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

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rS352425: vfs: manage mnt_lockref with atomics

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Tested by pho

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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

This is not yet updated to pcpu counters, right ?

sys/kern/vfs_subr.c
650	!= 0

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

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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sys/

kern/

vfs_subr.c

31 lines

Diff 62109

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