From 40a00c3d2962a241de7093c9680bba9ee5e0bae1 Mon Sep 17 00:00:00 2001
From: huanghua <huanghua>
Date: Thu, 20 Sep 2007 07:06:27 +0000
Subject: [PATCH] Branch b1_6 b=11401 i=shadow i=tappro

- use cfs_* macros and functions instead of linux primitives (a=12609)
- cast fixing (a=12706)
---
 lustre/include/lustre_mds.h |  2 +-
 lustre/llite/statahead.c    | 32 ++++++++++++++++++--------------
 2 files changed, 19 insertions(+), 15 deletions(-)

diff --git a/lustre/include/lustre_mds.h b/lustre/include/lustre_mds.h
index 0759c5f..268d98e 100644
--- a/lustre/include/lustre_mds.h
+++ b/lustre/include/lustre_mds.h
@@ -242,7 +242,7 @@ struct md_enqueue_info {
         struct lustre_handle    mi_lockh;
         struct dentry          *mi_dentry;
         md_enqueue_cb_t         mi_cb;
-        void                   *mi_cbdata;
+        int                     mi_cbdata;
 };
 
 struct mdc_enqueue_args {
diff --git a/lustre/llite/statahead.c b/lustre/llite/statahead.c
index 67af5aa..1b41f97 100644
--- a/lustre/llite/statahead.c
+++ b/lustre/llite/statahead.c
@@ -54,8 +54,8 @@ static struct ll_statahead_info *ll_sai_alloc(void)
                 return NULL;
 
         sai->sai_max = LL_STATAHEAD_MIN;
-        init_waitqueue_head(&sai->sai_thread.t_ctl_waitq);
-        INIT_LIST_HEAD(&sai->sai_entries);
+        cfs_waitq_init(&sai->sai_thread.t_ctl_waitq);
+        CFS_INIT_LIST_HEAD(&sai->sai_entries);
         atomic_set(&sai->sai_refc, 1);
         return sai;
 }
@@ -252,9 +252,9 @@ out:
         sai = lli->lli_sai;
         if (sai) {
                 lli->lli_sai->sai_replied++;
-                ll_sai_entry_set(lli->lli_sai, (int)minfo->mi_cbdata,
+                ll_sai_entry_set(lli->lli_sai, minfo->mi_cbdata,
                                  SA_ENTRY_STATED);
-                wake_up(&lli->lli_sai->sai_thread.t_ctl_waitq);
+                cfs_waitq_signal(&lli->lli_sai->sai_thread.t_ctl_waitq);
         }
         spin_unlock(&lli->lli_lock);
         ll_intent_release(it);
@@ -294,7 +294,7 @@ static int sa_args_prep(struct inode *dir, struct dentry *dentry,
         minfo->mi_it.it_op = IT_GETATTR;
         minfo->mi_dentry = dentry;
         minfo->mi_cb = ll_statahead_interpret;
-        minfo->mi_cbdata = (void *)lli->lli_sai->sai_sent;
+        minfo->mi_cbdata = lli->lli_sai->sai_sent;
 
         einfo->ei_type   = LDLM_IBITS;
         einfo->ei_mode   = it_to_lock_mode(&minfo->mi_it);
@@ -360,7 +360,7 @@ static int do_sa_revalidate(struct dentry *dentry)
         if (rc == 1) {
                 ll_intent_release(&it);
                 lli->lli_sai->sai_cached++;
-                wake_up(&lli->lli_sai->sai_thread.t_ctl_waitq);
+                cfs_waitq_signal(&lli->lli_sai->sai_thread.t_ctl_waitq);
                 RETURN(1);
         }
 
@@ -446,7 +446,7 @@ out:
                 CDEBUG(D_READA, "set sai entry %p index %d stat %d, rc %d\n",
                        se, se->se_index, se->se_stat, rc);
                 se->se_stat = rc;
-                wake_up(&lli->lli_sai->sai_thread.t_ctl_waitq);
+                cfs_waitq_signal(&lli->lli_sai->sai_thread.t_ctl_waitq);
         }
         lli->lli_sai->sai_sent++;
         return rc;
@@ -489,7 +489,7 @@ static int ll_statahead_thread(void *arg)
         snprintf(name, 15, "ll_sa_%u", sta->sta_pid);
         cfs_daemonize(name);
         thread->t_flags = SVC_RUNNING;
-        wake_up(&thread->t_ctl_waitq);
+        cfs_waitq_signal(&thread->t_ctl_waitq);
         CDEBUG(D_READA, "start doing statahead for %s\n", parent->d_name.name);
 
         if (sai->sai_ls_all)
@@ -588,7 +588,7 @@ static int ll_statahead_thread(void *arg)
         EXIT;
 out:
         thread->t_flags = SVC_STOPPED;
-        wake_up(&thread->t_ctl_waitq);
+        cfs_waitq_signal(&thread->t_ctl_waitq);
         lli->lli_opendir_pid = 0; /* avoid statahead again */
         ll_sai_put(sai);
         dput(parent);
@@ -609,6 +609,7 @@ void ll_stop_statahead(struct inode *inode)
 
         spin_lock(&lli->lli_lock);
         if (lli->lli_sai) {
+                struct l_wait_info lwi = { 0 };
                 ll_sai_get(lli->lli_sai);
                 spin_unlock(&lli->lli_lock);
 
@@ -616,8 +617,9 @@ void ll_stop_statahead(struct inode *inode)
                        current->pid);
                 thread = &lli->lli_sai->sai_thread;
                 thread->t_flags = SVC_STOPPING;
-                wake_up(&thread->t_ctl_waitq);
-                wait_event(thread->t_ctl_waitq, thread->t_flags & SVC_STOPPED);
+                cfs_waitq_signal(&thread->t_ctl_waitq);
+                l_wait_event(thread->t_ctl_waitq, thread->t_flags & SVC_STOPPED,
+                             &lwi);
                 ll_sai_put(lli->lli_sai);
 
                 return;
@@ -723,6 +725,7 @@ int ll_statahead_enter(struct inode *dir, struct dentry **dentryp, int lookup)
         struct ll_inode_info     *lli = ll_i2info(dir);
         struct ll_statahead_info *sai;
         struct ll_sa_thread_args  sta;
+        struct l_wait_info        lwi = { 0 };
         int                       rc;
         ENTRY;
 
@@ -807,8 +810,9 @@ int ll_statahead_enter(struct inode *dir, struct dentry **dentryp, int lookup)
                 RETURN(rc);
         }
 
-        wait_event(sai->sai_thread.t_ctl_waitq, 
-                   sai->sai_thread.t_flags & (SVC_RUNNING | SVC_STOPPED));
+        l_wait_event(sai->sai_thread.t_ctl_waitq, 
+                     sai->sai_thread.t_flags & (SVC_RUNNING | SVC_STOPPED),
+                     &lwi);
         ll_sai_put(sai);
 
         /* we don't stat-ahead for the first dirent since we are already in
@@ -854,7 +858,7 @@ void ll_statahead_exit(struct dentry *dentry, int result)
                                sai->sai_hit, sai->sai_miss);
                         ll_sai_entry_put(sai);
                 }
-                wake_up(&sai->sai_thread.t_ctl_waitq);
+                cfs_waitq_signal(&sai->sai_thread.t_ctl_waitq);
         }
         spin_unlock(&lli->lli_lock);
 }
-- 
1.8.3.1