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Differential D14792

Flag pending TUR.
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Authored by imp on Mar 22 2018, 5:36 AM.
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Details

Reviewers
imp
Group Reviewers
cam
Summary

Flag when we have a pending TUR. Don't schedule another one when we
have one pending. Otherwise, we can race and send two, which is
wasteful in close proximity. It can also cause the acaquire/release
count for TUR to be > 1, which is undexpected.

Diff Detail

Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 15710
Build 15736: arc lint + arc unit

Event Timeline

imp created this revision.Mar 22 2018, 5:36 AM
Harbormaster completed remote builds in B15709: Diff 40585.Mar 22 2018, 5:36 AM
imp updated this revision to Diff 40586.Mar 22 2018, 5:46 AM

Spell sc right <doh>!

Harbormaster completed remote builds in B15710: Diff 40586.Mar 22 2018, 5:46 AM
hyun_caffeinated.codes added a subscriber: hyun_caffeinated.codes.Mar 26 2018, 11:53 PM

I have tried this diff on r331284 and it still panic when I plug my Transcend microSD reader in. The stack backtrace is exactly same with what I've supplied in the mailing list.

imp accepted this revision.Jul 10 2021, 3:57 PM
This revision is now accepted and ready to land.Jul 10 2021, 3:57 PM
Herald added a reviewer: cam. · View Herald TranscriptJul 10 2021, 3:57 PM
imp closed this revision.Jul 10 2021, 3:57 PM

landed as 6a6c0d584479f / r331435

Revision Contents
Changeset List

PathSize
sys/
cam/
scsi/
11 lines

Diff 40586

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sys/cam/scsi/scsi_da.c

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