Vladislav Bolkhovitin 84f6cb5dae scst_vdisk: Add support for nullio "dummy" LUNs
While the SCSI specifications require presence of LUN 0 it is not always
desirable to associate storage with LUN 0. Hence allow LUN 0 (or any
other LUN) to be configured such that it does not appear at the
initiator side. This is realized by adding a "dummy" attribute in to
NULLIO vdisk devices. If that attribute is set, the PERIPHERAL QUALIFIER
field in the INQUIRY response is set to 1 and the PERIPHERAL DEVICE TYPE
is set to 0x1f. Add an example in the scst.conf(5) man page that shows
how to use the new attribute.

Signed-off-by: Bart Van Assche <bvanassche@acm.org> with some fixes and simplifications



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4874 d57e44dd-8a1f-0410-8b47-8ef2f437770f
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This is the SCST development repository. It contains not a single
project SCST as one can think, but a number of them, which are divided
as the following:

1. SCST core in scst/ subdirectory

2. Administration utility for SCST core scstadmin in scstadmin/

3. Target drivers in own subdirectories qla2x00t/, iscsi-scst/, etc.

4. User space programs in usr/ subdirectory, like fileio_tgt.

5. Some various docs in doc/ subdirectory.

Those subprojects are in most cases independent from each other,
although some of them depend from the SCST core. They put in the single
repository only to simplify their development, they are released
independently.

Thus, use "make all" only if you really need to build everything.
Otherwise build only what you need, like for iSCSI-SCST:

make scst scst_install iscsi iscsi_install

For more information about each subproject see their README files.

Vladislav Bolkhovitin <vst@vlnb.net>, http://scst.sourceforge.net
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