Signed-off-by: Kirill Tkhai <[email protected]>
---
drivers/md/dm-ploop-map.c | 54 +++++++++++++++++++++++----------------------
drivers/md/dm-ploop.h | 2 +-
2 files changed, 28 insertions(+), 28 deletions(-)
diff --git a/drivers/md/dm-ploop-map.c b/drivers/md/dm-ploop-map.c
index 15654d8bcf99..ee221a84152d 100644
--- a/drivers/md/dm-ploop-map.c
+++ b/drivers/md/dm-ploop-map.c
@@ -579,12 +579,12 @@ static void queue_or_fail(struct ploop *ploop, int err,
void *data)
static void complete_cow(struct ploop_cow *cow, blk_status_t bi_status)
{
unsigned int dst_cluster = cow->dst_cluster;
- struct pio *cluster_pio = cow->cluster_pio;
+ struct pio *aux_pio = cow->aux_pio;
struct ploop *ploop = cow->ploop;
unsigned long flags;
struct pio *cow_pio;
- WARN_ON_ONCE(!list_empty(&cluster_pio->list));
+ WARN_ON_ONCE(!list_empty(&aux_pio->list));
cow_pio = cow->cow_pio;
del_cluster_lk(ploop, cow_pio);
@@ -598,7 +598,7 @@ static void complete_cow(struct ploop_cow *cow,
blk_status_t bi_status)
queue_or_fail(ploop, blk_status_to_errno(bi_status), cow_pio);
queue_work(ploop->wq, &ploop->worker);
- free_pio_with_pages(ploop, cow->cluster_pio);
+ free_pio_with_pages(ploop, cow->aux_pio);
kmem_cache_free(cow_cache, cow);
}
@@ -724,7 +724,7 @@ static void ploop_bat_write_complete(struct ploop_index_wb
*piwb,
blk_status_t bi_status)
{
struct ploop *ploop = piwb->ploop;
- struct pio *cluster_pio;
+ struct pio *aux_pio;
struct ploop_cow *cow;
struct pio *data_pio;
unsigned long flags;
@@ -756,8 +756,8 @@ static void ploop_bat_write_complete(struct ploop_index_wb
*piwb,
pio_endio(data_pio);
}
- while ((cluster_pio = pio_list_pop(&piwb->cow_list))) {
- cow = cluster_pio->endio_cb_data;
+ while ((aux_pio = pio_list_pop(&piwb->cow_list))) {
+ cow = aux_pio->endio_cb_data;
complete_cow(cow, bi_status);
}
@@ -1137,14 +1137,14 @@ static void initiate_delta_read(struct ploop *ploop,
unsigned int level,
map_and_submit_rw(ploop, dst_cluster, pio, level);
}
-static void ploop_cow_endio(struct pio *cluster_pio, void *data, blk_status_t
bi_status)
+static void ploop_cow_endio(struct pio *aux_pio, void *data, blk_status_t
bi_status)
{
struct ploop_cow *cow = data;
struct ploop *ploop = cow->ploop;
unsigned long flags;
spin_lock_irqsave(&ploop->deferred_lock, flags);
- list_add_tail(&cluster_pio->list, &ploop->delta_cow_action_list);
+ list_add_tail(&aux_pio->list, &ploop->delta_cow_action_list);
spin_unlock_irqrestore(&ploop->deferred_lock, flags);
queue_work(ploop->wq, &ploop->worker);
@@ -1169,31 +1169,31 @@ static int submit_cluster_cow(struct ploop *ploop,
unsigned int level,
struct pio *cow_pio)
{
struct ploop_cow *cow = NULL;
- struct pio *pio = NULL;
+ struct pio *aux_pio = NULL;
/* Prepare new delta read */
- pio = alloc_pio_with_pages(ploop);
+ aux_pio = alloc_pio_with_pages(ploop);
cow = kmem_cache_alloc(cow_cache, GFP_NOIO);
- if (!pio || !cow)
+ if (!aux_pio || !cow)
goto err;
- init_pio(ploop, REQ_OP_READ, pio);
- pio_prepare_offsets(ploop, pio, cluster);
- pio->endio_cb = ploop_cow_endio;
