From: Andrea Parri (Microsoft) <parri.andrea@gmail.com> Sent: Thursday, December 17, 2020 12:33 PM

vmscsi_size_delta can be written concurrently by multiple instances of
storvsc_probe(), corresponding to multiple synthetic IDE/SCSI devices;
cf. storvsc_drv's probe_type == PROBE_PREFER_ASYNCHRONOUS.  Change the
global variable vmscsi_size_delta to per-synthetic-IDE/SCSI-device.

Suggested-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
Cc: "James E.J. Bottomley" <redacted>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
---
 drivers/scsi/storvsc_drv.c | 45 +++++++++++++++++++++-----------------
 1 file changed, 25 insertions(+), 20 deletions(-)

Reviewed-by: Michael Kelley <redacted>