vfs: get rid of insane dentry hashing rules

[pandora-kernel.git] / include / linux / dcache.h

diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index f958c19..19d90a5 100644 (file)
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -168,7 +168,7 @@ struct dentry_operations {
        void (*d_iput)(struct dentry *, struct inode *);
        char *(*d_dname)(struct dentry *, char *, int);
        struct vfsmount *(*d_automount)(struct path *);
-       int (*d_manage)(struct dentry *, bool, bool);
+       int (*d_manage)(struct dentry *, bool);
 } ____cacheline_aligned;
 
 /*
@@ -197,7 +197,7 @@ struct dentry_operations {
       * typically using d_splice_alias. */
 
 #define DCACHE_REFERENCED      0x0008  /* Recently used, don't discard. */
-#define DCACHE_UNHASHED                0x0010  
+#define DCACHE_RCUACCESS       0x0010  /* Entry has ever been RCU-visible */
 #define DCACHE_INOTIFY_PARENT_WATCHED 0x0020
      /* Parent inode is watched by inotify */
 
@@ -384,7 +384,7 @@ extern struct dentry *dget_parent(struct dentry *dentry);
  
 static inline int d_unhashed(struct dentry *dentry)
 {
-       return (dentry->d_flags & DCACHE_UNHASHED);
+       return hlist_bl_unhashed(&dentry->d_hash);
 }
 
 static inline int d_unlinked(struct dentry *dentry)
@@ -416,7 +416,6 @@ static inline bool d_mountpoint(struct dentry *dentry)
        return dentry->d_flags & DCACHE_MOUNTED;
 }
 
-extern struct vfsmount *lookup_mnt(struct path *);
 extern struct dentry *lookup_create(struct nameidata *nd, int is_dir);
 
 extern int sysctl_vfs_cache_pressure;