Re: [patch] zfcp: spin_lock_irqsave() is not nestable

2016-10-25 Thread Christian Borntraeger
On 10/24/2016 10:18 AM, Christian Borntraeger wrote: > On 10/14/2016 10:21 PM, Martin K. Petersen wrote: >>>>>>> "Steffen" == Steffen Maier writes: >> >> Steffen> could you please queue this as fix for one of my patches that >> Steffen

Re: [patch] zfcp: spin_lock_irqsave() is not nestable

2016-10-24 Thread Christian Borntraeger
On 10/14/2016 10:21 PM, Martin K. Petersen wrote: >> "Steffen" == Steffen Maier writes: > > Steffen> could you please queue this as fix for one of my patches that > Steffen> went into the 4.9 merge window, so for 4.9-rc I guess? > > Applied to 4.9/scsi-fixes. > FWIW, I do see rcu stall err

spurious use after free bug in dio_bio_complete on scsi disks (with multipath)

2016-01-22 Thread Christian Borntraeger
When I enable DEBUG_PAGEALLOC (notice: needs also enablement on the command line) I get spurious warnings like the following [ 2664.756567] Unable to handle kernel pointer dereference in virtual kernel address space [ 2664.756575] failing address: 00f9ef84c000 TEID: 00f9ef84c803 [ 2664.7

Re: [PATCH] sd: Optimal I/O size is in bytes, not sectors

2016-01-20 Thread Christian Borntraeger
On 01/20/2016 05:01 PM, Martin K. Petersen wrote: > Commit ca369d51b3e1 ("block/sd: Fix device-imposed transfer length > limits") accidentally switched optimal I/O size reporting from bytes to > block layer sectors. > > Signed-off-by: Martin K. Petersen > Report