LU-2622 obdclass: Remove the global cl_env list

[fs/lustre-release.git] / lustre / obdclass / lu_object.c

diff --git a/lustre/obdclass/lu_object.c b/lustre/obdclass/lu_object.c
index fc2596f..41add70 100644 (file)
--- a/lustre/obdclass/lu_object.c
+++ b/lustre/obdclass/lu_object.c
@@ -317,6 +317,9 @@ int lu_site_purge(const struct lu_env *env, struct lu_site *s, int nr)
         int                      bnr;
         int                      i;
 
+       if (OBD_FAIL_CHECK(OBD_FAIL_OBD_NO_LRU))
+               RETURN(0);
+
         CFS_INIT_LIST_HEAD(&dispose);
         /*
          * Under LRU list lock, scan LRU list and move unreferenced objects to
@@ -1488,13 +1491,11 @@ static CFS_LIST_HEAD(lu_context_remembered);
 void lu_context_key_quiesce(struct lu_context_key *key)
 {
         struct lu_context *ctx;
-        extern unsigned cl_env_cache_purge(unsigned nr);
 
         if (!(key->lct_tags & LCT_QUIESCENT)) {
                 /*
                  * XXX layering violation.
                  */
-                cl_env_cache_purge(~0);
                 key->lct_tags |= LCT_QUIESCENT;
                 /*
                  * XXX memory barrier has to go here.
@@ -1916,9 +1917,9 @@ int lu_printk_printer(const struct lu_env *env,
         return 0;
 }
 
-void lu_debugging_setup(void)
+int lu_debugging_setup(void)
 {
-        lu_env_init(&lu_debugging_env, ~0);
+       return lu_env_init(&lu_debugging_env, ~0);
 }
 
 void lu_context_keys_dump(void)
@@ -2226,3 +2227,33 @@ struct lu_object *lu_object_anon(const struct lu_env *env,
        return o;
 }
 EXPORT_SYMBOL(lu_object_anon);
+
+void lu_buf_free(struct lu_buf *buf)
+{
+       LASSERT(buf);
+       if (buf->lb_buf) {
+               LASSERT(buf->lb_len > 0);
+               OBD_FREE_LARGE(buf->lb_buf, buf->lb_len);
+               buf->lb_buf = NULL;
+               buf->lb_len = 0;
+       }
+}
+EXPORT_SYMBOL(lu_buf_free);
+
+void lu_buf_alloc(struct lu_buf *buf, int size)
+{
+       LASSERT(buf);
+       LASSERT(buf->lb_buf == NULL);
+       LASSERT(buf->lb_len == 0);
+       OBD_ALLOC_LARGE(buf->lb_buf, size);
+       if (likely(buf->lb_buf))
+               buf->lb_len = size;
+}
+EXPORT_SYMBOL(lu_buf_alloc);
+
+void lu_buf_realloc(struct lu_buf *buf, int size)
+{
+       lu_buf_free(buf);
+       lu_buf_alloc(buf, size);
+}
+EXPORT_SYMBOL(lu_buf_realloc);