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async_tx: export async_tx_quiesce

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Replace open coded "wait and acknowledge" instances with async_tx_quiesce.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2008-07-17 17:59:55 -07:00
parent 669ab0b210
commit d2c52b7983
5 changed files with 26 additions and 62 deletions
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10
crypto/async_tx/async_memcpy.c
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@@ -73,15 +73,7 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset,
pr_debug("%s: (sync) len: %zu\n", __func__, len);
/* wait for any prerequisite operations */
if (depend_tx) {
/* if ack is already set then we cannot be sure
* we are referring to the correct operation
*/
BUG_ON(async_tx_test_ack(depend_tx));
if (dma_wait_for_async_tx(depend_tx) == DMA_ERROR)
panic("%s: DMA_ERROR waiting for depend_tx\n",
__func__);
}
async_tx_quiesce(&depend_tx);
dest_buf = kmap_atomic(dest, KM_USER0) + dest_offset;
src_buf = kmap_atomic(src, KM_USER1) + src_offset;