sys_fchdir(): Use vn_cross_mounts()
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Authored by olce on Jul 3 2023, 12:53 PM.

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emaste

imp

Details

Reviewers

jah
mjg
kib
markj

Summary

This is an impact of the protocol change to act on the mount point(s) covering
a given vnode and in particular crossing them.

This commit is part of a series whose goal is to remove the VV_CROSSLOCK vnode
flag and logic and fix a timing-dependent deadlock between lookup and unmount.

Diff Detail

Repository

rG FreeBSD src repository

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Unit

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Build Status

Buildable 52404
Build 49295: arc lint + arc unit

Event Timeline

olce created this revision.Jul 3 2023, 12:53 PM

Herald added a subscriber: imp. · View Herald TranscriptJul 3 2023, 12:53 PM

olce requested review of this revision.Jul 3 2023, 12:53 PM

Harbormaster completed remote builds in B52404: Diff 124124.Jul 3 2023, 12:53 PM

olce added a parent revision: D40853: Bump __FreeBSD_version after mount crossing semantics change.Jul 3 2023, 1:03 PM

olce added a child revision: D40855: nfsrvd_readdirplus(): Use vn_busy_mountedhere().

emaste added a subscriber: emaste.Jul 17 2023, 4:11 PM

Revision Contents
Changeset List

Path

Size

sys/

kern/

vfs_syscalls.c

19 lines

Diff 124124

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sys_fchdir(): Use vn_cross_mounts()Needs ReviewPublicActions