODE_WRITE).  But, if it's special_file(), it is false?

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Acked-by: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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