scsi: Add Hyper-V logical block provisioning quirks
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- v1 Latest3 patches 16 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | Revert "Drivers: add blist flags"drivers/ | +0 | 0 replies | |
| 2/3 | scsi: add try_rc16 blacklist flagdrivers/ drivers/ include/ +1 more | +8 | 4 replies | |
| 3/3 | scsi: Use try_rc16 and try_vpd_pages quirks on Hyper-V virtual disksdrivers/ | +1 | 0 replies |
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Cover letter [PATCH 0/3] scsi: Add Hyper-V logical block provisioning quirks
Microsoft Hyper-V virtual disks currently only claim SPC-2 compliance even though they implement post SPC-2 features (such as thin provisioning) which means the Linux kernel does not go on to test for those features even though they are advertised.
A previous patch attempted to add a quirk to workaround this but the quirk was only enabled after the features had been scanned for, wouldn't work for "small" disks and would quirk on all Hyper-V SCSI devices (e.g. passthrough disks).
The new patches partially revert the previous effort, add the quirk in a more traditional manner to only Hyper-V virtual disks and work on small virtual disks.
Sitsofe Wheeler (3):
Revert "Drivers: add blist flags"
scsi: add try_rc16 blacklist flag
scsi: Use try_rc16 and try_vpd_pages quirks on Hyper-V virtual disks
drivers/scsi/scsi_devinfo.c | 1 + drivers/scsi/scsi_scan.c | 3 +++ drivers/scsi/sd.c | 3 +++ drivers/scsi/storvsc_drv.c | 10 ---------- include/scsi/scsi_device.h | 1 + include/scsi/scsi_devinfo.h | 1 + 6 files changed, 9 insertions(+), 10 deletions(-)
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1.9.3