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1. If we have a nop in flight then we do not really need to send more to test if the other side is still there. Either that nop will timeout and conn will be dropped or it will complete and last_rcv_time will be updated. 2. We are sending nop-ins every nop_in_interval seconds, but if we got a data half way in to the window, then when conn_nop_in_delayed_work_fn is run it was scheduling the next check to be nop_in_interval more seconds. With the current settings this could end up with us waiting 59 secs before sending a nop and about 130 secs for it to timeout, when at 61 it should be timing out and getting cleaned up already. This patch has us take into account when the last time we got data to try and reschedule the next nop check closer to nop_in_interval from that time. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5092 d57e44dd-8a1f-0410-8b47-8ef2f437770f
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