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1e56f30a73
queue/wbt_lat_usec controls both the stored WBT latency target and the effective WBT enable state. The old no-op check skipped updates whenever the converted latency matched the stored min_lat_nsec. That check ignored whether the current WBT state already matched the state requested by the write. For a queue disabled by default, attempting to enable WBT by writing the default value through sysfs could return success while the enable state was left unchanged. Treat a write as a no-op only when both the stored latency and the effective WBT enabled state already match the converted value. Signed-off-by: Guzebing <guzebing1612@gmail.com> Link: https://patch.msgid.link/20260621014030.1625306-1-guzebing1612@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
1045 lines
24 KiB
1045 lines
24 KiB