blktrace: only calculate trace length once

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De-duplicate the calculation of the trace length instead of doing the
calculation twice, once for calling trace_buffer_lock_reserve() and once
for calling relay_reserve().

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Johannes Thumshirn 2025-10-22 13:41:00 +02:00 • committed by Jens Axboe

parent 5c5028ee59

commit a65988a0ad

1 changed files with 8 additions and 6 deletions

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kernel/trace/blktrace.c

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