Staging: sxg: SXG SGL related cleanup in data structures and code

* Cleanup in allocation of SXG_SGLs.
* Locking issues related to SglQLock.
* XmtCmd and XmtZeroLock consistency fixes.

Signed-off-by: LinSysSoft Sahara Team <saharaproj@linsyssoft.com>
Signed-off-by: Christopher Harrer <charrer@alacritech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

4 files changed