/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
static void lov_pool_getref(struct pool_desc *pool)
{
- CDEBUG(D_INFO, "pool %p\n", pool);
- cfs_atomic_inc(&pool->pool_refcount);
+ CDEBUG(D_INFO, "pool %p\n", pool);
+ atomic_inc(&pool->pool_refcount);
}
void lov_pool_putref(struct pool_desc *pool)
{
- CDEBUG(D_INFO, "pool %p\n", pool);
- if (cfs_atomic_dec_and_test(&pool->pool_refcount)) {
- LASSERT(cfs_hlist_unhashed(&pool->pool_hash));
- LASSERT(cfs_list_empty(&pool->pool_list));
- LASSERT(pool->pool_proc_entry == NULL);
- lov_ost_pool_free(&(pool->pool_rr.lqr_pool));
- lov_ost_pool_free(&(pool->pool_obds));
- OBD_FREE_PTR(pool);
- EXIT;
- }
+ CDEBUG(D_INFO, "pool %p\n", pool);
+ if (atomic_dec_and_test(&pool->pool_refcount)) {
+ LASSERT(hlist_unhashed(&pool->pool_hash));
+ LASSERT(list_empty(&pool->pool_list));
+ LASSERT(pool->pool_proc_entry == NULL);
+ lov_ost_pool_free(&(pool->pool_obds));
+ OBD_FREE_PTR(pool);
+ EXIT;
+ }
}
void lov_pool_putref_locked(struct pool_desc *pool)
{
- CDEBUG(D_INFO, "pool %p\n", pool);
- LASSERT(cfs_atomic_read(&pool->pool_refcount) > 1);
+ CDEBUG(D_INFO, "pool %p\n", pool);
+ LASSERT(atomic_read(&pool->pool_refcount) > 1);
- cfs_atomic_dec(&pool->pool_refcount);
+ atomic_dec(&pool->pool_refcount);
}
/*
rc = seq_open(file, &pool_proc_ops);
if (!rc) {
struct seq_file *s = file->private_data;
- s->private = PROC_I(inode)->pde->data;
+ s->private = PDE_DATA(inode);
}
return rc;
}
if (new_pool == NULL)
RETURN(-ENOMEM);
- strncpy(new_pool->pool_name, poolname, LOV_MAXPOOLNAME);
- new_pool->pool_name[LOV_MAXPOOLNAME] = '\0';
+ strncpy(new_pool->pool_name, poolname, LOV_MAXPOOLNAME);
+ new_pool->pool_name[LOV_MAXPOOLNAME] = '\0';
new_pool->pool_lobd = obd;
- /* ref count init to 1 because when created a pool is always used
- * up to deletion
- */
- cfs_atomic_set(&new_pool->pool_refcount, 1);
- rc = lov_ost_pool_init(&new_pool->pool_obds, 0);
- if (rc)
- GOTO(out_err, rc);
-
- memset(&(new_pool->pool_rr), 0, sizeof(struct lov_qos_rr));
- rc = lov_ost_pool_init(&new_pool->pool_rr.lqr_pool, 0);
- if (rc)
- GOTO(out_free_pool_obds, rc);
+ /* ref count init to 1 because when created a pool is always used
+ * up to deletion
+ */
+ atomic_set(&new_pool->pool_refcount, 1);
+ rc = lov_ost_pool_init(&new_pool->pool_obds, 0);
+ if (rc)
+ GOTO(out_err, rc);
CFS_INIT_HLIST_NODE(&new_pool->pool_hash);
/* get ref for /proc file */
lov_pool_getref(new_pool);
new_pool->pool_proc_entry = lprocfs_add_simple(lov->lov_pool_proc_entry,
- poolname, NULL, NULL,
- new_pool,
- &pool_proc_operations);
+ poolname,
+#ifndef HAVE_ONLY_PROCFS_SEQ
+ NULL, NULL,
+#endif
+ new_pool,
+ &pool_proc_operations);
if (IS_ERR(new_pool->pool_proc_entry)) {
CWARN("Cannot add proc pool entry "LOV_POOLNAMEF"\n", poolname);
new_pool->pool_proc_entry = NULL;
cfs_list_del_init(&new_pool->pool_list);
lov->lov_pool_count--;
spin_unlock(&obd->obd_dev_lock);
-
lprocfs_remove(&new_pool->pool_proc_entry);
+ lov_ost_pool_free(&new_pool->pool_obds);
+ OBD_FREE_PTR(new_pool);
- lov_ost_pool_free(&new_pool->pool_rr.lqr_pool);
-out_free_pool_obds:
- lov_ost_pool_free(&new_pool->pool_obds);
- OBD_FREE_PTR(new_pool);
- return rc;
+ return rc;
}
int lov_pool_del(struct obd_device *obd, char *poolname)
if (rc)
GOTO(out, rc);
- pool->pool_rr.lqr_dirty = 1;
-
CDEBUG(D_CONFIG, "Added %s to "LOV_POOLNAMEF" as member %d\n",
ostname, poolname, pool_tgt_count(pool));
lov_ost_pool_remove(&pool->pool_obds, lov_idx);
- pool->pool_rr.lqr_dirty = 1;
-
CDEBUG(D_CONFIG, "%s removed from "LOV_POOLNAMEF"\n", ostname,
poolname);
lov_pool_putref(pool);
return rc;
}
-
-int lov_check_index_in_pool(__u32 idx, struct pool_desc *pool)
-{
- int i, rc;
- ENTRY;
-
- /* caller may no have a ref on pool if it got the pool
- * without calling lov_find_pool() (e.g. go through the lov pool
- * list)
- */
- lov_pool_getref(pool);
-
- down_read(&pool_tgt_rw_sem(pool));
-
- for (i = 0; i < pool_tgt_count(pool); i++) {
- if (pool_tgt_array(pool)[i] == idx)
- GOTO(out, rc = 0);
- }
- rc = -ENOENT;
- EXIT;
-out:
- up_read(&pool_tgt_rw_sem(pool));
-
- lov_pool_putref(pool);
- return rc;
-}
-
-struct pool_desc *lov_find_pool(struct lov_obd *lov, char *poolname)
-{
- struct pool_desc *pool;
-
- pool = NULL;
- if (poolname[0] != '\0') {
- pool = cfs_hash_lookup(lov->lov_pools_hash_body, poolname);
- if (pool == NULL)
- CWARN("Request for an unknown pool ("LOV_POOLNAMEF")\n",
- poolname);
- if ((pool != NULL) && (pool_tgt_count(pool) == 0)) {
- CWARN("Request for an empty pool ("LOV_POOLNAMEF")\n",
- poolname);
- /* pool is ignored, so we remove ref on it */
- lov_pool_putref(pool);
- pool = NULL;
- }
- }
- return pool;
-}
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff