Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux...

[safe/jmp/linux-2.6] / fs / lockd / svclock.c

diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 6063a8e..84055d3 100644 (file)
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -21,6 +21,7 @@
  */
 
 #include <linux/types.h>
+#include <linux/slab.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -326,6 +327,8 @@ static void nlmsvc_freegrantargs(struct nlm_rqst *call)
 {
        if (call->a_args.lock.oh.data != call->a_owner)
                kfree(call->a_args.lock.oh.data);
+
+       locks_release_private(&call->a_args.lock.fl);
 }
 
 /*
@@ -426,6 +429,13 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
                        ret = nlm_granted;
                        goto out;
                case -EAGAIN:
+                       /*
+                        * If this is a blocking request for an
+                        * already pending lock request then we need
+                        * to put it back on lockd's block list
+                        */
+                       if (wait)
+                               break;
                        ret = nlm_lck_denied;
                        goto out;
                case FILE_LOCK_DEFERRED:
@@ -696,7 +706,7 @@ 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;
 }
 
-struct lock_manager_operations nlmsvc_lock_operations = {
+const struct lock_manager_operations nlmsvc_lock_operations = {
        .fl_compare_owner = nlmsvc_same_owner,
        .fl_notify = nlmsvc_notify_blocked,
        .fl_grant = nlmsvc_grant_deferred,