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[GFS2] Fix ref count bug that used to bite us on umount

The ref count of certain glock's got elevated too far during unlink
which caused umount to fail. This fixes it.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Steven Whitehouse пре 19 година
родитељ
комит
64c14ea73b
1 измењених фајлова са 6 додато и 16 уклоњено
  1. 6 16
      fs/gfs2/inode.c

+ 6 - 16
fs/gfs2/inode.c

@@ -297,19 +297,13 @@ static int inode_create(struct gfs2_glock *i_gl, const struct gfs2_inum *inum,
 	if (!ip)
 		return -ENOMEM;
 	memset(ip, 0, sizeof(struct gfs2_inode));
-
 	ip->i_num = *inum;
-
 	atomic_set(&ip->i_count, 1);
-
 	ip->i_vn = i_gl->gl_vn - 1;
-
 	ip->i_gl = i_gl;
 	ip->i_sbd = sdp;
-
 	spin_lock_init(&ip->i_spin);
 	init_rwsem(&ip->i_rw_mutex);
-
 	ip->i_greedy = gfs2_tune_get(sdp, gt_greedy_default);
 
 	if (need_lock) {
@@ -318,27 +312,23 @@ static int inode_create(struct gfs2_glock *i_gl, const struct gfs2_inum *inum,
 					   &ip->i_iopen_gh);
 		if (error)
 			goto fail;
-	}
 
-	spin_lock(&io_gl->gl_spin);
-	gfs2_glock_hold(i_gl);
-	io_gl->gl_object = i_gl;
-	spin_unlock(&io_gl->gl_spin);
+		spin_lock(&io_gl->gl_spin);
+		gfs2_glock_hold(i_gl);
+		io_gl->gl_object = i_gl;
+		spin_unlock(&io_gl->gl_spin);
+	}
 
 	gfs2_glock_hold(i_gl);
 	i_gl->gl_object = ip;
-
 	atomic_inc(&sdp->sd_inode_count);
-
 	*ipp = ip;
-
 	return 0;
 
- fail:
+fail:
 	gfs2_meta_cache_flush(ip);
 	kmem_cache_free(gfs2_inode_cachep, ip);
 	*ipp = NULL;
-
 	return error;
 }