X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/ab281459f86543c6b8c11ecccc3e743c3d69577e..63ba0036aaf8ec77590db47d936942e78ff3ed6f:/lunaix-os/kernel/fs/vfs.c?ds=sidebyside

diff --git a/lunaix-os/kernel/fs/vfs.c b/lunaix-os/kernel/fs/vfs.c
index df374cd..d0fbb1c 100644
--- 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;
-    // 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);
+    // 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];
 }