Both locks and leases deal with fl_blocker. Switch the fl_blocker
pointer in struct file_lock_core to point to the file_lock_core of the
blocker instead of a file_lock structure.

Signed-off-by: Jeff Layton <jlay...@kernel.org>
---
 fs/locks.c                      | 10 +++++-----
 include/linux/filelock.h        |  2 +-
 include/trace/events/filelock.h |  4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/locks.c b/fs/locks.c
index 280149860d5e..1bc69a96b96d 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -433,7 +433,7 @@ static void locks_move_blocks(struct file_lock *new, struct 
file_lock *fl)
                         &new->fl_core.fl_blocked_requests);
        list_for_each_entry(f, &new->fl_core.fl_blocked_requests,
                            fl_core.fl_blocked_member)
-               f->fl_core.fl_blocker = new;
+               f->fl_core.fl_blocker = &new->fl_core;
        spin_unlock(&blocked_lock_lock);
 }
 
@@ -796,7 +796,7 @@ static void __locks_insert_block(struct file_lock 
*blocker_fl,
                        blocker =  flc;
                        goto new_blocker;
                }
-       waiter->fl_blocker = file_lock(blocker);
+       waiter->fl_blocker = blocker;
        list_add_tail(&waiter->fl_blocked_member,
                      &blocker->fl_blocked_requests);
 
@@ -1019,7 +1019,7 @@ static struct file_lock_core 
*what_owner_is_waiting_for(struct file_lock_core *b
        hash_for_each_possible(blocked_hash, flc, fl_link, 
posix_owner_key(blocker)) {
                if (posix_same_owner(flc, blocker)) {
                        while (flc->fl_blocker)
-                               flc = &flc->fl_blocker->fl_core;
+                               flc = flc->fl_blocker;
                        return flc;
                }
        }
@@ -2817,7 +2817,7 @@ static struct file_lock *get_next_blocked_member(struct 
file_lock *node)
 
        /* Next member in the linked list could be itself */
        tmp = list_next_entry(node, fl_core.fl_blocked_member);
-       if (list_entry_is_head(tmp, 
&node->fl_core.fl_blocker->fl_core.fl_blocked_requests,
+       if (list_entry_is_head(tmp, 
&node->fl_core.fl_blocker->fl_blocked_requests,
                               fl_core.fl_blocked_member)
                || tmp == node) {
                return NULL;
@@ -2860,7 +2860,7 @@ static int locks_show(struct seq_file *f, void *v)
                        tmp = get_next_blocked_member(cur);
                        /* Fall back to parent node */
                        while (tmp == NULL && cur->fl_core.fl_blocker != NULL) {
-                               cur = cur->fl_core.fl_blocker;
+                               cur = file_lock(cur->fl_core.fl_blocker);
                                level--;
                                tmp = get_next_blocked_member(cur);
                        }
diff --git a/include/linux/filelock.h b/include/linux/filelock.h
index 7825511c1c11..9cf1ee3efeda 100644
--- a/include/linux/filelock.h
+++ b/include/linux/filelock.h
@@ -87,7 +87,7 @@ bool opens_in_grace(struct net *);
  */
 
 struct file_lock_core {
-       struct file_lock *fl_blocker;   /* The lock that is blocking us */
+       struct file_lock_core *fl_blocker;      /* The lock that is blocking us 
*/
        struct list_head fl_list;       /* link into file_lock_context */
        struct hlist_node fl_link;      /* node in global lists */
        struct list_head fl_blocked_requests;   /* list of requests with
diff --git a/include/trace/events/filelock.h b/include/trace/events/filelock.h
index 92ed07544f94..49263b69215e 100644
--- a/include/trace/events/filelock.h
+++ b/include/trace/events/filelock.h
@@ -68,7 +68,7 @@ DECLARE_EVENT_CLASS(filelock_lock,
                __field(struct file_lock *, fl)
                __field(unsigned long, i_ino)
                __field(dev_t, s_dev)
-               __field(struct file_lock *, fl_blocker)
+               __field(struct file_lock_core *, fl_blocker)
                __field(fl_owner_t, fl_owner)
                __field(unsigned int, fl_pid)
                __field(unsigned int, fl_flags)
@@ -125,7 +125,7 @@ DECLARE_EVENT_CLASS(filelock_lease,
                __field(struct file_lock *, fl)
                __field(unsigned long, i_ino)
                __field(dev_t, s_dev)
-               __field(struct file_lock *, fl_blocker)
+               __field(struct file_lock_core *, fl_blocker)
                __field(fl_owner_t, fl_owner)
                __field(unsigned int, fl_flags)
                __field(unsigned char, fl_type)

-- 
2.43.0


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