nfsd: minor write_pool_threads exit cleanup

[safe/jmp/linux-2.6] / fs / ocfs2 / dcache.h

diff --git a/fs/ocfs2/dcache.h b/fs/ocfs2/dcache.h
index 9007277..faa12e7 100644 (file)
--- a/fs/ocfs2/dcache.h
+++ b/fs/ocfs2/dcache.h
@@ -26,6 +26,40 @@
 #ifndef OCFS2_DCACHE_H
 #define OCFS2_DCACHE_H
 
-extern struct dentry_operations ocfs2_dentry_ops;
+extern const struct dentry_operations ocfs2_dentry_ops;
+
+struct ocfs2_dentry_lock {
+       /* Use count of dentry lock */
+       unsigned int            dl_count;
+       union {
+               /* Linked list of dentry locks to release */
+               struct ocfs2_dentry_lock *dl_next;
+               u64                     dl_parent_blkno;
+       };
+
+       /*
+        * The ocfs2_dentry_lock keeps an inode reference until
+        * dl_lockres has been destroyed. This is usually done in
+        * ->d_iput() anyway, so there should be minimal impact.
+        */
+       struct inode            *dl_inode;
+       struct ocfs2_lock_res   dl_lockres;
+};
+
+int ocfs2_dentry_attach_lock(struct dentry *dentry, struct inode *inode,
+                            u64 parent_blkno);
+
+void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
+                          struct ocfs2_dentry_lock *dl);
+
+void ocfs2_drop_dl_inodes(struct work_struct *work);
+
+struct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno,
+                                     int skip_unhashed);
+
+void ocfs2_dentry_move(struct dentry *dentry, struct dentry *target,
+                      struct inode *old_dir, struct inode *new_dir);
+
+extern spinlock_t dentry_attach_lock;
 
 #endif /* OCFS2_DCACHE_H */