X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fbinfmt_misc.c;h=1713c48fef5494e5e8ef361a83b5795ecaae4ce9;hb=832504933757ba7913bf64cd574326e014215b41;hp=2568eb41cb3a248fece5a8b498924a3dc6defe43;hpb=2ecc26b87a2b3e8650d3c7fe3fc85a8c73d5560d;p=linux-2.6-omap-h63xx.git

diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 2568eb41cb3..1713c48fef5 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -55,6 +55,7 @@ typedef struct {
 } Node;
 
 static DEFINE_RWLOCK(entries_lock);
+static struct file_system_type bm_fs_type;
 static struct vfsmount *bm_mnt;
 static int entry_count;
 
@@ -203,7 +204,6 @@ static int load_misc_binary(struct linux_binprm *bprm, struct pt_regs *regs)
 		goto _error;
 
 	if (files) {
-		steal_locks(files);
 		put_files_struct(files);
 		files = NULL;
 	}
@@ -215,10 +215,8 @@ _error:
 	bprm->interp_flags = 0;
 	bprm->interp_data = 0;
 _unshare:
-	if (files) {
-		put_files_struct(current->files);
-		current->files = files;
-	}
+	if (files)
+		reset_files_struct(current, files);
 	goto _ret;
 }
 
@@ -264,7 +262,7 @@ static int unquote(char *from)
 	return p - from;
 }
 
-static inline char * check_special_flags (char * sfs, Node * e)
+static char * check_special_flags (char * sfs, Node * e)
 {
 	char * p = sfs;
 	int cont = 1;
@@ -507,7 +505,6 @@ static struct inode *bm_get_inode(struct super_block *sb, int mode)
 		inode->i_mode = mode;
 		inode->i_uid = 0;
 		inode->i_gid = 0;
-		inode->i_blksize = PAGE_CACHE_SIZE;
 		inode->i_blocks = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime =
 			current_fs_time(inode->i_sb);
@@ -517,7 +514,7 @@ static struct inode *bm_get_inode(struct super_block *sb, int mode)
 
 static void bm_clear_inode(struct inode *inode)
 {
-	kfree(inode->u.generic_ip);
+	kfree(inode->i_private);
 }
 
 static void kill_node(Node *e)
@@ -545,7 +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->u.generic_ip;
+	Node *e = file->f_dentry->d_inode->i_private;
 	loff_t pos = *ppos;
 	ssize_t res;
 	char *page;
@@ -579,7 +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->u.generic_ip;
+	Node *e = file->f_dentry->d_inode->i_private;
 	int res = parse_command(buffer, count);
 
 	switch (res) {
@@ -588,11 +585,11 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer,
 		case 2: set_bit(Enabled, &e->flags);
 			break;
 		case 3: root = dget(file->f_vfsmnt->mnt_sb->s_root);
-			down(&root->d_inode->i_sem);
+			mutex_lock(&root->d_inode->i_mutex);
 
 			kill_node(e);
 
-			up(&root->d_inode->i_sem);
+			mutex_unlock(&root->d_inode->i_mutex);
 			dput(root);
 			break;
 		default: return res;
@@ -600,7 +597,7 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer,
 	return count;
 }
 
-static struct file_operations bm_entry_operations = {
+static const struct file_operations bm_entry_operations = {
 	.read		= bm_entry_read,
 	.write		= bm_entry_write,
 };
@@ -622,7 +619,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
 		return PTR_ERR(e);
 
 	root = dget(sb->s_root);
-	down(&root->d_inode->i_sem);
+	mutex_lock(&root->d_inode->i_mutex);
 	dentry = lookup_one_len(e->name, root, strlen(e->name));
 	err = PTR_ERR(dentry);
 	if (IS_ERR(dentry))
@@ -638,7 +635,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
 	if (!inode)
 		goto out2;
 
-	err = simple_pin_fs("binfmt_misc", &bm_mnt, &entry_count);
+	err = simple_pin_fs(&bm_fs_type, &bm_mnt, &entry_count);
 	if (err) {
 		iput(inode);
 		inode = NULL;
@@ -646,7 +643,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
 	}
 
 	e->dentry = dget(dentry);
-	inode->u.generic_ip = e;
+	inode->i_private = e;
 	inode->i_fop = &bm_entry_operations;
 
 	d_instantiate(dentry, inode);
@@ -658,7 +655,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
 out2:
 	dput(dentry);
 out:
-	up(&root->d_inode->i_sem);
+	mutex_unlock(&root->d_inode->i_mutex);
 	dput(root);
 
 	if (err) {
@@ -668,7 +665,7 @@ out:
 	return count;
 }
 
-static struct file_operations bm_register_operations = {
+static const struct file_operations bm_register_operations = {
 	.write		= bm_register_write,
 };
 
@@ -703,19 +700,19 @@ static ssize_t bm_status_write(struct file * file, const char __user * buffer,
 		case 1: enabled = 0; break;
 		case 2: enabled = 1; break;
 		case 3: root = dget(file->f_vfsmnt->mnt_sb->s_root);
-			down(&root->d_inode->i_sem);
+			mutex_lock(&root->d_inode->i_mutex);
 
 			while (!list_empty(&entries))
 				kill_node(list_entry(entries.next, Node, list));
 
-			up(&root->d_inode->i_sem);
+			mutex_unlock(&root->d_inode->i_mutex);
 			dput(root);
 		default: return res;
 	}
 	return count;
 }
 
-static struct file_operations bm_status_operations = {
+static const struct file_operations bm_status_operations = {
 	.read		= bm_status_read,
 	.write		= bm_status_write,
 };
@@ -740,10 +737,10 @@ static int bm_fill_super(struct super_block * sb, void * data, int silent)
 	return err;
 }
 
-static struct super_block *bm_get_sb(struct file_system_type *fs_type,
-	int flags, const char *dev_name, void *data)
+static int bm_get_sb(struct file_system_type *fs_type,
+	int flags, const char *dev_name, void *data, struct vfsmount *mnt)
 {
-	return get_sb_single(fs_type, flags, data, bm_fill_super);
+	return get_sb_single(fs_type, flags, data, bm_fill_super, mnt);
 }
 
 static struct linux_binfmt misc_format = {