commit 4d22d8eea66a458433415da5cfe2e4b3b50f63a9
Author: Matthew Dillon <dil...@apollo.backplane.com>
Date: Wed Mar 4 09:10:37 2020 -0800
tmpfs - Fix minor deadlock, refactor tn_links
* Fix a minor deadlock. tmpfs_alloc_vp() can rarely race a vnode
and leave a dangling lock, causing a later umount to deadlock.
* Refactor tn_links to use atomic ops, mainly to clean-up an
almost impossible race that can happen at umount time.
Summary of changes:
sys/vfs/tmpfs/tmpfs.h | 2 +-
sys/vfs/tmpfs/tmpfs_subr.c | 30 ++++++++++++++----------------
sys/vfs/tmpfs/tmpfs_vfsops.c | 17 +++++++++--------
3 files changed, 24 insertions(+), 25 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/4d22d8eea66a458433415da5cfe2e4b3b50f63a9
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DragonFly BSD source repository
