* pos is from 0 to (pool->pool_obds.op_count - 1)
*/
#define POOL_IT_MAGIC 0xB001CEA0
-struct pool_iterator {
- int magic;
- struct pool_desc *pool;
- int idx; /* from 0 to pool_tgt_size - 1 */
+struct lod_pool_iterator {
+ int lpi_magic;
+ int lpi_idx; /* from 0 to pool_tgt_size - 1 */
+ struct pool_desc *lpi_pool;
};
static void *pool_proc_next(struct seq_file *s, void *v, loff_t *pos)
{
- struct pool_iterator *iter = (struct pool_iterator *)s->private;
+ struct lod_pool_iterator *iter = s->private;
int prev_idx;
- LASSERTF(iter->magic == POOL_IT_MAGIC, "%08X", iter->magic);
+ LASSERTF(iter->lpi_magic == POOL_IT_MAGIC, "%08X", iter->lpi_magic);
/* test if end of file */
- if (*pos >= pool_tgt_count(iter->pool))
+ if (*pos >= pool_tgt_count(iter->lpi_pool))
return NULL;
/* iterate to find a non empty entry */
- prev_idx = iter->idx;
- down_read(&pool_tgt_rw_sem(iter->pool));
- iter->idx++;
- if (iter->idx == pool_tgt_count(iter->pool)) {
- iter->idx = prev_idx; /* we stay on the last entry */
- up_read(&pool_tgt_rw_sem(iter->pool));
+ prev_idx = iter->lpi_idx;
+ down_read(&pool_tgt_rw_sem(iter->lpi_pool));
+ iter->lpi_idx++;
+ if (iter->lpi_idx == pool_tgt_count(iter->lpi_pool)) {
+ iter->lpi_idx = prev_idx; /* we stay on the last entry */
+ up_read(&pool_tgt_rw_sem(iter->lpi_pool));
return NULL;
}
- up_read(&pool_tgt_rw_sem(iter->pool));
+ up_read(&pool_tgt_rw_sem(iter->lpi_pool));
(*pos)++;
/* return != NULL to continue */
return iter;
static void *pool_proc_start(struct seq_file *s, loff_t *pos)
{
- struct pool_desc *pool = (struct pool_desc *)s->private;
- struct pool_iterator *iter;
+ struct pool_desc *pool = s->private;
+ struct lod_pool_iterator *iter;
lod_pool_getref(pool);
if ((pool_tgt_count(pool) == 0) ||
OBD_ALLOC_PTR(iter);
if (!iter)
return ERR_PTR(-ENOMEM);
- iter->magic = POOL_IT_MAGIC;
- iter->pool = pool;
- iter->idx = 0;
+ iter->lpi_magic = POOL_IT_MAGIC;
+ iter->lpi_pool = pool;
+ iter->lpi_idx = 0;
/* we use seq_file private field to memorized iterator so
* we can free it at stop() */
static void pool_proc_stop(struct seq_file *s, void *v)
{
- struct pool_iterator *iter = (struct pool_iterator *)s->private;
+ struct lod_pool_iterator *iter = s->private;
/* in some cases stop() method is called 2 times, without
* calling start() method (see seq_read() from fs/seq_file.c)
* we have to free only if s->private is an iterator */
- if ((iter) && (iter->magic == POOL_IT_MAGIC)) {
+ if (iter != NULL && (iter->lpi_magic == POOL_IT_MAGIC)) {
/* we restore s->private so next call to pool_proc_start()
* will work */
- s->private = iter->pool;
- lod_pool_putref(iter->pool);
+ s->private = iter->lpi_pool;
+ lod_pool_putref(iter->lpi_pool);
OBD_FREE_PTR(iter);
}
return;
static int pool_proc_show(struct seq_file *s, void *v)
{
- struct pool_iterator *iter = (struct pool_iterator *)v;
+ struct lod_pool_iterator *iter = v;
struct lod_tgt_desc *osc_desc;
- LASSERTF(iter->magic == POOL_IT_MAGIC, "%08X", iter->magic);
- LASSERT(iter->pool != NULL);
- LASSERT(iter->idx <= pool_tgt_count(iter->pool));
+ LASSERTF(iter->lpi_magic == POOL_IT_MAGIC, "%08X", iter->lpi_magic);
+ LASSERT(iter->lpi_pool != NULL);
+ LASSERT(iter->lpi_idx <= pool_tgt_count(iter->lpi_pool));
- down_read(&pool_tgt_rw_sem(iter->pool));
- osc_desc = pool_tgt(iter->pool, iter->idx);
- up_read(&pool_tgt_rw_sem(iter->pool));
+ down_read(&pool_tgt_rw_sem(iter->lpi_pool));
+ osc_desc = pool_tgt(iter->lpi_pool, iter->lpi_idx);
+ up_read(&pool_tgt_rw_sem(iter->lpi_pool));
if (osc_desc)
seq_printf(s, "%s\n", obd_uuid2str(&(osc_desc->ltd_uuid)));
new_pool,
&pool_proc_operations);
if (IS_ERR(new_pool->pool_proc_entry)) {
- CWARN("Cannot add proc pool entry "LOV_POOLNAMEF"\n", poolname);
+ CDEBUG(D_CONFIG, "%s: cannot add proc entry "LOV_POOLNAMEF"\n",
+ obd->obd_name, poolname);
new_pool->pool_proc_entry = NULL;
lod_pool_putref(new_pool);
}
- CDEBUG(D_INFO, "pool %p - proc %p\n", new_pool, new_pool->pool_proc_entry);
+ CDEBUG(D_INFO, "pool %p - proc %p\n", new_pool,
+ new_pool->pool_proc_entry);
#endif
spin_lock(&obd->obd_dev_lock);
if (poolname[0] != '\0') {
pool = cfs_hash_lookup(lod->lod_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);
+ CDEBUG(D_CONFIG, "%s: request for an unknown pool ("
+ LOV_POOLNAMEF")\n",
+ lod->lod_child_exp->exp_obd->obd_name, poolname);
+ if (pool != NULL && pool_tgt_count(pool) == 0) {
+ CDEBUG(D_CONFIG, "%s: request for an empty pool ("
+ LOV_POOLNAMEF")\n",
+ lod->lod_child_exp->exp_obd->obd_name, poolname);
/* pool is ignored, so we remove ref on it */
lod_pool_putref(pool);
pool = NULL;