1 / 7

Mid-presentation

Mid-presentation. Shuanglong Zhang. Two ways. Modify the original dm-linear.c Copy it and make it a independent module. original. No need to change anything in makefile or somewhere else. Not flexible enough. new module. Need to change a little Link dmsetup and new module. Why linear.

alisa
Download Presentation

Mid-presentation

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Mid-presentation Shuanglong Zhang

  2. Two ways • Modify the original dm-linear.c • Copy it and make it a independent module

  3. original • No need to change anything in makefile or somewhere else. • Not flexible enough

  4. new module • Need to change a little • Link dmsetup and new module

  5. Why linear • It's simple • Use it as a tool to "see" bio structures • Do a '0' to '0' map

  6. /proc • Create a /proc interface to see all the bio info in a sliding window.

  7. Next • /proc need to improve • controls on bio request based on kernel timer and request queue size

More Related