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While the default did already correctly print "Initiator" let's make it explicit and convert zfcp to the feature. $ cat /sys/class/scsi_host/host0/supported_mode Initiator $ cat /sys/class/scsi_host/host0/active_mode Initiator The default worked, because not setting the field has it initialized to zero == MODE_UNKNOWN. scsi_host_alloc() sets shost->active_mode = MODE_INITIATOR in this case. The sysfs accessor function show_shost_supported_mode() assumes MODE_INITIATOR in this case. This default behavior was introduced with v2.6.24 commit7a39ac3f25("[SCSI] make supported_mode default to initiator."). The feature flag was introduced with v2.6.24 commit5dc2b89e12("[SCSI] add supported_mode and active_mode attributes to the host"). So there was no release where zfcp would have shown "unknown". Signed-off-by: Steffen Maier <maier@linux.ibm.com> Reviewed-by: Benjamin Block <bblock@linux.ibm.com> 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.
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.