linux/drivers/scsi/cxgb3i
Mike Christie 1393109f23 [SCSI] cxgb3i: fix cpu use abuse during writes
When doing a lot (128) of large writes (256K) we can hit the cxgb3_snd_win
check pretty easily. The driver's xmit thread then takes 100% of the cpu.

The driver should not be returning -EAGAIN for this problem. It should
be returing -ENOBUFS, then when the window is opened again it should
queue the xmit thread (it already wakes the xmit thread).

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-04-27 10:10:06 -05:00
..
cxgb3i_ddp.c [SCSI] cxgb3i: call ddp release function directly 2009-04-03 09:23:13 -05:00
cxgb3i_ddp.h [SCSI] cxgb3i: merge cxgb3i_ddp into cxgb3i module 2009-04-03 09:23:13 -05:00
cxgb3i_init.c [SCSI] cxgb3i: merge cxgb3i_ddp into cxgb3i module 2009-04-03 09:23:13 -05:00
cxgb3i_iscsi.c [SCSI] cxgb3i: fix can_queue and cmd_per_lun initialization 2009-04-27 10:09:59 -05:00
cxgb3i_offload.c [SCSI] cxgb3i: fix cpu use abuse during writes 2009-04-27 10:10:06 -05:00
cxgb3i_offload.h [SCSI] cxgb3i: merge cxgb3i_ddp into cxgb3i module 2009-04-03 09:23:13 -05:00
cxgb3i_pdu.c [SCSI] cxgb3i: fix cpu use abuse during writes 2009-04-27 10:10:06 -05:00
cxgb3i_pdu.h [SCSI] cxgb3i: Outgoing pdus need to observe skb's MAX_SKB_FRAGS 2009-02-21 20:29:37 -06:00
cxgb3i.h [SCSI] cxgb3i: fix can_queue and cmd_per_lun initialization 2009-04-27 10:09:59 -05:00
Kbuild [SCSI] cxgb3i: merge cxgb3i_ddp into cxgb3i module 2009-04-03 09:23:13 -05:00
Kconfig [SCSI] cxgb3i: fix select/depend problem 2008-12-30 13:09:12 -06:00