From: Li Zefan <lizf@cn.fujitsu.com>
Date: Fri, 15 Apr 2011 03:03:06 +0000 (+0000)
Subject: Btrfs: fix FS_IOC_GETFLAGS ioctl
X-Git-Tag: v2.6.39~21^2~1
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=d0092bdda819914b8725da76a8c33eb06eb0bd21;p=~emulex%2Finfiniband.git

Btrfs: fix FS_IOC_GETFLAGS ioctl

As we've added per file compression/cow support.

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

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 3240dd90da4..aeabf6b6ccc 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -81,6 +81,13 @@ static unsigned int btrfs_flags_to_ioctl(unsigned int flags)
 		iflags |= FS_NOATIME_FL;
 	if (flags & BTRFS_INODE_DIRSYNC)
 		iflags |= FS_DIRSYNC_FL;
+	if (flags & BTRFS_INODE_NODATACOW)
+		iflags |= FS_NOCOW_FL;
+
+	if ((flags & BTRFS_INODE_COMPRESS) && !(flags & BTRFS_INODE_NOCOMPRESS))
+		iflags |= FS_COMPR_FL;
+	else if (flags & BTRFS_INODE_NOCOMPRESS)
+		iflags |= FS_NOCOMP_FL;
 
 	return iflags;
 }