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scsi: mpt3sas: function pointers of request descriptor

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This code refactoring introduces function pointers.

Host uses Request Descriptors of different types for posting an entry onto
a request queue. Based on controller type and capabilities, host can also
use atomic descriptors other than normal descriptors.  Using function
pointer will avoid if-else statements

Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Suganath Prabu S 2019-05-31 08:14:34 -04:00 • committed by Martin K. Petersen
commit 078a4cc138
6 changed files with 49 additions and 42 deletions
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