57b69a1f66
Currently, the window size is limited to the maximum number of sg entries in one table. This is because the code addresses individual blocks within the window by their numeric index. In reality, though, the blocks most often are iterated through sequentially. By rewriting the logic to use sg pointers instead of block indices we loose the necessity to dereference them directly and gain the ability to use multiple chained tables if necessary. Get rid of the limitation by replacing index-based block accesses with sequential block accesses. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20190705141425.19894-4-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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