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405548959c
qeth currently uses a fixed set of statically allocated cmd buffers for the read and write IO channels. This (1) doesn't play well with the single RCD cmd we need to issue on the data channel, (2) doesn't provide the necessary flexibility for certain IDX improvements, and (3) is also rather wasteful since the buffers are idle most of the time. Add a new type of cmd buffer that is dynamically allocated, and keeps its ccw chain in the DMA data area. Since this touches most callers of qeth_setup_ccw(), also add a new CCW flags parameter for future usage. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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