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>

1 files changed, 12 insertions, 6 deletions

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index ad0cac378e9a..30fec0a2a213 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)) {