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| author | Shannon Nelson <shannon.nelson@intel.com> | 2007-10-18 03:07:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-18 14:37:32 -0700 |
| commit | 7f2b291f56d08e001454d16d3c92e175434898b3 (patch) | |
| tree | 41b0c324e93db47fd5114fed2fddbba963492383 /drivers/dma/ioatdma.h | |
| parent | 5149fd010f404889b7d8f79159057791fbb817b1 (diff) | |
| download | linux-7f2b291f56d08e001454d16d3c92e175434898b3.tar.gz linux-7f2b291f56d08e001454d16d3c92e175434898b3.tar.bz2 linux-7f2b291f56d08e001454d16d3c92e175434898b3.zip | |
I/OAT: Tighten descriptor setup performance
The change to the async_tx interface cost this driver some performance by
spreading the descriptor setup across several functions, including multiple
passes over the new descriptor chain. Here we bring the work back into one
primary function and only do one pass.
[akpm@linux-foundation.org: cleanups, uninline]
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/dma/ioatdma.h')
| -rw-r--r-- | drivers/dma/ioatdma.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/dma/ioatdma.h b/drivers/dma/ioatdma.h index d3643f264507..5f9881e7b0ed 100644 --- a/drivers/dma/ioatdma.h +++ b/drivers/dma/ioatdma.h @@ -124,9 +124,9 @@ struct ioat_desc_sw { struct ioat_dma_descriptor *hw; struct list_head node; int tx_cnt; - DECLARE_PCI_UNMAP_LEN(len) - DECLARE_PCI_UNMAP_ADDR(src) - DECLARE_PCI_UNMAP_ADDR(dst) + size_t len; + dma_addr_t src; + dma_addr_t dst; struct dma_async_tx_descriptor async_tx; }; |