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Differential D21574

vfs: manage mnt_lockref with atomics
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Authored by mjg on Sep 9 2019, 12:05 PM.
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kib
jeff
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rS352425: vfs: manage mnt_lockref with atomics
Summary

Tested by pho

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rS FreeBSD src repository - subversion
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Event Timeline

mjg created this revision.Sep 9 2019, 12:05 PM
Herald added a subscriber: imp. · View Herald TranscriptSep 9 2019, 12:05 PM
Harbormaster completed remote builds in B26354: Diff 61834.Sep 9 2019, 12:05 PM
mjg added a parent revision: D21425: vfs: manage mnt_ref with atomics.Sep 9 2019, 12:22 PM
mjg added a child revision: D21637: vfs: convert struct mount counters to per-cpu.Sep 13 2019, 4:32 PM
kib added a comment.Sep 14 2019, 8:58 PM

This is not yet updated to pcpu counters, right ?

sys/kern/vfs_subr.c
652 ↗(On Diff #61834)

!= 0

mjg added a comment.Sep 14 2019, 9:04 PM

No, I wanted to have the approach sorted out before I post rebased patch.

mjg added inline comments.Sep 14 2019, 9:05 PM
sys/kern/vfs_subr.c
652 ↗(On Diff #61834)

This func already does not do it so I did not change it.

mjg updated this revision to Diff 62109.Sep 14 2019, 9:07 PM
  • rebase on top of the custom barrier
  • release the mountlist lock after leaving the section
kib accepted this revision.Sep 14 2019, 9:29 PM
This revision is now accepted and ready to land.Sep 14 2019, 9:29 PM
jeff accepted this revision.Sep 16 2019, 8:50 PM
Closed by commit rS352425: vfs: manage mnt_lockref with atomics (authored by mjg). · Explain WhySep 16 2019, 9:32 PM
This revision was automatically updated to reflect the committed changes.
mjg added a commit: rS352425: vfs: manage mnt_lockref with atomics.

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head/
sys/
kern/
31 lines

Diff 62183

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head/sys/kern/vfs_subr.c

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