[GFS2] filesystem consistency error from do_strip

This patch fixes a GFS2 filesystem consistency error reported from
function do_strip.  The problem was caused by a timing window
that allowed two vfs inodes to be created in memory that point
to the same file.  The problem is fixed by making the vfs's
iget_test, iget_set mechanism check and set a new bit in the
in-core gfs2_inode structure while the vfs inode spin_lock is held.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 9c2c0b90b22a..eabe5eac41da 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -236,6 +236,7 @@ enum {
         GIF_INVALID             = 0,
         GIF_QD_LOCKED           = 1,
         GIF_SW_PAGED            = 3,
+        GIF_USER                = 4, /* user inode, not metadata addr space */
 };
 
 struct gfs2_dinode_host {