On Wed, Oct 10, 2018 at 03:23:09AM +0000, Nicholas A. Bellinger wrote: > From: Nicholas Bellinger <[email protected]> > > Short of reverting commit 00d909a107 for v4.19, target-core needs a > wait_event_t marco can be executed using TASK_UNINTERRUPTIBLE to > function correctly with existing fabric drivers that expect to run > with signals pending during session shutdown and active se_cmd I/O > quiesce. > > The most notable is iscsi-target/iser-target, while ibmvscsi_tgt invokes > session shutdown logic from userspace via configfs attribute that could > also potentially have signals pending. > > So go ahead and introduce wait_event_lock_irq_timeout() to achieve this, > and update + rename __wait_event_lock_irq_timeout() to make it accept > 'state' as a parameter. > > Fixes: 00d909a107 ("scsi: target: Make the session shutdown code also wait > for commands that are being aborted") > Cc: Bart Van Assche <[email protected]> > Cc: Mike Christie <[email protected]> > Cc: Hannes Reinecke <[email protected]> > Cc: Christoph Hellwig <[email protected]> > Cc: Sagi Grimberg <[email protected]> > Cc: Bryant G. Ly <[email protected]> > Cc: Peter Zijlstra (Intel) <[email protected]> > Tested-by: Nicholas Bellinger <[email protected]> > Signed-off-by: Nicholas Bellinger <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>

