autofs4: cleanup autofs mount type usage

[linux-2.6-omap-h63xx.git] / fs / autofs4 / inode.c

diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 2fdcf5e1d236a7d309283c009ed67ecda6796bcb..7303099fcc1ae6e0fdc391838c5084e4e9e7cf53 100644 (file)
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -24,8 +24,10 @@
 
 static void ino_lnkfree(struct autofs_info *ino)
 {
-       kfree(ino->u.symlink);
-       ino->u.symlink = NULL;
+       if (ino->u.symlink) {
+               kfree(ino->u.symlink);
+               ino->u.symlink = NULL;
+       }
 }
 
 struct autofs_info *autofs4_init_ino(struct autofs_info *ino,
@@ -41,16 +43,18 @@ struct autofs_info *autofs4_init_ino(struct autofs_info *ino,
        if (ino == NULL)
                return NULL;
 
-       ino->flags = 0;
-       ino->mode = mode;
-       ino->inode = NULL;
-       ino->dentry = NULL;
-       ino->size = 0;
-
-       INIT_LIST_HEAD(&ino->rehash);
+       if (!reinit) {
+               ino->flags = 0;
+               ino->inode = NULL;
+               ino->dentry = NULL;
+               ino->size = 0;
+               INIT_LIST_HEAD(&ino->active);
+               INIT_LIST_HEAD(&ino->expiring);
+               atomic_set(&ino->count, 0);
+       }
 
+       ino->mode = mode;
        ino->last_used = jiffies;
-       atomic_set(&ino->count, 0);
 
        ino->sbi = sbi;
 
@@ -159,8 +163,8 @@ void autofs4_kill_sb(struct super_block *sb)
        if (!sbi)
                goto out_kill_sb;
 
-       if (!sbi->catatonic)
-               autofs4_catatonic_mode(sbi); /* Free wait queues, close pipe */
+       /* Free wait queues, close pipe */
+       autofs4_catatonic_mode(sbi);
 
        /* Clean up and release dangling references */
        autofs4_force_release(sbi);
@@ -209,7 +213,7 @@ static const struct super_operations autofs4_sops = {
 enum {Opt_err, Opt_fd, Opt_uid, Opt_gid, Opt_pgrp, Opt_minproto, Opt_maxproto,
        Opt_indirect, Opt_direct, Opt_offset};
 
-static match_table_t tokens = {
+static const match_table_t tokens = {
        {Opt_fd, "fd=%u"},
        {Opt_uid, "uid=%u"},
        {Opt_gid, "gid=%u"},
@@ -284,7 +288,7 @@ static int parse_options(char *options, int *pipefd, uid_t *uid, gid_t *gid,
                        *type = AUTOFS_TYPE_DIRECT;
                        break;
                case Opt_offset:
-                       *type = AUTOFS_TYPE_DIRECT | AUTOFS_TYPE_OFFSET;
+                       *type = AUTOFS_TYPE_OFFSET;
                        break;
                default:
                        return 1;
@@ -332,14 +336,15 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
        sbi->sb = s;
        sbi->version = 0;
        sbi->sub_version = 0;
-       sbi->type = 0;
+       sbi->type = AUTOFS_TYPE_INDIRECT;
        sbi->min_proto = 0;
        sbi->max_proto = 0;
        mutex_init(&sbi->wq_mutex);
        spin_lock_init(&sbi->fs_lock);
        sbi->queues = NULL;
-       spin_lock_init(&sbi->rehash_lock);
-       INIT_LIST_HEAD(&sbi->rehash_list);
+       spin_lock_init(&sbi->lookup_lock);
+       INIT_LIST_HEAD(&sbi->active_list);
+       INIT_LIST_HEAD(&sbi->expiring_list);
        s->s_blocksize = 1024;
        s->s_blocksize_bits = 10;
        s->s_magic = AUTOFS_SUPER_MAGIC;
@@ -373,7 +378,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
        }
 
        root_inode->i_fop = &autofs4_root_operations;
-       root_inode->i_op = sbi->type & AUTOFS_TYPE_DIRECT ?
+       root_inode->i_op = sbi->type & AUTOFS_TYPE_TRIGGER ?
                        &autofs4_direct_root_inode_operations :
                        &autofs4_indirect_root_inode_operations;