Move the call to adjust_total_allocated to __link_buffer and
__unlink_buffer, so that only used buffers are counted. Reserved buffers
are not.
Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
---
drivers/md/dm-bufio.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
Index: linux-2.6/drivers/md/dm-bufio.c
===================================================================
--- linux-2.6.orig/drivers/md/dm-bufio.c 2019-09-10 09:35:40.000000000 +0200
+++ linux-2.6/drivers/md/dm-bufio.c 2019-09-10 16:36:06.000000000 +0200
@@ -432,8 +432,6 @@ static struct dm_buffer *alloc_buffer(st
return NULL;
}
- adjust_total_allocated(b->data_mode, (long)c->block_size);
-
#ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING
b->stack_len = 0;
#endif
@@ -447,8 +445,6 @@ static void free_buffer(struct dm_buffer
{
struct dm_bufio_client *c = b->c;
- adjust_total_allocated(b->data_mode, -(long)c->block_size);
-
free_buffer_data(c, b->data, b->data_mode);
kmem_cache_free(c->slab_buffer, b);
}
@@ -466,6 +462,8 @@ static void __link_buffer(struct dm_buff
list_add(&b->lru_list, &c->lru[dirty]);
__insert(b->c, b);
b->last_accessed = jiffies;
+
+ adjust_total_allocated(b->data_mode, (long)c->block_size);
}
/*
@@ -480,6 +478,8 @@ static void __unlink_buffer(struct dm_bu
c->n_buffers[b->list_mode]--;
__remove(b->c, b);
list_del(&b->lru_list);
+
+ adjust_total_allocated(b->data_mode, -(long)c->block_size);
}
/*
--
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