Staging: DST: Kconfig text update.

	select CONNECTOR

	---help---

	DST is a network block device storage, which can be used to organize

	exported storages on the remote nodes into the local block device.

	exported storage on the remote nodes into the local block device.

	DST works on top of any network media and protocol, it is just a matter

	DST works on top of any network media and protocol; it is just a matter

	of configuration utility to understand the correct addresses. The most

	common example is TCP over IP allows to pass through firewalls and

	created remote backup storage in the different datacenter. DST requires

	common example is TCP over IP, which allows to pass through firewalls and

	create remote backup storage in a different datacenter. DST requires

	single port to be enabled on the exporting node and outgoing connections

	on the local node.

	DST works with in-kernel client and server, which improves the performance

	eliminating unneded data copies and allows not to depend on the version

	DST works with in-kernel client and server, which improves performance by

	eliminating unneded data copies and by not depending on the version

	of the external IO components. It requires userspace configuration utility

	though.

	may be lots of in-flight transactions. When remote host does not ack

	the transaction it will be resent predefined number of times with specified

	timeouts between them. All those parameters are configurable. Transactions

	are marked as failed after all resends completed unsuccessfully, having

	are marked as failed after all resends complete unsuccessfully; having

	long enough resend timeout and/or large number of resends allows not to

	return error to the higher (FS usually) layer in case of short network

	problems or remote node outages. In case of network RAID setup this means

	DST may fully encrypt the data channel in case of untrusted channel and implement

	strong checksum of the transferred data. It is possible to configure algorithms

	and crypto keys, they should match on both sides of the network channel.

	and crypto keys; they should match on both sides of the network channel.

	Crypto processing does not introduce noticeble performance overhead, since DST

	uses configurable pool of threads to perform crypto processing.

	bool "DST debug"

	depends on DST

	---help---

	This option will turn HEAVY debugging of the DST.

	This option will enable HEAVY debugging of the DST.

	Turn it on ONLY if you have to debug some really obscure problem.