This is the basic support for doing i/o in a separate worker thread.
It is still not threads safe but a start.
Now we need to protect all variables such as outqueue, waitpdu
and friends.
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
When an iSCSI connection enters the reconnection phase, the backoff
time (next_reconnect) increases with reconnection retry_cnt. However,
if the client detects that the target has recovered before reaching
next_reconnect, calling iscsi_reconnect/iscsi_force_reconnect has no
any effect, making fast reconnection impossible.
This patch introduces an interface to reset next_reconnect, so that
the client can reset the backoff time upon detecting target recovery
and achieve faster reconnection.
Resolves: https://github.com/sahlberg/libiscsi/issues/428
Signed-off-by: raywang <honglei.wang@smartx.com>
If a connection attempt is hung, then iscsi_reconnect() won't do anything. This
makes sense if we'd just re-try to connect to the same target, but if (for
example) login redirect might point us to a different, healthy, target, it
should be possible to restart the full connection process on request.
Signed-off-by: John Levon <john.levon@nutanix.com>
