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-rw-r--r--fs/lockd/svclock.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index e703318c41df..067778b0ccc9 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -276,7 +276,7 @@ static int nlmsvc_unlink_block(struct nlm_block *block)
276 dprintk("lockd: unlinking block %p...\n", block); 276 dprintk("lockd: unlinking block %p...\n", block);
277 277
278 /* Remove block from list */ 278 /* Remove block from list */
279 status = posix_unblock_lock(block->b_file->f_file, &block->b_call->a_args.lock.fl); 279 status = posix_unblock_lock(&block->b_call->a_args.lock.fl);
280 nlmsvc_remove_block(block); 280 nlmsvc_remove_block(block);
281 return status; 281 return status;
282} 282}
@@ -744,8 +744,20 @@ static int nlmsvc_same_owner(struct file_lock *fl1, struct file_lock *fl2)
744 return fl1->fl_owner == fl2->fl_owner && fl1->fl_pid == fl2->fl_pid; 744 return fl1->fl_owner == fl2->fl_owner && fl1->fl_pid == fl2->fl_pid;
745} 745}
746 746
747/*
748 * Since NLM uses two "keys" for tracking locks, we need to hash them down
749 * to one for the blocked_hash. Here, we're just xor'ing the host address
750 * with the pid in order to create a key value for picking a hash bucket.
751 */
752static unsigned long
753nlmsvc_owner_key(struct file_lock *fl)
754{
755 return (unsigned long)fl->fl_owner ^ (unsigned long)fl->fl_pid;
756}
757
747const struct lock_manager_operations nlmsvc_lock_operations = { 758const struct lock_manager_operations nlmsvc_lock_operations = {
748 .lm_compare_owner = nlmsvc_same_owner, 759 .lm_compare_owner = nlmsvc_same_owner,
760 .lm_owner_key = nlmsvc_owner_key,
749 .lm_notify = nlmsvc_notify_blocked, 761 .lm_notify = nlmsvc_notify_blocked,
750 .lm_grant = nlmsvc_grant_deferred, 762 .lm_grant = nlmsvc_grant_deferred,
751}; 763};