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Commit 9adfac6d authored by Benjamin Coddington's avatar Benjamin Coddington Committed by J. Bruce Fields
Browse files

lockd: Remove lm_compare_owner and lm_owner_key 



Now that the NLM server allocates an nlm_lockowner for fl_owner, there's
no need for special hashing or comparison.

Signed-off-by: default avatarBenjamin Coddington <bcodding@redhat.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 89e0edfb

fs/lockd/svclock.c

+0 −18
Original line number Diff line number Diff line
@@ -788,25 +788,7 @@ nlmsvc_notify_blocked(struct file_lock *fl) 
	printk(KERN_WARNING "lockd: notification for unknown block!\n");

}



static int nlmsvc_same_owner(struct file_lock *fl1, struct file_lock *fl2)

{

	return fl1->fl_owner == fl2->fl_owner && fl1->fl_pid == fl2->fl_pid;

}



/*

 * Since NLM uses two "keys" for tracking locks, we need to hash them down

 * to one for the blocked_hash. Here, we're just xor'ing the host address

 * with the pid in order to create a key value for picking a hash bucket.

 */

static unsigned long

nlmsvc_owner_key(struct file_lock *fl)

{

	return (unsigned long)fl->fl_owner ^ (unsigned long)fl->fl_pid;

}



const struct lock_manager_operations nlmsvc_lock_operations = {

	.lm_compare_owner = nlmsvc_same_owner,

	.lm_owner_key = nlmsvc_owner_key,

	.lm_notify = nlmsvc_notify_blocked,

	.lm_grant = nlmsvc_grant_deferred,

};