gfs2: make gfs2_holder.gh_owner_pid be a struct pid *
The gl_owner_pid field is used to get the holder task by its pid and check
whether the current is a holder, so make it in a proper manner, i.e. via the
struct pid * manipulations.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index b16f604..2f9c6d1 100644
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -36,11 +36,13 @@
{
struct gfs2_holder *gh;
int locked = 0;
+ struct pid *pid;
/* Look in glock's list of holders for one with current task as owner */
spin_lock(&gl->gl_spin);
+ pid = task_pid(current);
list_for_each_entry(gh, &gl->gl_holders, gh_list) {
- if (gh->gh_owner_pid == current->pid) {
+ if (gh->gh_owner_pid == pid) {
locked = 1;
break;
}