[PATCH] autofs4: atomic var underflow

[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 bc1b0543d2b6f9139b7a068c36192c690048d99a..617fd7b37447a326623525b85d64de024b455141 100644 (file)
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -3,6 +3,7 @@
  * linux/fs/autofs/autofs_i.h
  *
  *   Copyright 1997-1998 Transmeta Corporation - All Rights Reserved
+ *   Copyright 2005-2006 Ian Kent <raven@themaw.net>
  *
  * This file is part of the Linux kernel and is made available under
  * the terms of the GNU General Public License, version 2, or at your
@@ -76,14 +77,24 @@ struct autofs_wait_queue {
        int hash;
        int len;
        char *name;
+       u32 dev;
+       u64 ino;
+       uid_t uid;
+       gid_t gid;
+       pid_t pid;
+       pid_t tgid;
        /* This is for status reporting upon return */
        int status;
-       atomic_t notified;
+       atomic_t notify;
        atomic_t wait_ctr;
 };
 
 #define AUTOFS_SBI_MAGIC 0x6d4a556d
 
+#define AUTOFS_TYPE_INDIRECT     0x0001
+#define AUTOFS_TYPE_DIRECT       0x0002
+#define AUTOFS_TYPE_OFFSET       0x0004
+
 struct autofs_sb_info {
        u32 magic;
        struct dentry *root;
@@ -96,6 +107,7 @@ struct autofs_sb_info {
        int min_proto;
        int max_proto;
        unsigned long exp_timeout;
+       unsigned int type;
        int reghost_enabled;
        int needs_reghost;
        struct super_block *sb;
@@ -162,6 +174,8 @@ int autofs4_expire_multi(struct super_block *, struct vfsmount *,
 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 struct file_operations autofs4_dir_operations;
 extern struct file_operations autofs4_root_operations;
 
@@ -172,13 +186,6 @@ struct autofs_info *autofs4_init_ino(struct autofs_info *, struct autofs_sb_info
 
 /* Queue management functions */
 
-enum autofs_notify
-{
-       NFY_NONE,
-       NFY_MOUNT,
-       NFY_EXPIRE
-};
-
 int autofs4_wait(struct autofs_sb_info *,struct dentry *, enum autofs_notify);
 int autofs4_wait_release(struct autofs_sb_info *,autofs_wqt_t,int);
 void autofs4_catatonic_mode(struct autofs_sb_info *);
@@ -196,6 +203,16 @@ static inline int autofs4_follow_mount(struct vfsmount **mnt, struct dentry **de
        return res;
 }
 
+static inline u32 autofs4_get_dev(struct autofs_sb_info *sbi)
+{
+       return new_encode_dev(sbi->sb->s_dev);
+}
+
+static inline u64 autofs4_get_ino(struct autofs_sb_info *sbi)
+{
+       return sbi->sb->s_root->d_inode->i_ino;
+}
+
 static inline int simple_positive(struct dentry *dentry)
 {
        return dentry->d_inode && !d_unhashed(dentry);