Merge branch 'iso-9660' into block-io

[lunaix-os.git] / lunaix-os / kernel / fs / vfs.c

diff --git a/lunaix-os/kernel/fs/vfs.c b/lunaix-os/kernel/fs/vfs.c
index df374cdf41ad41fcf3cd15592a8419c1f22c4c3d..d0fbb1cbb6ded93406770d38894873da4faf4f49 100644 (file)
--- a/lunaix-os/kernel/fs/vfs.c
+++ b/lunaix-os/kernel/fs/vfs.c
@@ -112,10 +112,10 @@ inline struct hbucket*
 __dcache_hash(struct v_dnode* parent, uint32_t* hash)
 {
     uint32_t _hash = *hash;
 __dcache_hash(struct v_dnode* parent, uint32_t* hash)
 {
     uint32_t _hash = *hash;

-    // 与parent的指针值做加法，来减小碰撞的可能性。
-    _hash += (uint32_t)parent;

     // 确保低位更加随机
     _hash = _hash ^ (_hash >> VFS_HASHBITS);
     // 确保低位更加随机
     _hash = _hash ^ (_hash >> VFS_HASHBITS);

+    // 与parent的指针值做加法，来减小碰撞的可能性。
+    _hash += (uint32_t)parent;

     *hash = _hash;
     return &dnode_cache[_hash & VFS_HASH_MASK];
 }
     *hash = _hash;
     return &dnode_cache[_hash & VFS_HASH_MASK];
 }