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authorChristoph Hellwig <hch@infradead.org>2012-02-20 02:31:27 +0000
committerBen Myers <bpm@sgi.com>2012-02-22 22:26:47 -0600
commita79bf2d75b8f96bcdb6714138cd53cb3c358669c (patch)
tree50c5e40becc5559133c29332f947750fe72529e8 /fs/xfs
parentc303c5b8c3b8eace41c4fba26205b50c0f8e4ca0 (diff)
downloadlinux-a79bf2d75b8f96bcdb6714138cd53cb3c358669c.tar.gz
xfs: add xlog_grant_head_wake_all
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/xfs_log.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 30fec0a2a213..a0d1376b3d48 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -159,6 +159,18 @@ xlog_grant_head_init(
 	spin_lock_init(&head->lock);
 }
 
+STATIC void
+xlog_grant_head_wake_all(
+	struct xlog_grant_head	*head)
+{
+	struct xlog_ticket	*tic;
+
+	spin_lock(&head->lock);
+	list_for_each_entry(tic, &head->waiters, t_queue)
+		wake_up_process(tic->t_task);
+	spin_unlock(&head->lock);
+}
+
 STATIC bool
 xlog_reserveq_wake(
 	struct log		*log,
@@ -3557,7 +3569,6 @@ xfs_log_force_umount(
 	struct xfs_mount	*mp,
 	int			logerror)
 {
-	xlog_ticket_t	*tic;
 	xlog_t		*log;
 	int		retval;
 
@@ -3625,15 +3636,8 @@ xfs_log_force_umount(
 	 * we don't enqueue anything once the SHUTDOWN flag is set, and this
 	 * action is protected by the grant locks.
 	 */
-	spin_lock(&log->l_reserve_head.lock);
-	list_for_each_entry(tic, &log->l_reserve_head.waiters, t_queue)
-		wake_up_process(tic->t_task);
-	spin_unlock(&log->l_reserve_head.lock);
-
-	spin_lock(&log->l_write_head.lock);
-	list_for_each_entry(tic, &log->l_write_head.waiters, t_queue)
-		wake_up_process(tic->t_task);
-	spin_unlock(&log->l_write_head.lock);
+	xlog_grant_head_wake_all(&log->l_reserve_head);
+	xlog_grant_head_wake_all(&log->l_write_head);
 
 	if (!(log->l_iclog->ic_state & XLOG_STATE_IOERROR)) {
 		ASSERT(!logerror);