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scsi: add tracing for SG_IO commands

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Add tracepoints for SG_IO commands to allow for debugging
of SG_IO commands.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Message-Id: <20201116183114.55703-4-hare@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Hannes Reinecke 2020-11-16 19:31:14 +01:00 • committed by Paolo Bonzini
parent c9b6609b69
commit b2d50a3343
3 changed files with 13 additions and 2 deletions
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3
hw/scsi/scsi-disk.c
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@ -2788,7 +2788,8 @@ static BlockAIOCB *scsi_block_do_sgio(SCSIBlockReq *req,
io_header->timeout = s->qdev.io_timeout * 1000;
io_header->usr_ptr = r;
io_header->flags |= SG_FLAG_DIRECT_IO;
trace_scsi_disk_aio_sgio_command(r->req.tag, req->cdb[0], lba,
nb_logical_blocks, io_header->timeout);
aiocb = blk_aio_ioctl(s->qdev.conf.blk, SG_IO, io_header, cb, opaque);
assert(aiocb != NULL);
return aiocb;