From: Li Zefan <lizf@cn.fujitsu.com>
Date: Fri, 15 Apr 2011 03:03:17 +0000 (+0000)
Subject: Btrfs: fix FS_IOC_SETFLAGS ioctl
X-Git-Tag: v2.6.39~21^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ebcb904dfe31644857422e3bb62e50f76fe86255;p=pandora-kernel.git

Btrfs: fix FS_IOC_SETFLAGS ioctl

Steps to reproduce the bug:

  - Call FS_IOC_SETLFAGS ioctl with flags=FS_COMPR_FL
  - Call FS_IOC_SETFLAGS ioctl with flags=0
  - Call FS_IOC_GETFLAGS ioctl, and you'll see FS_COMPR_FL is still set!

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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