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linux/drivers/infiniband/ulp
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Nicholas Bellinger ac68f34428 iser-target: Disable TX completion interrupt coalescing 
commit 0d0f660d88 upstream.

This patch explicitly disables TX completion interrupt coalescing logic
in isert_put_response() and isert_put_datain() that was originally added
as an efficiency optimization in commit 95b60f07.

It has been reported that this change can trigger ABORT_TASK timeouts
under certain small block workloads, where disabling coalescing was
required for stability.  According to Sagi, this doesn't impact
overall performance, so go ahead and disable it for now.

Reported-by: Moussa Ba <moussaba@micron.com>
Reported-by: Sagi Grimberg <sagig@dev.mellanox.co.il>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2014-12-06 15:55:38 -08:00
..
ipoib Merge branches 'cma', 'cxgb4', 'flowsteer', 'ipoib', 'misc', 'mlx4', 'mlx5', 'ocrdma', 'qib', 'srp' and 'usnic' into for-next 2014-01-22 23:24:13 -08:00
iser IB/iser: Fix use after free in iser_snd_completion() 2014-02-14 09:48:09 -08:00
isert iser-target: Disable TX completion interrupt coalescing 2014-12-06 15:55:38 -08:00
srp IB/srp: Fix deadlock between host removal and multipathd 2014-09-17 09:19:28 -07:00
srpt srp-target: Retry when QP creation fails with ENOMEM 2014-12-06 15:55:37 -08:00