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scsi: introduce scsi_req_data

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This abstracts calling the command_complete callback, reducing churn
in the following patches.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Paolo Bonzini 2011-04-18 14:59:13 +02:00
parent 40f16dd127
commit ab9adc88c8
5 changed files with 20 additions and 7 deletions
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8
hw/scsi-disk.c
View file

@ -170,7 +170,7 @@ static void scsi_read_complete(void * opaque, int ret)
n = r->iov.iov_len / 512;
r->sector += n;
r->sector_count -= n;
r->req.bus->complete(r->req.bus, SCSI_REASON_DATA, r->req.tag, r->iov.iov_len);
scsi_req_data(&r->req, r->iov.iov_len);
}
@ -182,7 +182,7 @@ static void scsi_read_request(SCSIDiskReq *r)
if (r->sector_count == (uint32_t)-1) {
DPRINTF("Read buf_len=%zd\n", r->iov.iov_len);
r->sector_count = 0;
r->req.bus->complete(r->req.bus, SCSI_REASON_DATA, r->req.tag, r->iov.iov_len);
scsi_req_data(&r->req, r->iov.iov_len);
return;
}
DPRINTF("Read sector_count=%d\n", r->sector_count);
@ -245,7 +245,7 @@ static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type)
vm_stop(VMSTOP_DISKFULL);
} else {
if (type == SCSI_REQ_STATUS_RETRY_READ) {
r->req.bus->complete(r->req.bus, SCSI_REASON_DATA, r->req.tag, 0);
scsi_req_data(&r->req, 0);
}
scsi_command_complete(r, CHECK_CONDITION,
HARDWARE_ERROR);
@ -281,7 +281,7 @@ static void scsi_write_complete(void * opaque, int ret)
}
r->iov.iov_len = len;
DPRINTF("Write complete tag=0x%x more=%d\n", r->req.tag, len);
r->req.bus->complete(r->req.bus, SCSI_REASON_DATA, r->req.tag, len);
scsi_req_data(&r->req, len);
}
}