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| author | Christoph Hellwig <hch@lst.de> | 2017-02-21 12:04:55 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-02-21 22:51:54 +0300 |
| commit | ee5242360424b9b967454e9183767323d10cf985 (patch) | |
| tree | 2500c4a89cae0d5363fe930ffeb2ff14626babb2 /drivers/block | |
| parent | 772c8f6f3bbd3ceb94a89373473083e3e1113554 (diff) | |
| download | linux-ee5242360424b9b967454e9183767323d10cf985.tar.xz | |
scsi: zero per-cmd driver data before each I/O
Without this drivers that don't clear the state themselves can see off
effects. For example Hyper-V VMs using the storvsc driver will often
hang during boot due to uncleared Test Unit Ready failures.
Fixes: e9c787e6 ("scsi: allocate scsi_cmnd structures as part of struct request")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Dexuan Cui <decui@microsoft.com>
Tested-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block')
0 files changed, 0 insertions, 0 deletions