[GFS2] Shrink gfs2_inode (8) - i_vn

This shrinks the size of the gfs2_inode by 8 bytes by
replacing the version counter with a one bit valid/invalid
flag.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index f6177fc68320..e467780837e6 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -145,7 +145,7 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, struct gfs2_inum_host *i
                 if (unlikely(error))
                         goto fail_put;
 
-                ip->i_vn = ip->i_gl->gl_vn - 1;
+                set_bit(GIF_INVALID, &ip->i_flags);
                 error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh);
                 if (unlikely(error))
                         goto fail_iopen;
@@ -242,7 +242,7 @@ int gfs2_inode_refresh(struct gfs2_inode *ip)
 
         error = gfs2_dinode_in(ip, dibh->b_data);
         brelse(dibh);
-        ip->i_vn = ip->i_gl->gl_vn;
+        clear_bit(GIF_INVALID, &ip->i_flags);
 
         return error;
 }