linux-kernel - [PATCH v3 0/3] Directly kick-off EH when device removed with active IO

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Date:   Wed, 21 Dec 2022 09:25:11 +0000
From:   Xingui Yang <yangxingui@...wei.com>
To:     <jejb@...ux.ibm.com>, <martin.petersen@...cle.com>,
        <john.g.garry@...cle.com>
CC:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, <yangxingui@...wei.com>,
        <prime.zeng@...ilicon.com>, <kangfenglong@...wei.com>
Subject: [PATCH v3 0/3] Directly kick-off EH when device removed with active IO

The following patches solve the age-old problem - that is, EH eventually
kicking in only after 30 seconds when a disk is removed with active IO.

This series add a new libsas API - sas_device_task_abort() - to abort
device active io and define a interface lldd_device_task_abort() for
LLDD to implement.

Changes since v2:
- Support both for sas and sata device
- Add a new libsas API
- LLDD implement lldd_device_task_abort()

Xingui Yang (3):
  scsi: libsas: Add sas_device_task_abort()
  scsi: libsas: Directly kick-off EH when device removed with active IO
  scsi: hisi_sas: Implement lldd_device_task_abort()

 drivers/scsi/hisi_sas/hisi_sas_main.c | 19 +++++++++++++++++++
 drivers/scsi/libsas/sas_discover.c    |  3 +++
 drivers/scsi/libsas/sas_scsi_host.c   |  9 +++++++++
 include/scsi/libsas.h                 |  2 ++
 4 files changed, 33 insertions(+)

-- 
2.17.1