fs/locks: split out __locks_wake_up_blocks().

This functionality will be useful in future patches, so
split it out from locks_wake_up_blocks().

Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>

1 files changed, 16 insertions, 11 deletions

diff --git a/fs/locks.c b/fs/locks.c
index c6df0c8b3d13..6adb22a21a92 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -672,6 +672,21 @@ static void __locks_delete_block(struct file_lock *waiter)
         waiter->fl_blocker = NULL;
 }
 
+static void __locks_wake_up_blocks(struct file_lock *blocker)
+{
+        while (!list_empty(&blocker->fl_blocked_requests)) {
+                struct file_lock *waiter;
+
+                waiter = list_first_entry(&blocker->fl_blocked_requests,
+                                          struct file_lock, fl_blocked_member);
+                __locks_delete_block(waiter);
+                if (waiter->fl_lmops && waiter->fl_lmops->lm_notify)
+                        waiter->fl_lmops->lm_notify(waiter);
+                else
+                        wake_up(&waiter->fl_wait);
+        }
+}
+
 static void locks_delete_block(struct file_lock *waiter)
 {
         spin_lock(&blocked_lock_lock);
@@ -727,17 +742,7 @@ static void locks_wake_up_blocks(struct file_lock *blocker)
                 return;
 
         spin_lock(&blocked_lock_lock);
-        while (!list_empty(&blocker->fl_blocked_requests)) {
-                struct file_lock *waiter;
-
-                waiter = list_first_entry(&blocker->fl_blocked_requests,
-                                struct file_lock, fl_blocked_member);
-                __locks_delete_block(waiter);
-                if (waiter->fl_lmops && waiter->fl_lmops->lm_notify)
-                        waiter->fl_lmops->lm_notify(waiter);
-                else
-                        wake_up(&waiter->fl_wait);
-        }
+        __locks_wake_up_blocks(blocker);
         spin_unlock(&blocked_lock_lock);
 }