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Signed-off-by: Jens Axboe <[email protected]>
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Right now ->flags is a bit of a mess: some are request types, and
others are just modifiers. Clean this up by splitting it into
->cmd_type and ->cmd_flags. This allows introduction of generic
Linux block message types, useful for sending generic Linux commands
to block devices.
Signed-off-by: Jens Axboe <[email protected]>
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Not three, as assumed. This causes the barrier bit to be needlessly set
for some IO.
Signed-off-by: Jens Axboe <[email protected]>
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Provide the needed kernel support for distinguishing readahead
from regular read requests when tracing block devices.
Signed-off-by: Nathan Scott <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Signed-off-by: Nathan Scott <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Signed-off-by: Alexey Dobriyan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Signed-off-by: David Woodhouse <[email protected]>
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Signed-off-by: Jens Axboe <[email protected]>
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