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vfs_hash_rehash(): require the vnode to be exclusively locked

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(cherry picked from commit f19063ab02)
This commit is contained in:
Konstantin Belousov 2021-08-18 14:14:42 +03:00
parent ae32239528
commit 6103f34e54
1 changed files with 1 additions and 0 deletions
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1
sys/kern/vfs_hash.c
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@ -196,6 +196,7 @@ vfs_hash_insert(struct vnode *vp, u_int hash, int flags, struct thread *td,
void
vfs_hash_rehash(struct vnode *vp, u_int hash)
{
ASSERT_VOP_ELOCKED(vp, "rehash requires excl lock");
rw_wlock(&vfs_hash_lock);
LIST_REMOVE(vp, v_hashlist);