Nucleus
Barry Mount system call 64f99b6 (3 years, 3 months ago)
/*
* This file handles mounting various file systems into the VFS. This is the
* mount system call.
*/
#include <errno.h>
#include <nucleus/task.h>
#include <nucleus/vfs.h>
#include "namespace.h"
int mount_fstype(const char *name, int flags, const char *src, void *data,
Inode **root);
/* Mount a file system */
int
mount(const char *src, const char *target, const char *type,
unsigned long flags, void *data)
{
Inode *mnt = NULL;
int res = mount_fstype(type, flags, src, data, &mnt);
if (res < 0)
return res;
if (!mnt)
return -ENODEV;
/* Mount as VFS root */
if (!target && !current->fs->root) {
current->fs->root = get(mnt);
current->fs->cwd = get(mnt);
return 0;
}
return 0;
}