xfs: cleanup xfs_log_space_wake

Remove the now unused opportunistic parameter, and use the the
xlog_writeq_wake and xlog_reserveq_wake helpers now that we don't have
to care about the opportunistic wakeups.

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>

3 files changed, 8 insertions, 34 deletions

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 9161e8a76e77..2db39df5a57d 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -762,18 +762,13 @@ xfs_log_item_init(
 
 /*
  * Wake up processes waiting for log space after we have moved the log tail.
- *
- * If opportunistic is set wake up one waiter even if we do not have enough
- * free space by our strict accounting.
  */
 void
 xfs_log_space_wake(
-        struct xfs_mount        *mp,
-        bool                    opportunistic)
+        struct xfs_mount        *mp)
 {
-        struct xlog_ticket      *tic;
         struct log              *log = mp->m_log;
-        int                     need_bytes, free_bytes;
+        int                     free_bytes;
 
         if (XLOG_FORCED_SHUTDOWN(log))
                 return;
@@ -783,16 +778,7 @@ xfs_log_space_wake(
 
                 spin_lock(&log->l_grant_write_lock);
                 free_bytes = xlog_space_left(log, &log->l_grant_write_head);
-                list_for_each_entry(tic, &log->l_writeq, t_queue) {
-                        ASSERT(tic->t_flags & XLOG_TIC_PERM_RESERV);
-
-                        if (free_bytes < tic->t_unit_res && !opportunistic)
-                                break;
-                        opportunistic = false;
-                        free_bytes -= tic->t_unit_res;
-                        trace_xfs_log_regrant_write_wake_up(log, tic);
-                        wake_up(&tic->t_wait);
-                }
+                xlog_writeq_wake(log, &free_bytes);
                 spin_unlock(&log->l_grant_write_lock);
         }
 
@@ -801,18 +787,7 @@ xfs_log_space_wake(
 
                 spin_lock(&log->l_grant_reserve_lock);
                 free_bytes = xlog_space_left(log, &log->l_grant_reserve_head);
-                list_for_each_entry(tic, &log->l_reserveq, t_queue) {
-                        if (tic->t_flags & XLOG_TIC_PERM_RESERV)
-                                need_bytes = tic->t_unit_res*tic->t_cnt;
-                        else
-                                need_bytes = tic->t_unit_res;
-                        if (free_bytes < need_bytes && !opportunistic)
-                                break;
-                        opportunistic = false;
-                        free_bytes -= need_bytes;
-                        trace_xfs_log_grant_wake_up(log, tic);
-                        wake_up(&tic->t_wait);
-                }
+                xlog_reserveq_wake(log, &free_bytes);
                 spin_unlock(&log->l_grant_reserve_lock);
         }
 }
@@ -2748,7 +2723,7 @@ xlog_ungrant_log_space(xlog_t	     *log,
 
         trace_xfs_log_ungrant_exit(log, ticket);
 
-        xfs_log_space_wake(log->l_mp, false);
+        xfs_log_space_wake(log->l_mp);
 }
 
 /*
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index 58d858074e6b..fe32c6927877 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -161,8 +161,7 @@ int	  xfs_log_mount(struct xfs_mount	*mp,
                         int                     num_bblocks);
 int       xfs_log_mount_finish(struct xfs_mount *mp);
 xfs_lsn_t xlog_assign_tail_lsn(struct xfs_mount *mp);
-void      xfs_log_space_wake(struct xfs_mount   *mp,
-                             bool               opportunistic);
+void      xfs_log_space_wake(struct xfs_mount *mp);
 int       xfs_log_notify(struct xfs_mount       *mp,
                          struct xlog_in_core    *iclog,
                          xfs_log_callback_t     *callback_entry);
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 9d5fc089ea2e..1dead07f092c 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -671,7 +671,7 @@ xfs_trans_ail_update_bulk(
 
         if (mlip_changed && !XFS_FORCED_SHUTDOWN(ailp->xa_mount)) {
                 xlog_assign_tail_lsn(ailp->xa_mount);
-                xfs_log_space_wake(ailp->xa_mount, false);
+                xfs_log_space_wake(ailp->xa_mount);
         }
 }
 
@@ -733,7 +733,7 @@ xfs_trans_ail_delete_bulk(
 
         if (mlip_changed && !XFS_FORCED_SHUTDOWN(ailp->xa_mount)) {
                 xlog_assign_tail_lsn(ailp->xa_mount);
-                xfs_log_space_wake(ailp->xa_mount, false);
+                xfs_log_space_wake(ailp->xa_mount);
         }
 }