struct dentry *hypfs_mkdir(struct dentry *parent, const char *name)
{
struct dentry *dentry;
dentry = hypfs_create_file(parent, name, NULL, S_IFDIR | DIR_MODE);
if (IS_ERR(dentry))
return dentry;
hypfs_add_dentry(dentry);
return dentry;
}
struct dentry *hypfs_mkdir(struct super_block *sb, struct dentry *parent,
const char *name)
{
struct dentry *dentry;
dentry = hypfs_create_file(sb, parent, name, NULL, S_IFDIR | DIR_MODE);
if (IS_ERR(dentry))
return dentry;
hypfs_add_dentry(dentry);
parent->d_inode->i_nlink++;
return dentry;
}
static struct dentry *hypfs_create_update_file(struct dentry *dir)
{
struct dentry *dentry;
dentry = hypfs_create_file(dir, "update", NULL,
S_IFREG | UPDATE_FILE_MODE);
/*
* We do not put the update file on the 'delete' list with
* hypfs_add_dentry(), since it should not be removed when the tree
* is updated.
*/
return dentry;
}
struct dentry *hypfs_create_str(struct super_block *sb, struct dentry *dir,
const char *name, char *string)
{
char *buffer;
struct dentry *dentry;
buffer = kmalloc(strlen(string) + 2, GFP_KERNEL);
if (!buffer)
return ERR_PTR(-ENOMEM);
sprintf(buffer, "%s\n", string);
dentry =
hypfs_create_file(sb, dir, name, buffer, S_IFREG | REG_FILE_MODE);
if (IS_ERR(dentry)) {
kfree(buffer);
return ERR_PTR(-ENOMEM);
}
hypfs_add_dentry(dentry);
return dentry;
}
struct dentry *hypfs_create_u64(struct super_block *sb, struct dentry *dir,
const char *name, __u64 value)
{
char *buffer;
char tmp[TMP_SIZE];
struct dentry *dentry;
snprintf(tmp, TMP_SIZE, "%llu\n", (unsigned long long int)value);
buffer = kstrdup(tmp, GFP_KERNEL);
if (!buffer)
return ERR_PTR(-ENOMEM);
dentry =
hypfs_create_file(sb, dir, name, buffer, S_IFREG | REG_FILE_MODE);
if (IS_ERR(dentry)) {
kfree(buffer);
return ERR_PTR(-ENOMEM);
}
hypfs_add_dentry(dentry);
return dentry;
}