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scst/include/scst.h: Document on_abort_cmd() further

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Signed-off-by: Bart Van Assche <bvanassche@acm.org>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5736 d57e44dd-8a1f-0410-8b47-8ef2f437770f
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Vladislav Bolkhovitin
2014-08-27 03:00:44 +00:00
parent 9c2fb52429
commit 5f14ef7a10
1 changed files with 11 additions and 1 deletions
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12
scst/include/scst.h
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@@ -995,7 +995,17 @@ struct scst_tgt_template {
/*
* Called to notify target driver that the command is being aborted.
* If target driver wants to redirect processing to some outside
* processing, it should get it using scst_cmd_get().
* processing, it should get it using scst_cmd_get(). Since this
* function is invoked from the context of a task management function
* it runs asynchronously with the regular command processing finite
* state machine. In other words, it is only safe to invoke functions
* like scst_tgt_cmd_done() or scst_rx_data() from this callback
* function if the target driver owns the command and if appropriate
* measures have been taken to avoid that the target driver would
* invoke one of these functions from the regular command processing
* path. Note: if scst_tgt_cmd_done() or scst_rx_data() is invoked
* from this callback function these must be invoked with the
* SCST_CONTEXT_THREAD argument.
*
* OPTIONAL
*/