Commit 0b14cd6f authored by Yang Yang's avatar Yang Yang Committed by Fuping He
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ANDROID: block: export tracepoints 



This patch will export some tracepoints so that vendor modules can use them.
Export these tracepoint functions to track IO data flow for performance tuning.

Bug: 205648026
Bug: 283892333
Bug: 291567328

Change-Id: Ia37b8f99b2d940cecce46c8bc24f724c14450517
Signed-off-by: default avatarYang Yang <yang.yang@vivo.com>
(cherry picked from commit 2dffee86)
parent c1b9dd5d
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