buffers/vmalloc: bugfix after commit 6a7378a5

Just like drivers should update current_ctrl and not block->ctrl, the same happens to buffers. This only applies to vmalloc, though. Bug introduced by my commit 6a7378a5: zio-sys: delay copying current_ctrl to block->ctrl Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Federico Vaga <federico.vaga@gmail.com>

buffers/vmalloc: bugfix after commit 6a7378a5
Just like drivers should update current_ctrl and not block->ctrl, the same happens to buffers. This only applies to vmalloc, though. Bug introduced by my commit 6a7378a5: zio-sys: delay copying current_ctrl to block->ctrl Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Federico Vaga <federico.vaga@gmail.com>
2241ad60 · Alessandro Rubini · 0c0f981d · 2241ad60
Commit 2241ad60 authored Nov 08, 2012 by Alessandro Rubini
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zio-buf-vmalloc.c buffers/zio-buf-vmalloc.c +1 -1

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--- a/buffers/zio-buf-vmalloc.c
+++ b/buffers/zio-buf-vmalloc.c
@@ -135,7 +135,7 @@ static struct zio_block *zbk_alloc_block(struct zio_bi *bi,
 	item->block.datalen = datalen;
 	item->instance = zbki;

-	ctrl->mem_offset = offset;
+	bi->chan->current_ctrl->mem_offset = offset;
 	zio_set_ctrl(&item->block, ctrl);

 	return &item->block;