[PATCH] autofs4: fix another race between mount and expire

[linux-2.6-omap-h63xx.git] / fs / autofs4 / autofs_i.h

diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index d6603d02304ceed0d0a1c0e6c80e497bcaf58394..d85f42fa92060003b7000f3e686a5070e3da908e 100644 (file)
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -40,8 +40,6 @@
 #define DPRINTK(fmt,args...) do {} while(0)
 #endif
 
-#define AUTOFS_SUPER_MAGIC 0x0187
-
 /* Unified info structure.  This is pointed to by both the dentry and
    inode structures.  Each file in the filesystem has an instance of this
    structure.  It holds a reference to the dentry, so dentries are never
@@ -54,6 +52,8 @@ struct autofs_info {
 
        int             flags;
 
+       struct list_head rehash;
+
        struct autofs_sb_info *sbi;
        unsigned long last_used;
        atomic_t count;
@@ -96,7 +96,6 @@ struct autofs_wait_queue {
 
 struct autofs_sb_info {
        u32 magic;
-       struct dentry *root;
        int pipefd;
        struct file *pipe;
        pid_t oz_pgrp;
@@ -113,6 +112,8 @@ struct autofs_sb_info {
        struct mutex wq_mutex;
        spinlock_t fs_lock;
        struct autofs_wait_queue *queues; /* Wait queue pointer */
+       spinlock_t rehash_lock;
+       struct list_head rehash_list;
 };
 
 static inline struct autofs_sb_info *autofs4_sbi(struct super_block *sb)
@@ -153,7 +154,8 @@ static inline int autofs4_ispending(struct dentry *dentry)
 
 static inline void autofs4_copy_atime(struct file *src, struct file *dst)
 {
-       dst->f_dentry->d_inode->i_atime = src->f_dentry->d_inode->i_atime;
+       dst->f_path.dentry->d_inode->i_atime =
+               src->f_path.dentry->d_inode->i_atime;
        return;
 }
 
@@ -170,11 +172,11 @@ int autofs4_expire_multi(struct super_block *, struct vfsmount *,
 
 /* Operations structures */
 
-extern struct inode_operations autofs4_symlink_inode_operations;
-extern struct inode_operations autofs4_dir_inode_operations;
-extern struct inode_operations autofs4_root_inode_operations;
-extern struct inode_operations autofs4_indirect_root_inode_operations;
-extern struct inode_operations autofs4_direct_root_inode_operations;
+extern const struct inode_operations autofs4_symlink_inode_operations;
+extern const struct inode_operations autofs4_dir_inode_operations;
+extern const struct inode_operations autofs4_root_inode_operations;
+extern const struct inode_operations autofs4_indirect_root_inode_operations;
+extern const struct inode_operations autofs4_direct_root_inode_operations;
 extern const struct file_operations autofs4_dir_operations;
 extern const struct file_operations autofs4_root_operations;
 
@@ -231,4 +233,4 @@ out:
 }
 
 void autofs4_dentry_release(struct dentry *);
-
+extern void autofs4_kill_sb(struct super_block *);