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f12486e06a
linux-next/include/scsi
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Jason Yan f12486e06a scsi: libsas: shut down the PHY if events reached the threshold 
If the PHY burst too many events, we will alloc a lot of events for the
worker. This may leads to memory exhaustion.

Dan Williams suggested to shut down the PHY if the events reached the
threshold, because in this case the PHY may have gone into some
erroneous state. Users can re-enable the PHY by sysfs if they want.

We cannot use the fixed memory pool because if we run out of events, the
shut down event and loss of signal event will lost too. The events still
need to be allocated and processed in this case.

Suggested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
CC: John Garry <john.garry@huawei.com>
CC: Johannes Thumshirn <jthumshirn@suse.de>
CC: Ewan Milne <emilne@redhat.com>
CC: Christoph Hellwig <hch@lst.de>
CC: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-01-08 21:59:28 -05:00
..
fc uapi: export all headers under uapi directories 2017-05-11 00:21:54 +09:00
fc_encode.h [SCSI] libfc: Add support for FDMI 2012-02-19 08:08:58 -06:00
fc_frame.h [SCSI] fcoe: remove unused ptype field in fcoe_rcv_info 2011-07-28 12:08:55 +04:00
fcoe_sysfs.h libfcoe, fcoe, bnx2fc: Add new fcoe control interface 2012-12-14 10:38:54 -08:00
iscsi_if.h scsi_transport_iscsi: Add 25G and 40G speed definition 2016-02-23 21:27:02 -05:00
iscsi_proto.h linux: drop __bitwise__ everywhere 2016-12-16 00:13:41 +02:00
iser.h IB/iser,isert: Create and use new shared header 2015-12-24 00:17:35 -05:00
libfc.h scsi: libfc: convert fc_fcp_pkt.ref_cnt from atomic_t to refcount_t 2017-03-15 18:44:02 -04:00
libfcoe.h scsi: fcoe: Convert timers to use timer_setup() 2017-10-27 02:22:00 -07:00
libiscsi_tcp.h iscsi_tcp: Use ahash 2016-01-27 20:36:10 +08:00
libiscsi.h SCSI misc on 20170503 2017-05-04 12:19:44 -07:00
libsas.h scsi: libsas: shut down the PHY if events reached the threshold 2018-01-08 21:59:28 -05:00
osd_attributes.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
osd_initiator.h block: introduce new block status code type 2017-06-09 09:27:32 -06:00
osd_ore.h Boaz Harrosh - Fix broken email address 2014-10-19 20:22:32 +03:00
osd_protocol.h Boaz Harrosh - Fix broken email address 2014-10-19 20:22:32 +03:00
osd_sec.h Boaz Harrosh - Fix broken email address 2014-10-19 20:22:32 +03:00
osd_sense.h Boaz Harrosh - Fix broken email address 2014-10-19 20:22:32 +03:00
osd_types.h Boaz Harrosh - Fix broken email address 2014-10-19 20:22:32 +03:00
sas_ata.h [SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type 2013-05-10 07:47:52 -07:00
sas.h scsi: Centralise ssp frame information units 2015-11-25 22:12:50 -05:00
scsi_bsg_iscsi.h [SCSI] iscsi class: add bsg support to iscsi class 2011-08-27 08:36:21 -06:00
scsi_cmnd.h scsi: core: Unexport scsi_initialize_rq() 2017-12-07 21:11:53 -05:00
scsi_common.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scsi_dbg.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scsi_device.h scsi: Use 'blist_flags_t' for scsi_devinfo flags 2017-11-16 17:43:27 -05:00
scsi_devinfo.h scsi: Use 'blist_flags_t' for scsi_devinfo flags 2017-11-16 17:43:27 -05:00
scsi_dh.h scsi_dh: add 'rescan' callback 2016-02-23 21:27:02 -05:00
scsi_driver.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scsi_eh.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scsi_host.h scsi: core: Ensure that the SCSI error handler gets woken up 2017-12-07 21:06:31 -05:00
scsi_ioctl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scsi_proto.h SCSI misc on 20171114 2017-11-14 16:23:44 -08:00
scsi_request.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scsi_tcq.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scsi_transport_fc.h scsi: scsi_transport_fc: fix typos on 64/128 GBit define names 2018-01-03 22:51:02 -05:00
scsi_transport_iscsi.h scsi: libiscsi: Remove iscsi_destroy_session 2017-10-02 22:23:21 -04:00
scsi_transport_sas.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scsi_transport_spi.h scsi: remove abuses of scsi_populate_tag 2014-11-12 11:19:41 +01:00
scsi_transport_srp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scsi_transport.h SCSI misc on 20170220 2017-02-21 11:51:42 -08:00
scsi.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scsicam.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sg.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
srp.h IB/srp: Add 64-bit LUN support 2015-05-18 13:35:56 -04:00
viosrp.h ibmvscsis: Initial commit of IBM VSCSI Tgt Driver 2016-07-20 01:15:43 -07:00