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-rw-r--r--fs/dcache.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index a5540d491954..dab7db10d685 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -246,6 +246,15 @@ static void __d_free(struct rcu_head *head)
246 kmem_cache_free(dentry_cache, dentry); 246 kmem_cache_free(dentry_cache, dentry);
247} 247}
248 248
249static void dentry_free(struct dentry *dentry)
250{
251 /* if dentry was never visible to RCU, immediate free is OK */
252 if (!(dentry->d_flags & DCACHE_RCUACCESS))
253 __d_free(&dentry->d_u.d_rcu);
254 else
255 call_rcu(&dentry->d_u.d_rcu, __d_free);
256}
257
249/** 258/**
250 * dentry_rcuwalk_barrier - invalidate in-progress rcu-walk lookups 259 * dentry_rcuwalk_barrier - invalidate in-progress rcu-walk lookups
251 * @dentry: the target dentry 260 * @dentry: the target dentry
@@ -513,11 +522,7 @@ relock:
513 if (dentry->d_op && dentry->d_op->d_release) 522 if (dentry->d_op && dentry->d_op->d_release)
514 dentry->d_op->d_release(dentry); 523 dentry->d_op->d_release(dentry);
515 524
516 /* if dentry was never visible to RCU, immediate free is OK */ 525 dentry_free(dentry);
517 if (!(dentry->d_flags & DCACHE_RCUACCESS))
518 __d_free(&dentry->d_u.d_rcu);
519 else
520 call_rcu(&dentry->d_u.d_rcu, __d_free);
521 return parent; 526 return parent;
522} 527}
523 528