LU-812 compat: clean up mutex lock to use kernel mutex primitive

[fs/lustre-release.git] / lustre / lov / lov_obd.c

diff --git a/lustre/lov/lov_obd.c b/lustre/lov/lov_obd.c
index c54a446..13963b0 100644 (file)
--- a/lustre/lov/lov_obd.c
+++ b/lustre/lov/lov_obd.c
@@ -77,9 +77,9 @@ static void lov_getref(struct obd_device *obd)
         struct lov_obd *lov = &obd->u.lov;
 
         /* nobody gets through here until lov_putref is done */
-        cfs_mutex_down(&lov->lov_lock);
+        cfs_mutex_lock(&lov->lov_lock);
         cfs_atomic_inc(&lov->lov_refcount);
-        cfs_mutex_up(&lov->lov_lock);
+        cfs_mutex_unlock(&lov->lov_lock);
         return;
 }
 
@@ -89,7 +89,7 @@ static void lov_putref(struct obd_device *obd)
 {
         struct lov_obd *lov = &obd->u.lov;
 
-        cfs_mutex_down(&lov->lov_lock);
+        cfs_mutex_lock(&lov->lov_lock);
         /* ok to dec to 0 more than once -- ltd_exp's will be null */
         if (cfs_atomic_dec_and_test(&lov->lov_refcount) && lov->lov_death_row) {
                 CFS_LIST_HEAD(kill);
@@ -110,7 +110,7 @@ static void lov_putref(struct obd_device *obd)
                         lov->lov_tgts[i] = NULL;
                         lov->lov_death_row--;
                 }
-                cfs_mutex_up(&lov->lov_lock);
+                cfs_mutex_unlock(&lov->lov_lock);
 
                 cfs_list_for_each_entry_safe(tgt, n, &kill, ltd_kill) {
                         cfs_list_del(&tgt->ltd_kill);
@@ -118,7 +118,7 @@ static void lov_putref(struct obd_device *obd)
                         __lov_del_obd(obd, tgt);
                 }
         } else {
-                cfs_mutex_up(&lov->lov_lock);
+                cfs_mutex_unlock(&lov->lov_lock);
         }
 }
 
@@ -550,13 +550,13 @@ static int lov_add_target(struct obd_device *obd, struct obd_uuid *uuidp,
         if (tgt_obd == NULL)
                 RETURN(-EINVAL);
 
-        cfs_mutex_down(&lov->lov_lock);
+        cfs_mutex_lock(&lov->lov_lock);
 
         if ((index < lov->lov_tgt_size) && (lov->lov_tgts[index] != NULL)) {
                 tgt = lov->lov_tgts[index];
                 CERROR("UUID %s already assigned at LOV target index %d\n",
                        obd_uuid2str(&tgt->ltd_uuid), index);
-                cfs_mutex_up(&lov->lov_lock);
+                cfs_mutex_unlock(&lov->lov_lock);
                 RETURN(-EEXIST);
         }
 
@@ -570,7 +570,7 @@ static int lov_add_target(struct obd_device *obd, struct obd_uuid *uuidp,
                         newsize = newsize << 1;
                 OBD_ALLOC(newtgts, sizeof(*newtgts) * newsize);
                 if (newtgts == NULL) {
-                        cfs_mutex_up(&lov->lov_lock);
+                        cfs_mutex_unlock(&lov->lov_lock);
                         RETURN(-ENOMEM);
                 }
 
@@ -595,13 +595,13 @@ static int lov_add_target(struct obd_device *obd, struct obd_uuid *uuidp,
 
         OBD_ALLOC_PTR(tgt);
         if (!tgt) {
-                cfs_mutex_up(&lov->lov_lock);
+                cfs_mutex_unlock(&lov->lov_lock);
                 RETURN(-ENOMEM);
         }
 
         rc = lov_ost_pool_add(&lov->lov_packed, index, lov->lov_tgt_size);
         if (rc) {
-                cfs_mutex_up(&lov->lov_lock);
+                cfs_mutex_unlock(&lov->lov_lock);
                 OBD_FREE_PTR(tgt);
                 RETURN(rc);
         }
@@ -616,7 +616,7 @@ static int lov_add_target(struct obd_device *obd, struct obd_uuid *uuidp,
         if (index >= lov->desc.ld_tgt_count)
                 lov->desc.ld_tgt_count = index + 1;
 
-        cfs_mutex_up(&lov->lov_lock);
+        cfs_mutex_unlock(&lov->lov_lock);
 
         CDEBUG(D_CONFIG, "idx=%d ltd_gen=%d ld_tgt_count=%d\n",
                 index, tgt->ltd_gen, lov->desc.ld_tgt_count);
@@ -805,7 +805,7 @@ int lov_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
         lov->desc = *desc;
         lov->lov_tgt_size = 0;
 
-        cfs_sema_init(&lov->lov_lock, 1);
+        cfs_mutex_init(&lov->lov_lock);
         cfs_atomic_set(&lov->lov_refcount, 0);
         CFS_INIT_LIST_HEAD(&lov->lov_qos.lq_oss_list);
         cfs_init_rwsem(&lov->lov_qos.lq_rw_sem);