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fold lock_for_kill() into shrink_kill()

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Both callers have exact same shape.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2026-04-11 03:06:39 -04:00
parent cb2ae3c992
commit 500590a897
1 changed files with 7 additions and 16 deletions
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23
fs/dcache.c
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@ -1211,14 +1211,15 @@ EXPORT_SYMBOL(d_prune_aliases);
static inline void shrink_kill(struct dentry *victim)
{
do {
while (lock_for_kill(victim)) {
rcu_read_unlock();
victim = __dentry_kill(victim);
if (!victim)
return;
rcu_read_lock();
} while (victim && lock_for_kill(victim));
}
spin_unlock(&victim->d_lock);
rcu_read_unlock();
if (victim)
spin_unlock(&victim->d_lock);
}
void shrink_dentry_list(struct list_head *list)
@ -1235,12 +1236,7 @@ void shrink_dentry_list(struct list_head *list)
continue;
}
rcu_read_lock();
if (!lock_for_kill(dentry)) {
spin_unlock(&dentry->d_lock);
rcu_read_unlock();
} else {
shrink_kill(dentry);
}
shrink_kill(dentry);
}
}
EXPORT_SYMBOL(shrink_dentry_list);
@ -1688,12 +1684,7 @@ static void shrink_dcache_tree(struct dentry *parent, bool for_umount)
wait_for_completion(&wait.completion);
continue;
}
if (!lock_for_kill(v)) {
spin_unlock(&v->d_lock);
rcu_read_unlock();
} else {
shrink_kill(v);
}
shrink_kill(v);
}
if (!list_empty(&data.dispose))
shrink_dentry_list(&data.dispose);