LU-12624 lod: alloc dir stripes by QoS

[fs/lustre-release.git] / lustre / lod / lod_pool.c

diff --git a/lustre/lod/lod_pool.c b/lustre/lod/lod_pool.c
index 1b15f6c..51cff07 100644 (file)
--- a/lustre/lod/lod_pool.c
+++ b/lustre/lod/lod_pool.c
@@ -23,7 +23,7 @@
  * Copyright  2008 Sun Microsystems, Inc. All rights reserved
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, 2014, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -99,8 +99,8 @@ void lod_pool_putref(struct pool_desc *pool)
                LASSERT(hlist_unhashed(&pool->pool_hash));
                LASSERT(list_empty(&pool->pool_list));
                LASSERT(pool->pool_proc_entry == NULL);
-               lod_ost_pool_free(&(pool->pool_rr.lqr_pool));
-               lod_ost_pool_free(&(pool->pool_obds));
+               lod_tgt_pool_free(&(pool->pool_rr.lqr_pool));
+               lod_tgt_pool_free(&(pool->pool_obds));
                OBD_FREE_PTR(pool);
                EXIT;
        }
@@ -464,7 +464,7 @@ void lod_dump_pool(int level, struct pool_desc *pool)
  * \retval             negative error number on failure
  */
 #define POOL_INIT_COUNT 2
-int lod_ost_pool_init(struct ost_pool *op, unsigned int count)
+int lod_tgt_pool_init(struct lu_tgt_pool *op, unsigned int count)
 {
        ENTRY;
 
@@ -496,7 +496,7 @@ int lod_ost_pool_init(struct ost_pool *op, unsigned int count)
  * \retval             0 on success
  * \retval             negative error number on failure.
  */
-int lod_ost_pool_extend(struct ost_pool *op, unsigned int min_count)
+int lod_tgt_pool_extend(struct lu_tgt_pool *op, unsigned int min_count)
 {
        __u32 *new;
        __u32 new_size;
@@ -534,7 +534,7 @@ int lod_ost_pool_extend(struct ost_pool *op, unsigned int min_count)
  * \retval             0 if target could be added to the pool
  * \retval             negative error if target \a idx was not added
  */
-int lod_ost_pool_add(struct ost_pool *op, __u32 idx, unsigned int min_count)
+int lod_tgt_pool_add(struct lu_tgt_pool *op, __u32 idx, unsigned int min_count)
 {
        unsigned int i;
        int rc = 0;
@@ -542,7 +542,7 @@ int lod_ost_pool_add(struct ost_pool *op, __u32 idx, unsigned int min_count)
 
        down_write(&op->op_rw_sem);
 
-       rc = lod_ost_pool_extend(op, min_count);
+       rc = lod_tgt_pool_extend(op, min_count);
        if (rc)
                GOTO(out, rc);
 
@@ -574,7 +574,7 @@ out:
  * \retval             0 on success
  * \retval             negative error number on failure
  */
-int lod_ost_pool_remove(struct ost_pool *op, __u32 idx)
+int lod_tgt_pool_remove(struct lu_tgt_pool *op, __u32 idx)
 {
        unsigned int i;
        ENTRY;
@@ -608,7 +608,7 @@ int lod_ost_pool_remove(struct ost_pool *op, __u32 idx)
  *
  * \retval             0 on success or if pool was already freed
  */
-int lod_ost_pool_free(struct ost_pool *op)
+int lod_tgt_pool_free(struct lu_tgt_pool *op)
 {
        ENTRY;
 
@@ -657,12 +657,13 @@ int lod_pool_new(struct obd_device *obd, char *poolname)
        strlcpy(new_pool->pool_name, poolname, sizeof(new_pool->pool_name));
        new_pool->pool_lobd = obd;
        atomic_set(&new_pool->pool_refcount, 1);
-       rc = lod_ost_pool_init(&new_pool->pool_obds, 0);
+       rc = lod_tgt_pool_init(&new_pool->pool_obds, 0);
        if (rc)
                GOTO(out_err, rc);
 
-       lod_qos_rr_init(&new_pool->pool_rr);
-       rc = lod_ost_pool_init(&new_pool->pool_rr.lqr_pool, 0);
+       lu_qos_rr_init(&new_pool->pool_rr);
+
+       rc = lod_tgt_pool_init(&new_pool->pool_rr.lqr_pool, 0);
        if (rc)
                GOTO(out_free_pool_obds, rc);
 
