Commit cfa57c11 authored by Al Viro's avatar Al Viro

debugfs: fold debugfs_create_by_name() into the only caller

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c3b1a350
......@@ -293,13 +293,19 @@ static struct file_system_type debug_fs_type = {
.kill_sb = kill_litter_super,
};
static int debugfs_create_by_name(const char *name, umode_t mode,
struct dentry *parent,
struct dentry **dentry,
void *data,
const struct file_operations *fops)
struct dentry *__create_file(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops)
{
int error = 0;
struct dentry *dentry = NULL;
int error;
pr_debug("debugfs: creating file '%s'\n",name);
error = simple_pin_fs(&debug_fs_type, &debugfs_mount,
&debugfs_mount_count);
if (error)
goto exit;
/* If the parent is not specified, we create it in the root.
* We need the root dentry to do this, which is in the super
......@@ -309,48 +315,29 @@ static int debugfs_create_by_name(const char *name, umode_t mode,
if (!parent)
parent = debugfs_mount->mnt_root;
*dentry = NULL;
dentry = NULL;
mutex_lock(&parent->d_inode->i_mutex);
*dentry = lookup_one_len(name, parent, strlen(name));
if (!IS_ERR(*dentry)) {
dentry = lookup_one_len(name, parent, strlen(name));
if (!IS_ERR(dentry)) {
switch (mode & S_IFMT) {
case S_IFDIR:
error = debugfs_mkdir(parent->d_inode, *dentry, mode,
error = debugfs_mkdir(parent->d_inode, dentry, mode,
data, fops);
break;
case S_IFLNK:
error = debugfs_link(parent->d_inode, *dentry, mode,
error = debugfs_link(parent->d_inode, dentry, mode,
data, fops);
break;
default:
error = debugfs_create(parent->d_inode, *dentry, mode,
error = debugfs_create(parent->d_inode, dentry, mode,
data, fops);
break;
}
dput(*dentry);
dput(dentry);
} else
error = PTR_ERR(*dentry);
error = PTR_ERR(dentry);
mutex_unlock(&parent->d_inode->i_mutex);
return error;
}
struct dentry *__create_file(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops)
{
struct dentry *dentry = NULL;
int error;
pr_debug("debugfs: creating file '%s'\n",name);
error = simple_pin_fs(&debug_fs_type, &debugfs_mount,
&debugfs_mount_count);
if (error)
goto exit;
error = debugfs_create_by_name(name, mode, parent, &dentry,
data, fops);
if (error) {
dentry = NULL;
simple_release_fs(&debugfs_mount, &debugfs_mount_count);
......
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