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813709f2e1
Normally, hardware should ensure that internal abort timeout will never happen. If happen, it would be an SoC failure. What's more, HW will not process any other commands if an internal abort hasn't return CQ, and they will time out also. So, we should judge the result of internal abort in SCSI EH, if it is failed, we should give up to do TMF/softreset and return failure to the upper layer directly. This patch do following things to achieve this: 1. When internal abort timeout happened, we set return value to -EIO in hisi_sas_internal_task_abort(). 2. If prep_abort() is not support, let hisi_sas_internal_task_abort() return TMF_RESP_FUNC_FAILED. 3. If hisi_sas_internal_task_abort() return an negative number, it can be thought that it not executed properly or internal abort timeout. Then we won't do behind TMF or softreset, and return failure directly. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.