From c303c5b8c3b8eace41c4fba26205b50c0f8e4ca0 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Mon, 20 Feb 2012 02:31:26 +0000
Subject: xfs: add xlog_grant_head_init

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>

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index ad0cac3..30fec0a 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -150,6 +150,15 @@ xlog_grant_add_space(
 	} while (head_val != old);
 }
 
+STATIC void
+xlog_grant_head_init(
+	struct xlog_grant_head	*head)
+{
+	xlog_assign_grant_head(&head->grant, 1, 0);
+	INIT_LIST_HEAD(&head->waiters);
+	spin_lock_init(&head->lock);
+}
+
 STATIC bool
 xlog_reserveq_wake(
 	struct log		*log,
@@ -1070,12 +1079,9 @@ xlog_alloc_log(xfs_mount_t	*mp,
 	xlog_assign_atomic_lsn(&log->l_tail_lsn, 1, 0);
 	xlog_assign_atomic_lsn(&log->l_last_sync_lsn, 1, 0);
 	log->l_curr_cycle  = 1;	    /* 0 is bad since this is initial value */
-	xlog_assign_grant_head(&log->l_reserve_head.grant, 1, 0);
-	xlog_assign_grant_head(&log->l_write_head.grant, 1, 0);
-	INIT_LIST_HEAD(&log->l_reserve_head.waiters);
-	INIT_LIST_HEAD(&log->l_write_head.waiters);
-	spin_lock_init(&log->l_reserve_head.lock);
-	spin_lock_init(&log->l_write_head.lock);
+
+	xlog_grant_head_init(&log->l_reserve_head);
+	xlog_grant_head_init(&log->l_write_head);
 
 	error = EFSCORRUPTED;
 	if (xfs_sb_version_hassector(&mp->m_sb)) {
-- 
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