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OpenCloudOS-Kernel
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dm bufio: call adjust_total_allocated from __link_buffer and __unlink_buffer 

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@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mikulas Patocka 2019-09-12 10:44:44 +02:00 committed by Mike Snitzer
parent 7431b7835f
commit 26d2ef0cd0
1 changed files with 4 additions and 4 deletions
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8
drivers/md/dm-bufio.c
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@ -431,8 +431,6 @@ static struct dm_buffer *alloc_buffer(struct dm_bufio_client *c, gfp_t gfp_mask)
return NULL;
}
adjust_total_allocated(b->data_mode, (long)c->block_size);
#ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING
b->stack_len = 0;
#endif
@ -446,8 +444,6 @@ static void free_buffer(struct dm_buffer *b)
{
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);
}
@ -465,6 +461,8 @@ static void __link_buffer(struct dm_buffer *b, sector_t block, int dirty)
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);
}
/*
@ -479,6 +477,8 @@ static void __unlink_buffer(struct dm_buffer *b)
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);
}
/*