diff options
| author |   Christoph Hellwig <hch@lst.de> | 2017-02-21 10:04:55 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2017-02-21 12:51:54 -0700 |
| commit | ee5242360424b9b967454e9183767323d10cf985 (patch) | |
| tree | 2500c4a89cae0d5363fe930ffeb2ff14626babb2 /drivers/block | |
| parent | Merge tag 'for-4.11/linus-merge-signed' of git://git.kernel.dk/linux-block (diff) | |
| download | linux-dev-ee5242360424b9b967454e9183767323d10cf985.tar.xz linux-dev-ee5242360424b9b967454e9183767323d10cf985.zip | |
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