ffs: fix newly introduced LOR between mntfs vnode lock and topology lock
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Authored by kib on Nov 16 2021, 5:35 PM.

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rGc34a5148e8f2: ffs: fix newly introduced LOR between mntfs vnode lock and topology lock

Summary

The mntfs vnode lock should be before topology, as established in
ffs_mountfs().  Extend the locked region in ffs_unmount().

Reported by:    markj

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rG FreeBSD src repository

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kib created this revision.Nov 16 2021, 5:35 PM

Herald added a subscriber: imp. · View Herald TranscriptNov 16 2021, 5:35 PM

kib requested review of this revision.Nov 16 2021, 5:35 PM

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This revision is now accepted and ready to land.Nov 16 2021, 5:38 PM

Closed by commit rGc34a5148e8f2: ffs: fix newly introduced LOR between mntfs vnode lock and topology lock (authored by kib). · Explain WhyNov 16 2021, 6:02 PM

This revision was automatically updated to reflect the committed changes.

kib added a commit: rGc34a5148e8f2: ffs: fix newly introduced LOR between mntfs vnode lock and topology lock.

Revision Contents
Changeset List

Path

Size

sys/

geom/

geom_vfs.c

2 lines

ufs/

ffs/

ffs_vfsops.c

2 lines

Diff 98580

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sys/geom/geom_vfs.c