[GFS2] Fix glock ordering on inode creation

The lock order here should be parent -> child rather than
numeric order.

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

1 files changed, 4 insertions, 27 deletions

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index ce7f8330690..d122074c45e 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -870,33 +870,10 @@ struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name,
         if (error)
                 goto fail_gunlock;
 
-        if (inum.no_addr < dip->i_num.no_addr) {
-                gfs2_glock_dq(ghs);
-
-                error = gfs2_glock_nq_num(sdp, inum.no_addr,
-                                          &gfs2_inode_glops, LM_ST_EXCLUSIVE,
-                                          GL_SKIP, ghs + 1);
-                if (error) {
-                        return ERR_PTR(error);
-                }
-
-                gfs2_holder_reinit(LM_ST_EXCLUSIVE, 0, ghs);
-                error = gfs2_glock_nq(ghs);
-                if (error) {
-                        gfs2_glock_dq_uninit(ghs + 1);
-                        return ERR_PTR(error);
-                }
-
-                error = create_ok(dip, name, mode);
-                if (error)
-                        goto fail_gunlock2;
-        } else {
-                error = gfs2_glock_nq_num(sdp, inum.no_addr,
-                                          &gfs2_inode_glops, LM_ST_EXCLUSIVE,
-                                          GL_SKIP, ghs + 1);
-                if (error)
-                        goto fail_gunlock;
-        }
+        error = gfs2_glock_nq_num(sdp, inum.no_addr, &gfs2_inode_glops,
+                                  LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1);
+        if (error)
+                goto fail_gunlock;
 
         error = make_dinode(dip, ghs[1].gh_gl, mode, &inum, &generation, dev);
         if (error)