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The qla2xxx driver knows when request was processed successfully or not. But it always sets the NVMe status code to 0/NVME_SC_SUCCESS. The upper layer needs to figure out from the rcv_rsplen and transferred_length variables if the request was transferred successfully. This is not always possible, e.g. when the request data length is 0, the transferred_length is also set 0 which is interpreted as success in nvme_fc_fcpio_done(). Let's inform the upper layer (nvme_fc_fcpio_done()) when something went wrong. nvme_fc_fcpio_done() maps all non-NVME_SC_SUCCESS status codes to NVME_SC_HOST_PATH_ERROR. There isn't any benefit to map the QLA status code to the NVMe status code. Therefore, use NVME_SC_INTERNAL to indicate an error which aligns it with the lpfc driver. Link: https://lore.kernel.org/r/20200604100745.89250-1-dwagner@suse.de Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.