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Differential D13973

Mitigate the as-yet-unknown race in device departure.
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Authored by imp on Jan 18 2018, 6:04 PM.
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Details

Reviewers
scottl
rpokala
markj
Group Reviewers
cam
Summary

When devices are invalidated, there's some cases where ccbs for that
device still wind up in xpt_done after the path has been
invalidated. Since we don't always need sim or devq, add some guard
rails to only fail if we have to use them.

Sponsored by: Netflix

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Build Status
Buildable 14467
Build 14612: arc lint + arc unit

Event Timeline

imp created this revision.Jan 18 2018, 6:04 PM
Harbormaster completed remote builds in B14467: Diff 38176.Jan 18 2018, 6:04 PM
imp added reviewers: scottl, rpokala, markj.Jan 18 2018, 6:25 PM
imp added inline comments.Jan 18 2018, 6:33 PM
sys/cam/cam_xpt.c
5448

This is actually a non-user request, so this likely won't work so well...

imp abandoned this revision.Jul 10 2021, 3:56 PM

landed with D14040 in de64cba2c714d / 328414

Herald added a reviewer: cam. · View Herald TranscriptJul 10 2021, 3:56 PM

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sys/
cam/
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Diff 38176

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sys/cam/cam_xpt.c

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