From the Linux kernel help text:
modules_prepare - Set up for building external modules
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9217 d57e44dd-8a1f-0410-8b47-8ef2f437770f
Change '---help---' into 'help'. See also Linux kernel commit f70f74d15ca8
("kconfig: remove '---help---' support") # v5.9.
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In contrast with the description of that commit, commit r9114 changes the
functionality of the scst_pres code. Hence revert that commit.
Reported-by: Chesnokov Gleb <Chesnokov.G@raidix.com>
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Transport Target mode server need to able to function when running in
containerized form factor in a secure and multi-tenant platform.
Solution: Such applications when containerized can run in any container
based platform such as Kubernetes/OpenShift or a custom one. These
applications are generic in nature and all they need is access to SCST
user storage device driver (/dev/scst_user). The security policy of the
platform may not allow these applications to manage Fibre Channel (FC)
port and /sys file-system. The platform, however, can manage the FC ports
on behalf of these applications. The containerized applications can
remain generic in nature and run on any containerized platforms. The
sequence of operations would be 1. The platform converts the desired FC
ports to target mode prior to starting the containerized application 2.
The application does device registration using exported the SCST user
storage device driver 3. The platform, at this point, asynchronously adds
FC port LUNs to the user device registered by the application. As the
application inside the container can auto or manual restart
asynchronously, the platform would add the LUNs every time the
application does device registration.
Patch description: The SCST event mechanism is leveraged to achieve the
asynchronous LUN additions when application does device registration. The
current set of SCST events is extended to send a new event whenever there
is a virtual user device registration happens. The platform can watch for
the specific event and make business logic decisions to allow target mode
applications function securely. By extending the set of event, the SCST
module will be friendly to containerized applications and platforms.
Signed-off-by: Vikas Goel <vikas.goel@veritas.com>
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The previous commit removed support for building with clang. Restore support
for building with clang without breaking cross-compilation support.
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This patch does not change any functionality but removes multiple __force
__user casts.
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mm_segment_t, get_fs() and set_fs() have been removed from Linux kernel
v5.10. Instead of adding more #ifdef / #endif directives, provide backports
for this typedef and these functions in iscsi_scst.h.
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Instead of duplicating some of the scst_writev() implementation, always call
scst_writev().
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