Gather lpfc debug logs in kernel tracefs ringbuffer

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To: linux-scsi@xxxxxxxxxxxxxxx, martin.petersen@xxxxxxxxxx, srinivas.eeda@xxxxxxxxxx, joe.jin@xxxxxxxxxx, dick.kennedy@xxxxxxxxxxxx, laurie.barry@xxxxxxxxxxxx, james.smart@xxxxxxxxxxxx
Subject: Gather lpfc debug logs in kernel tracefs ringbuffer
From: Rajan Shanmugavelu <rajan.shanmugavelu@xxxxxxxxxx>
Date: Thu, 16 Jan 2020 09:44:24 -0800

    Having the lpfc debug logs inside a ring buffer enhances the driver to debug better/faster for hard to reproduce problem saving cyles.  Please review.

Thanks,
Rajan
Oracle Linux Engineering.

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