blktrace: add definitions for blk_user_trace_setup2

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Add definitions for a version 2 of the blk_user_trace_setup ioctl. This
new ioctl will enable a different struct layout of the binary data passed
to user-space when using a new version of the blktrace utility requesting
the new struct layout.

Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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 13:41:06 +02:00 • committed by Jens Axboe

parent 42da88a724

commit 0d8627cc93

3 changed files with 20 additions and 0 deletions

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16

include/uapi/linux/blktrace_api.h

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1

include/uapi/linux/fs.h

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3

kernel/trace/blktrace.c

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