On 2013-01-04 Stefan Richter wrote:
> As yo may have seen in the mailinglist archive, when Wakko and I tested
> with sr_mutex removed without any replacement, we were not able to trigger
> any race condition. However, we certainly did not attempt this very
> particular test (two drives on the same
Stefan Richter wrote:
> On Jan 04 Otto Meta wrote:
> > Otto Meta wrote:
> > > The single mutex for the sr module, introduced as a BKL replacement,
> > > globally serialises all sr ioctls, which hurts multi-drive performance.
> > >
> > > This patch replaces sr_mutex with per-device mutexes in struc
On Jan 04 Otto Meta wrote:
> Otto Meta wrote:
> > The single mutex for the sr module, introduced as a BKL replacement,
> > globally serialises all sr ioctls, which hurts multi-drive performance.
> >
> > This patch replaces sr_mutex with per-device mutexes in struct scsi_cd,
> > allowing concurrent
Otto Meta wrote:
> The single mutex for the sr module, introduced as a BKL replacement,
> globally serialises all sr ioctls, which hurts multi-drive performance.
>
> This patch replaces sr_mutex with per-device mutexes in struct scsi_cd,
> allowing concurrent ioctls on different sr devices.
Unfor
The single mutex for the sr module, introduced as a BKL replacement,
globally serialises all sr ioctls, which hurts multi-drive performance.
This patch replaces sr_mutex with per-device mutexes in struct scsi_cd,
allowing concurrent ioctls on different sr devices.
Signed-off-by: Otto Meta
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