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Subject[PATCH 59/62] zcache: remove the second argument of k[un]map_atomic()
Date

Signed-off-by: Cong Wang <amwang@redhat.com>
---
drivers/staging/zcache/zcache-main.c | 16 ++++++++--------
1 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index 56c1f9c..487c4f3 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -422,13 +422,13 @@ static int zbud_decompress(struct page *page, struct zbud_hdr *zh)
}
ASSERT_SENTINEL(zh, ZBH);
BUG_ON(zh->size == 0 || zh->size > zbud_max_buddy_size());
- to_va = kmap_atomic(page, KM_USER0);
+ to_va = kmap_atomic(page);
size = zh->size;
from_va = zbud_data(zh, size);
ret = lzo1x_decompress_safe(from_va, size, to_va, &out_len);
BUG_ON(ret != LZO_E_OK);
BUG_ON(out_len != PAGE_SIZE);
- kunmap_atomic(to_va, KM_USER0);
+ kunmap_atomic(to_va);
out:
spin_unlock(&zbpg->lock);
return ret;
@@ -677,13 +677,13 @@ static struct zv_hdr *zv_create(struct xv_pool *xvpool, uint32_t pool_id,
goto out;
zv_curr_dist_counts[chunks]++;
zv_cumul_dist_counts[chunks]++;
- zv = kmap_atomic(page, KM_USER0) + offset;
+ zv = kmap_atomic(page) + offset;
zv->index = index;
zv->oid = *oid;
zv->pool_id = pool_id;
SET_SENTINEL(zv, ZVH);
memcpy((char *)zv + sizeof(struct zv_hdr), cdata, clen);
- kunmap_atomic(zv, KM_USER0);
+ kunmap_atomic(zv);
out:
return zv;
}
@@ -719,10 +719,10 @@ static void zv_decompress(struct page *page, struct zv_hdr *zv)
ASSERT_SENTINEL(zv, ZVH);
size = xv_get_object_size(zv) - sizeof(*zv);
BUG_ON(size == 0);
- to_va = kmap_atomic(page, KM_USER0);
+ to_va = kmap_atomic(page);
ret = lzo1x_decompress_safe((char *)zv + sizeof(*zv),
size, to_va, &clen);
- kunmap_atomic(to_va, KM_USER0);
+ kunmap_atomic(to_va);
BUG_ON(ret != LZO_E_OK);
BUG_ON(clen != PAGE_SIZE);
}
@@ -1301,12 +1301,12 @@ static int zcache_compress(struct page *from, void **out_va, size_t *out_len)
BUG_ON(!irqs_disabled());
if (unlikely(dmem == NULL || wmem == NULL))
goto out; /* no buffer, so can't compress */
- from_va = kmap_atomic(from, KM_USER0);
+ from_va = kmap_atomic(from);
mb();
ret = lzo1x_1_compress(from_va, PAGE_SIZE, dmem, out_len, wmem);
BUG_ON(ret != LZO_E_OK);
*out_va = dmem;
- kunmap_atomic(from_va, KM_USER0);
+ kunmap_atomic(from_va);
ret = 1;
out:
return ret;
--
1.7.4.4


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