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Differential D53356

fusefs: fix page fault triggered by async notification when unmounted
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Authored by asomers on Sun, Oct 26, 12:47 AM.
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Reviewers
emaste
Commits
rG3b8ac7895d7b: fusefs: fix page fault triggered by async notification when unmounted
rGc3f3b96725ef: fusefs: fix page fault triggered by async notification when unmounted
rG25e368c4dad3: fusefs: fix page fault triggered by async notification when unmounted
rG5d42c8813976: fusefs: fix page fault triggered by async notification when unmounted
Summary

A FUSE daemon can send asynchronous notification to the kernel in order
to, for example, invalidate an inode's cache. Fix a page fault that can
happen if the file system isn't yet mounted, or is already unmounted,
when that notification arrives.

PR: 290519
MFC after: 1 week

Diff Detail

Repository
rG FreeBSD src repository
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Lint Not Applicable
Unit
Tests Not Applicable

Revision Contents
Changeset List

PathSize
sys/
fs/
fuse/
7 lines
tests/
sys/
fs/
fusefs/
4 lines
4 lines
56 lines

Diff 165078

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sys/fs/fuse/fuse_device.c

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tests/sys/fs/fusefs/mockfs.hh

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tests/sys/fs/fusefs/mockfs.cc

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tests/sys/fs/fusefs/notify.cc

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