@@ -707,9 +708,9 @@ out_err:
 
        lprocfs_remove(&new_pool->pool_proc_entry);
 
-       lod_ost_pool_free(&new_pool->pool_rr.lqr_pool);
+       lod_tgt_pool_free(&new_pool->pool_rr.lqr_pool);
 out_free_pool_obds:
-       lod_ost_pool_free(&new_pool->pool_obds);
+       lod_tgt_pool_free(&new_pool->pool_obds);
        OBD_FREE_PTR(new_pool);
        return rc;
 }
@@ -765,11 +766,11 @@ int lod_pool_del(struct obd_device *obd, char *poolname)
  */
 int lod_pool_add(struct obd_device *obd, char *poolname, char *ostname)
 {
-       struct lod_device       *lod = lu2lod_dev(obd->obd_lu_dev);
-       struct obd_uuid          ost_uuid;
-       struct pool_desc        *pool;
-       unsigned int             idx;
-       int                      rc = -EINVAL;
+       struct lod_device *lod = lu2lod_dev(obd->obd_lu_dev);
+       struct obd_uuid ost_uuid;
+       struct pool_desc *pool;
+       struct lu_tgt_desc *tgt;
+       int rc = -EINVAL;
        ENTRY;
 
        pool = cfs_hash_lookup(lod->lod_pools_hash_body, poolname);
@@ -780,8 +781,8 @@ int lod_pool_add(struct obd_device *obd, char *poolname, char *ostname)
 
        /* search ost in lod array */
        lod_getref(&lod->lod_ost_descs);
-       lod_foreach_ost(lod, idx) {
-               if (obd_uuid_equals(&ost_uuid, &OST_TGT(lod, idx)->ltd_uuid)) {
+       lod_foreach_ost(lod, tgt) {
+               if (obd_uuid_equals(&ost_uuid, &tgt->ltd_uuid)) {
                        rc = 0;
                        break;
                }
@@ -790,7 +791,8 @@ int lod_pool_add(struct obd_device *obd, char *poolname, char *ostname)
        if (rc)
                GOTO(out, rc);
 
-       rc = lod_ost_pool_add(&pool->pool_obds, idx, lod->lod_osts_size);
+       rc = lod_tgt_pool_add(&pool->pool_obds, tgt->ltd_index,
+                             lod->lod_ost_count);
        if (rc)
                GOTO(out, rc);
 
@@ -822,11 +824,11 @@ out:
  */
 int lod_pool_remove(struct obd_device *obd, char *poolname, char *ostname)
 {
-       struct lod_device       *lod = lu2lod_dev(obd->obd_lu_dev);
-       struct obd_uuid          ost_uuid;
-       struct pool_desc        *pool;
-       unsigned int             idx;
-       int                      rc = -EINVAL;
+       struct lod_device *lod = lu2lod_dev(obd->obd_lu_dev);
+       struct lu_tgt_desc *ost;
+       struct obd_uuid ost_uuid;
+       struct pool_desc *pool;
+       int rc = -EINVAL;
        ENTRY;
 
        pool = cfs_hash_lookup(lod->lod_pools_hash_body, poolname);
@@ -836,8 +838,8 @@ int lod_pool_remove(struct obd_device *obd, char *poolname, char *ostname)
        obd_str2uuid(&ost_uuid, ostname);
 
        lod_getref(&lod->lod_ost_descs);
-       cfs_foreach_bit(lod->lod_ost_bitmap, idx) {
-               if (obd_uuid_equals(&ost_uuid, &OST_TGT(lod, idx)->ltd_uuid)) {
+       lod_foreach_ost(lod, ost) {
+               if (obd_uuid_equals(&ost_uuid, &ost->ltd_uuid)) {
                        rc = 0;
                        break;
                }
@@ -847,8 +849,7 @@ int lod_pool_remove(struct obd_device *obd, char *poolname, char *ostname)
        if (rc)
                GOTO(out, rc);
 
-       lod_ost_pool_remove(&pool->pool_obds, idx);
-
+       lod_tgt_pool_remove(&pool->pool_obds, ost->ltd_index);
        pool->pool_rr.lqr_dirty = 1;
 
        CDEBUG(D_CONFIG, "%s removed from "LOV_POOLNAMEF"\n", ostname,