[XFS] Add degframentation exclusion support

SGI-PV: 953061
SGI-Modid: xfs-linux-melb:xfs-kern:25986a

Signed-off-by: Barry Naujok <bnaujok@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index f5284453441b..083fc0479e69 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -812,6 +812,8 @@ _xfs_dic2xflags(
                         flags |= XFS_XFLAG_EXTSIZE;
                 if (di_flags & XFS_DIFLAG_EXTSZINHERIT)
                         flags |= XFS_XFLAG_EXTSZINHERIT;
+                if (di_flags & XFS_DIFLAG_NODEFRAG)
+                        flags |= XFS_XFLAG_NODEFRAG;
         }
 
         return flags;
@@ -1221,6 +1223,9 @@ xfs_ialloc(
                                 di_flags |= XFS_DIFLAG_NOSYMLINKS;
                         if (pip->i_d.di_flags & XFS_DIFLAG_PROJINHERIT)
                                 di_flags |= XFS_DIFLAG_PROJINHERIT;
+                        if ((pip->i_d.di_flags & XFS_DIFLAG_NODEFRAG) &&
+                            xfs_inherit_nodefrag)
+                                di_flags |= XFS_DIFLAG_NODEFRAG;
                         ip->i_d.di_flags |= di_flags;
                 }
                 /* FALLTHROUGH */