This allows code like 'gl = gfs2_glock_hold(...)'.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
static void __flock_holder_uninit(struct file *file, struct gfs2_holder *fl_gh)
{
- struct gfs2_glock *gl = fl_gh->gh_gl;
+ struct gfs2_glock *gl = gfs2_glock_hold(fl_gh->gh_gl);
/*
* Make sure gfs2_glock_put() won't sleep under the file->f_lock
* spinlock.
*/
- gfs2_glock_hold(gl);
spin_lock(&file->f_lock);
gfs2_holder_uninit(fl_gh);
spin_unlock(&file->f_lock);
*
*/
-void gfs2_glock_hold(struct gfs2_glock *gl)
+struct gfs2_glock *gfs2_glock_hold(struct gfs2_glock *gl)
{
GLOCK_BUG_ON(gl, __lockref_is_dead(&gl->gl_lockref));
lockref_get(&gl->gl_lockref);
+ return gl;
}
/**
struct gfs2_holder *gh, unsigned long ip)
{
INIT_LIST_HEAD(&gh->gh_list);
- gh->gh_gl = gl;
+ gh->gh_gl = gfs2_glock_hold(gl);
gh->gh_ip = ip;
gh->gh_owner_pid = get_pid(task_pid(current));
gh->gh_state = state;
gh->gh_flags = flags;
gh->gh_iflags = 0;
- gfs2_glock_hold(gl);
}
/**
extern int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
const struct gfs2_glock_operations *glops,
int create, struct gfs2_glock **glp);
-extern void gfs2_glock_hold(struct gfs2_glock *gl);
+extern struct gfs2_glock *gfs2_glock_hold(struct gfs2_glock *gl);
extern void gfs2_glock_put(struct gfs2_glock *gl);
extern void gfs2_glock_queue_put(struct gfs2_glock *gl);