rename thread_info to stack

[powerpc.git] / fs / binfmt_misc.c

diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 1713c48..72d0b41 100644 (file)
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -311,7 +311,7 @@ static Node *create_entry(const char __user *buffer, size_t count)
 
        err = -ENOMEM;
        memsize = sizeof(Node) + count + 8;
-       e = (Node *) kmalloc(memsize, GFP_USER);
+       e = kmalloc(memsize, GFP_USER);
        if (!e)
                goto out;
 
@@ -542,7 +542,7 @@ static void kill_node(Node *e)
 static ssize_t
 bm_entry_read(struct file * file, char __user * buf, size_t nbytes, loff_t *ppos)
 {
-       Node *e = file->f_dentry->d_inode->i_private;
+       Node *e = file->f_path.dentry->d_inode->i_private;
        loff_t pos = *ppos;
        ssize_t res;
        char *page;
@@ -576,7 +576,7 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer,
                                size_t count, loff_t *ppos)
 {
        struct dentry *root;
-       Node *e = file->f_dentry->d_inode->i_private;
+       Node *e = file->f_path.dentry->d_inode->i_private;
        int res = parse_command(buffer, count);
 
        switch (res) {
@@ -584,7 +584,7 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer,
                        break;
                case 2: set_bit(Enabled, &e->flags);
                        break;
-               case 3: root = dget(file->f_vfsmnt->mnt_sb->s_root);
+               case 3: root = dget(file->f_path.mnt->mnt_sb->s_root);
                        mutex_lock(&root->d_inode->i_mutex);
 
                        kill_node(e);
@@ -610,7 +610,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
        Node *e;
        struct inode *inode;
        struct dentry *root, *dentry;
-       struct super_block *sb = file->f_vfsmnt->mnt_sb;
+       struct super_block *sb = file->f_path.mnt->mnt_sb;
        int err = 0;
 
        e = create_entry(buffer, count);
@@ -675,19 +675,8 @@ static ssize_t
 bm_status_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
 {
        char *s = enabled ? "enabled" : "disabled";
-       int len = strlen(s);
-       loff_t pos = *ppos;
 
-       if (pos < 0)
-               return -EINVAL;
-       if (pos >= len)
-               return 0;
-       if (len < pos + nbytes)
-               nbytes = len - pos;
-       if (copy_to_user(buf, s + pos, nbytes))
-               return -EFAULT;
-       *ppos = pos + nbytes;
-       return nbytes;
+       return simple_read_from_buffer(buf, nbytes, ppos, s, strlen(s));
 }
 
 static ssize_t bm_status_write(struct file * file, const char __user * buffer,
@@ -699,7 +688,7 @@ static ssize_t bm_status_write(struct file * file, const char __user * buffer,
        switch (res) {
                case 1: enabled = 0; break;
                case 2: enabled = 1; break;
-               case 3: root = dget(file->f_vfsmnt->mnt_sb->s_root);
+               case 3: root = dget(file->f_path.mnt->mnt_sb->s_root);
                        mutex_lock(&root->d_inode->i_mutex);
 
                        while (!list_empty(&entries))
@@ -719,7 +708,7 @@ static const struct file_operations bm_status_operations = {
 
 /* Superblock handling */
 
-static struct super_operations s_ops = {
+static const struct super_operations s_ops = {
        .statfs         = simple_statfs,
        .clear_inode    = bm_clear_inode,
 };
@@ -727,8 +716,8 @@ static struct super_operations s_ops = {
 static int bm_fill_super(struct super_block * sb, void * data, int silent)
 {
        static struct tree_descr bm_files[] = {
-               [1] = {"status", &bm_status_operations, S_IWUSR|S_IRUGO},
-               [2] = {"register", &bm_register_operations, S_IWUSR},
+               [2] = {"status", &bm_status_operations, S_IWUSR|S_IRUGO},
+               [3] = {"register", &bm_register_operations, S_IWUSR},
                /* last one */ {""}
        };
        int err = simple_fill_super(sb, 0x42494e4d, bm_files);