This patch adds gen_tp_soft_threshold_reached_UA attribute for thin
provisioned devices that allows to generate THIN PROVISIONING SOFT
THRESHOLD REACHED Unit Attention.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7071 d57e44dd-8a1f-0410-8b47-8ef2f437770f
If this attrubute is set, each iSCSI session for this initiator has
dedicated, i.e. not shared with other sessions, pool of the iscsi{wr,rd}
kernel threads.
Useful to control per-session CPU affinity to improve performance.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7069 d57e44dd-8a1f-0410-8b47-8ef2f437770f
It adds target_ip attribute containing target IP address in each
/sys/kernel/scst_tgt/targets/iscsi/TARGET/sessions/INITIATOR/INITIATOR_IP subdirectory.
It's useful to simplify monitoring management utilities
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7067 d57e44dd-8a1f-0410-8b47-8ef2f437770f
In some cases SCST needs to take multiple locks recursivly, e.g. to lock
all tgt_devs in a session. For this case SCST takes those locks in their
current sort order, e.g. by LUN for tgt_devs, then releases in the
opposite order. Unfortunately, lockdep complains on such actions as
recursive locking, then disables itself. The disabling itself action is
the most unpleasant one leading to lockdep being useless after this point.
Unfortunately, nested locking annotations can't help, because after
free, then alloc again, or after LUN change (in case of tgt_devs) order
of locks can change.
So, this patch implements a way to annotate some lock and unlock actions
as "no lockdep", so lockdep will not track them. It contains related
kernel patches for some kernels.
This is a debug aid only useful only with lockdep enabled kernels.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7065 d57e44dd-8a1f-0410-8b47-8ef2f437770f
r7050 did not change any behavior so revert it. Note for myself: in the
ib_srpt driver the port number is set by the ib_modify_qp() call in
srpt_init_ch_qp().
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7061 d57e44dd-8a1f-0410-8b47-8ef2f437770f
It is likely that ib_device.dma_ops will be removed sooner or later.
Hence make sure that the ib_srpt driver does not depend on it.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7049 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This avoids that the SCST RPM conflicts with other kernel RPMs
that install kernel modules in the "extra" directory. Reported
and suggested by Consus <consus@gmx.com>.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7043 d57e44dd-8a1f-0410-8b47-8ef2f437770f
Otherwise there is non-fatal error like: No such file or directory
grep: /lib/modules/<current_running_kernel>/build/.config: Permission denied
This is a better version of r7022 suggested by Bart
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7037 d57e44dd-8a1f-0410-8b47-8ef2f437770f