- pio->endio_cb_data = cow;
+ init_pio(ploop, REQ_OP_READ, aux_pio);
+ pio_prepare_offsets(ploop, aux_pio, cluster);
+ aux_pio->endio_cb = ploop_cow_endio;
+ aux_pio->endio_cb_data = cow;
cow->ploop = ploop;
cow->dst_cluster = BAT_ENTRY_NONE;
- cow->cluster_pio = pio;
+ cow->aux_pio = aux_pio;
cow->cow_pio = cow_pio;
add_cluster_lk(ploop, cow_pio, cluster);
/* Stage #0: read secondary delta full cluster */
- map_and_submit_rw(ploop, dst_cluster, pio, level);
+ map_and_submit_rw(ploop, dst_cluster, aux_pio, level);
return 0;
err:
- if (pio)
- free_pio_with_pages(ploop, pio);
+ if (aux_pio)
+ free_pio_with_pages(ploop, aux_pio);
kfree(cow);
return -ENOMEM;
}
@@ -1210,7 +1210,7 @@ static void initiate_cluster_cow(struct ploop *ploop,
unsigned int level,
static void submit_cluster_write(struct ploop_cow *cow)
{
- struct pio *pio = cow->cluster_pio;
+ struct pio *pio = cow->aux_pio;
struct ploop *ploop = cow->ploop;
unsigned int dst_cluster;
@@ -1251,7 +1251,7 @@ static void submit_cow_index_wb(struct ploop_cow *cow,
if (piwb->page_nr != page_nr || piwb->type != PIWB_TYPE_ALLOC) {
/* Another BAT page wb is in process */
spin_lock_irq(&ploop->deferred_lock);
- list_add_tail(&cow->cluster_pio->list,
+ list_add_tail(&cow->aux_pio->list,
&ploop->delta_cow_action_list);
spin_unlock_irq(&ploop->deferred_lock);
queue_work(ploop->wq, &ploop->worker);
@@ -1268,7 +1268,7 @@ static void submit_cow_index_wb(struct ploop_cow *cow,
/* Prevent double clearing of holes_bitmap bit on complete_cow() */
cow->dst_cluster = BAT_ENTRY_NONE;
spin_lock_irq(&ploop->deferred_lock);
- list_add_tail(&cow->cluster_pio->list, &piwb->cow_list);
+ list_add_tail(&cow->aux_pio->list, &piwb->cow_list);
spin_unlock_irq(&ploop->deferred_lock);
out:
return;
@@ -1278,7 +1278,7 @@ static void submit_cow_index_wb(struct ploop_cow *cow,
static void process_delta_wb(struct ploop *ploop, struct ploop_index_wb *piwb)
{
- struct pio *cluster_pio;
+ struct pio *aux_pio;
struct ploop_cow *cow;
LIST_HEAD(cow_list);
@@ -1287,10 +1287,10 @@ static void process_delta_wb(struct ploop *ploop,
struct ploop_index_wb *piwb)
list_splice_tail_init(&ploop->delta_cow_action_list, &cow_list);
spin_unlock_irq(&ploop->deferred_lock);
- while ((cluster_pio = pio_list_pop(&cow_list)) != NULL) {
- cow = cluster_pio->endio_cb_data;
- if (unlikely(cluster_pio->bi_status != BLK_STS_OK)) {
- complete_cow(cow, cluster_pio->bi_status);
+ while ((aux_pio = pio_list_pop(&cow_list)) != NULL) {
+ cow = aux_pio->endio_cb_data;
+ if (unlikely(aux_pio->bi_status != BLK_STS_OK)) {
+ complete_cow(cow, aux_pio->bi_status);
continue;
}
diff --git a/drivers/md/dm-ploop.h b/drivers/md/dm-ploop.h
index 4e132156ff90..307dfe6135fe 100644
--- a/drivers/md/dm-ploop.h
+++ b/drivers/md/dm-ploop.h
@@ -253,7 +253,7 @@ struct pio {
/* Delta COW private */
struct ploop_cow {
struct ploop *ploop;
- struct pio *cluster_pio;
+ struct pio *aux_pio;
unsigned int dst_cluster;
struct pio *cow_pio;
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