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e2c57de2d5
Wire the on_alua_state_change_{start,finish} callbacks into
vdisk_file_devtype and expose bind_alua_state as a sysfs attribute
and create-time parameter for fileio. The callback bodies were
already backing-agnostic; rename them from blockio_* to vdev_* to
match.
Default bind_alua_state=0 for fileio (vs. 1 for blockio) to preserve
existing behavior on upgrade. Adjust the sysfs show function to
compare against the per-backing default so scstadmin persists
explicit settings correctly.
Overview
This is the source code repository of the SCST project. SCST is a collection of Linux kernel drivers that implement SCSI target functionality. The SCST project includes:
- The SCST core in the scst/ subdirectory.
- A tool for loading, saving and modifying the SCST configuration in directory scstadmin/.
- Several SCSI target drivers in the directories iscsi-scst/, qla2x00t/, srpt/, scst_local/ and fcst/.
- User space programs in the usr/ subdirectory, e.g. fileio_tgt.
- Various documentation in the doc/ subdirectory.
Instructions for building and installing SCST are available in the INSTALL.md file.
QLogic target driver
Two QLogic target drivers are included in the SCST project.
The default driver is located in qla2x00t-32gbit directory and it supports up to 32 Gb/s FC. It is the newer one.
May anyone wish to switch back to the older driver that only supported up to
16 Gb/s adapters, it is located in qla2x00t directory. To make use of the
older driver build scst with environment variable QLA_32GBIT=no set.
Vladislav Bolkhovitin vst@vlnb.net, http://scst.sourceforge.net
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